CN105819713B - A kind of perpendicular wedge-shaped refractory brick of Limestone rotary kiln - Google Patents

A kind of perpendicular wedge-shaped refractory brick of Limestone rotary kiln Download PDF

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Publication number
CN105819713B
CN105819713B CN201610412353.1A CN201610412353A CN105819713B CN 105819713 B CN105819713 B CN 105819713B CN 201610412353 A CN201610412353 A CN 201610412353A CN 105819713 B CN105819713 B CN 105819713B
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wedge
arch brick
brick
kiln body
tail end
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CN105819713A (en
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刘伟
王永新
张振风
韩小雷
王磊
王魁
周恩旭
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刘伟
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2/00Lime, magnesia or dolomite
    • C04B2/10Preheating, burning calcining or cooling
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515Shaped 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
    • C04B35/56Shaped 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
    • C04B35/565Shaped 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
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/66Monolithic refractories or refractory mortars, including those whether or not containing clay
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B7/00Rotary-drum furnaces, i.e. horizontal or slightly inclined
    • F27B7/20Details, accessories, or equipment peculiar to rotary-drum furnaces
    • F27B7/28Arrangements of linings
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3217Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3418Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3427Silicates other than clay, e.g. water glass
    • C04B2235/3463Alumino-silicates other than clay, e.g. mullite
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/349Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/42Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
    • C04B2235/422Carbon

Abstract

A kind of perpendicular wedge-shaped refractory brick of Limestone rotary kiln, it is made up of the port arch brick, kiln body arch brick and tail end arch brick of wedge structure, it is characterized in that, port arch brick is made up of wedge point and wedge bottom, the side of port arch brick is wedge-shaped end face, and sharp and wedge bottom the side of wedge is provided with the step with kiln body arch brick joint match;Wedge sharp building block and wedge bottom building block of the kiln body arch brick by integrative-structure are constituted, and the end of wedge point building block and wedge bottom building block is respectively equipped with the step with port arch brick, another kiln body arch brick or tail end arch brick joint match;Tail end arch brick is made up of the sharp chock of wedge and wedge bottom plug block, and the side of tail end arch brick is wedge-shaped tail surface, and the side of wedge point chock and wedge bottom plug block is provided with the step with kiln body arch brick joint match.With build by laying bricks or stones conveniently, the good effect that speed of application is fast, interface is smooth.

