CN108947474A - A kind of petroleum coke calciners of good heat conductivity tank skin brick and preparation method thereof - Google Patents
A kind of petroleum coke calciners of good heat conductivity tank skin brick and preparation method thereof Download PDFInfo
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- CN108947474A CN108947474A CN201810879927.5A CN201810879927A CN108947474A CN 108947474 A CN108947474 A CN 108947474A CN 201810879927 A CN201810879927 A CN 201810879927A CN 108947474 A CN108947474 A CN 108947474A
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- tank skin
- petroleum coke
- good heat
- heat conductivity
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- 239000011449 brick Substances 0.000 title claims abstract description 68
- 239000002006 petroleum coke Substances 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title claims abstract description 27
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 56
- 239000000843 powder Substances 0.000 claims abstract description 49
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 28
- 239000000919 ceramic Substances 0.000 claims abstract description 26
- 239000002994 raw material Substances 0.000 claims abstract description 25
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052834 spessartine Inorganic materials 0.000 claims abstract description 23
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 21
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 21
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052581 Si3N4 Inorganic materials 0.000 claims abstract description 20
- 229940105847 calamine Drugs 0.000 claims abstract description 20
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 20
- 229910052864 hemimorphite Inorganic materials 0.000 claims abstract description 20
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000011787 zinc oxide Substances 0.000 claims abstract description 20
- 235000014692 zinc oxide Nutrition 0.000 claims abstract description 20
- CPYIZQLXMGRKSW-UHFFFAOYSA-N zinc;iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Fe+3].[Fe+3].[Zn+2] CPYIZQLXMGRKSW-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000011504 laterite Substances 0.000 claims abstract description 18
- 229910001710 laterite Inorganic materials 0.000 claims abstract description 18
- 239000010453 quartz Substances 0.000 claims abstract description 18
- WAKZZMMCDILMEF-UHFFFAOYSA-H barium(2+);diphosphate Chemical compound [Ba+2].[Ba+2].[Ba+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O WAKZZMMCDILMEF-UHFFFAOYSA-H 0.000 claims abstract description 16
- 239000000203 mixture Substances 0.000 claims description 24
- 238000000465 moulding Methods 0.000 claims description 21
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 claims description 18
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 11
- 239000000377 silicon dioxide Substances 0.000 claims description 11
- 238000010304 firing Methods 0.000 claims description 10
- 206010020843 Hyperthermia Diseases 0.000 claims description 8
- 230000036031 hyperthermia Effects 0.000 claims description 8
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 7
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 6
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 5
- 239000003921 oil Substances 0.000 claims description 5
- 229920001296 polysiloxane Polymers 0.000 claims description 5
- DQMUQFUTDWISTM-UHFFFAOYSA-N O.[O-2].[Fe+2].[Fe+2].[O-2] Chemical compound O.[O-2].[Fe+2].[Fe+2].[O-2] DQMUQFUTDWISTM-UHFFFAOYSA-N 0.000 claims 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims 1
- 239000000292 calcium oxide Substances 0.000 claims 1
- 239000000395 magnesium oxide Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000003756 stirring Methods 0.000 description 18
- 238000002156 mixing Methods 0.000 description 17
- 239000008367 deionised water Substances 0.000 description 14
- 229910021641 deionized water Inorganic materials 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 238000001354 calcination Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 11
- 239000011812 mixed powder Substances 0.000 description 11
- 238000012545 processing Methods 0.000 description 10
- 238000000227 grinding Methods 0.000 description 7
- 238000004898 kneading Methods 0.000 description 7
- 239000011343 solid material Substances 0.000 description 7
- 239000007921 spray Substances 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 6
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 229910052717 sulfur Inorganic materials 0.000 description 6
- 239000011593 sulfur Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000004927 clay Substances 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 235000013312 flour Nutrition 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000003208 petroleum Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- 239000010431 corundum Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010410 dusting Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 241000219991 Lythraceae Species 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 235000014360 Punica granatum Nutrition 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 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 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/131—Inorganic additives
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- C04B33/02—Preparing or treating the raw materials individually or as batches
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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
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
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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
- C04B2235/32—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
- C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
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- 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
- C04B2235/3232—Titanium oxides or titanates, e.g. rutile or anatase
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- 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
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- 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
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- C04B2235/38—Non-oxide ceramic constituents or additives
- C04B2235/3852—Nitrides, e.g. oxynitrides, carbonitrides, oxycarbonitrides, lithium nitride, magnesium nitride
- C04B2235/3873—Silicon nitrides, e.g. silicon carbonitride, silicon oxynitride
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- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
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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
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Abstract
The present invention provides a kind of petroleum coke calciners tank skin brick and preparation method thereof of good heat conductivity, and the tank skin brick includes following raw material components: carborundum powder, calamine, laterite, kaolin, silicon nitride.It further include following raw material components: titanium dioxide, graphene, far-infared ceramic powder, quartz, barium phosphate, spessartine.The titanium dioxide: it is mixed by the titanium dioxide of tri- kinds of models of R-706, R-248, R-103 according to the mass ratio of 1:1:3.Petroleum coke can-type calcine furnace of the present invention tank skin brick, good heat conductivity under high temperature, substantially reduces production energy consumption.
