CN2421601Y - Ore-smelting furnace with carbon lining on its bottom - Google Patents
Ore-smelting furnace with carbon lining on its bottom Download PDFInfo
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- CN2421601Y CN2421601Y CN 00223128 CN00223128U CN2421601Y CN 2421601 Y CN2421601 Y CN 2421601Y CN 00223128 CN00223128 CN 00223128 CN 00223128 U CN00223128 U CN 00223128U CN 2421601 Y CN2421601 Y CN 2421601Y
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- layer
- punning
- brickwork
- paste
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- Expired - Fee Related
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 33
- 238000003723 Smelting Methods 0.000 title abstract description 5
- 239000010410 layer Substances 0.000 claims abstract description 83
- 239000011449 brick Substances 0.000 claims abstract description 26
- 239000011229 interlayer Substances 0.000 claims abstract description 8
- 239000003610 charcoal Substances 0.000 claims description 35
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 238000009413 insulation Methods 0.000 claims description 8
- LHGVFZTZFXWLCP-UHFFFAOYSA-N guaiacol Chemical compound COC1=CC=CC=C1O LHGVFZTZFXWLCP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000446 fuel Substances 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 4
- 239000000571 coke Substances 0.000 abstract description 3
- 239000004411 aluminium Substances 0.000 abstract description 2
- 229910052782 aluminium Inorganic materials 0.000 abstract description 2
- 239000002245 particle Substances 0.000 abstract 2
- WHRZCXAVMTUTDD-UHFFFAOYSA-N 1h-furo[2,3-d]pyrimidin-2-one Chemical compound N1C(=O)N=C2OC=CC2=C1 WHRZCXAVMTUTDD-UHFFFAOYSA-N 0.000 abstract 1
- 235000006173 Larrea tridentata Nutrition 0.000 abstract 1
- 244000073231 Larrea tridentata Species 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 230000003064 anti-oxidating effect Effects 0.000 abstract 1
- 238000013329 compounding Methods 0.000 abstract 1
- 229960002126 creosote Drugs 0.000 abstract 1
- 238000013517 stratification Methods 0.000 abstract 1
- 235000013339 cereals Nutrition 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000009423 ventilation Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000003963 antioxidant agent Substances 0.000 description 3
- 230000003078 antioxidant effect Effects 0.000 description 3
- 235000006708 antioxidants Nutrition 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 239000005997 Calcium carbide Substances 0.000 description 2
- 229910001021 Ferroalloy Inorganic materials 0.000 description 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 2
- 239000002956 ash Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 description 2
- OBSZRRSYVTXPNB-UHFFFAOYSA-N tetraphosphorus Chemical compound P12P3P1P32 OBSZRRSYVTXPNB-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- 230000003487 anti-permeability effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000643 oven drying Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
Images
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- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The utility model relates to an ore-smelting furnace with carbon lining on furnace bottom, belonging to a furnace bottom construction. Carbon normal temperature furnace building special paste punning layers (6), (7), (8), (9) are arranged between the side wall refractory bricks (10) and are arranged on furnace bottom refractory bricks (5), punning interlayer is formed by that a dovetail groove (14) and fixing by riveting holes (15), (24) are mutually embedded and riveted, purpose made creosote are brushed on the engaging surface of the interlayer to restore bonding property, coke particles (13) are coated on the surface of the carbon lining, and bustle pipes (17), (18) are buried in the coke particles to blow away fuel ash and to improve heat conduction. Fueling (20) stoving oven can integrate the carbon lining together. The carbon lining has the advantages of anti-oxidation, wear-resistance, no stratification, and no leakage. The utility model is suitable for an ore furnace, if carbonaceous paste compounding ratio is altered, the utility model is also suitable for an aluminium smelting cell, a blast furnace, etc.
Description
The utility model relates to the bottom construction of the hot stove in ore deposit, particularly a kind of ore deposit hot stove furnace bottom carbon lining brickwork.
Ferroalloy, industrial silicon, calcium carbide, yellow phosphorus all adopt mine heat furnace smelting in the prior art, hot stove furnace bottom in ore deposit and furnace wall lower inner liner all adopt carbon lining, and the traditional brickwork of carbon lining adopts brick fuel, smash to stick with paste with heat and build the gap, heat is smash will add when sticking with paste brickwork and is propagandized paste hotly, fry the paste temperature and want strict control, often, cause brick fuel showy because of the bad gap leakage that occurs of process conditions control, liner is damaged in advance, cause very large economy loss, glance coal is big during brickwork, and workman's working condition is abominable.
