CN105627751A - Metallurgical furnace - Google Patents
Metallurgical furnace Download PDFInfo
- Publication number
- CN105627751A CN105627751A CN201610155031.3A CN201610155031A CN105627751A CN 105627751 A CN105627751 A CN 105627751A CN 201610155031 A CN201610155031 A CN 201610155031A CN 105627751 A CN105627751 A CN 105627751A
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- China
- Prior art keywords
- heat transfer
- metal
- metallurgical furnace
- heat
- temperature rising
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Links
- 238000012546 transfer Methods 0.000 claims abstract description 45
- 229910052751 metal Inorganic materials 0.000 claims abstract description 40
- 239000002184 metal Substances 0.000 claims abstract description 40
- 239000011449 brick Substances 0.000 claims abstract description 35
- 229910001338 liquidmetal Inorganic materials 0.000 claims abstract description 23
- 238000002485 combustion reaction Methods 0.000 claims abstract description 14
- 239000000779 smoke Substances 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 17
- 238000010521 absorption reaction Methods 0.000 claims description 15
- 239000007787 solid Substances 0.000 claims description 15
- 230000005855 radiation Effects 0.000 claims description 10
- 238000010304 firing Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000011819 refractory material Substances 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 3
- 239000000446 fuel Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 8
- 230000000630 rising effect Effects 0.000 abstract 7
- 238000005516 engineering process Methods 0.000 description 9
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 239000004411 aluminium Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010309 melting process Methods 0.000 description 2
- 238000010310 metallurgical process Methods 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052692 Dysprosium Inorganic materials 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 229910052689 Holmium Inorganic materials 0.000 description 1
- 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 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910052765 Lutetium Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- 229910052776 Thorium Inorganic materials 0.000 description 1
- 229910052775 Thulium Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 231100000987 absorbed dose Toxicity 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-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
- 229910052790 beryllium Inorganic materials 0.000 description 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 1
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- KJZYNXUDTRRSPN-UHFFFAOYSA-N holmium atom Chemical compound [Ho] KJZYNXUDTRRSPN-UHFFFAOYSA-N 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- OHSVLFRHMCKCQY-UHFFFAOYSA-N lutetium atom Chemical compound [Lu] OHSVLFRHMCKCQY-UHFFFAOYSA-N 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 229910052762 osmium Inorganic materials 0.000 description 1
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 1
- 229910052702 rhenium Inorganic materials 0.000 description 1
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 1
- 229910052706 scandium Inorganic materials 0.000 description 1
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 1
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 description 1
- 229910052716 thallium Inorganic materials 0.000 description 1
- BKVIYDNLLOSFOA-UHFFFAOYSA-N thallium Chemical compound [Tl] BKVIYDNLLOSFOA-UHFFFAOYSA-N 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B17/00—Furnaces of a kind not covered by any preceding group
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/04—Casings; Linings; Walls; Roofs characterised by the form, e.g. shape of the bricks or blocks used
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention discloses a metallurgical furnace. The metallurgical furnace comprises a combustion system, a temperature rising chamber, a batch charging chamber, an eddy well and an automatic batch feeder, wherein the batch charging chamber communicates with the temperature rising chamber. A combustion chamber containing flames and hot smoke is arranged at the upper part of the temperature rising chamber. Heat transfer bricks are arranged between the high-temperature liquid metal liquid level in the temperature rising chamber and the upper part of the temperature rising chamber so as to increase the metal heat absorbing speed. According to the metallurgical furnace, the heat of hot smoke in the upper half part in the temperature rising chamber is transmitted to the lower half part, the heat transferring strength of heated metal is increased to more than two times till tens of times, the exhaust gas temperature is directly caused to be reduced, the heat losses are reduced, the metal temperature rising speed is increased, the fuel combustion time is shortened, and the obvious energy saving effect can be generated.
Description
Technical field
The invention belongs to metallurgical technology field, it relates to a kind of energy-efficient metallurgical furnace.
Background technology
Metallurgy industry belongs to high energy consumption high pollution industry, and along with energy prices constantly go up, the consuming cost of fuel proportion in tooling cost is more and more higher, and with a large amount of consumption of natural resources, the discharge of a large amount of carbon and serious environmental pollution. In order to new technology is constantly explored to reduce energy consumption by the fuel consumption reduced in metallurgical furnace production process, related research institutes and manufacturing enterprise, cost-saving, reduce the pollution to environment simultaneously.
At present, the metallurgical furnace of the whole metallurgy industry new invention new technology of aspect that efficiently utilizes that is energy-conservation and fuel mainly concentrates on two aspects: one is the Thorough combustion being realized fuel by new technology; Two is recovery waste heat as much as possible.
