CN115108810A - Manufacturing method with protection effect for processing refractory bricks - Google Patents
Manufacturing method with protection effect for processing refractory bricks Download PDFInfo
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- CN115108810A CN115108810A CN202210615063.2A CN202210615063A CN115108810A CN 115108810 A CN115108810 A CN 115108810A CN 202210615063 A CN202210615063 A CN 202210615063A CN 115108810 A CN115108810 A CN 115108810A
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- brick
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- tinfoil
- green
- adobe
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- 239000011449 brick Substances 0.000 title claims abstract description 145
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 230000000694 effects Effects 0.000 title claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 57
- 239000004927 clay Substances 0.000 claims abstract description 48
- 239000002994 raw material Substances 0.000 claims abstract description 33
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000000843 powder Substances 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910001570 bauxite Inorganic materials 0.000 claims abstract description 17
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 12
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 11
- 239000010431 corundum Substances 0.000 claims abstract description 11
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 7
- 229910052903 pyrophyllite Inorganic materials 0.000 claims abstract description 5
- 238000002156 mixing Methods 0.000 claims description 24
- 238000001514 detection method Methods 0.000 claims description 17
- 238000001035 drying Methods 0.000 claims description 16
- 239000003595 mist Substances 0.000 claims description 13
- 238000010304 firing Methods 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 12
- 238000005507 spraying Methods 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000011049 filling Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 238000012216 screening Methods 0.000 claims description 4
- 239000002689 soil Substances 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 3
- 238000007605 air drying Methods 0.000 abstract description 3
- 239000000779 smoke Substances 0.000 abstract description 2
- 239000007921 spray Substances 0.000 abstract description 2
- 208000037656 Respiratory Sounds Diseases 0.000 abstract 1
- 230000002633 protecting effect Effects 0.000 abstract 1
- 239000011819 refractory material Substances 0.000 description 6
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000011451 fired brick Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000011452 unfired brick Substances 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/04—Clay; Kaolin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/243—Setting, e.g. drying, dehydrating or firing ceramic articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B19/00—Machines or methods for applying the material to surfaces to form a permanent layer thereon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/36—Linings or coatings, e.g. removable, absorbent linings, permanent anti-stick coatings; Linings becoming a non-permanent layer of the moulded article
-
- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/131—Inorganic additives
-
- 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
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—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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- 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
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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
- C04B2235/9669—Resistance against chemicals, e.g. against molten glass or molten salts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Dispersion Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention discloses a manufacturing method with a protection effect for processing refractory bricks, which comprises the following steps: selecting raw materials: 10-15 parts of hard clay, 50-60 parts of soft clay, 2-4 parts of corundum powder, 20-30 parts of bauxite chamotte, 5-10 parts of pyrophyllite fine powder, 2-4 parts of silicon dioxide ultrafine powder and clear water: tool preparation: rubbing crusher, the material sieve, the brick mould, the air dryer, the tinfoil, the blendor, material case and woven wire, this method adopts when the preparation adobe, the tinfoil is laid to four sides of inner wall in the brick mould, can play the guard action to the outside of adobe, prevent that the mar from appearing when the transportation of adobe, the protecting effect has been played, the quality of resistant firebrick and pleasing to the eye have been guaranteed, simultaneously the tinfoil can wrap up the adobe material tightly, spray water smoke in earlier stage when air-drying, can prevent that the crackle from appearing in the adobe, when making the adobe, woven wire is laid in the inside of adobe, can promote the toughness of adobe.
Description
Technical Field
The invention discloses a manufacturing method with a protection effect for processing refractory bricks, and belongs to the technical field of processing of refractory bricks.
Background
Refractory materials are generally divided into two categories, namely unshaped refractory and shaped refractory. The unshaped refractory material, also called as casting material, is a mixed powder granule composed of various aggregates or aggregates and one or more kinds of adhesives, and when in use, the unshaped refractory material must be matched with one or more kinds of liquids to be stirred uniformly, and has stronger fluidity. The shaped refractory material is generally a refractory brick, the shape of which has standard rules and can also be temporarily processed when being built and cut as required.
