CN108046781A - High-strength ceramsite sand preparation process - Google Patents
High-strength ceramsite sand preparation process Download PDFInfo
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- CN108046781A CN108046781A CN201711496288.6A CN201711496288A CN108046781A CN 108046781 A CN108046781 A CN 108046781A CN 201711496288 A CN201711496288 A CN 201711496288A CN 108046781 A CN108046781 A CN 108046781A
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- 239000004576 sand Substances 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 238000003756 stirring Methods 0.000 claims abstract description 27
- 235000013339 cereals Nutrition 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 15
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 14
- 239000011265 semifinished product Substances 0.000 claims abstract description 13
- 239000000843 powder Substances 0.000 claims abstract description 10
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 9
- 235000013312 flour Nutrition 0.000 claims abstract description 9
- 239000004615 ingredient Substances 0.000 claims abstract description 9
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 9
- 239000011572 manganese Substances 0.000 claims abstract description 9
- 229940037003 alum Drugs 0.000 claims abstract description 7
- 229910001570 bauxite Inorganic materials 0.000 claims abstract description 7
- 238000007598 dipping method Methods 0.000 claims abstract description 7
- 229910052845 zircon Inorganic materials 0.000 claims abstract description 7
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 claims abstract description 7
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Inorganic materials [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 claims abstract description 6
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims abstract description 6
- CSSYLTMKCUORDA-UHFFFAOYSA-N barium(2+);oxygen(2-) Chemical compound [O-2].[Ba+2] CSSYLTMKCUORDA-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000010428 baryte Substances 0.000 claims abstract description 6
- 229910052601 baryte Inorganic materials 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 9
- 239000003232 water-soluble binding agent Substances 0.000 claims description 9
- 241000628997 Flos Species 0.000 claims description 7
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 7
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 6
- 239000013589 supplement Substances 0.000 claims description 6
- 239000004927 clay Substances 0.000 claims description 5
- 239000011435 rock Substances 0.000 claims description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
- 239000011398 Portland cement Substances 0.000 claims description 3
- 238000010304 firing Methods 0.000 claims description 3
- 230000002045 lasting effect Effects 0.000 claims description 3
- 238000002803 maceration Methods 0.000 claims description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- SCPYDCQAZCOKTP-UHFFFAOYSA-N silanol Chemical compound [SiH3]O SCPYDCQAZCOKTP-UHFFFAOYSA-N 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 17
- 229910052593 corundum Inorganic materials 0.000 abstract description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 abstract description 2
- 229910052681 coesite Inorganic materials 0.000 abstract description 2
- 239000010431 corundum Substances 0.000 abstract description 2
- 229910052906 cristobalite Inorganic materials 0.000 abstract description 2
- 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 abstract description 2
- 238000002156 mixing Methods 0.000 abstract description 2
- 229910052863 mullite Inorganic materials 0.000 abstract description 2
- 239000000377 silicon dioxide Substances 0.000 abstract description 2
- 235000012239 silicon dioxide Nutrition 0.000 abstract description 2
- 229910052682 stishovite Inorganic materials 0.000 abstract description 2
- 229910052905 tridymite Inorganic materials 0.000 abstract description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 239000002893 slag Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 230000006911 nucleation Effects 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- -1 shale Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000004162 soil erosion Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
-
- 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
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3215—Barium oxides or oxide-forming salts thereof
-
- 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
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3244—Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof
-
- 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
- C04B2235/3262—Manganese oxides, manganates, rhenium oxides or oxide-forming salts thereof, e.g. MnO
-
- 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
- C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3272—Iron oxides or oxide forming salts thereof, e.g. hematite, magnetite
-
- 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
- C04B2235/3427—Silicates other than clay, e.g. water glass
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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
- C04B2235/40—Metallic constituents or additives not added as binding phase
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/448—Sulphates or sulphites
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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
- C04B2235/48—Organic compounds becoming part of a ceramic after heat treatment, e.g. carbonising phenol resins
- C04B2235/483—Si-containing organic compounds, e.g. silicone resins, (poly)silanes, (poly)siloxanes or (poly)silazanes
Abstract
The present invention discloses a kind of high-strength ceramsite sand preparation process, following ingredient is chosen by weight first to be dried and crush, 90 parts of bauxite raw material, 28 parts of barite, 0.3 1.0 parts of alum, 36 parts of iron oxide, 13 parts of manganese ore mountain flour, 0.2 0.5 parts of zircon sand, 14 parts of barium monoxide wear into mixing after fine powder crosses the choosing of 300 mesh sieves and form PRIMARY STIRRING material respectively.Then uniform coarse grain is quickly formed on sieve is rocked, then is taken out after coarse grain is immersed in dipping liquid pool, continues stirring stirring and round shaped grain semi-finished product idiosome is made.Then it is fired.Each components compatibility of selected raw material of the present invention is reasonable, the manganese ore mountain flour wherein used contributes to ceramsite sand blank under rotary kiln hot conditions, contained Al2O3 and SiO2 in blank is promoted to react, other each ingredients are catalyzed, so as to form more mullite phases and part corundum phase, and then realize the purpose for the compressive resistance for improving ceramsite propping agent.