But, in the Thorough combustion and recovery waste heat of above-mentioned fuel, current technology is very ripe, and the degree that reached capacity, it is difficult to carry out studying the energy-efficient performance improving smelting furnace in these.
It is therefore necessary to develop research, with provide a kind of newly have the different fully combustion technology in fuel or the technical scheme of recovery waste heat technology, thus improve heat utilization rate, to reach more energy-conservation object.
Summary of the invention
For solving the problem, it is an object of the invention to provide a kind of metallurgical furnace, to strengthen heat transfer in metallurgical process, it is to increase metal absorbs heat.
For achieving the above object, the technical scheme of the present invention is:
A kind of metallurgical furnace, includes firing system, charging chamber that intensification room is connected with intensification room, eddy current well and automatic feeder; Wherein, the top stating intensification room is divided into the combustion chamber including flame and heat smoke; Intensification room is provided with heat transfer brick between the liquid level of high temperature fluent metal and intensification room upper part, for the heat absorption speed improving metal.
Further, described heat transfer brick is for thermal radiation absorption is than high heat conduction refractory materials, is divided into upper, middle and lower three layers, and middle level is solid, and levels inside is densely covered with the aperture as labyrinth of intercommunication, and fin can also be made by lower floor.
Further, the aperture on upper strata is cellular or ant nest shape.
Further, the density of material of described heat transfer brick is less than the density of liquid metal, material blackness height, to improve the ability of heat transfer brick absorbing radiation heat transfer.
Further, described heat transfer brick and liquid metal are in close contact, and its lower floor immerses in liquid metal.
Further, being provided with a submersible type and be fed into mouth between described charging chamber and automatic feeder, submersible type dog-house top is higher than metal bath surface, to prevent the spilling of hot gas in charging chamber during Tou Liao.
Further, the production method of described heat transfer brick is with mould molding, is sintered to finished product by pottery.
Compared to prior art, the heat of the heat smoke heated up in indoor upper part is passed to lower part and is brought up to more than twice to tens of times by the heat trnasfer intensity of heating of metal by metallurgical furnace of the present invention, directly cause funnel temperature reduction minimizing calorific loss, metal heat-up rate to accelerate to shorten fuel combustion time, obvious energy-saving effect can be produced.
Accompanying drawing explanation
In order to the technical scheme being illustrated more clearly in the embodiment of the present invention, below the accompanying drawing used required in embodiment being described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, to those skilled in the art, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the principle schematic of the present invention.
Fig. 2 is the A-A diagrammatic cross-section of Fig. 1.
Embodiment
Embodiments providing a kind of energy-efficient metallurgical furnace, it by strengthening heat transfer in metallurgical process, to improve metal heat absorption.
As one embodiment of the invention, heat transfer brick be thermal radiation absorption than high heat conduction refractory materials, be divided into upper lower floor, levels inside is densely covered with the aperture as labyrinth of intercommunication, the aperture on upper strata can also make cellular or ant nest shape, and fin can be made by lower floor, and middle layer is solid. In the embodiment of the present invention, labyrinth-like aperture is made on upper strata, and fin is made by lower floor; Heat smoke increases several times to hundreds of times by the transmission of heat by convection area that transmission of heat by convection area ratio during these apertures is original, owing to transmission of heat by convection amount is directly proportional to flow area, thus enhances transmission of heat by convection speed. Secondly, aperture also improves the specific absorption of convective heat-transfer coefficient and heat transfer layer.
As another embodiment of the present invention, the radiation absorption of heat transfer brick is than higher than by the 2-5 of heating of metal (solid or liquid) doubly, owing to the specific absorption of the absorbed dose of radiant heat energy to object itself is directly proportional by object, heat transfer brick adds 2-5 doubly for the heat absorption rate that the radiation of intensification chamber upper part furnace wall refractory is come. Experiment proves, as long as the specific absorption of heat transfer brick just can produce energy-saving effect higher than the specific absorption of metallic surface.
As another embodiment of the present invention, heat transfer brick material is high thermal conductivity materials, and when cost is permitted, thermal conductivity is more high more good, it is possible to pass to the heat energy of absorption by heating of metal rapidly. In the embodiment of the present invention, the material of described heat transfer brick is based on silicon carbide. Certainly, it may also be useful to better thermally conductive material is such as material based on Graphene, can obtain better effect. Facts have proved, the heat transfer brick material thermal conductivity of the present invention is only greater than 1w/mk and just can produce energy-saving effect, if material thermal conductivity is greater than 5w/mk can produce fairly good effect, in the embodiment of the present invention, the thermal conductivity of described heat transfer brick material is 2w/mk-8w/mk.