The firebricks are called firebricks for short. The refractory material is made by burning refractory clay or other refractory raw materials. Yellowish or brownish. The refractory brick is mainly used for bricking smelting furnaces and can resist the high temperature of 1580-1770 ℃. Also called fire brick. A shaped and sized refractory material. The brick is divided into fired brick, unfired brick, electric melting brick and refractory heat-insulating brick according to the preparation process; can be divided into standard bricks, common bricks, special shaped bricks, etc. according to the shape and size. Can be used as high-temperature building materials and structural materials for construction kilns and various thermal equipment, and can withstand various physicochemical changes and mechanical actions at high temperature, such as refractory clay bricks, high-alumina bricks, silica bricks, magnesia bricks and the like.
The existing method for manufacturing the refractory brick easily causes the surface of the refractory brick to have notches and scratches when the refractory brick is manufactured, seriously influences the attractiveness of the refractory brick, and the produced refractory brick is brittle and easy to break into a plurality of pieces when colliding, so that the protective performance of the refractory brick is poor.
Disclosure of Invention
The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a method for manufacturing a refractory brick having a protective effect for processing.
A manufacturing method with a protective effect for processing refractory bricks comprises the following steps:
s1, preparing raw materials and equipment:
(1) selecting raw materials: 10-15 parts of hard clay, 50-60 parts of soft clay, 2-4 parts of corundum powder, 20-30 parts of bauxite chamotte, 5-10 parts of pyrophyllite fine powder, 2-4 parts of silicon dioxide ultrafine powder and clear water;
(2) tool preparation: the device comprises a grinder, a material sieve, a brick die, an air dryer, tinfoil, a mixer, a material box and a wire mesh;
s2, pre-selecting raw materials:
(1) removing impurities in the bauxite clinker: crushing bauxite clinker by a crusher;
(2) and (3) filtering treatment: filtering the crushed bauxite clinker by using a material sieve, wherein the aperture of a mesh of the material sieve is 3.0 mm;
(3) smashing soft clay and hard clay: crushing the hard clay and the soft clay by a crusher, screening the crushed soft clay and the hard clay by a material screen, and removing soil blocks in the soft clay and the hard clay;
s3, preparing a green brick: .
(1) Mixing raw materials: pouring the prepared raw materials into a mixer for mixing, after mixing for 30min, pouring the mixed materials into a mixing roll, adding clear water for mixing, statically mixing for 25 min until no pug or dry materials are obtained in the materials, and transferring the mixed materials into a material box for placing;
(2) material die filling: cleaning a brick mold, paving tinfoil on the inner wall of the brick mold, pouring the mixed raw materials into the brick mold, paving a metal wire mesh when pouring the mixed raw materials into 1/3 parts of the mold, then paving the metal wire mesh after pouring 1/3 parts of the mixed raw materials, and finally pouring the mold to be full;
s4, drying the green bricks: placing the formed green brick in a cool and ventilated place, spraying water mist on the surface of the green brick every 6 hours, spraying for 3 times, then not spraying, airing for 2-3 days, placing the aired green brick into a drying kiln, firstly placing the dried green brick at a low temperature of 28-35 ℃ for drying for 3-4 days, and then moving the dried green brick to a high temperature of 55-68 ℃ for forced drying for 9-16 days;
s5, green brick firing: removing the tinfoil on the outer side of the dried green brick, and feeding the green brick into a brick kiln for firing;
s6, finished product detection: and detecting the fired refractory bricks.
Preferably, the thickness of the wire mesh of the S1 substep is 1.0 to 1.5mm, and the thickness of the tinfoil is 0.8 to 1.2 mm.
Preferably, the corundum powder and the silicon dioxide superfine powder in the step S1 are both ground into fine powder by a Raymond mill.
Preferably, the time for placing the mixed materials in the material box in the step S3 is not more than 60min, the tinfoil is laid along four sides of the inner wall of the brick mold, and the tinfoil is not laid on the bottom surface of the inner side of the brick mold.
Preferably, when the water mist is sprayed on the green bricks in the step S4, the water mist is sprayed from the top surfaces of the green bricks uniformly, and the amount of water sprayed each time is not more than 20 ml.
Preferably, the firing temperature of the green brick in the step S5 is maintained at 1350-1400 ℃.