Description
Technical field
The present invention relates to ceramsite sand fabricating technology fields, and in particular to a kind of high intensity high efficiency prepares ceramsite sand
Technique.
Background technology
Haydite is a kind of artificial lightweight aggregate, and shell is hard, and inside has micro- porous ceramic shot-like particle, it has good guarantor
Warm thermal insulation, has excellent fire-resistance, and there is the glaze layer that one layer of water proof protects gas on surface, and water absorption rate is low, and impervious shock resistance is good, anti-freezing property and
Endurance quality is good, has excellent physics, chemistry and hydraulic characteristic(s).The shortcomings that in order to improve above-mentioned air entrained concrete, some factories
Family adds haydite into air entrained concrete, not only increases the skeleton structure of concrete, and can effectively keep aerating and mix
The advantage of soil is coagulated, its common quality defect is overcome, gives full play of high-strength characteristic, reduce the consumption of the energy.But due to haydite
It is a kind of hollow aglite, in whipping process, since the ratio of slurry is great, haydite easily floats, and causes to be unevenly distributed
It is even, product defects is formed, on the other hand, since the self-strength of haydite aggregate is relatively low, breakage is also easy to produce in whipping process, this is not
Itself water absorption rate of haydite is increased only, and also reduces product heat-insulating property.
In the preparation process of current existing haydite, mainly with clay, shale, flyash, colliery overburden, loess, dirt
Mud etc. is made of primary raw material.Due to excavating clay, shale, loess, sludge etc., soil erosion can be caused, environmental pollution destroys
Therefore the ecological balance, is not suitable for promoting and applying.On the other hand, the remaining industrial waste of chemical enterprise and slag, such as aluminium manufacturer give up
Slag or sulfuric acid waste Aluminum slag and gangue and flyash etc., it is impossible to be effectively addressed and resource recycling.
The content of the invention
The present invention is of high cost for raw material in existing ceramsite preparation process, the problems such as being easily destroyed environment, and providing one kind can
To provide the ceramsite preparation process of haydite intensity.
In order to solve the above technical problems, it adopts the following technical scheme that：A kind of high-strength ceramsite sand preparation process, including as follows
Step.
（1）It is prepared by raw material：It chooses following ingredient by weight to be dried and crush, 90 parts of bauxite raw material, weight is brilliant
2-8 parts of stone, 0.3-1.0 parts of alum, 3-6 parts of iron oxide, 1-3 parts of manganese ore mountain flour, 0.2-0.5 parts of zircon sand, 1-4 parts of barium monoxide,
Mixing after fine powder crosses the choosing of 300 mesh sieves is worn into respectively forms PRIMARY STIRRING material.
（2）PRIMARY STIRRING material using 5% water is atomized, and adds 0.2~0.5% water-soluble binder, on sieve is rocked
Uniform coarse grain is quickly formed, subject to 200 mesh of granularity；The sieve that rocks includes pedestal and sieve nest and driving mechanism：Pedestal passes through
Driving rotating mechanism is equipped with rotating turret, sets bearing in the one side on rotating turret top, bearing upper end is hinged on sieve nest bottom；
The other end on rotating turret top is fixed with vertical guide sleeve, in the guide sleeve matching be set with push-pull rod, push-pull rod it is upper
End is hinged on sieve nest bottom；Oscillating motor is also equipped on the adjustable shelf, bias is installed in the shaft of the oscillating motor
Axis turntable, the eccentric position on the eccentric shaft turntable are fixed with eccentric shaft, and the lower end of the push-pull rod is hinged with a swing rod,
The lower end of swing rod is hinged on eccentric shaft.
