CN108658610A - A kind of casting material prefabricated brick and production method of dry coke quenching slope air course support portion - Google Patents
A kind of casting material prefabricated brick and production method of dry coke quenching slope air course support portion Download PDFInfo
- Publication number
- CN108658610A CN108658610A CN201710193490.5A CN201710193490A CN108658610A CN 108658610 A CN108658610 A CN 108658610A CN 201710193490 A CN201710193490 A CN 201710193490A CN 108658610 A CN108658610 A CN 108658610A
- Authority
- CN
- China
- Prior art keywords
- brick
- casting material
- material prefabricated
- prefabricated brick
- heat
- 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
- 239000011449 brick Substances 0.000 title claims abstract description 165
- 239000000463 material Substances 0.000 title claims abstract description 106
- 238000005266 casting Methods 0.000 title claims abstract description 88
- 239000000571 coke Substances 0.000 title claims abstract description 40
- 238000010791 quenching Methods 0.000 title claims abstract description 39
- 230000000171 quenching effect Effects 0.000 title claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 41
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 14
- 239000011159 matrix material Substances 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 8
- 239000000377 silicon dioxide Substances 0.000 claims description 7
- 150000004645 aluminates Chemical class 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 6
- 229910052594 sapphire Inorganic materials 0.000 claims description 6
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 6
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims description 5
- 229910052863 mullite Inorganic materials 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 230000002194 synthesizing effect Effects 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000012210 heat-resistant fiber Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 3
- 238000005485 electric heating Methods 0.000 claims description 3
- 239000003546 flue gas Substances 0.000 claims description 3
- 239000003345 natural gas Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 2
- 210000003205 muscle Anatomy 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
-
- 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
- C04B35/16—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 silicates other than clay
- C04B35/18—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 silicates other than clay rich in aluminium oxide
- C04B35/185—Mullite 3Al2O3-2SiO2
-
- 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
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
- C04B35/565—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on silicon carbide
-
- 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
- C04B35/71—Ceramic products containing macroscopic reinforcing agents
- C04B35/74—Ceramic products containing macroscopic reinforcing agents containing shaped metallic materials
- C04B35/76—Fibres, filaments, whiskers, platelets, or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/04—Casings; Linings; Walls; Roofs characterised by the form, e.g. shape of the bricks or blocks used
- F27D1/06—Composite bricks or blocks, e.g. panels, modules
- F27D1/08—Bricks or blocks with internal reinforcement or metal backing
-
- 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
- C04B2235/32—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
-
- 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
- C04B2235/32—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
- C04B2235/3222—Aluminates other than alumino-silicates, e.g. spinel (MgAl2O4)
-
- 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
-
- 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
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Ceramic Products (AREA)
Abstract
A kind of casting material prefabricated brick of dry coke quenching slope air course support portion, including heat-resisting reinforcing bar and " ten " font ditch tongue structure, it is characterised in that：The heat-resisting reinforcing bar：Heat-resisting reinforcing bar is set in casting material prefabricated brick, trapezoidal special form brick, " ten " the font ditch tongue structure are similar to outside casting material prefabricated brick：Casting material prefabricated brick is arranged " ten " font ditch tongue structure, and casting material prefabricated brick brick body is equipped with the upper and lower surface for making joint face, and upper and lower surface sets that there are four independent " ten " font ditch tongue structures, and Zhuan Gou, brick tongue must use same form.The casting material prefabricated brick and production method of the dry coke quenching slope air course support portion of the present invention have casting material prefabricated brick structure simple, easy to make, durable, solve the damaged frequent problem of coke dry quenching furnace bracket pillar brick, extend the service life of slope air course support portion, increase the coke dry quenching furnace production time, the advantages of raising dry coke quenching utilization rate, cost-effective and reduction maintenance engineering cost.
Description
Technical field
The present invention relates to a kind of refractory brick of industrial furnace, specifically, being a kind of pouring for dry coke quenching slope air course support portion
Material feeding preformed bricks and production method.