Preferably, the detecting of the firebricks in the step S6 includes: the size of the refractory brick, the hardness of the refractory brick and high temperature resistance, wherein the hardness detection and the high temperature resistance detection are sample detection.
Compared with the prior art, the invention has the following beneficial effects:
this method adopts the cooperation proportion through the soft clay and the stereoplasm clay that change in resistant firebrick, can make adobe shaping more firm, add proper amount corundum powder and silica submicron powder in resistant firebrick formula simultaneously, can promote resistant high temperature of resistant firebrick, corrosion-resistant, performance such as high strength, simultaneously when making the adobe, tinfoil is laid to four sides of inner wall in the brick mould, can play the guard action to the outside of adobe, prevent that the adobe from appearing the mar when transporting, protective effect has been played, the quality and the pleasing to the eye of resistant firebrick has been guaranteed, simultaneously tinfoil can wrap up the adobe tightly, spray water smoke in earlier stage when air-drying, can prevent that the adobe from appearing the crack, when making the adobe, lay wire mesh in the inside of adobe, can promote the toughness of adobe, prevent resistant firebrick smashes when the collision.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
A manufacturing method with a protective effect for processing refractory bricks comprises the following steps:
s1, preparing raw materials and equipment:
(1) selecting raw materials: 10 parts of hard clay, 50 parts of soft clay, 2 parts of corundum powder, 20 parts of bauxite chamotte, 5 parts of pyrophyllite fine powder, 2 parts of silicon dioxide ultrafine powder and clear water;
(2) preparing a tool: the device comprises a grinder, a material sieve, a brick die, an air dryer, tinfoil, a mixer, a material box and a wire mesh;
s2, pre-selecting raw materials:
(1) removing impurities in the bauxite clinker: crushing bauxite clinker by a crusher;
(2) and (3) filtering treatment: filtering the crushed bauxite clinker by using a material sieve, wherein the aperture of a mesh of the material sieve is 3.0 mm;
(3) smashing soft clay and hard clay: crushing the hard clay and the soft clay by a crusher, screening the crushed soft clay and the hard clay by a material screen, and removing soil blocks in the soft clay and the hard clay;
s3, preparing a green brick: .
(1) Mixing raw materials: pouring the prepared raw materials into a mixer for mixing, after mixing for 30min, pouring the mixed materials into a mixing roll, adding clear water for mixing, statically mixing for 25 min until no pug or dry materials are obtained in the materials, and transferring the mixed materials into a material box for placing;
(2) material die filling: cleaning a brick mold, paving tinfoil on the inner wall of the brick mold, pouring the mixed raw materials into the brick mold, paving a metal wire mesh when pouring the mixed raw materials into 1/3 parts of the mold, then paving the metal wire mesh after pouring 1/3 parts of the mixed raw materials, and finally pouring the mold to be full;
s4, drying the green bricks: placing the formed green brick in a cool and ventilated place, spraying water mist on the surface of the green brick every 6 hours, spraying for 3 times, then not spraying, airing for 3 days, placing the aired green brick into a drying kiln, firstly placing the dried green brick at a low temperature of 28-35 ℃ for drying for 3 days, and then moving the dried green brick to a high temperature of 55-68 ℃ for forced drying for 12 days;
s5, green brick firing: removing the tinfoil on the outer side of the dried green brick, and feeding the green brick into a brick kiln for firing;
s6, finished product detection: and detecting the fired refractory bricks.
Wherein the thickness of the wire mesh of the S1 substep is 1.0-1.5mm, and the thickness of the tinfoil is 0.8-1.2 mm.
Wherein, in the step S1, the corundum powder and the silicon dioxide superfine powder are both grinded into fine powder by a Raymond mill.
And (3) placing the mixed materials in the material box in the step S3 for not more than 60min, paving the tinfoil along four sides of the inner wall of the brick mold, and not paving the tinfoil on the bottom surface of the inner side of the brick mold.
Wherein, when the water mist is sprayed on the green bricks in the S4 steps, the water mist is sprayed on the top surface of the green bricks uniformly, and the water amount sprayed each time is not more than 20 ml.