（3）First prepare weight percent for 0.1%~methyl silanol sodium solution O.5%, then add in weight percent
For 10%~30% portland cement, maceration extract is configured to.
（4）By step（2）Coarse grain be immersed in dipping liquid pool in is kept for 1~2 second after take out, by after dipping coarse grain add in make
While secondary stirring is carried out in grain machine, and continues to add PRIMARY STIRRING material, lasting supplement addition clay powder common 10-20 parts and zinc
Powder is 2-5 parts common, is atomized using 5% water, and adds 0.1~0.5% water-soluble binder, is stirred continuously until that granularity increases to 10
The secondary semi-finished product of~30 mesh.
（5）Stop adding powder and stop atomized water and water-soluble binder supplement, be continuously added into 1-2 parts of zinc powder and stir 30 minutes
After stop zincification, continue stirring stirring 3~5 it is small when, round shaped grain semi-finished product idiosome is made.
（6）It is sent after 8-30 mesh screens to rotary kiln firing after taking out semi-finished product idiosome.
（7）It fires：After semi-finished product idiosome is entered kiln, first 300~500 are heated to 20~30 DEG C/min in kiln hood position
DEG C, it keeps carrying out decarbonizing process in 10~30 minutes；Temperature of kiln head is promoted again is heated to 1300-1400 DEG C with 10~20 DEG C/min,
300-350 DEG C of kiln end temperature, heat preservation carry out process of guaranteeing the quality in 90 minutes or more.
（8）Cool down kiln discharge.
Further, the PRIMARY STIRRING material chooses following ingredient and is dried and crushes by weight, bauxite life
90 parts of material, 4-6 parts of barite, 0.5-0.8 parts of alum, 3-5 parts of iron oxide, 2-3 parts of manganese ore mountain flour, 0.3-0.5 parts of zircon sand, oxygen
Change 2-4 parts of barium.
Strainer is horizontally arranged on the inside of the sieve nest, the region on the upside of strainer is that qualified blank screens room, is located at
Region on the downside of strainer is particle collecting chamber, and the one side for screening room and collecting chamber is respectively arranged with blank floss hole and particle row
Put mouth.
The sieve nest is mounted on the eccentric position of adjustable shelf, i.e. the axial direction of sieve nest and the axial rotary of adjustable shelf is misaligned.
Advantageous effect：Each components compatibility of selected raw material of the present invention is reasonable, wherein the manganese ore mountain flour used contributes to ceramsite sand
Blank promotes contained Al2O3 and SiO2 in blank to react, other each ingredients is urged under rotary kiln hot conditions
Change, so as to form more mullite phases and part corundum phase, and then realize the compressive resistance for improving ceramsite propping agent
Purpose.
The present invention saves nucleation time, improves granulating effect using sieve is rocked first by small part elder generation fast nucleation in raw material
Rate.The wherein used sieve that rocks can keep in sieve nest sub-material and small core also to have to pitch and shake in the process of rotation
The effect of rolling can make sieve nest periphery have a side position to be less than there are one always all after being combined by turning effort and the effect of rocking
The region on side, and low level and high-order alternate process can all occur in the periphery of sieve nest, so as to be especially advantageous for the mistake of initial stage granulating
Journey.
In sintering procedure, repeatedly different degrees of burning process is taken respectively, improves sintering strength and performance.So as to this
Invention improves density, intensity and the hydrophobicity of haydite, and pellet surface is smooth, and effect is very good.
Description of the drawings
Fig. 1 is to rocking sieve structure schematic diagram involved in the present invention.
Figure label：1 is pedestal, and 2 be driving rotating mechanism, and 3 be rotating turret, and 4 be oscillating motor, and 5 be eccentric shaft turntable,
6 be swing rod, and 7 be push-pull rod, and 8 be guide sleeve, and 9 be sieve nest, and 10 be strainer, and 11 be particle collecting chamber, and 12 be blank floss hole, 13
It is bearing for particle floss hole, 14.