Background technology
In order to adapt to national environmental protection requirement, successively newly-built big volume is dry puts out for most domestic steel mill and independent coke-oven plant
Coke replaces wet quenching.According to domestic big volume dry coke quenching structure design, slope air course position is crucial, one side slope air course support
Brick will bear the weight of resistance to material inside top partition wall and ring air duct（About 200t）, in production process furnace body partially in, slope air course support
Brick bears weight offset, discontinuity；On the other hand it is that slope air course position refractory material working environment is severe, for a long time by temperature
Thus fusion, rapid heat cycle, the influences such as air blast washes away, the friction of coke, chemical etching effect cause slope air course position to support
Brick is broken.The fracture of dry coke quenching slope air course support construction pillar brick mostly uses band " groove " shaped brick ditch, plays interlocking.It is from resistance to
The brick groove position of firebrick starts, it is therefore desirable to improve the brick ditch of refractory brick.Existing most of this " groove " structure fire resistance bricks can
Accelerate groove position crackle, the refractory life about 8 years at other positions of volume dry coke quenching structure, and slope air course fire resisting
Brick is damaged fastest, and service life becomes the bottleneck of the service life of entire coke dry quenching body refractory material more only about 1 year.
Therefore known slope air course support portion refractory brick there are problems that it is above-mentioned various inconvenient and.
Invention content
The purpose of the present invention is to propose a kind of castable for dry coke quenching slope air course support portion to prolong the service life
Preformed bricks.
It is another object of the present invention to propose a kind of pouring for dry coke quenching slope air course support portion to prolong the service life
The production method of material feeding preformed bricks.
To achieve the above object, technical solution of the invention is：
A kind of casting material prefabricated brick of dry coke quenching slope air course support portion, casting material prefabricated brick use stone-silicon carbide castable, institute
The material component and weight percent for stating mullite-SiC castable be：It is aggregate 68~75%, matrix 23~30%, stainless
Steel heat resistance fiber 1.5~2.0%, wherein：The component and weight percent of aggregate be：High-purity low-iron mullite synthesizing 45~
55%, superfine silicon carbide 12~16%；The component and weight percent of matrix be：High purity silica powder 5~9%, carbide fine powder 4
~8%, high-purity aluminate 5~8%, active alpha-Al2O34~6%, including heat-resisting reinforcing bar and " ten " font ditch tongue structure,
It is characterized in that：
The heat-resisting reinforcing bar：Heat-resisting reinforcing bar is set in casting material prefabricated brick, trapezoidal special form brick is similar to outside casting material prefabricated brick,
Its upper surface is quadrangle, and two width edges are parallel, the width length of side 270-290mm., another width length of side 235-
255mm, two length sides are not parallel, and the length between two width edges is 300-450mm, and special form brick height is 269mm.；It pours
Material feeding preformed bricks internal structure does reinforcing rib equipped with 4 heat-resisting reinforcing bars of φ 10mm；
" ten " the font ditch tongue structure：" ten " font ditch tongue structure is arranged in casting material prefabricated brick, and casting material prefabricated brick brick body is set
There is a upper and lower surface for making joint face, upper and lower surface is set there are four independent " ten " font ditch tongue structure, so as to
When upper and lower two pieces of casting material prefabricated brick masonries in preformed bricks masonry brick body joint face and lower joint face radial direction and circumference two
Direction is fixed and controls, wherein：Upper joint face is equipped with little groove, and lower joint face is equipped with small tenon, little groove and small tenon
Matching is chimeric to reach " ten " font ditch tongue structure, and the longitudinal and transverse direction length of side of " ten " font ditch tongue structure is respectively 30mm, not straight-through
Brick ditch brick tongue portion uses a semi-cylindrical, and in order to demould, 5mm gradients are stayed on head, but Zhuan Gou, brick tongue must use same shape
Formula.
The casting material prefabricated brick for dry coke quenching slope air course support portion of the present invention can also use technical measures below
To further realize.
It is previously described for the casting material prefabricated brick of dry coke quenching slope air course support portion, wherein the heat resisting steel muscle is
0Cr25Ni20 materials do reinforcing rib.
It is previously described for the casting material prefabricated brick of dry coke quenching slope air course support portion, wherein two article of the 1st heat-resisting reinforcing bar is set
It is 130-150mm to set mutual spacing.