Description

A kind of perpendicular wedge-shaped refractory brick of Limestone rotary kiln
Technical field
The present invention relates to a kind of perpendicular wedge-shaped refractory brick for being used to build calcined limestone inner liner of rotary kiln layer by laying bricks or stones, belongs to refractory material Field;With anti-strip, anti-thermal shock, it is corrosion-resistant, wear-resistant, build by laying bricks or stones conveniently, the good good effect of airtight performance.
Background technology
The workspace of rotary kiln can be divided into three sections, i.e. drying and preheating section, calcining section, cooling section.For example:Cement, fire resisting The calcination rotary kilns such as material, oil well fracturing propping agents, lime.The effect of inner liner of rotary kiln brick is to ensure three works in stove Make area's temperature has reliable and stable physical property in the range of technological requirement;For example, anti-strip, anti-thermal shock, high RUL, resistance to Grind performance.In the prior art, inner liner of rotary kiln brick is divided into flame retardant coating and heat-insulation layer;The technological deficiency of presence is:Brick-building art During complicated, use, flame retardant coating and heat-insulation layer easily depart from, fire resisting and poor thermal insulation property, and service life is short, actual life For 8-10 months.Cause maintenance time length, production cost high, hence it is evident that the economic benefit of influence enterprise.
The content of the invention
It is an object of the invention to provide a kind of perpendicular wedge-shaped refractory brick for being used to build calcined limestone inner liner of rotary kiln layer by laying bricks or stones; With anti-strip, anti-thermal shock, it is corrosion-resistant, wear-resistant, build by laying bricks or stones conveniently, the good good effect of airtight performance, to overcome existing skill Defect present in art and deficiency.
To achieve the above object, present invention employs such technical scheme:The perpendicular wedge-shaped fire resisting of the Limestone rotary kiln Brick, is made up of the port arch brick, kiln body arch brick and tail end arch brick of wedge structure, it is characterised in that port arch brick by Wedge is sharp and wedge bottom is constituted, and the side of port arch brick is wedge-shaped end face, and sharp and wedge bottom the side of wedge is provided with and kiln body arch brick kiss Close the step of matching;Wedge sharp building block and wedge bottom building block of the kiln body arch brick by integrative-structure are constituted, wedge point building block and wedge bottom building block End be respectively equipped with step with port arch brick, another kiln body arch brick or tail end arch brick joint match;Tail end wedge Shape brick is made up of the sharp chock of wedge and wedge bottom plug block, and the side of tail end arch brick is wedge-shaped tail surface, wedge point chock and wedge bottom plug block Side is provided with the step with kiln body arch brick joint match.
The making raw material of the port arch brick, kiln body arch brick and tail end arch brick are respectively:Mullite, corundum, Carborundum, silicon powder, Guangxi white clay, carbon, expandable polystyrene.By preparation method system of the above-mentioned raw materials according to normal refractory brick Into perpendicular wedge-shaped refractory brick finished product.
The use for making raw material and parts by weight of port arch brick of the present invention, kiln body arch brick and tail end arch brick Amount, specification (specification refers to the granularity of each raw material), drawn by largely being put into practice and groping to summarize, each component consumption with Specification all has ideal effect in the scope.It is embodied in good anti-strip, anti-thermal shock, corrosion resistant Erosion, anti abrasive performance, and good airtight performance.Utilize port arch brick of the present invention, kiln body arch brick and tail end wedge The Limestone rotary kiln of shape brick masonry, finds through practical application, and average life is 3-5, is 1-2 times of like product. In addition, from the concrete structure of the present invention, and be verified in construction, with building by laying bricks or stones, convenience, speed of application are fast, dock The smooth good effect in face.
Brief description of the drawings
Fig. 1 is the front view of the concrete structure of port arch brick 1 of the present invention;
Fig. 2 is A direction views shown in Fig. 1;
Fig. 3 is B direction views shown in Fig. 2;
Fig. 4 is the front view of the concrete structure of kiln body arch brick 2 of the present invention;
Fig. 5 is A direction views shown in Fig. 4;
Fig. 6 is B direction views shown in Fig. 5;
Fig. 7 is the front view of the concrete structure of tail end arch brick 3 of the present invention;
Fig. 8 is A direction views shown in Fig. 7;
Fig. 9 is B direction views shown in Fig. 8;
Figure 10 is that the inner liner of rotary kiln layer built by laying bricks or stones using port arch brick 1, kiln body arch brick 2 and tail end arch brick 3 is specific Structural representation;
Figure 11 is A-A sectional views shown in Figure 10.
Embodiment
As illustrated, a kind of perpendicular wedge-shaped refractory brick of Limestone rotary kiln of the present invention, by the port wedge shape of wedge structure Brick 1, kiln body arch brick 2 and tail end arch brick 3 are constituted, it is characterised in that port arch brick 1 is made up of wedge point 11 and wedge bottom 12, The side of port arch brick 1 is wedge-shaped end face 10, and the side at wedge point 11 and wedge bottom 12 is provided with and the joint match of kiln body arch brick 2 Step;Wedge sharp building block 20 and wedge bottom building block 21 of the kiln body arch brick 2 by integrative-structure are constituted, wedge point building block 20 and wedge bottom building block 21 End be respectively equipped with step with port arch brick 1, another kiln body arch brick 2 or the joint match of tail end arch brick 3;Tail end Arch brick 3 is made up of the sharp chock 30 of wedge and wedge bottom plug block 31, and the side of tail end arch brick 3 is wedge-shaped tail surface 32, wedge point chock 30 Side with wedge bottom plug block 31 is provided with the step with the joint match of kiln body arch brick 2.
As shown in Figure 10, Figure 11, the cylinder built by laying bricks or stones using port arch brick 1, kiln body arch brick 2 and tail end arch brick 3 is justified Tubular Limestone rotary kiln inner liner, the two ends of Limestone rotary kiln inner liner are respectively port arch brick 1 and tail end arch brick 3 The flat end face of composition, center section is the kiln body arch brick 2 of continuous joint match;With combine it is tight, build by laying bricks or stones conveniently, construction The good effect that speed is fast, interface is smooth.
The port arch brick 1, the making raw material of kiln body arch brick 2 and tail end arch brick 3, specification and parts by weight difference It is:
1. 5-10 parts of mullite --- specification 3-5mm --- parts by weight;
2. 5-10 parts of corundum --- specification 2-3mm --- parts by weight;
3. 8-15 parts of carborundum --- specification 0.075-1mm --- parts by weight;
4. silicon powder --- 0.15-1.5 parts of parts by weight;
5. 5-10 parts of Guangxi white clay --- specification 0.088mm --- parts by weight;
6. carbon --- 2-5 parts of parts by weight;
7. expandable polystyrene --- 0.1-0.2 parts of parts by weight.
Perpendicular wedge-shaped refractory brick finished product is made according to the preparation method of normal refractory brick in above-mentioned raw materials.Port of the present invention Arch brick 1, the consumption of the making raw material of kiln body arch brick 2 and tail end arch brick 3 and parts by weight, (specification refers to each original to specification The granularity of material), drawn by largely being put into practice and groping to summarize, each component consumption and specification all have in the scope There is ideal effect.