The cold paste of smashing that developed recently gets up, with calcined anthracite and metallurgical coke is primary raw material, this paste is applied to whole brickwork of the hot stove in ore deposit and sectional repair, still there are layer and the easy layering of interlayer, particularly carbon lining bulk density, compressive resistance, anti-oxidant, the wear-resisting corrosion that undermines anti-slag, molten iron etc. and anti-permeability performance do not reach the hot furnaceman in the ore deposit requirement of planting, some stove only uses the some months carbon lining with regard to oxidized approach exhaustion, is forced to the blowing out overhaul and heavily builds.
The purpose of this utility model is: a kind of ore deposit hot stove furnace bottom carbon lining brickwork is provided, it is to adopt the special-purpose brickwork of sticking with paste of the usually warm brickwork of charcoal, reaches the physical and chemical index that improves carbon lining and anti-oxidant, resistance to wears, anti-slag, iron etch and seepage failure prolong the liner purpose of service life.
Formation of the present utility model: by steel plate of furnace hearth, the sidewall doughnut-shaped steel plate, the furnace bottom heat-insulation layer, the special-purpose punning layer of sticking with paste of the plain brickwork of fire brick layer and charcoal constitutes, in the top of furnace bottom refractory brick (5) and the centre of sidewall fire brick layer (10) is the special-purpose punning layer (6) of sticking with paste of the usually warm brickwork of circular bottom charcoal, the special-purpose punning layer (7) of sticking with paste of the usually warm brickwork of middle level charcoal, the special-purpose punning layer (8) of sticking with paste of the usually warm brickwork of top layer charcoal, annular band special-purpose punning layer (9) and the annular common brick (11) of laid dry stuck with paste of the usually warm brickwork of sidewall charcoal of stretching one's legs, the special-purpose punning interlayer of sticking with paste is embedded mutually by dovetail groove (14) and rivet clasp hole (15) (24), rivet clasp, except that topsheet surface, brush special creasote at the special-purpose punning layer upper surface of sticking with paste of the usually warm brickwork of every layer of charcoal;
Furnace bottom is established air loop duct (17) (18), and air loop duct (17) is communicated with air main (16), and air loop duct (18) is communicated with air main (12); At top layer punning layer (8), above the punning layer (9) and topped in the gap between punning layer (9) and the laid dry annular common brick (11), fill burnt grain (13), at last refuelling (20) baker of topped burnt grain (13).There is rivet clasp hole (24) uniform dovetail groove (14) and rivet clasp hole (15) on bottom charcoal usually warm brickwork special-purpose paste punning layer (6) at the bottom of dovetail groove; The special-purpose punning layer (7) of sticking with paste of the usually warm brickwork of middle level charcoal is made up of multilayer, and uniform dovetail groove (14) and rivet clasp hole (15) are arranged above every layer, and rivet clasp hole (24) is arranged at the dovetail groove bottom; Below the top layer charcoal usually warm brickwork special-purpose paste punning layer (8) dovetail is arranged, above the punning layer (8) and punning layer (9) annular contact surface uniform rivet clasp hole (15), special-purpose punning layer (9) the face last layer atresia of sticking with paste of the usually warm brickwork of sidewall charcoal, below uniform rivet clasp hole (15) on every aspect.Along the circumferential direction there are two row's air vents (19) (25) air loop duct (17) (18) below, air vent (19) tilts 45 ° along the vertical direction of air loop duct (18), air vent (25) tilts 45 ° along the vertical direction of air loop duct (17), keeps a determining deviation between airduct and airduct.
Compared with the prior art, the utility model has adopted the special-purpose brickwork of sticking with paste of the usually warm brickwork of charcoal, and this is stuck with paste and is fit to ore deposit hot stove normal temperature brickwork requirement, need not fry paste, has improved construction environment; And in carbon paste, having added additives such as carborundum powder, silica flour, silicon dioxide powder, aluminium oxide powder, addition and kind require to make up according to different smelting processes; Can improve the physical and chemical index of carbon lining and anti-oxidant with this paste brickwork, etch and seepage failures such as wearing and tearing and anti-slag, iron prolong liner service life.
Carbon lining adopts layering to ram and builds, and interlayer has dovetail groove and the rivet clasp pore structure of gathering, and recovers surperficial adhesive property and make interlayer not stratified having built the special creasote of surface brush.
It is topped that the carbon lining of having built is carried out Jiao grain, ventilation duct is established in the bottom, blow away the fuel ashes and improve bottom heat conduction, use charcoal, fuel such as the firewood baker that on burnt grain overcoat, burns, control fuel input amount, ventilation duct and flue exhaust air rate control oven drying temperature, by certain heating curve temperature control, fugitive constituent overflows substantially in reaching carbon lining, stop baker after the powder knot agent charing, change over to and produce the back incipient stage and suitably slowly heat up, allow when producing the burner hearth temperature that progressively raises make carbon lining continue to realize that high temperature section baker and roasting make carbon lining reach every physical and chemical index.