It is previously described for the casting material prefabricated brick of dry coke quenching slope air course support portion, wherein two article of the 2nd heat-resisting reinforcing bar is set
It is 129mm to set mutual spacing.
It is previously described for the casting material prefabricated brick of dry coke quenching slope air course support portion, wherein four independent " ten " fonts
Ditch tongue structure joint face and lower joint face in preformed bricks masonry brick body are arranged symmetrically, four independent " ten " font ditch tongue structures
Central point line it is rectangular.
A kind of production method of the casting material prefabricated brick of dry coke quenching slope air course support portion, it is characterised in that including following step
Suddenly：
A, casting material prefabricated brick uses stone-silicon carbide castable
The material component and weight percent of the mullite-SiC castable be：Aggregate 68~75%, matrix 23~
30%, stainless steel heat-resistant fiber 1.5~2.0%,
Wherein：The component and weight percent of aggregate be：High-purity low-iron mullite synthesizing 45~55%, superfine silicon carbide 12~
16%；
The component and weight percent of matrix be：High purity silica powder 5~9%, carbide fine powder 4~8%, high-purity aluminate 5~
8%, active alpha-Al2O34~6%；
B, castable adds water, mixes and stirs, casting material prefabricated molding, includes the following steps：
（1）Heat-resisting reinforcing bar is set in casting material prefabricated brick
Trapezoidal special form brick is similar to outside casting material prefabricated brick, upper surface is quadrangle, and two width edges are parallel, a width edge
Long 270-290mm., another width length of side 235-255mm, two length sides are not parallel, and the length between two width edges is
300-450mm, special form brick height are 269mm.；Casting material prefabricated brick internal structure is equipped with 4 heat-resisting reinforcing bars of φ 10mm
0Cr25Ni20 (310S) does reinforcing rib；Wherein：Two article of the 1st heat-resisting steel-bar arrangement mutual spacing is 130-150mm, and from material feeding
Preformed bricks edge 70mm；Two article of the 2nd heat-resisting steel-bar arrangement mutual spacing is 129mm, and from material feeding preformed bricks edge 70mm；
（2）" ten " font ditch tongue structure is arranged in casting material prefabricated brick
Casting material prefabricated brick brick body, which is equipped with, makees the upper and lower surface of joint face, and upper and lower surface sets that there are four independent
" ten " font ditch tongue structure, so as to when upper and lower two pieces of casting material prefabricated brick masonries in preformed bricks masonry brick body joint face and under
The radial direction and circumference both direction of joint face are fixed and control, wherein：Upper joint face is equipped with little groove, and lower joint face is equipped with
Small tenon, little groove and the matching of small tenon are fitted into and reach " ten " font ditch tongue structure, the longitudinal and transverse direction of " ten " font ditch tongue structure
The length of side is respectively 30mm, and straight-through brick ditch brick tongue portion does not use a semi-cylindrical, and in order to demould, 5mm gradients, but brick are stayed in head
Ditch, brick tongue must use same form；
C, casting material prefabricated brick baking
After casting material prefabricated part after molding spontaneously dries 48h, 600 DEG C, and natural cooling need to be baked in stove, castable is dried
It is roasting preferably to use Electric heating or natural gas oven, influence of the flue gas to castable is reduced, while in strict accordance with certain liter
Warm curve is toasted.
The production method of the casting material prefabricated brick for dry coke quenching slope air course support portion of the present invention can also use following
Technical measures further realize.
Method above-mentioned, wherein the natural cooling cooling rate is not greater than 25 DEG C per hour.
After adopting the above technical scheme, the casting material prefabricated brick and production method of the dry coke quenching slope air course support portion of the present invention
It has the following advantages：
1, casting material prefabricated brick structure is simple, easy to make, durable；
2, the damaged frequent problem of coke dry quenching furnace slope air course support portion is solved, the service life of slope air course support portion is extended, is increased dry
It puts out the stove production time, improves dry coke quenching utilization rate；
3, cost-effective, reduction maintenance engineering cost.