Description
Technical field
The present invention relates to petroleum coke calciners tank skin bricks, and in particular to a kind of petroleum coke calciners use of good heat conductivity
Tank skin brick and preparation method thereof.
Background technique
The pot sidewall of can-type calcine furnace uses dedicated tank skin brick, is multilayer quirk heating system outside tank skin brick wall.Material
It is heated under sealing isolation air condition in tank, scaling loss is small, and quality is stablized.
Traditional tank skin brick mainly uses silica brick, and silica brick primary raw material is tridymite and cristobalite, there are also a small amount of quartz and
The nature of glass.With the development of the times, this field is higher and higher to the quality requirement of tank skin brick；Especially with service life and thermal conductivity
Energy.The product of current tank skin brick existing on the market often excellent thermal conductivity, service life are shorter；Product with long service life is thermally conductive
Performance is poor；Rarely have long service life and the excellent product of heating conduction, therefore, the research of the project of this respect is increasingly subject to ability
The concern of field technique personnel.
The method for calcinating and dedicated can-type calcine furnace and tank of a kind of existing high sulfur petroleum coke of patent CN201410805178.3
Nogging discloses a kind of method for calcinating of high sulfur petroleum coke, a kind of high sulfur petroleum coke can-type calcine furnace, including furnace body, quirk
Tank skin outside with calcining tank, the calcining tank is quirk, and inside is the contact surface with petroleum coke, and the calcining tank surrounding is by band
The irregular can nogging of mother-son groove is built, and the irregular can nogging is made of the brick body material of high temperature resistant and resistance to sulphur corrosion.
The invention also discloses a kind of tank skin brick and preparation method thereof, the tank skin brick be zirconium corundum, mullite brick, silicon carbide boule not
Come any one of stone brick, chrome corundum brick.The tank skin brick has the performance of good kinds of anti-sulfur corrosion, impermeabilisation, in Combustion in High Temperature High Sulfur
It is generated in calcining without peeling phenomenon, long service life, production cost is low.In terms of it is invented without solving tank skin brick heating conduction
Problem.
In research of the past can-type calcine furnace with tank skin brick, those skilled in the art, which lay particular emphasis on, extends tank skin brick
Service life, but few people pay close attention to its heating conduction；But in actual production, heating conduction is the important side for influencing production capacity
Face.
Summary of the invention
The problem to be solved in the present invention is against the above deficiency, to provide a kind of petroleum coke calciners tank of good heat conductivity
Nogging and preparation method thereof realizes following goal of the invention: improving the heating conduction of petroleum coke can-type calcine furnace tank skin brick, together
When, improve its service life.
For achieving the above object, using following technical scheme:
A kind of petroleum coke calciners of good heat conductivity tank skin brick: including following raw material components: carborundum powder, calamine, red
Soil, kaolin, silicon nitride, titanium dioxide, graphene, far-infared ceramic powder, quartz, barium phosphate, spessartine.