The present invention's heat that indoor upper part fuel combustion produces heat smoke that heats up passes to lower part and is brought up to more than twice to tens of times by the heat trnasfer intensity of heating of metal, directly cause funnel temperature reduction minimizing calorific loss, metal heat-up rate to accelerate to shorten fuel combustion time, produce obvious energy-saving effect; Secondly, submersible type dog-house upper design becomes slightly higher than setting metal bath surface, prevents the spilling of hot gas in charging chamber; In addition, automatic feeder is thrown material and is decreased the door opened time, a small amount of hot gas overflowed from submersible type dog-house is used for preheating solid metal simultaneously.
For making goal of the invention, the feature of the present invention, advantage can be more obvious and understandable, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, the embodiments described below are only the present invention's part embodiments, and not all embodiments. Based on the embodiment in the present invention, other embodiments all that the technician of this area obtains, all belong to the scope of protection of the invention.
Term " first " in the specification sheets of the present invention and claim book and above-mentioned accompanying drawing, " the 2nd " etc. are for distinguishing similar object, and need not be used for describing specific order or precedence. Should be appreciated that the term of use like this can exchange in the appropriate case, this is only describe in embodiments of the invention the differentiation mode adopted by the object of same alike result when describing. In addition, term " comprises " and " having " and their any distortion, intention is to cover does not arrange his comprising, to comprise the process of a series of unit, method, system, product or equipment being not necessarily limited to those unit, but can comprise that clearly do not list or for intrinsic other unit of these processes, method, product or equipment.
Hereinafter it is described in detail respectively.
Specifically, as shown in Figure 1, the charging chamber 9 that metallurgical furnace of the present invention includes firing system 5, intensification room 6 is connected with intensification room 6, eddy current well 7 and automatic feeder 1; Wherein, the top of intensification room 6 is divided into the combustion chamber including flame and heat smoke; In intensification room 6, the liquid level of high temperature fluent metal 13 uses heat transfer brick 12 to be isolated by the high-temperature flue gas of high temperature fluent metal 13 with intensification room 6 upper part; Containing oxygen in the high-temperature flue gas of intensification room 6 upper part, by the high-temperature flue gas of high temperature fluent metal 13 with intensification room 6 upper part is isolated, to prevent the oxidation of metallic aluminium (scaling loss); It is provided with a submersible type between charging chamber 9 and automatic feeder 1 and it is fed into mouth 2.
Wherein, described heat transfer brick 12 be thermal radiation absorption than high heat conduction refractory materials, be divided into upper, middle and lower three layers, middle level is solid, and levels inside is densely covered with the aperture as labyrinth of intercommunication; In the embodiment of the present invention, fin can also be made by lower floor; The density of material of described heat transfer brick 12 is less than the density of liquid metal, material blackness height, it is to increase the ability of heat transfer brick absorbing radiation heat transfer; For aluminium, owing to the blackness of aluminium is very low in metallurgical furnace, thermal radiation absorption is very lower (being less than 0.2) than also, and heat transfer can be improved 2-5 doubly by the present invention. The aperture as labyrinth of the densely covered intercommunication in inside, heat transfer brick 12 upper strata, adds the transmission of heat by convection speed of heat smoke with heat transfer brick, it is possible to improve several times to tens times. Comprehensively getting up, the heat transfer speed between heat smoke and liquid aluminium can be improved several times by the present invention, accelerates the heat-up rate of metal, shortens smelting time, saves energy consumption. Described heat transfer brick 12 is in close contact with liquid metal, according to the heat transfer capacity calculation formula of thermal conduction it will be seen that the heat transfer capacity between heat transfer brick 12 and liquid metal will be tending towards infinitely great. The several times even hundreds of times of heats that brick 12 absorbs so conducting heat in the present invention, can conduct completely very soon to high temperature fluent metal 13.
Described submersible type is fed into the top of mouth 2 a little more than liquid aluminum design height; It is �� with throwing the angle expecting direction that described submersible type is fed into the base plane of mouth 2, wherein, and tan �� < fQuiet, and tan �� is greater than close to fDynamic. Wherein, fDynamic,fQuietIt is respectively the kinetic friction coefficient of solid metal 16 with base plane and static friction coefficient. The embodiment of the present invention so arranges described angle, ensure that solid metal 16 is when landing enters in liquid metal 14, speed can not be too fast and cause liquid metal 14 to splash, and destroys the zone of oxidation on liquid metal 14 surface in charging chamber 9, prevents new burning. Solid metal 16 melting process all slips in liquid metal, also can not produce oxidization burning loss.
