CN101538632A - 海绵铁的制备工艺及设备 - Google Patents
海绵铁的制备工艺及设备 Download PDFInfo
- Publication number
- CN101538632A CN101538632A CN200910028261A CN200910028261A CN101538632A CN 101538632 A CN101538632 A CN 101538632A CN 200910028261 A CN200910028261 A CN 200910028261A CN 200910028261 A CN200910028261 A CN 200910028261A CN 101538632 A CN101538632 A CN 101538632A
- Authority
- CN
- China
- Prior art keywords
- iron
- reduction
- jar
- furnace
- furnace body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 423
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 192
- 238000002360 preparation method Methods 0.000 title claims abstract description 31
- 238000006722 reduction reaction Methods 0.000 claims abstract description 264
- 230000009467 reduction Effects 0.000 claims abstract description 220
- 239000000463 material Substances 0.000 claims abstract description 142
- 238000005453 pelletization Methods 0.000 claims abstract description 89
- 239000000843 powder Substances 0.000 claims abstract description 59
- 230000002829 reductive effect Effects 0.000 claims abstract description 58
- 238000002156 mixing Methods 0.000 claims abstract description 51
- 239000002994 raw material Substances 0.000 claims abstract description 15
- 238000009628 steelmaking Methods 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims description 181
- 239000007789 gas Substances 0.000 claims description 93
- 239000003795 chemical substances by application Substances 0.000 claims description 74
- 238000001816 cooling Methods 0.000 claims description 71
- 239000002918 waste heat Substances 0.000 claims description 60
- 238000005516 engineering process Methods 0.000 claims description 59
- 239000000203 mixture Substances 0.000 claims description 54
- 239000003245 coal Substances 0.000 claims description 47
- 230000003197 catalytic effect Effects 0.000 claims description 45
- 239000000654 additive Substances 0.000 claims description 42
- 230000000996 additive effect Effects 0.000 claims description 41
- 239000011449 brick Substances 0.000 claims description 37
- 238000002485 combustion reaction Methods 0.000 claims description 37
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 31
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 31
- 239000004571 lime Substances 0.000 claims description 31
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 28
- 230000004907 flux Effects 0.000 claims description 28
- 239000003999 initiator Substances 0.000 claims description 27
- 238000011084 recovery Methods 0.000 claims description 27
- 238000012546 transfer Methods 0.000 claims description 26
- 238000006555 catalytic reaction Methods 0.000 claims description 25
- 239000011148 porous material Substances 0.000 claims description 24
- DPTATFGPDCLUTF-UHFFFAOYSA-N phosphanylidyneiron Chemical compound [Fe]#P DPTATFGPDCLUTF-UHFFFAOYSA-N 0.000 claims description 23
- 239000002893 slag Substances 0.000 claims description 23
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 22
- 238000006243 chemical reaction Methods 0.000 claims description 22
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims description 22
- 238000007670 refining Methods 0.000 claims description 21
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 20
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 20
- 230000007704 transition Effects 0.000 claims description 20
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 18
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 17
- 239000000440 bentonite Substances 0.000 claims description 16
- 229910000278 bentonite Inorganic materials 0.000 claims description 16
- 238000007599 discharging Methods 0.000 claims description 16
- 239000011230 binding agent Substances 0.000 claims description 15
- 239000000835 fiber Substances 0.000 claims description 15
- 230000035484 reaction time Effects 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 229910052799 carbon Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 13
- 229910052796 boron Inorganic materials 0.000 claims description 13
- 229910052804 chromium Inorganic materials 0.000 claims description 13
- 239000011651 chromium Substances 0.000 claims description 13
- 229910052759 nickel Inorganic materials 0.000 claims description 13
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 claims description 13
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 12
- 229910004261 CaF 2 Inorganic materials 0.000 claims description 12
- 229910018487 Ni—Cr Inorganic materials 0.000 claims description 12
- NJFMNPFATSYWHB-UHFFFAOYSA-N ac1l9hgr Chemical group [Fe].[Fe] NJFMNPFATSYWHB-UHFFFAOYSA-N 0.000 claims description 12
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical group [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 12