Specific embodiment
Embodiment 1：A kind of high-strength ceramsite sand preparation process, includes the following steps：
（1）It is prepared by raw material：It chooses following ingredient by weight to be dried and crush, 90 parts of bauxite raw material, barite 2-8
Part, 0.3-1.0 parts of alum, 3-6 parts of iron oxide, 1-3 parts of manganese ore mountain flour, 0.2-0.5 parts of zircon sand, 1-4 parts of barium monoxide are ground respectively
It crosses after the choosing of 300 mesh sieves to be mixed into fine powder and forms PRIMARY STIRRING material.
（2）PRIMARY STIRRING material using 5% water is atomized, and adds 0.2~0.5% water-soluble binder, on sieve is rocked
Uniform coarse grain is quickly formed, subject to 200 mesh of granularity.
The sieve that rocks includes pedestal and sieve nest and driving mechanism, and shown in Figure 1, pedestal is by driving whirler
Structure is equipped with rotating turret, sets bearing in the one side on rotating turret top, bearing upper end is hinged on sieve nest bottom；On rotating turret top
The other end be fixed with vertical guide sleeve, in the guide sleeve matching be set with push-pull rod, the upper end of push-pull rod is hinged on sieve
Body bottom；Oscillating motor is also equipped on the adjustable shelf, eccentric shaft turntable is installed, at this in the shaft of the oscillating motor
Eccentric position on eccentric shaft turntable is fixed with eccentric shaft, and the lower end of the push-pull rod is hinged with a swing rod, the lower end of swing rod
It is hinged on eccentric shaft.
（3）First prepare weight percent for 0.1%~methyl silanol sodium solution O.5%, then add in weight percent
For 10%~30% portland cement, maceration extract is configured to.
（4）By step（2）Coarse grain be immersed in dipping liquid pool in is kept for 1~2 second after take out, by after dipping coarse grain add in make
While secondary stirring is carried out in grain machine, and continues to add PRIMARY STIRRING material, lasting supplement addition clay powder common 10-20 parts and zinc
Powder is 2-5 parts common, is atomized using 5% water, and adds 0.1~0.5% water-soluble binder, is stirred continuously until that granularity increases to 10
The secondary semi-finished product of~30 mesh.
（5）Stop adding powder and stop atomized water and water-soluble binder supplement, be continuously added into 1-2 parts of zinc powder and stir 30 minutes
After stop zincification, continue stirring stirring 3~5 it is small when, round shaped grain semi-finished product idiosome is made.
（6）It is sent after 8-30 mesh screens to rotary kiln firing after taking out semi-finished product idiosome.
（7）It fires：After semi-finished product idiosome is entered kiln, first 300~500 are heated to 20~30 DEG C/min in kiln hood position
DEG C, it keeps carrying out decarbonizing process in 10~30 minutes；Temperature of kiln head is promoted again is heated to 1300-1400 DEG C with 10~20 DEG C/min,
300-350 DEG C of kiln end temperature, heat preservation carry out process of guaranteeing the quality in 90 minutes or more.
（8）Cool down kiln discharge.
Embodiment 2：On the basis of embodiment 1, the PRIMARY STIRRING material that is related to is chosen following ingredient and is done by weight
It is dry and broken, 90 parts of bauxite raw material, 4-6 parts of barite, 0.5-0.8 parts of alum, 3-5 parts of iron oxide, 2-3 parts of manganese ore mountain flour,
0.3-0.5 parts of zircon sand, 2-4 parts of barium monoxide.
Embodiment 3：On the basis of embodiment 1, strainer is horizontally arranged on the inside of sieve nest, the region on the upside of strainer is
Qualified blank screens room, and the region on the downside of strainer is particle collecting chamber, and the one side for screening room and collecting chamber is respectively arranged with
Blank floss hole and particle floss hole.
Embodiment 4：On the basis of embodiment 1, the sieve nest be mounted on adjustable shelf eccentric position, i.e., the axial direction of sieve nest and
The axial rotary of adjustable shelf is misaligned.At this point, overturning amplitude can be significantly improved.