Description of the drawings
Fig. 1 is the casting material prefabricated brick floor map of the embodiment of the present invention；
Fig. 2 is the side view of Fig. 1；
Fig. 3 is " ten " word ditch tongue structure schematic diagram of the casting material prefabricated brick of the embodiment of the present invention；
Fig. 4 is the casting material prefabricated brick plan view of the embodiment of the present invention, four " ten " word ditch tongue structures arrangement signal of every piece of brick
Figure；
Fig. 5 is that the casting material prefabricated brick of the embodiment of the present invention toasts curve graph.
In figure：1 the 1st heat-resisting reinforcing bar, 2 the 2nd heat-resisting reinforcing bars, 3 little grooves, 4 small tenons, 5 casting material prefabricated brick upper surfaces, 6
Casting material prefabricated brick lower surface.
Specific implementation mode
With reference to embodiments and its attached drawing illustrates further the present invention.
Embodiment 1
The casting material prefabricated brick of the dry coke quenching slope air course support portion of the present invention, casting material prefabricated brick use stone-silicon carbide cast
Material, the material component and weight percent of the mullite-SiC castable are：Aggregate 68~75%, matrix 23~
30%, stainless steel heat-resistant fiber 1.5~2.0%, wherein：The component and weight percent of aggregate be：High-purity low-iron synthesis does not come
Stone 45~55%, superfine silicon carbide 12~16%；The component and weight percent of matrix be：High purity silica powder 5~9%, carbonization
Silica fine powder 4~8%, high-purity aluminate 5~8%, active alpha-Al2O34~6%, including heat-resisting reinforcing bar and " ten " font ditch tongue
Structure.
Referring now to Fig. 1 and Fig. 2, Fig. 1 is the casting material prefabricated brick floor map of the embodiment of the present invention, and Fig. 2 is Fig. 1's
Cut up with a hay cutter view.As shown, the heat-resisting reinforcing bar：Heat-resisting reinforcing bar is set in casting material prefabricated brick, is similar to outside casting material prefabricated brick
Trapezoidal special form brick, upper surface are quadrangle, and two width edges are parallel, and width edge w long 270-290mm. are another wide
Side x long 235-255mm are spent, two length sides are not parallel, and the length y between two width edges is 300-450mm, special form brick height
Z is 269mm.；Casting material prefabricated brick internal structure does reinforcing rib equipped with the heat-resisting reinforcing bar 0Cr25Ni20 of 4 φ 10mm；Described two
It is 130-150mm that mutual spacing, which is arranged, in 1st heat-resisting reinforcing bar 1.Two article of the 2nd heat-resisting reinforcing bar 2 setting mutual spacing is 129mm.
Fig. 3 is " ten " word ditch tongue structure schematic diagram of the casting material prefabricated brick of the embodiment of the present invention, and Fig. 4 is that the present invention is implemented
The casting material prefabricated brick plan view of example, four " ten " word ditch tongue structure arrangement schematic diagrams of every piece of brick.
" ten " the font ditch tongue structure：" ten " font ditch tongue structure, casting material prefabricated brick brick is arranged in casting material prefabricated brick
Body is equipped with the upper and lower surface for making joint face, and upper and lower surface is set there are four independent " ten " font ditch tongue structure,
So as to when upper and lower two pieces of casting material prefabricated brick masonries in preformed bricks masonry brick body joint face and lower joint face radial direction and circumference
Both direction is fixed and controls, wherein：Upper joint face is equipped with little groove, and lower joint face is equipped with small tenon, little groove and small
Tenon matching is chimeric to reach " ten " font ditch tongue structure, and the longitudinal and transverse direction length of side A of " ten " font ditch tongue structure is respectively 30mm, no
Straight-through brick ditch brick tongue portion uses half garden cylindricality, and in order to demould, head B stays 5mm gradients, but Zhuan Gou, brick tongue must be used together
A kind of form.Four independent " ten " font ditch tongue structures joint face and lower joint face in preformed bricks masonry brick body are symmetrical
Arrangement, the central point line of four independent " ten " font ditch tongue structures are rectangular.