The tank skin brick, in parts by weight, including following raw material components: 130-150 parts of carborundum powder, calamine 30-40
Part, 7-9 parts of laterite, 57-63 parts of kaolin, 78-84 parts of silicon nitride, 19-25 parts of titanium dioxide, 2.8-3.7 parts of graphene, far infrared
11-14 parts of ceramic powder, 70-80 parts of quartz, 12-17 parts of barium phosphate, 9-14 parts of spessartine.
The carborundum powder: partial size is 600-710 μm, bulk density 3.15-3.28g/cm3, SiC content >=
98.8%, ferric oxide content is lower than 0.4%；
The calamine: fineness is 200 mesh, wherein contains calcium oxide (CaO) 0.24-0.27%, magnesia (MgO) 0.37-
0.45%, iron oxide (Fe2O3) 0.54-0.58%, manganese oxide (MnO) 0.005-0.01%；
The laterite: for red clay, source area is Hebei, is purchased from Lingshou County Zhong Run petroleum assistant processing factory, article No. 010；
The kaolin: fineness be 9000 mesh, dioxide-containing silica 57-59%, oil absorption 60-62%, loss on ignition 0.2-0.3%,
PH value is 5.8-5.9；
The silicon nitride: silicone content >=99.9%, density 3.44-3.51 g/cm3, Mohs' hardness 9-9.5, microhardness are
32630-32655MPa, specific heat capacity 0.71J/ (gK)；
The titanium dioxide: by tri- kinds of models of R-706, R-248, R-103 titanium dioxide according to 1:1:3 mass ratio mixing and
At；
The graphene: fixed carbon content is 10%, and active principle content is 99%；
The far-infared ceramic powder: being the far-infared ceramic powder of 1250 mesh, 600 mesh, 200 mesh by fineness, according to the matter of 8:3:1
Amount ratio mixes；
The quartz: dioxide-containing silica 99.8%, density 2.7g/cm3, fineness is 400 mesh；
The spessartine: for spessartine powder, fineness is 1200 mesh.
A kind of preparation method of the petroleum coke calciners of good heat conductivity tank skin brick:
Step 1, raw material preparation
Each raw material component is weighed according to tank skin brick formula, it is spare.
Step 2, grinding
Carborundum powder, calamine, laterite, silicon nitride are mixed, is placed in flour mill and grinds 2.5h, obtaining fineness is 4000 mesh
Mixed-powder A.
Step 3, mixing
By titanium dioxide, graphene, far-infared ceramic powder, quartz mixing, and 30min is stirred, stirring rate 1200rpm is obtained
Mixture B；
Kaolin, barium phosphate, spessartine are mixed, and stir 40min, stirring rate 1200rpm obtains mixture C.
Step 4 is kneaded
Mixture B, mixture C, mixed-powder A are sequentially added in kneading machine, side edged sprays into deionized water, and is kneaded
1.5h obtains tank skin adobe material；The additional amount of the deionized water is the 22% of solid material gross mass.
Step 5, molding
Tank skin adobe material is sent into molding machine adobe die for molding, obtains adobe.
Step 6 is fired
(1) preliminary drying adobe after molding preliminary drying 60-80min under the conditions of 400-450 DEG C；
(2) it fires and pre-baked adobe is sent into hyperthermia tunnel Kiln, fire 1.5h under the conditions of 1600-1700 DEG C；
(3) stablize processing the adobe after firing is sent into low-temperature tunnel kiln, low-temperature treatment 25- under the conditions of 750-800 DEG C
35min completes to stablize processing；
Finished product.
Compared with prior art, technical solution of the present invention has the advantages that
(1) petroleum coke can-type calcine furnace of the present invention tank skin brick, high-temperature heat-conductive performance is good, substantially reduces production energy consumption.Through testing,
Thermal coefficient at 1200 DEG C of tank skin brick of the present invention can reach 83-102W/ (mK).