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 claims description 12
- 239000012141 concentrate Substances 0.000 claims description 12
- 239000010436 fluorite Substances 0.000 claims description 12
- 239000000446 fuel Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 11
- 239000002802 bituminous coal Substances 0.000 claims description 11
- 229910021538 borax Inorganic materials 0.000 claims description 11
- UQGFMSUEHSUPRD-UHFFFAOYSA-N disodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane Chemical compound [Na+].[Na+].O1B([O-])OB2OB([O-])OB1O2 UQGFMSUEHSUPRD-UHFFFAOYSA-N 0.000 claims description 11
- 229910052760 oxygen Inorganic materials 0.000 claims description 11
- 239000001301 oxygen Substances 0.000 claims description 11
- 235000010333 potassium nitrate Nutrition 0.000 claims description 11
- 239000004323 potassium nitrate Substances 0.000 claims description 11
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 11
- 239000004328 sodium tetraborate Substances 0.000 claims description 11
- -1 aryl carbon Chemical compound 0.000 claims description 10
- 239000002956 ash Substances 0.000 claims description 10
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical group O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 claims description 10
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 claims description 10
- 238000001465 metallisation Methods 0.000 claims description 10
- 235000010344 sodium nitrate Nutrition 0.000 claims description 10
- 239000004317 sodium nitrate Substances 0.000 claims description 10
- 229940001516 sodium nitrate Drugs 0.000 claims description 10
- DPDMMXDBJGCCQC-UHFFFAOYSA-N [Na].[Cl] Chemical compound [Na].[Cl] DPDMMXDBJGCCQC-UHFFFAOYSA-N 0.000 claims description 9
- 239000000567 combustion gas Substances 0.000 claims description 9
- 239000004800 polyvinyl chloride Substances 0.000 claims description 9
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 9
- 239000011780 sodium chloride Substances 0.000 claims description 9
- 238000009827 uniform distribution Methods 0.000 claims description 9
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 8
- 239000010881 fly ash Substances 0.000 claims description 8
- 229910017604 nitric acid Inorganic materials 0.000 claims description 8
- 229910052717 sulfur Inorganic materials 0.000 claims description 8
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 7
- 239000007864 aqueous solution Substances 0.000 claims description 7
- 239000004927 clay Substances 0.000 claims description 7
- 239000003034 coal gas Substances 0.000 claims description 7
- 229910052739 hydrogen Inorganic materials 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 7
- 239000003265 pulping liquor Substances 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 7
- 239000011593 sulfur Substances 0.000 claims description 7
- 239000010455 vermiculite Substances 0.000 claims description 7
- 229910052902 vermiculite Inorganic materials 0.000 claims description 7
- 235000019354 vermiculite Nutrition 0.000 claims description 7
- 235000019353 potassium silicate Nutrition 0.000 claims description 6
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 6
- 239000002912 waste gas Substances 0.000 claims description 6
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 5
- 239000000920 calcium hydroxide Substances 0.000 claims description 5
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 5
- 235000011116 calcium hydroxide Nutrition 0.000 claims description 5
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 5
- 238000004939 coking Methods 0.000 claims description 5
- 229930195733 hydrocarbon Natural products 0.000 claims description 5
- 150000002430 hydrocarbons Chemical class 0.000 claims description 5
- 229910001710 laterite Inorganic materials 0.000 claims description 5
- 239000011504 laterite Substances 0.000 claims description 5
- 238000002161 passivation Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- GFNGCDBZVSLSFT-UHFFFAOYSA-N titanium vanadium Chemical compound [Ti].[V] GFNGCDBZVSLSFT-UHFFFAOYSA-N 0.000 claims description 5
- 239000004215 Carbon black (E152) Substances 0.000 claims description 4
- 238000000498 ball milling Methods 0.000 claims description 4
- 238000007885 magnetic separation Methods 0.000 claims description 4
- 239000010451 perlite Substances 0.000 claims description 4
- 235000019362 perlite Nutrition 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000013467 fragmentation Methods 0.000 claims description 3
- 238000006062 fragmentation reaction Methods 0.000 claims description 3
- 235000012204 lemonade/lime carbonate Nutrition 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 64
- 230000008569 process Effects 0.000 abstract description 62