Embodiment 2
A kind of production method of the casting material prefabricated brick of dry coke quenching slope air course support portion, includes the following steps：
A, casting material prefabricated brick uses stone-silicon carbide castable
The material component and weight percent of the mullite-SiC castable be：Aggregate 68~75%, matrix 23~
30%, stainless steel heat-resistant fiber 1.5~2.0%,
Wherein：The component and weight percent of aggregate be：High-purity low-iron mullite synthesizing 45~55%, superfine silicon carbide 12~
16%；
The component and weight percent of matrix be：High purity silica powder 5~9%, carbide fine powder 4~8%, high-purity aluminate 5~
8%, active alpha-Al2O34~6%；
B, castable adds water, mixes and stirs, casting material prefabricated molding, includes the following steps：
（1）Heat-resisting reinforcing bar is set in casting material prefabricated brick
Trapezoidal special form brick is similar to outside casting material prefabricated brick, upper surface is quadrangle, and two width edges are parallel, a width edge
W long 270-290mm., another width edge x long 235-255mm, two length sides are not parallel, the length y between two width edges
It is 269mm. for 300-450mm, special form brick height z；Casting material prefabricated brick internal structure is equipped with 4 heat-resisting reinforcing bars of φ 10mm
0Cr25Ni20 does reinforcing rib；Wherein：Two article of the 1st heat-resisting reinforcing bar（1）Setting mutual spacing is 130-150mm, and pre- from castable
Brickmaking edge 70mm；It is 129mm that mutual spacing, which is arranged, in two article of the 2nd heat-resisting reinforcing bar 2, and from material feeding preformed bricks edge 70mm；
（2）" ten " font ditch tongue structure is arranged in casting material prefabricated brick
Casting material prefabricated brick brick body, which is equipped with, makees the upper and lower surface of joint face, and upper and lower surface sets that there are four independent
" ten " font ditch tongue structure, so as to when upper and lower two pieces of casting material prefabricated brick masonries in preformed bricks masonry brick body joint face and under
The radial direction and circumference both direction of joint face are fixed and control, wherein：Upper joint face is equipped with little groove, and lower joint face is equipped with
Small tenon, little groove and the matching of small tenon are fitted into and reach " ten " font ditch tongue structure, the longitudinal and transverse direction of " ten " font ditch tongue structure
Length of side A is respectively 30mm, and straight-through brick ditch brick tongue portion does not use a semi-cylindrical, and in order to demould, head B stays 5mm gradients, but
Zhuan Gou, brick tongue must use same form；
C, casting material prefabricated brick baking
After casting material prefabricated part after molding spontaneously dries 48h, 600 DEG C, and natural cooling need to be baked in stove（Cooling rate
It is not greater than 25 DEG C per hour）.Castable baking preferably uses Electric heating or natural gas oven, reduces flue gas to castable
Influence, while being toasted in strict accordance with certain heating curve.Fig. 5 is that the casting material prefabricated brick of the embodiment of the present invention toasts
Curve graph.
1 castable refractory preformed bricks physicochemical property of table
The present invention has substantive distinguishing features and significant technological progress, the castable of dry coke quenching slope air course support portion of the invention pre-
Brickmaking and production method, solve the damaged frequent problem of dry coke quenching slope air course support portion, and extend slope air course support portion uses the longevity
Life increases the dry coke quenching production time, improves dry coke quenching utilization rate, cost-effective.
Above example is used for illustrative purposes only rather than limitation of the present invention, the technology people in relation to technical field
Member, without departing from the spirit and scope of the present invention, can also make various transformation or variation.Therefore, all equivalent
Technical solution should also belong to scope of the invention, should be limited by each claim.