Further, the firing temperature of the green brick in the step S5 is maintained at 1350-1400 ℃.
Further, the detecting of the firebrick in the step S6 includes: the size of the refractory brick, the hardness of the refractory brick and high temperature resistance, wherein the hardness detection and the high temperature resistance detection are sampling detection.
Example two
A manufacturing method with a protective effect for processing refractory bricks comprises the following steps:
s1, preparing raw materials and equipment:
(1) selecting raw materials: 15 parts of hard clay, 60 parts of soft clay, 4 parts of corundum powder, 30 parts of bauxite chamotte, 10 parts of pyrophyllite fine powder, 4 parts of silicon dioxide ultrafine powder and clear water;
(2) tool preparation: the device comprises a grinder, a material sieve, a brick mould, an air dryer, tinfoil, a mixer, a material box and a metal wire mesh;
s2, pre-selecting raw materials:
(1) removing impurities in the bauxite clinker: crushing bauxite clinker by a crusher;
(2) and (3) filtering treatment: filtering the crushed bauxite clinker by using a material sieve, wherein the aperture of a mesh of the material sieve is 3.0 mm;
(3) smashing soft clay and hard clay: crushing the hard clay and the soft clay by a crusher, screening the crushed soft clay and the hard clay by a material screen, and removing soil blocks in the soft clay and the hard clay;
s3, preparing a green brick: .
(1) Mixing raw materials: pouring the prepared raw materials into a mixer for mixing, after mixing for 30min, pouring the mixed materials into a mixing roll, adding clear water for mixing, statically mixing for 25 min until no pug or dry materials are obtained in the materials, and transferring the mixed materials into a material box for placing;
(2) material die filling: cleaning a brick mold, paving tinfoil on the inner wall of the brick mold, pouring the mixed raw materials into the brick mold, paving a metal wire mesh when pouring the mixed raw materials into 1/3 parts of the mold, then paving the metal wire mesh after pouring 1/3 parts of the mixed raw materials, and finally pouring the mold to be full;
s4, drying the green brick: placing the formed green bricks in a shady and ventilated place, spraying water mist on the surfaces of the green bricks every 6 hours, spraying for 3 times, then not spraying, airing for 3 days, placing the aired green bricks into a drying kiln, firstly placing the dried green bricks at a low temperature of 28-35 ℃ for drying for 3 days, and then moving the dried green bricks to a high temperature of 55-68 ℃ for forced drying for 12 days;
s5, green brick firing: removing the tinfoil on the outer side of the dried green brick, and feeding the green brick into a brick kiln for firing;
s6, finished product detection: and detecting the fired refractory bricks.
Wherein the thickness of the wire mesh of the S1 substep is 1.0-1.5mm, and the thickness of the tinfoil is 0.8-1.2 mm.
Wherein, in the step S1, the corundum powder and the silicon dioxide superfine powder are both grinded into fine powder by a Raymond mill.
And (3) placing the mixed materials in the material box in the step S3 for not more than 60min, paving the tinfoil along four sides of the inner wall of the brick mold, and not paving the tinfoil on the bottom surface of the inner side of the brick mold.
Wherein, when the water mist is sprayed on the green bricks in the S4 steps, the water mist is sprayed on the top surface of the green bricks uniformly, and the water amount sprayed each time is not more than 20 ml.
Further, the firing temperature of the green brick in the step S5 is kept at 1350-1400 ℃.
Further, the detecting of the firebrick in the step S6 includes: the size of the refractory brick, the hardness of the refractory brick and high temperature resistance, wherein the hardness detection and the high temperature resistance detection are sampling detection.