(2) petroleum coke can-type calcine furnace of the present invention tank skin brick, corrosion resistance and good, to calcining furnace under the conditions of 1400 DEG C
It is passed through the mixed gas of sulfur dioxide, nitric oxide and nitrogen dioxide mixed according to volume ratio 2:0.5:1 in model, makes to mix
Gas closes calcining furnace feed inlet and outlet full of in calcining retort；After 200 days, no surface dusting plays drum, peeling phenomenon generation.This
The tank skin brick of invention preparation is applicable to the calcining of high sulfur petroleum coke.
(3) the petroleum coke can-type calcine furnace service life of tank skin brick preparation of the present invention can reach 20 years or more.
Specific embodiment
A kind of petroleum coke calciners tank skin brick of the good heat conductivity of embodiment 1
A kind of petroleum coke calciners of good heat conductivity tank skin brick: in parts by weight, including following raw material components: carborundum powder
150 parts, 30 parts of calamine, 9 parts of laterite, 57 parts of kaolin, 84 parts of silicon nitride, 25 parts of titanium dioxide, 3.2 parts of graphene, far infrared
13 parts of ceramic powder, quartzy 70 parts, 15 parts of barium phosphate, 14 parts of spessartine.
The carborundum powder: partial size is 680 μm, bulk density 3.25g/cm3, SiC content 98.9%, three oxidations
Two iron contents are lower than 0.4%；
The calamine: fineness is 200 mesh, wherein contains calcium oxide (CaO) 0.25%, magnesia (MgO) 0.42%, iron oxide
(Fe2O3) 0.56%, manganese oxide (MnO) 0.008%；
The laterite: for red clay, source area is Hebei, is purchased from Lingshou County Zhong Run petroleum assistant processing factory, article No. 010；
The kaolin: fineness is 9000 mesh, and dioxide-containing silica 58%, oil absorption 60%, loss on ignition 0.25%, pH value is
5.8；
The silicon nitride: silicone content >=99.9%, 3.48 g/cm3 of density, Mohs' hardness 9.2, microhardness 32640MPa,
Specific heat capacity 0.71J/ (gK)；
The titanium dioxide: by tri- kinds of models of R-706, R-248, R-103 titanium dioxide according to 1:1:3 mass ratio mixing and
At；
The graphene: fixed carbon content is 10%, and active principle content is 99%；
The far-infared ceramic powder: being the far-infared ceramic powder of 1250 mesh, 600 mesh, 200 mesh by fineness, according to the matter of 8:3:1
Amount ratio mixes；
The quartz: dioxide-containing silica 99.8%, density 2.7g/cm3, fineness is 400 mesh；
The spessartine: for spessartine powder, fineness is 1200 mesh.
A kind of preparation method of the petroleum coke calciners of good heat conductivity tank skin brick:
Step 1, raw material preparation
Each raw material component is weighed according to tank skin brick formula, it is spare.
Step 2, grinding
Carborundum powder, calamine, laterite, silicon nitride are mixed, is placed in flour mill and grinds 2.5h, obtaining fineness is 4000 mesh
Mixed-powder A.
Step 3, mixing
By titanium dioxide, graphene, far-infared ceramic powder, quartz mixing, and 30min is stirred, stirring rate 1200rpm is obtained
Mixture B；
Kaolin, barium phosphate, spessartine are mixed, and stir 40min, stirring rate 1200rpm obtains mixture C.
Step 4 is kneaded
Mixture B, mixture C, mixed-powder A are sequentially added in kneading machine, side edged sprays into deionized water, and is kneaded
1.5h obtains tank skin adobe material；The additional amount of the deionized water is the 22% of solid material gross mass.
Step 5, molding
Tank skin adobe material is sent into molding machine adobe die for molding, obtains adobe.
Step 6 is fired
(1) preliminary drying adobe after molding preliminary drying 80min under the conditions of 400 DEG C；
(2) it fires and pre-baked adobe is sent into hyperthermia tunnel Kiln, fire 1.5h under the conditions of 1600 DEG C；
(3) stablize processing the adobe after firing is sent into low-temperature tunnel kiln, 25min under the conditions of 800 DEG C is completed at stable
Reason；
Finished product.
