CN107082644A - A kind of refractory brick fast connected - Google Patents

A kind of refractory brick fast connected Download PDF

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Publication number
CN107082644A
CN107082644A CN201710506105.8A CN201710506105A CN107082644A CN 107082644 A CN107082644 A CN 107082644A CN 201710506105 A CN201710506105 A CN 201710506105A CN 107082644 A CN107082644 A CN 107082644A
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Prior art keywords
refractory brick
connecting portion
neck
fast connected
constitute
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Inventor
周迪
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Changxin Xin Di Refractory Material Factory
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Changxin Xin Di Refractory Material Factory
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Priority to CN201710506105.8A priority Critical patent/CN107082644A/en
Publication of CN107082644A publication Critical patent/CN107082644A/en
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—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
    • 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
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—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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    • 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)
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
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    • C04B2235/02—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
    • C04B2235/3427—Silicates other than clay, e.g. water glass
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    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
    • C04B2235/447—Phosphates or phosphites, e.g. orthophosphate, hypophosphite
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    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/52—Constituents or additives characterised by their shapes
    • C04B2235/5208—Fibers
    • C04B2235/5216—Inorganic
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • C04B2235/6562—Heating rate
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    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
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    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
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    • 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

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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)
  • Inorganic Chemistry (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)

Abstract

The invention discloses a kind of refractory brick fast connected, belong to kiln heat-insulation layer technical field, be cube, the cubical one side it is relative be provided at both ends with connecting portion；The connecting portion includes a neck and the card column being arranged in the neck；After the connecting portion phase split of adjacent two blocks of refractory brick, two necks constitute an annular groove, and two card columns constitute a column for being located at annular groove center.The connected mode of refractory brick of the present invention is more easy, and bonding strength is high, good seal performance.