Claims (7)
1. a kind of casting material prefabricated brick of dry coke quenching slope air course support portion, casting material prefabricated brick uses stone-silicon carbide castable,
The material component and weight percent of the mullite-SiC castable be：Aggregate 68~75%, matrix 23~30%, no
Become rusty steel heat resistance fiber 1.5~2.0%, wherein：The component and weight percent of aggregate be：High-purity low-iron mullite synthesizing 45~
55%, superfine silicon carbide 12~16%；The component and weight percent of matrix be：High purity silica powder 5~9%, carbide fine powder 4
~8%, high-purity aluminate 5~8%, active alpha-Al2O34~6%, including heat-resisting reinforcing bar and " ten " font ditch tongue structure,
It is characterized in that：
The heat-resisting reinforcing bar：Heat-resisting reinforcing bar is set in casting material prefabricated brick, trapezoidal special form brick is similar to outside casting material prefabricated brick,
Its upper surface is quadrangle, and two width edges are parallel, a width edge（w）Long 270-290mm., another width edge（x）It is long
235-255mm, two length sides are not parallel, the length between two width edges（y）For 300-450mm, special form brick height（z）For
269mm.；Casting material prefabricated brick internal structure does reinforcing rib equipped with 4 heat-resisting reinforcing bars of φ 10mm；
" ten " the font ditch tongue structure：" ten " font ditch tongue structure is arranged in casting material prefabricated brick, and casting material prefabricated brick brick body is set
There is a upper and lower surface for making joint face, upper and lower surface is set there are four independent " ten " font ditch tongue structure, so as to
When upper and lower two pieces of casting material prefabricated brick masonries in preformed bricks masonry brick body joint face and lower joint face radial direction and circumference two
Direction is fixed and controls, wherein：Upper joint face is equipped with little groove, and lower joint face is equipped with small tenon, little groove and small tenon
Matching is chimeric to reach " ten " font ditch tongue structure, the longitudinal and transverse direction length of side of " ten " font ditch tongue structure（A）It is respectively 30mm, not directly
Logical brick ditch brick tongue portion uses a semi-cylindrical, in order to demould, head（B）5mm gradients are stayed, but Zhuan Gou, brick tongue must be used together
A kind of form.
2. the casting material prefabricated brick of dry coke quenching slope air course support portion as described in claim 1, which is characterized in that the heat resisting steel
Muscle is that 0Cr25Ni20 materials do reinforcing rib.
3. the casting material prefabricated brick of dry coke quenching slope air course support portion as described in claim 1, which is characterized in that described two article
1 heat-resisting reinforcing bar（1）Setting mutual spacing is 130-150mm.
4. the casting material prefabricated brick of dry coke quenching slope air course support portion as described in claim 1, which is characterized in that described two article
2 heat-resisting reinforcing bars（2）Setting mutual spacing is 129mm.
5. the casting material prefabricated brick of dry coke quenching slope air course support portion as described in claim 1, which is characterized in that described four solely
Vertical " ten " font ditch tongue structure joint face and lower joint face in preformed bricks masonry brick body are arranged symmetrically, four independent " ten "
The central point line of font ditch tongue structure is rectangular.
6. a kind of production method of the casting material prefabricated brick of dry coke quenching slope air course support portion, it is characterised in that include the following steps：
A, casting material prefabricated brick uses stone-silicon carbide castable
The material component and weight percent of the mullite-SiC castable be：Aggregate 68~75%, matrix 23~
30%, stainless steel heat-resistant fiber 1.5~2.0%,
Wherein：The component and weight percent of aggregate be：High-purity low-iron mullite synthesizing 45~55%, superfine silicon carbide 12~
16%；
The component and weight percent of matrix be：High purity silica powder 5~9%, carbide fine powder 4~8%, high-purity aluminate 5~
8%, active alpha-Al2O34~6%；
B, castable adds water, mixes and stirs, casting material prefabricated molding, includes the following steps：
（1）Heat-resisting reinforcing bar is set in casting material prefabricated brick