- 238000004519 manufacturing process Methods 0.000 abstract description 46
- 238000005265 energy consumption Methods 0.000 abstract description 11
- 239000002699 waste material Substances 0.000 abstract description 11
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000001035 drying Methods 0.000 abstract description 4
- 239000003054 catalyst Substances 0.000 abstract description 3
- 239000003638 chemical reducing agent Substances 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- 150000003254 radicals Chemical class 0.000 description 25
- 239000002585 base Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 14
- 239000000047 product Substances 0.000 description 13
- 238000005245 sintering Methods 0.000 description 13
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 12
- 229940067573 brown iron oxide Drugs 0.000 description 6
- 235000009508 confectionery Nutrition 0.000 description 6
- 238000003912 environmental pollution Methods 0.000 description 6
- 239000003345 natural gas Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 5
- 238000003723 Smelting Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 235000003599 food sweetener Nutrition 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000011858 nanopowder Substances 0.000 description 4
- 230000036632 reaction speed Effects 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 239000004575 stone Substances 0.000 description 4
- 239000003765 sweetening agent Substances 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 239000005864 Sulphur Substances 0.000 description 3
- 230000004913 activation Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 238000011946 reduction process Methods 0.000 description 3
- 239000011819 refractory material Substances 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 239000002910 solid waste Substances 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 241000589970 Spirochaetales Species 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000002817 coal dust Substances 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 230000010748 Photoabsorption Effects 0.000 description 1
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- LZNZMLIXMJLLPJ-UHFFFAOYSA-N [Cr+3].[Cr+3].[O-][Cr]([O-])=O.[O-][Cr]([O-])=O.[O-][Cr]([O-])=O Chemical compound [Cr+3].[Cr+3].[O-][Cr]([O-])=O.[O-][Cr]([O-])=O.[O-][Cr]([O-])=O LZNZMLIXMJLLPJ-UHFFFAOYSA-N 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003513 alkali Substances 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
- 239000006227 byproduct Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002772 conduction electron Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003623 enhancer Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 239000012256 powdered iron Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 1
- 229910052683 pyrite Inorganic materials 0.000 description 1
- 239000011028 pyrite Substances 0.000 description 1
- 229910052952 pyrrhotite Inorganic materials 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Images
Classifications
-
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
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CN2009100282613A CN101538632B (zh) | 2009-02-05 | 2009-02-05 | 海绵铁的制备工艺及设备 |
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CN2009100282613A CN101538632B (zh) | 2009-02-05 | 2009-02-05 | 海绵铁的制备工艺及设备 |
Publications (2)
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CN101538632A true CN101538632A (zh) | 2009-09-23 |
CN101538632B CN101538632B (zh) | 2011-04-20 |
Family
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CN2009100282613A Expired - Fee Related CN101538632B (zh) | 2009-02-05 | 2009-02-05 | 海绵铁的制备工艺及设备 |
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Cited By (25)
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CN102312032A (zh) * | 2011-10-20 | 2012-01-11 | 山东道诚工程技术有限公司 | 一种生产海绵铁的装置 |
CN102676724A (zh) * | 2012-06-11 | 2012-09-19 | 山西英之杰物资有限公司 | 海绵铁的制造方法 |
CN103276193A (zh) * | 2013-06-21 | 2013-09-04 | 山东鲁铭高温材料科技有限公司 | 磁化处理低铁赤泥制备铁精粉的方法及装置 |
CN104178624A (zh) * | 2014-08-25 | 2014-12-03 | 广西大学 | 一种利用赤泥和红土镍矿制备铁镍合金的方法 |
CN104344740A (zh) * | 2014-11-07 | 2015-02-11 | 苏州工业园区姑苏科技有限公司 | 一种热推移余热利用装置 |
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CN104988303A (zh) * | 2015-08-04 | 2015-10-21 | 江苏省冶金设计院有限公司 | 综合利用硫酸渣和赤泥的方法 |
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CN105174319A (zh) * | 2015-08-04 | 2015-12-23 | 江苏省冶金设计院有限公司 | 利用赤泥制备羰基铁粉的方法和系统 |
CN105567950A (zh) * | 2014-10-15 | 2016-05-11 | 俞佳鹏 | 一种低品位铁矿石选矿设备及其方法 |
CN106755687A (zh) * | 2016-11-24 | 2017-05-31 | 武汉科思瑞迪科技有限公司 | 一种煤基竖炉直接还原工艺 |
CN106868245A (zh) * | 2017-03-13 | 2017-06-20 | 武汉科思瑞迪科技有限公司 | 一种两步法的铁水生产工艺 |
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