Accompanying drawing 1 is the utility model structural representation;
Accompanying drawing 2 is vertical views of accompanying drawing 1;
Accompanying drawing 3 is A-A cutaway views of accompanying drawing 1;
Accompanying drawing 4 is B-B cutaway views of accompanying drawing 2;
Accompanying drawing 5 is C-C cutaway views of accompanying drawing 2;
Accompanying drawing 6 is baker heating curve figure.
Embodiment of the present utility model: as shown in Figure 1, be welded with sidewall doughnut-shaped steel plate (3) in the top of steel plate of furnace hearth (1), in sidewall doughnut-shaped steel plate (3) sidewall heat-insulation layer (4), in steel plate of furnace hearth (1) top is furnace bottom heat-insulation layer (2) and furnace bottom refractory brick (5), furnace bottom refractory brick (5) top in sidewall heat-insulation layer (4) is a two-stage annular sidewall fire brick layer (10), in furnace bottom refractory brick (5) top is by the special-purpose punning layer (6) (7) (8) of sticking with paste of the usually warm brickwork of the circular charcoal in band dovetail groove (14) and rivet clasp hole (15) (24), embeds mutually by dovetail groove and rivet clasp hole between every layer, rivet clasp; The endless belt special-purpose punning layer (9) of sticking with paste of the usually warm brickwork of sidewall charcoal of stretching one's legs is arranged on top layer (8), on the annular contact surface of punning layer (9) and bottom top layer (8), pass through rivet clasp hole (15) rivet clasp mutually, punning layer (9) also layering rammer is built, uniform rivet clasp hole (15) on every interlayer aspect, make the mutual rivet clasp of levels, atresia on the top layer face.The inboard certain distance laid dry annular of interval annular sidewall punning layer (9) common brick (11) on top punning layer (8) is used to keep off the topped burnt grain in the plain punning layer (9) of charcoal side.
Furnace bottom is established air loop duct (17) (18), air loop duct (17) is communicated with air main (16), two rows are along the circumferential direction arranged to respectively tilt 45 ° air vent (25) of both sides in air loop duct (17) below, air loop duct (18) and ventilation duct are responsible for (12) and are communicated with, along the circumferential direction have two to arrange to respectively tilt 45 ° air vent (19) of both sides in air loop duct (18) below; In top layer (8), all topped in the annular gap of above the sidewall (9) and (9) side and laid dry common brick (11), fill burnt grain (13), and make air loop duct (17) (18) be embedded in burnt grain middle part, (air loop duct will be controlled a determining deviation, the burner hearth main point increases air loop duct quantity), on topped burnt grain, add charcoal, fuel such as firewood (20), the firing up baker, regularly send compressed air to blow away the fuel ashes and improve bottom heat conduction to air loop duct, pass through fuel input, ventilation and flue exhausting amount control furnace temperature, carbon lining is heated evenly, so that guarantee stove quality.
As shown in Figure 2, go up weld side wall circular steel plate (3) at steel plate of furnace hearth (1), it in sidewall doughnut-shaped steel plate (3) sidewall annular heat-insulation layer (4), in sidewall heat-insulation layer (4) annular sidewall fire brick layer (10), it in sidewall fire brick layer (10) the special-purpose punning layer (9) of sticking with paste of the usually warm brickwork of annular sidewall charcoal, stop the laid dry annular common brick (11) that burnt grain (13) glides when on the special-purpose paste of the usually warm brickwork of top layer charcoal punning layer (8) face, baker being arranged, in laid dry annular common brick (11), air loop duct (17) (18) is arranged, go up connection air main (16) at air loop duct (17), go up the connection ventilation duct at air loop duct (18) and be responsible for (12), on top layer charcoal usually warm brickwork special-purpose paste punning layer (8), the special-purpose paste above the punning layer (9) and in the annular gap of (9) sidewall and laid dry common brick (11) of the usually warm brickwork of sidewall charcoal filled, topped burnt grain (13), air loop duct (17) (18) is embedded in the middle of the topped burnt grain, topped burnt grain (13) some of only drawing among Fig. 2.(21) two of drainage conduit are set in the carbon lining among the figure, build in the middle of charcoal usually warm brickwork special-purpose paste punning layer (7) (8) (9) after the available graphite electrode boring.