A kind of petroleum coke calciners tank skin brick of the good heat conductivity of embodiment 2
A kind of petroleum coke calciners of good heat conductivity tank skin brick: in parts by weight, including following raw material components: carborundum powder
130 parts, 40 parts of calamine, 7 parts of laterite, 63 parts of kaolin, 78 parts of silicon nitride, 20 parts of titanium dioxide, 2.8 parts of graphene, far infrared
11 parts of ceramic powder, quartzy 80 parts, 12 parts of barium phosphate, 9 parts of spessartine.
The carborundum powder: partial size is 680 μm, bulk density 3.25g/cm3, SiC content 98.9%, three oxidations
Two iron contents are lower than 0.4%；
The calamine: fineness is 200 mesh, wherein contains calcium oxide (CaO) 0.25%, magnesia (MgO) 0.42%, iron oxide
(Fe2O3) 0.56%, manganese oxide (MnO) 0.008%；
The laterite: for red clay, source area is Hebei, is purchased from Lingshou County Zhong Run petroleum assistant processing factory, article No. 010；
The kaolin: fineness is 9000 mesh, and dioxide-containing silica 58%, oil absorption 60%, loss on ignition 0.25%, pH value is
5.8；
The silicon nitride: silicone content >=99.9%, 3.48 g/cm3 of density, Mohs' hardness 9.2, microhardness 32640MPa,
Specific heat capacity 0.71J/ (gK)；
The titanium dioxide: by tri- kinds of models of R-706, R-248, R-103 titanium dioxide according to 1:1:3 mass ratio mixing and
At；
The graphene: fixed carbon content is 10%, and active principle content is 99%；
The far-infared ceramic powder: being the far-infared ceramic powder of 1250 mesh, 600 mesh, 200 mesh by fineness, according to the matter of 8:3:1
Amount ratio mixes；
The quartz: dioxide-containing silica 99.8%, density 2.7g/cm3, fineness is 400 mesh；
The spessartine: for spessartine powder, fineness is 1200 mesh.
A kind of preparation method of the petroleum coke calciners of good heat conductivity tank skin brick:
Step 1, raw material preparation
Each raw material component is weighed according to tank skin brick formula, it is spare.
Step 2, grinding
Carborundum powder, calamine, laterite, silicon nitride are mixed, is placed in flour mill and grinds 2.5h, obtaining fineness is 4000 mesh
Mixed-powder A.
Step 3, mixing
By titanium dioxide, graphene, far-infared ceramic powder, quartz mixing, and 30min is stirred, stirring rate 1200rpm is obtained
Mixture B；
Kaolin, barium phosphate, spessartine are mixed, and stir 40min, stirring rate 1200rpm obtains mixture C.
Step 4 is kneaded
Mixture B, mixture C, mixed-powder A are sequentially added in kneading machine, side edged sprays into deionized water, and is kneaded
1.5h obtains tank skin adobe material；The additional amount of the deionized water is the 22% of solid material gross mass.
Step 5, molding
Tank skin adobe material is sent into molding machine adobe die for molding, obtains adobe.
Step 6 is fired
(1) preliminary drying adobe after molding preliminary drying 70min under the conditions of 420 DEG C；
(2) it fires and pre-baked adobe is sent into hyperthermia tunnel Kiln, fire 1.5h under the conditions of 1650 DEG C；
(3) stablize processing the adobe after firing is sent into low-temperature tunnel kiln, 30min under the conditions of 780 DEG C is completed at stable
Reason；
Finished product.
A kind of petroleum coke calciners tank skin brick of the good heat conductivity of embodiment 3
A kind of petroleum coke calciners of good heat conductivity tank skin brick: in parts by weight, including following raw material components: carborundum powder
140 parts, 35 parts of calamine, 9 parts of laterite, 60 parts of kaolin, 80 parts of silicon nitride, 19 parts of titanium dioxide, 3.6 parts of graphene, far infrared
12 parts of ceramic powder, quartzy 75 parts, 16 parts of barium phosphate, 10 parts of spessartine.