During use, during blow-on, first drop into enough solid metals to intensification room 6 from the 2nd fire door 4; Starting firing system 5 and to the METAL HEATING PROCESS in intensification room 6 and be warmed up to the high temperature of setting, at this moment all there are liquid metal in intensification room 6, eddy current well 7, charging chamber 9; Charging chamber 9 is formed on liquid metal face oxide film protection metal can not be oxidized again; Then drop into heat transfer brick from the 2nd fire door 4 all to be covered by the liquid metal of intensification room 6, what at this moment firing system 5 was sent into is rapidly heated to the liquid metal 13 in intensification room 6 by heat transfer brick 12 enhancement of heat transfer (more than 2 times to tens of times when heat transfer rate is do not conduct heat brick covering) containing oxygen hot gas, hereafter the brick 12 that conducts heat is in close contact the liquid metal covered in intensification room 6, can not cause burning (scaling loss); Starting mixing pump 8, liquid metal circulates from 6 �� eddy current well 7 �� charging chamber, 9 �� intensification room, intensification room 6; Start automatic feeder 1, no longer throw material from the 2nd fire door 4,1), tan �� < f at this moment travelling belt 1-2 spends more at a slow speed, according to setting, the entrance that the solid metal 16 in hopper 1-1 is delivered to submersible type dog-house 2, owing to submersible type dog-house 2 base plane meets along the gradient �� throwing material direction:Quiet, 2), tan �� is greater than close to fIt is dynamic,, solid metal 16 can slowly slip in the liquid metal 14 of charging chamber 9; Solid metal 16 absorbs the heat melts of liquid metal 14, and melting process does not have touch opportunity with oxygen, avoids causing burning (scaling loss); Liquid metal 14 after solid metal 16 fusing flows into intensification room 6 and is warmed; So circulation, completes Metal smelting.
The present invention is energy-conservation from following three aspects: the heat that the indoor upper part fuel combustion that 1) heats up produces heat smoke passes to lower part and brought up to more than twice to tens of times by the heat trnasfer intensity of heating of metal, directly cause funnel temperature reduction minimizing calorific loss, metal heat-up rate to accelerate to shorten fuel combustion time, produce obvious energy-saving effect; 2) submersible type dog-house upper design becomes slightly higher than setting metal bath surface, prevents the spilling of hot gas in charging chamber; 3) automatic feeder is thrown material and is decreased the door opened time, a small amount of hot gas overflowed from submersible type dog-house is used for preheating solid metal 16 simultaneously.
The production method of heat transfer brick 12 can first carry out mould, with mould molding, then is sintered to finished product by pottery.
The present invention can be used for all non-ferrous metal aluminium, magnesium, potassium, sodium, calcium, strontium, barium, copper, lead, zinc, tin, cobalt, nickel, antimony, mercury, cadmium, bismuth, gold and silver, platinum, ruthenium, rhodium, palladium, osmium, iridium, beryllium, lithium, rubidium, caesium, titanium, zirconium, hafnium, vanadium, niobium, tantalum, tungsten, molybdenum, gallium, indium, thallium, germanium, rhenium, lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, scandium, yttrium, silicon, boron, selenium, tellurium, arsenic, thorium.
In sum, above embodiment only in order to the technical scheme of the present invention to be described, is not intended to limit; Although with reference to above-described embodiment to invention has been detailed description, it will be understood by those within the art that: the technical scheme described in the various embodiments described above still can be modified by it, or wherein part technology feature is carried out equivalent replacement; And these amendments or replacement, do not make the spirit and scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution.
Claims (6)
1. a metallurgical furnace, includes firing system, charging chamber that intensification room is connected with intensification room, eddy current well and automatic feeder; It is characterized in that: the top of described intensification room is divided into the combustion chamber including flame and heat smoke; Intensification room is provided with heat transfer brick between the liquid level of high temperature fluent metal and intensification room upper part, for the heat absorption speed improving metal.
2. metallurgical furnace as claimed in claim 1, it is characterized in that: described heat transfer brick be thermal radiation absorption than high heat conduction refractory materials, be divided into upper, middle and lower three layers, middle level is solid, levels inside is densely covered with the aperture as labyrinth of intercommunication, and fin can also be made by lower floor.
3. metallurgical furnace as claimed in claim 2, it is characterised in that: the density of material of described heat transfer brick is less than the density of liquid metal, material blackness height, to improve the ability of heat transfer brick absorbing radiation heat transfer.
4. metallurgical furnace as claimed in claim 3, it is characterised in that: described heat transfer brick and liquid metal are in close contact, and its lower floor immerses in liquid metal.
5. metallurgical furnace as claimed in claim 4, it is characterised in that: being provided with a submersible type between described charging chamber and automatic feeder and be fed into mouth, submersible type dog-house top is higher than metal bath surface, to prevent the spilling of hot gas in charging chamber during Tou Liao.
6. metallurgical furnace as claimed in claim 1, it is characterised in that: the production method of described heat transfer brick is with mould molding, is sintered to finished product by pottery.
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| CN113137867A (en) * | 2021-05-21 | 2021-07-20 | 宁波卓锋汽车科技有限公司 | Aluminum alloy smelting pot waste heat recovery device |
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