Description

A kind of refractory brick fast connected
Technical field
The present invention relates to technical field of refractory materials, in particular to a kind of refractory brick fast connected.
Background technology
Electrical kiln, using electric furnace heating wire, silicon-carbon side or molybdenum disilicide as heat generating component, is radiated and led by electric energy using electricity as the energy Pyrogen reason carries out oxidizing atmosphere firing, and electronic program regulation and control, are one kind of kiln, its is simple to operate, has a safety feature, it is adaptable to Various workplaces.
Existing electrical kiln generally piles up the outer wall to be formed as heat-insulation layer using fire resisting station, and thing to be sintered is placed in it and added Heat is fired, and existing refractory brick generally uses solid brick body, is sintered and formed after mixing with various materials, between refractory brick Connection sealing, fastness turn into restriction electrical kiln performance further bottleneck.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the invention provides a kind of refractory brick fast connected, the refractory brick Bonding strength height, good airproof performance solve insulation and the strength problem of electrical kiln fire brick layer.
A kind of refractory brick fast connected, is cube, the cubical one side it is relative be provided at both ends with connecting portion；
The connecting portion includes a neck and the card column being arranged in the neck；
After the connecting portion phase split of adjacent two blocks of refractory brick, two necks constitute an annular groove, and two card columns constitute a position Column in annular groove center.
After the connecting portion alignment of two blocks of refractory brick, a snap ring, snap ring can be socketed on the column of two card column formation Column is firmly waled, firm sealing structure is formed, so as to the intensity of increase fire brick layer in itself.
As the preferred of above-mentioned technical proposal, the cubical one side is rectangle, and its four edges is provided with connecting portion.
As the preferred of above-mentioned technical proposal, the inside and outside contour of the neck is semicircle, and formation is shaped as half The cell body of annular.
As the preferred of above-mentioned technical proposal, the shape of cross section of the card column is semicircle, adjacent two blocks of refractory brick After two card column splits, that is, constitute a cylinder.
As the preferred of above-mentioned technical proposal, the depth of the neck is the 1/2 ~ 4/5 of refractory brick thickness.
Neck ensures certain depth, makes to fill under the graphite cannula of ring-type, the condition of high temperature in it, and graphite cannula is produced Expansion, enhances the sealing of refractory brick junction, while so that junction is more firm.
Above-mentioned refractory brick needs higher wearability to provide a kind of wear-resisting fire resisting to ensure the durability of junction, now Brick, as mass fraction, is made up of following component：
Major ingredient, including：
20 ~ 35 parts of mullite；
3 ~ 8 parts of zirconium silicate；
8 ~ 15 parts of schmigel；
15 ~ 30 parts of andalusite miberal powder；
5 ~ 10 parts of sillimanite powder powder；
3 ~ 8 parts of silica flour；
3 ~ 6 parts of alumina powder；
3 ~ 7 parts of aluminous cement；
External feeding, including：
0.5 ~ 2 part of heat-resistant steel fiber；
0.16 ~ 0.2 part of calgon；
0.18 ~ 0.21 part of explosion-proof fiber.
As the preferred of above-mentioned technical proposal, as mass fraction, it is made up of following component：
Major ingredient, including：
20 ~ 25 parts of mullite；
5 ~ 8 parts of zirconium silicate；
10 ~ 15 parts of schmigel；
25 ~ 30 parts of andalusite miberal powder；
5 ~ 8 parts of sillimanite powder powder；
5 ~ 8 parts of silica flour；
5 ~ 6 parts of alumina powder；
5 ~ 7 parts of aluminous cement；
External feeding, including：
0.5 ~ 0.7 part of heat-resistant steel fiber；
0.16 ~ 0.18 part of calgon；
0.2 ~ 0.21 part of explosion-proof fiber.
As the preferred of above-mentioned technical proposal, the explosion-proof fiber is the fiber obtained using polypropylene as raw material after toasted Material.
As the preferred of above-mentioned technical proposal, the mullite is micro-pore mullite powder.
A kind of preparation method of wear-resisting preformed bricks, comprises the following steps：
1. batch mixing：Major ingredient installation formula is prepared, is placed in mixer and is stirred, then add external feeding and water, continue into Row stirring；
The mass fraction of water is 5 ~ 12 parts；
2. shape：The compound being stirred is added in mould, the deadweight and surface tension by compound are shakeout, and erase surface Unnecessary compound；
3. conserve：The mould that will be equipped with compound is put into 25 DEG C of isoperibol, is stripped, is placed again at least after the demoulding after hardening 48 hours；
4. dry：The adobe conserved is placed in electrical kiln and dried, room temperature is naturally cooled to after drying；
5. fire：Dried adobe is put into heating furnace, and 300 DEG C are warming up to according to 5 DEG C/min heating rate, then with 10 DEG C/min heating rate is warming up to 1000 DEG C, and is incubated 3 hours, then naturally cools to room temperature, both preformed bricks.
As the preferred of above-mentioned technical proposal, step 4. middle electrical kiln temperature setting be 110 DEG C, drying time is at least 24 Hour.
The present invention compared with prior art, with advantages below and beneficial effect：
（1）Connected mode between the refractory brick is more easy, only to it connecting portion need to be put into snap ring again（Clip）；
（2）Bonding strength between the refractory brick is high, enhances the fastness of electrical kiln heat-insulation layer；
（3）The heat-insulation layer good seal performance of refractory brick formation, enhances the heat insulating ability of electrical kiln heat-insulation layer.
Brief description of the drawings
Fig. 1 is firebrick structure schematic diagram.
Fig. 2 is refractory brick attachment structure schematic diagram.
In figure：Connecting portion a1, neck a11, card column a12.
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings：
Embodiment 1：With reference to Fig. 1 and Fig. 2, a kind of refractory brick fast connected, it is cube, and the cubical one side is square Shape, its four edges are provided with connecting portion a1；
The connecting portion a1 includes a semicircular neck a11 and the card column a12 being arranged in the neck a11；
After the connecting portion a1 phase splits of adjacent two blocks of refractory brick, two neck a11 constitute an annular groove, two card column a12 Constitute a cylinder for being located at annular groove center.
The depth of the neck a11 is the 1/2 of refractory brick thickness.
Embodiment 2：With reference to Fig. 1 and Fig. 2, a kind of refractory brick fast connected is with the difference of embodiment 1：Institute The depth for stating neck a11 is the 4/5 of refractory brick thickness.
The refractory brick preparation flow of 3 ~ embodiment of embodiment 6 is as described below：
1. batch mixing：Major ingredient installation formula is prepared, is placed in mixer and is stirred, then add external feeding and water, continue into Row stirring；
2. shape：The compound being stirred is added in mould, the deadweight and surface tension by compound are shakeout, and erase surface Unnecessary compound；
3. conserve：The mould that will be equipped with compound is put into 25 DEG C of isoperibol, is stripped after hardening, is placed 48 after the demoulding again small When；
4. dry：The adobe conserved is placed in electrical kiln and carries out drying 24 hours with 110 DEG C, room is naturally cooled to after drying Temperature；
5. fire：Dried adobe is put into heating furnace, and 300 DEG C are warming up to according to 5 DEG C/min heating rate, then with 10 DEG C/min heating rate is warming up to 1000 DEG C, and is incubated 3 hours, then naturally cools to room temperature, both preformed bricks.
The preformed bricks formula of 3 ~ embodiment of embodiment 6 is shown in Table one：
The preformed bricks formula of the 3 ~ embodiment of embodiment 6 of table one
Table two is the preformed bricks performance parameter prepared by 3 ~ embodiment of embodiment 6
Preformed bricks performance parameter prepared by the 3 ~ embodiment of embodiment 6 of table two