The carborundum powder: partial size is 680 μm, bulk density 3.25g/cm3, SiC content 98.9%, three oxidations
Two iron contents are lower than 0.4%；
The calamine: fineness is 200 mesh, wherein contains calcium oxide (CaO) 0.25%, magnesia (MgO) 0.42%, iron oxide
(Fe2O3) 0.56%, manganese oxide (MnO) 0.008%；
The laterite: for red clay, source area is Hebei, is purchased from Lingshou County Zhong Run petroleum assistant processing factory, article No. 010；
The kaolin: fineness is 9000 mesh, and dioxide-containing silica 58%, oil absorption 60%, loss on ignition 0.25%, pH value is
5.8；
The silicon nitride: silicone content >=99.9%, 3.48 g/cm3 of density, Mohs' hardness 9.2, microhardness 32640MPa,
Specific heat capacity 0.71J/ (gK)；
The titanium dioxide: by tri- kinds of models of R-706, R-248, R-103 titanium dioxide according to 1:1:3 mass ratio mixing and
At；
The graphene: fixed carbon content is 10%, and active principle content is 99%；
The far-infared ceramic powder: being the far-infared ceramic powder of 1250 mesh, 600 mesh, 200 mesh by fineness, according to the matter of 8:3:1
Amount ratio mixes；
The quartz: dioxide-containing silica 99.8%, density 2.7g/cm3, fineness is 400 mesh；
The spessartine: for spessartine powder, fineness is 1200 mesh.
A kind of preparation method of the petroleum coke calciners of good heat conductivity tank skin brick:
Step 1, raw material preparation
Each raw material component is weighed according to tank skin brick formula, it is spare.
Step 2, grinding
Carborundum powder, calamine, laterite, silicon nitride are mixed, is placed in flour mill and grinds 2.5h, obtaining fineness is 4000 mesh
Mixed-powder A.
Step 3, mixing
By titanium dioxide, graphene, far-infared ceramic powder, quartz mixing, and 30min is stirred, stirring rate 1200rpm is obtained
Mixture B；
Kaolin, barium phosphate, spessartine are mixed, and stir 40min, stirring rate 1200rpm obtains mixture C.
Step 4 is kneaded
Mixture B, mixture C, mixed-powder A are sequentially added in kneading machine, side edged sprays into deionized water, and is kneaded
1.5h obtains tank skin adobe material；The additional amount of the deionized water is the 22% of solid material gross mass.
Step 5, molding
Tank skin adobe material is sent into molding machine adobe die for molding, obtains adobe.
Step 6 is fired
(1) preliminary drying adobe after molding preliminary drying 60min under the conditions of 450 DEG C；
(2) it fires and pre-baked adobe is sent into hyperthermia tunnel Kiln, fire 1.5h under the conditions of 1700 DEG C；
(3) stablize processing the adobe after firing is sent into low-temperature tunnel kiln, 35min under the conditions of 750 DEG C is completed at stable
Reason；
Finished product.
A kind of petroleum coke calciners tank skin brick of the good heat conductivity of comparative example 1
It is same as Example 3, only change following:
The tank skin brick, in parts by weight, including following raw material components: 140 parts of carborundum powder, 35 parts of calamine, 9 parts of laterite,
60 parts of kaolin, 80 parts of silicon nitride, 19 parts of titanium dioxide, 3.6 parts of graphene, 12 parts of far-infared ceramic powder, 75 parts of quartz.
Preparation method:
Step 1, raw material preparation are same as Example 3.
Step 2, grinding are same as Example 3.
Step 3, mixing
By kaolin, titanium dioxide, graphene, far-infared ceramic powder, quartz mixing, and 30min is stirred, stirring rate is
1200rpm obtains mixture B；
Step 4 is kneaded
Mixture B, mixed-powder A are sequentially added in kneading machine, side edged sprays into deionized water, and is kneaded 1.5h, obtains tank
Nogging blank；The additional amount of the deionized water is the 22% of solid material gross mass.