Claims (1)

1. a kind of perpendicular wedge-shaped refractory brick of Limestone rotary kiln, by the port arch brick (1) of wedge structure, kiln body arch brick (2) and Tail end arch brick (3) is constituted, it is characterised in that port arch brick (1) is made up of wedge sharp (11) and wedge bottom (12), port arch brick (1) side is wedge-shaped end face (10), and the side of wedge point (11) and wedge bottom (12) is provided with and kiln body arch brick (2) joint match Step;Kiln body arch brick (2) is made up of the sharp building block (20) of wedge of integrative-structure and wedge bottom building block (21), wedge point building block (20) and wedge The end of bottom building block (21) is respectively equipped with kisses with port arch brick (1), another kiln body arch brick (2) or tail end arch brick (3) Close the step of matching;Tail end arch brick (3) is made up of the sharp chock (30) of wedge and wedge bottom plug block (31), and the one of tail end arch brick (3) Side is wedge-shaped tail surface (32), the side of wedge point chock (30) and wedge bottom plug block (31) provided with and kiln body arch brick (2) joint match Step.
CN201610412353.1A 2016-06-14 2016-06-14 A kind of perpendicular wedge-shaped refractory brick of Limestone rotary kiln Expired - Fee Related CN105819713B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107619205A (en) * 2017-10-11 2018-01-23 上海宝冶建设工业炉工程技术有限公司 Double thorax lime shaft kiln refractory lining combination units
IT202000002809A1 (en) * 2020-02-12 2021-08-12 Praha Global Consultancy Sro ROTATING OVEN, ESPECIALLY FOR THE TREATMENT OF WASTE

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2119051C3 (en) * 1971-04-20 1981-01-29 Brohltal-Deumag Ag Fuer Feuerfeste Erzeugnisse, 5401 Urmitz Refractory wedge
CN2581919Y (en) * 2002-11-01 2003-10-22 云南铝业股份有限公司 Lining for rotary kiln
CN2583596Y (en) * 2002-08-23 2003-10-29 张清泉 Folding wedge-type firebrick
CN202562277U (en) * 2012-05-17 2012-11-28 宜兴市海科耐火材料制品有限公司 Brick of spherical furnace top
CN205676367U (en) * 2016-06-14 2016-11-09 刘伟 A kind of Limestone rotary kiln erects wedge shape refractory brick

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2119051C3 (en) * 1971-04-20 1981-01-29 Brohltal-Deumag Ag Fuer Feuerfeste Erzeugnisse, 5401 Urmitz Refractory wedge
CN2583596Y (en) * 2002-08-23 2003-10-29 张清泉 Folding wedge-type firebrick
CN2581919Y (en) * 2002-11-01 2003-10-22 云南铝业股份有限公司 Lining for rotary kiln
CN202562277U (en) * 2012-05-17 2012-11-28 宜兴市海科耐火材料制品有限公司 Brick of spherical furnace top
CN205676367U (en) * 2016-06-14 2016-11-09 刘伟 A kind of Limestone rotary kiln erects wedge shape refractory brick

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