Claims (4)
1. a kind of high-strength ceramsite sand preparation process, which is characterized in that include the following steps：
（1）It is prepared by raw material：It chooses following ingredient by weight to be dried and crush, 90 parts of bauxite raw material, barite 2-8
Part, 0.3-1.0 parts of alum, 3-6 parts of iron oxide, 1-3 parts of manganese ore mountain flour, 0.2-0.5 parts of zircon sand, 1-4 parts of barium monoxide are ground respectively
It crosses after the choosing of 300 mesh sieves to be mixed into fine powder and forms PRIMARY STIRRING material；
（2）PRIMARY STIRRING material using 5% water is atomized, and adds 0.2~0.5% water-soluble binder, it is quick on sieve is rocked
Uniform coarse grain is formed, subject to 200 mesh of granularity；The sieve that rocks includes pedestal and sieve nest and driving mechanism：Pedestal passes through driving
Rotating mechanism is equipped with rotating turret, sets bearing in the one side on rotating turret top, bearing upper end is hinged on sieve nest bottom；It is rotating
The other end on frame top is fixed with vertical guide sleeve, is matched in the guide sleeve and is set with push-pull rod, the upper end hinge of push-pull rod
It is connected on sieve nest bottom；Oscillating motor is also equipped on the adjustable shelf, eccentric shaft in the shaft of the oscillating motor is installed and is turned
Disk, the eccentric position on the eccentric shaft turntable are fixed with eccentric shaft, and the lower end of the push-pull rod is hinged with a swing rod, swing rod
Lower end be hinged on eccentric shaft；
（3）First prepare weight percent for 0.1%~methyl silanol sodium solution O.5%, then adding in weight percent is
10%~30% portland cement, is configured to maceration extract；
（4）By step（2）Coarse grain be immersed in dipping liquid pool in is kept for 1~2 second after take out, by after dipping coarse grain addition granulator
It is middle to carry out secondary stirring, and while continue to add PRIMARY STIRRING material, lasting common 10-20 parts of supplement addition clay powder is total to zinc powder
It 2-5 parts, is atomized using 5% water, and adds 0.1~0.5% water-soluble binder, be stirred continuously until that granularity increases to 10~30
Purpose secondary semi-finished product；
（5）Stop adding powder and stop atomized water and water-soluble binder supplement, stop after being continuously added into the stirring 30 minutes of 1-2 parts of zinc powder
Only zincification, continue stirring stirring 3~5 it is small when, round shaped grain semi-finished product idiosome is made；
（6）It is sent after 8-30 mesh screens to rotary kiln firing after taking out semi-finished product idiosome；
（7）It fires：After semi-finished product idiosome is entered kiln, 300~500 DEG C first are heated to 20~30 DEG C/min in kiln hood position, is protected
It holds 10~30 minutes and carries out decarbonizing process；Temperature of kiln head is promoted again is heated to 1300-1400 DEG C with 10~20 DEG C/min, kiln tail
300-350 DEG C of temperature, heat preservation carry out process of guaranteeing the quality in 90 minutes or more；
（8）Cool down kiln discharge.
2. high-strength ceramsite sand preparation process according to claim 1, which is characterized in that PRIMARY STIRRING material is by weight
It chooses following ingredient to be dried and crush, 90 parts of bauxite raw material, 4-6 parts of barite, 0.5-0.8 parts of alum, iron oxide 3-5
Part, 2-3 parts of manganese ore mountain flour, 0.3-0.5 parts of zircon sand, 2-4 parts of barium monoxide.
3. high-strength ceramsite sand preparation process according to claim 1, which is characterized in that laterally set on the inside of the sieve nest
Strainer is equipped with, the region on the upside of strainer is that qualified blank screens room, and the region on the downside of strainer is particle collecting chamber, is sieved
Room and the one side of collecting chamber is selected to be respectively arranged with blank floss hole and particle floss hole.
4. high-strength ceramsite sand preparation process according to claim 1, which is characterized in that the sieve nest is mounted on adjustable shelf
Eccentric position, i.e. the axial direction of sieve nest and the axial rotary of adjustable shelf be misaligned.
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| CN114273224A (en) * | 2021-12-27 | 2022-04-05 | 程建中 | Wet soft viscidity granule material letter sorting equipment |
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