Step 5, molding are same as Example 3.
Step 6 is fired
(1) preliminary drying adobe after molding preliminary drying 60min under the conditions of 450 DEG C；
(2) it fires and pre-baked adobe is sent into hyperthermia tunnel Kiln, fire 2h under the conditions of 1700 DEG C；
Finished product.
A kind of petroleum coke calciners tank skin brick of the good heat conductivity of comparative example 2
It is same as Example 3, only change following:
The tank skin brick, in parts by weight, including following raw material components: 140 parts of carborundum powder, 35 parts of calamine, 9 parts of laterite,
60 parts of kaolin, 80 parts of silicon nitride, quartzy 75 parts, 16 parts of barium phosphate, 10 parts of spessartine.
Preparation method:
Step 1, raw material preparation are same as Example 3.
Step 2, grinding are same as Example 3.
Step 3, mixing
Quartz, kaolin, barium phosphate, spessartine are mixed, and stir 40min, stirring rate 1200rpm is mixed
Expect C.
Step 4 is kneaded
Mixture C, mixed-powder A are sequentially added in kneading machine, side edged sprays into deionized water, and is kneaded 1.5h, obtains tank
Nogging blank；The additional amount of the deionized water is the 22% of solid material gross mass.
Step 5, molding are same as Example 3.
Step 6 is fired
Pre-baked adobe is sent into hyperthermia tunnel Kiln, fires 2.5h under the conditions of 1800 DEG C；
Finished product.
A kind of petroleum coke calciners tank skin brick of the good heat conductivity of comparative example 3
It is same as Example 3, only change following:
The tank skin brick, in parts by weight, including following raw material components: 140 parts of carborundum powder, 35 parts of calamine, 9 parts of laterite,
80 parts of silicon nitride, 19 parts of titanium dioxide, 3.6 parts of graphene, 12 parts of far-infared ceramic powder, quartzy 75 parts, 16 parts of barium phosphate, manganese aluminium pomegranate
10 parts of stone.
Preparation method:
Step 1, raw material preparation are same as Example 3.
Step 2, grinding are same as Example 3.
Step 3, mixing
By titanium dioxide, graphene, far-infared ceramic powder, quartz mixing, and 30min is stirred, stirring rate 1200rpm is obtained
Mixture B；
Barium phosphate, spessartine are mixed, and stir 40min, stirring rate 1200rpm obtains mixture C.
Step 4 is kneaded
Mixed-powder A, mixture B, mixture C are sequentially added in kneading machine, side edged sprays into deionized water, and is kneaded
1.5h obtains tank skin adobe material；The additional amount of the deionized water is the 22% of solid material gross mass.
Step 5, molding are same as Example 3.
Step 6 is fired
(1) pre-baked adobe is sent into hyperthermia tunnel Kiln, fires 2h under the conditions of 1700 DEG C；
(2) stablize processing the adobe after firing is sent into low-temperature tunnel kiln, 35min under the conditions of 750 DEG C is completed at stable
Reason；
Finished product.
As a result it detects:
By the tank skin brick of embodiment 1-3 and comparative example 1-3 preparation, following performance detection is carried out:
(1) high-temperature heat-conductive performance detection, testing result are shown in Table 1；
Table 1
As seen from the above table, under the conditions of 1200 DEG C, the thermal coefficient of 1-3 of embodiment of the present invention petroleum coke can-type calcine furnace tank skin brick
Significantly higher, heat-conducting effect is obviously preferable.
(2) acid attack resistance detects
Experimental method: the calcining furnace model prepared using the tank skin brick of embodiment 1-3 and comparative example 1-3；Under the conditions of 1400 DEG C
The gaseous mixture of sulfur dioxide, nitric oxide and nitrogen dioxide mixed according to volume ratio 2:0.5:1 is passed through into calcining furnace model
Body, intake 20m3/h, exit connect exhaust gas absorption device；After experiment carries out 200 days, testing result is shown in Table 2；
Table 2
As seen from the above table, petroleum coke can-type calcine furnace of the present invention has the effect of apparent acid corrosion-resistant with tank skin brick；1400
It under the conditions of DEG C, is used under sulfur dioxide, nitric oxide and nitrogen dioxide environment, no surface dusting plays drum, peeling phenomenon hair
It is raw.