Trapezoidal special form brick is similar to outside casting material prefabricated brick, upper surface is quadrangle, and two width edges are parallel, a width edge
（w）Long 270-290mm., another width edge（x）Long 235-255mm, two length sides are not parallel, between two width edges
Length（y）For 300-450mm, special form brick height（z）For 269mm.；It is resistance to that casting material prefabricated brick internal structure is equipped with 4 φ 10mm
Hot reinforcing bar does reinforcing rib；Wherein：Two article of the 1st heat-resisting reinforcing bar（1）Setting mutual spacing is 130-150mm, and from material feeding preformed bricks
Edge 70mm；Two article of the 2nd heat-resisting reinforcing bar（2）Setting mutual spacing is 129mm, and from material feeding preformed bricks edge 70mm；
（2）" ten " font ditch tongue structure is arranged in casting material prefabricated brick
Casting material prefabricated brick brick body, which is equipped with, makees the upper and lower surface of joint face, and upper and lower surface sets that there are four independent
" ten " font ditch tongue structure, so as to when upper and lower two pieces of casting material prefabricated brick masonries in preformed bricks masonry brick body joint face and under
The radial direction and circumference both direction of joint face are fixed and control, wherein：Upper joint face is equipped with little groove, and lower joint face is equipped with
Small tenon, little groove and the matching of small tenon are fitted into and reach " ten " font ditch tongue structure, the longitudinal and transverse direction of " ten " font ditch tongue structure
The length of side（A）It is respectively 30mm, straight-through brick ditch brick tongue portion does not use a semi-cylindrical, in order to demould, head（B）Stay 5mm oblique
Degree, but Zhuan Gou, brick tongue must use same form；
C, casting material prefabricated brick baking
After casting material prefabricated part after molding spontaneously dries 48h, 600 DEG C, and natural cooling need to be baked in stove, castable is dried
It is roasting preferably to use Electric heating or natural gas oven, influence of the flue gas to castable is reduced, while in strict accordance with certain liter
Warm curve is toasted.
7. the casting material prefabricated brick production method of dry coke quenching slope air course support portion as claimed in claim 6, which is characterized in that institute
It states natural cooling cooling rate and is not greater than 25 DEG C per hour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710193490.5A CN108658610A (en) | 2017-03-28 | 2017-03-28 | A kind of casting material prefabricated brick and production method of dry coke quenching slope air course support portion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710193490.5A CN108658610A (en) | 2017-03-28 | 2017-03-28 | A kind of casting material prefabricated brick and production method of dry coke quenching slope air course support portion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108658610A true CN108658610A (en) | 2018-10-16 |
Family
ID=63786006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710193490.5A Pending CN108658610A (en) | 2017-03-28 | 2017-03-28 | A kind of casting material prefabricated brick and production method of dry coke quenching slope air course support portion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108658610A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113563906A (en) * | 2021-06-18 | 2021-10-29 | 中国五冶集团有限公司 | Novel bracket brick for inclined air duct of coke dry quenching furnace and manufacturing method thereof |
| CN115611643A (en) * | 2022-09-02 | 2023-01-17 | 五冶集团上海有限公司 | Novel prefabricated block for chute pillar of dry quenching furnace and preparation method thereof |
| CN117902909A (en) * | 2024-03-19 | 2024-04-19 | 阳城县圣利安建材有限公司 | Flint clay brick and manufacturing method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101671569A (en) * | 2009-09-28 | 2010-03-17 | 莱芜钢铁股份有限公司 | Integral casting construction process of dry quenching furnace |
| CN102191066A (en) * | 2010-03-03 | 2011-09-21 | 五冶集团上海有限公司 | Coke dry quenching slope air course supporting brick overhaul construction process |
| CN102690663A (en) * | 2012-04-27 | 2012-09-26 | 宜兴市恒祥耐火材料有限公司 | Dry coke quenching oven annular air duct chain structure combination refractory brick |
| CN103423999A (en) * | 2013-07-08 | 2013-12-04 | 山西太钢不锈钢股份有限公司 | Charging end wall for heating furnace and construction method of charging end wall |