Claims (5)

1. a kind of refractory brick fast connected, it is characterised in that：For cube, the relative two ends of the cubical one side are set There is connecting portion（a1）；
The connecting portion（a1）Including a neck（a11）Be arranged on the neck（a11）Interior card column（a12）；
The connecting portion of adjacent two blocks of refractory brick（a1）After phase split, two necks（a11）Constitute an annular groove, two card columns （a12）Constitute a column for being located at annular groove center.
2. a kind of refractory brick fast connected according to claim 1, it is characterised in that：The cubical one side is square Shape, its four edges are provided with connecting portion（a1）.
3. a kind of refractory brick fast connected according to claim 1 or 2, it is characterised in that：The neck（a11）It is interior Outline is semicircle, the cell body for being shaped as half of annular of formation.
4. a kind of refractory brick fast connected according to claim 3, it is characterised in that：The card column（a12）It is transversal Face is shaped as semicircle, two card columns of adjacent two blocks of refractory brick（a12）After split, that is, constitute a cylinder.
5. a kind of refractory brick fast connected according to claim 1, it is characterised in that：The neck（a11）Depth For the 1/2 ~ 4/5 of refractory brick thickness.
CN201710506105.8A 2017-06-28 2017-06-28 A kind of refractory brick fast connected Withdrawn CN107082644A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002317512A (en) * 2001-04-20 2002-10-31 Sowa Sekkei:Kk Brick and method for assembling brick
CN202254830U (en) * 2011-09-28 2012-05-30 东台市港泰耐火材料有限公司 Clamping type kiln car facing brick of tunnel kiln
CN103173851A (en) * 2006-07-14 2013-06-26 东洋炭素株式会社 Protective sheet for crucible and crucible device using the same
CN203586761U (en) * 2013-11-15 2014-05-07 河南省宏达炉业有限公司 Connecting structure for fire-resistant prefabricated bricks and rotary kiln barrel in rotary kiln
JP3210134U (en) * 2017-02-14 2017-04-27 株式会社 日本育児 Safety fence

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002317512A (en) * 2001-04-20 2002-10-31 Sowa Sekkei:Kk Brick and method for assembling brick
CN103173851A (en) * 2006-07-14 2013-06-26 东洋炭素株式会社 Protective sheet for crucible and crucible device using the same
CN202254830U (en) * 2011-09-28 2012-05-30 东台市港泰耐火材料有限公司 Clamping type kiln car facing brick of tunnel kiln
CN203586761U (en) * 2013-11-15 2014-05-07 河南省宏达炉业有限公司 Connecting structure for fire-resistant prefabricated bricks and rotary kiln barrel in rotary kiln
JP3210134U (en) * 2017-02-14 2017-04-27 株式会社 日本育児 Safety fence

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Application publication date: 20170822