(3) through testing, the petroleum coke can-type calcine furnace service life of tank skin brick preparation of the present invention be can reach 20 years or more.
In addition to specified otherwise, percentage of the present invention is mass percent, and the ratio is mass ratio.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
It, for those skilled in the art, still can be with although describing the invention in detail with reference to the foregoing embodiments
It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.It is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in guarantor of the invention
Within the scope of shield.
Claims (10)
1. a kind of petroleum coke calciners of good heat conductivity tank skin brick, it is characterised in that: including following raw material components: silicon carbide
Powder, calamine, laterite, kaolin, silicon nitride.
2. a kind of petroleum coke calciners tank skin brick of good heat conductivity according to claim 1, it is characterised in that: also wrap
Include following raw material components: titanium dioxide, graphene, far-infared ceramic powder, quartz, barium phosphate, spessartine.
3. a kind of petroleum coke calciners tank skin brick of good heat conductivity according to claim 1, it is characterised in that: described
Tank skin brick, in parts by weight, including following raw material components: 130-150 parts of carborundum powder, 30-40 parts of calamine, 7-9 parts of laterite,
57-63 parts of kaolin, 78-84 parts of silicon nitride, 19-25 parts of titanium dioxide, 2.8-3.7 parts of graphene, far-infared ceramic powder 11-14
Part, 70-80 parts of quartz, 12-17 parts of barium phosphate, 9-14 parts of spessartine.
4. a kind of petroleum coke calciners tank skin brick of good heat conductivity according to claim 1, it is characterised in that: described
Carborundum powder: partial size be 600-710 μm, bulk density 3.15-3.28g/cm3, SiC content >=98.8%, di-iron trioxide
Content is lower than 0.4%；
The calamine: fineness is 200 mesh, wherein 0.24-0.27% containing calcium oxide, magnesia 0.37-0.45%, iron oxide
0.54-0.58%, manganese oxide 0.005-0.01%.
5. a kind of petroleum coke calciners tank skin brick of good heat conductivity according to claim 1, it is characterised in that: described
Kaolin: fineness is 9000 mesh, and dioxide-containing silica 57-59%, oil absorption 60-62%, loss on ignition 0.2-0.3%, pH value is
5.8-5.9；
The silicon nitride: silicone content >=99.9%, density 3.44-3.51 g/cm3, Mohs' hardness 9-9.5, microhardness are
32630-32655MPa, specific heat capacity 0.71J/ (gK).
6. a kind of petroleum coke calciners tank skin brick of good heat conductivity according to claim 1, it is characterised in that: described
Titanium dioxide: mixed by the titanium dioxide of tri- kinds of models of R-706, R-248, R-103 according to the mass ratio of 1:1:3.
7. a kind of petroleum coke calciners tank skin brick of good heat conductivity according to claim 1, it is characterised in that: described
Far-infared ceramic powder: by fineness be 1250 mesh, 600 mesh, 200 mesh far-infared ceramic powder, according to 8:3:1 mass ratio mix
It forms.
8. a kind of preparation method of the petroleum coke calciners of good heat conductivity tank skin brick, it is characterised in that: including the firing step；
The firing includes: adobe after molding preliminary drying 60-80min under the conditions of 400-450 DEG C.
9. a kind of preparation method of the petroleum coke calciners tank skin brick of good heat conductivity according to claim 8, special
Sign is: the firing further include: pre-baked adobe is sent into hyperthermia tunnel Kiln, is burnt under the conditions of 1600-1700 DEG C
1.5h processed.
10. a kind of preparation method of the petroleum coke calciners tank skin brick of good heat conductivity according to claim 8, special
Sign is: the firing further include: the adobe after firing is sent into low-temperature tunnel kiln, low temperature under the conditions of 750-800 DEG C
Handle 25-35min.
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Application publication date: 20181207 |
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