| CN104390461A (en) * | 2014-07-21 | 2015-03-04 | 山东鲁铭高温材料科技有限公司 | Energy-saving cement rotary kiln lining and masonry process thereof |
| WO2016045344A1 (en) * | 2014-09-26 | 2016-03-31 | 黄烈元 | Building brick and wall built therewith |
-
2017
- 2017-03-28 CN CN201710193490.5A patent/CN108658610A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101671569A (en) * | 2009-09-28 | 2010-03-17 | 莱芜钢铁股份有限公司 | Integral casting construction process of dry quenching furnace |
| CN102191066A (en) * | 2010-03-03 | 2011-09-21 | 五冶集团上海有限公司 | Coke dry quenching slope air course supporting brick overhaul construction process |
| CN102690663A (en) * | 2012-04-27 | 2012-09-26 | 宜兴市恒祥耐火材料有限公司 | Dry coke quenching oven annular air duct chain structure combination refractory brick |
| CN103423999A (en) * | 2013-07-08 | 2013-12-04 | 山西太钢不锈钢股份有限公司 | Charging end wall for heating furnace and construction method of charging end wall |
| CN104390461A (en) * | 2014-07-21 | 2015-03-04 | 山东鲁铭高温材料科技有限公司 | Energy-saving cement rotary kiln lining and masonry process thereof |
| WO2016045344A1 (en) * | 2014-09-26 | 2016-03-31 | 黄烈元 | Building brick and wall built therewith |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113563906A (en) * | 2021-06-18 | 2021-10-29 | 中国五冶集团有限公司 | Novel bracket brick for inclined air duct of coke dry quenching furnace and manufacturing method thereof |
| CN115611643A (en) * | 2022-09-02 | 2023-01-17 | 五冶集团上海有限公司 | Novel prefabricated block for chute pillar of dry quenching furnace and preparation method thereof |
| CN117902909A (en) * | 2024-03-19 | 2024-04-19 | 阳城县圣利安建材有限公司 | Flint clay brick and manufacturing method |
| CN117902909B (en) * | 2024-03-19 | 2024-06-11 | 阳城县圣利安建材有限公司 | Flint clay brick and manufacturing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108658610A (en) | A kind of casting material prefabricated brick and production method of dry coke quenching slope air course support portion | |
| CN102249655B (en) | Ductile mullite brick for pipelines of hot blast stoves and manufacturing method thereof | |
| CN203033894U (en) | Parallel flow heat storage double chamber kiln support arch structure | |
| CN106595314A (en) | Rotary kiln liner structure and laying method | |
| CN201265017Y (en) | Blast furnace hearth furnace bottom lining structure | |
| CN206799457U (en) | A kind of casting material prefabricated brick of dry coke quenching slope air course supporting part | |
| CN101509724B (en) | Smelting blast deflecting wall for vertical pellet furnace and drying bed | |
| CN103925786A (en) | Double-pushing-plate high-temperature sintering kiln for producing vanadium-nitrogen alloy | |
| CN101672576A (en) | Furnace hearth of maintaining room of aluminum alloy melting furnace built by combining casting materials with precast bricks | |
| CN208059548U (en) | The energy-efficient bleed-off passage pushed bat kiln of nitrogen atmosphere protection | |
| CN208454885U (en) | A kind of coke dry quenching furnace high temperature flue refractory masonry structure | |
| CN207113585U (en) | A kind of dual chamber aluminium melting furnace with refractory material laying | |
| CN100389060C (en) | Firebox structure of pusher plate kiln in calcining apparatuses for preparing alloy of vanadium-nitrogen continously | |
| CN207231233U (en) | A kind of refractory lining masonry construction for lifting Kaldo Furnace furnace life | |
| CN216106774U (en) | Bracket structure of chute area of coke dry quenching furnace | |
| CN202182612U (en) | Lining structure of vertical lime pit | |
| CN205228149U (en) | Vanadium nitrogen alloy sintering furnace | |
| CN107401918A (en) | A kind of cement kiln preformed bricks fireproof construction | |
| CN207132714U (en) | A kind of cement kiln preformed bricks fireproof construction | |
| CN108300850B (en) | Composite steel tapping furnace kang structure for heating furnace and construction method thereof | |
| CN208059551U (en) | Ternary industrializes atmosphere roller furnace | |
| CN202954052U (en) | Novel blast-furnace crucible | |
| CN205808095U (en) | There is the tunnel cave of the two-part intensification section of burning till | |
| CN105861771B (en) | One kind ironmaking hot-blast stove junctions furnace lining structure | |
| CN106546098A (en) | A kind of vanadium-nitrogen alloy sintering kiln |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181016 |
|
| RJ01 | Rejection of invention patent application after publication |