The method adopts the method of changing the matching proportion of the soft clay and the hard clay in the refractory brick, the green brick can be molded more firmly, meanwhile, a proper amount of corundum powder and silica ultrafine powder are added into the formula of the refractory brick, the high temperature resistance, corrosion resistance, high strength and other performances of the refractory brick can be improved, meanwhile, when the green brick is manufactured, tinfoil is laid on four sides of the inner wall in a brick mold, the protection effect can be played on the outer side of the green brick, scratches of the green brick during transportation are prevented, the protection effect is achieved, the quality and the attractiveness of the refractory brick are guaranteed, meanwhile, the green brick can be tightly wrapped by the tinfoil, water mist is sprayed in the early stage during air drying, cracks of the green brick can be prevented, when the green brick is manufactured, a metal wire mesh is laid in the interior of the green brick, the toughness of the green brick can be improved, and the refractory brick is prevented from being crushed during collision.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A manufacturing method with a protection effect for processing refractory bricks is characterized in that: the method comprises the following steps:
s1, preparing raw materials and equipment:
(1) selecting raw materials: 10-15 parts of hard clay, 50-60 parts of soft clay, 2-4 parts of corundum powder, 20-30 parts of bauxite chamotte, 5-10 parts of pyrophyllite fine powder, 2-4 parts of silicon dioxide ultrafine powder and clear water;
(2) preparing a tool: the device comprises a grinder, a material sieve, a brick die, an air dryer, tinfoil, a mixer, a material box and a wire mesh;
s2, pre-selection of raw materials:
(1) removing impurities in the bauxite clinker: crushing bauxite clinker by a crusher;
(2) and (3) filtering treatment: filtering the crushed bauxite clinker by using a material sieve, wherein the aperture of a mesh of the material sieve is 3.0 mm;
(3) smashing soft clay and hard clay: crushing hard clay and soft clay by a crusher, screening the crushed soft clay and hard clay by a material screen, and removing soil blocks in the soft clay and hard clay;
s3, preparing a green brick: .
(1) Mixing raw materials: pouring the prepared raw materials into a mixer for mixing, after mixing for 30min, pouring the mixed materials into a mixing roll, adding clear water for mixing, statically mixing for 25 min until no pug or dry materials are obtained in the materials, and transferring the mixed materials into a material box for placing;
(2) material die filling: cleaning a brick mould, paving tinfoil on the inner wall of the brick mould, pouring the mixed raw materials into the brick mould, paving a metal wire mesh when the mixed raw materials are poured into 1/3 of the mould, then paving the metal wire mesh after 1/3 is poured into the mould, and finally pouring the mould;
s4, drying the green bricks: placing the formed green bricks in a shady and ventilated place, spraying water mist on the surfaces of the green bricks every 6 hours, spraying for 3 times, then not spraying, airing for 2-3 days, placing the aired green bricks into a drying kiln, firstly placing the dried green bricks at a low temperature of 28-35 ℃ for drying for 3-4 days, and then moving the dried green bricks to a high temperature of 55-68 ℃ for forced drying for 9-16 days;
s5, green brick firing: removing the tinfoil on the outer side of the dried green brick, and feeding the green brick into a brick kiln for firing;
s6, finished product detection: and detecting the fired refractory bricks.
2. The manufacturing method with protective effect for processing refractory brick as claimed in claim 1, wherein: the thickness of the wire mesh of the S1 substep is 1.0-1.5mm, and the thickness of the tinfoil is 0.8-1.2 mm.
3. The manufacturing method with protective effect for processing refractory brick as claimed in claim 1, wherein: and in the step S1, the corundum powder and the silicon dioxide superfine powder are both ground into fine powder by a Raymond mill.
4. The manufacturing method with protective effect for processing refractory brick as claimed in claim 1, wherein: and in the step S3, the time for placing the mixed materials in the material box is not more than 60min, the tinfoil is laid along the four sides of the inner wall of the brick mould, and the tinfoil is not laid on the bottom surface of the inner side of the brick mould.
5. The manufacturing method with protective effect for processing refractory brick as claimed in claim 1, wherein: and when the water mist is sprayed on the green bricks in the S4 step, the water mist is sprayed from the top surfaces of the green bricks uniformly, and the amount of water sprayed each time is not more than 20 ml.
6. The manufacturing method with protective effect for processing refractory brick as claimed in claim 1, wherein: the firing temperature of the green brick in the step S5 is maintained at 1350-1400 ℃.
7. The manufacturing method with protective effect for processing refractory brick as claimed in claim 1, wherein: the detection of the firebricks in the step S6 includes: the size of the refractory brick, the hardness of the refractory brick and high temperature resistance, wherein the hardness detection and the high temperature resistance detection are sample detection.
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