As shown in Figure 3, it is the A-A cutaway view, in special-purpose be arranged in parallel above the punning layer (7) dovetail groove (14) and rivet clasp hole (15) of sticking with paste of the usually warm brickwork of middle level charcoal, in the dovetail groove bottom rivet clasp hole (24) is arranged, in middle level charcoal usually warm brickwork special-purpose paste punning layer (7) outside is annular sidewall fire brick layer (10), annular sidewall heat-insulation layer (4) and sidewall doughnut-shaped steel plate (3), and sidewall doughnut-shaped steel plate (3) is welded on the steel plate (1).Every layer of dovetail groove is that same direction is horizontal among the figure, and every layer of dovetail groove changes direction during enforcement.
As shown in Figure 4, air loop duct (18) is a tubular, below have and the center vertical line air vent that tilts at 45 (19) on the tube wall.
As shown in Figure 5, air loop duct (17) is a tubular, below have and the center vertical line air vent that tilts at 45 (25) on the tube wall.
Be carbon lining baker heating curve as shown in Figure 6, abscissa is the heating-up time, and ordinate is a Celsius temperature, and this curve is for heating up 192 hours total times 500 ℃ of maximum temperatures; This curve heats up between 350 ℃ to 450 ℃ slowly, allows the abundant charing of binding agent in the thickener, strengthens carbon lining intensity; Use this curve baker carbon lining indeformable, physical and chemical index meets the requirements, baker finishes back cooling prepurging naturally, after changing the production phase over to, slowly band is expected the rising furnace temperature, the temperature that progressively raises when producing continues to make carbon lining to carry out high temperature section baker and roasting, makes it to reach the carbon lining that meets technological requirement.
Schematic diagram is pressed the ferro-alloy furnace bottom lining and is drawn, industrial silicon, calcium carbide, the hot stove bottom construction in the used ore deposit of yellow phosphorus are slightly different, but carbon lining structure unanimity changes the special-purpose aggregate proportioning of sticking with paste of the usually warm brickwork of charcoal, and this utility model brickwork can be used for carbon linings such as aluminium cell and blast furnace.
Claims (3)
1, a kind of ore deposit hot stove furnace bottom carbon lining brickwork, by steel plate of furnace hearth, the sidewall doughnut-shaped steel plate, the furnace bottom heat-insulation layer, the special-purpose punning layer of sticking with paste of the plain brickwork of fire brick layer and charcoal constitutes, it is characterized in that: in the top of furnace bottom refractory brick (5) and the centre of sidewall fire brick layer (10) is the special-purpose punning layer (6) of sticking with paste of the usually warm brickwork of circular bottom charcoal, the special-purpose punning layer (7) of sticking with paste of the usually warm brickwork of middle level charcoal, the special-purpose punning layer (8) of sticking with paste of the usually warm brickwork of top layer charcoal, annular band special-purpose punning layer (9) and the annular common brick (11) of laid dry stuck with paste of the usually warm brickwork of sidewall charcoal of stretching one's legs, the special-purpose punning interlayer of sticking with paste is embedded mutually by dovetail groove (14) and rivet clasp hole (15) (24), rivet clasp, except that topsheet surface, brush special creasote at the special-purpose punning layer upper surface of sticking with paste of the usually warm brickwork of every layer of charcoal;
Furnace bottom is established air loop duct (17) (18), and air loop duct (17) is communicated with air main (16), and air loop duct (18) is communicated with air main (12); Top layer punning layer (8), above the punning layer (9) and topped in the gap between punning layer (9) and the laid dry annular common brick (11), fill burnt grain (13), at last refuelling (20) baker of topped burnt grain (13).
2, the hot stove furnace bottom in ore deposit according to claim 1 carbon lining brickwork is characterized in that: there is rivet clasp hole (24) uniform dovetail groove (14) and rivet clasp hole (15) on bottom charcoal usually warm brickwork special-purpose paste punning layer (6) at the bottom of dovetail groove; The special-purpose punning layer (7) of sticking with paste of the usually warm brickwork of middle level charcoal is made up of multilayer, and uniform dovetail groove (14) and rivet clasp hole (15) are arranged above every layer, and rivet clasp hole (24) is arranged at the dovetail groove bottom; Below the top layer charcoal usually warm brickwork special-purpose paste punning layer (8) dovetail is arranged, above the punning layer (8) and punning layer (9) annular contact surface uniform rivet clasp hole (15), special-purpose punning layer (9) the face last layer atresia of sticking with paste of the usually warm brickwork of sidewall charcoal, below uniform rivet clasp hole (15) on every aspect.
3, the hot stove furnace bottom in ore deposit according to claim 1 carbon lining brickwork, it is characterized in that: along the circumferential direction there are two row's air vents (19) (25) air loop duct (17) (18) below, air vent (19) tilts 45 ° along the vertical direction of air loop duct (18), air vent (25) tilts 45 ° along the vertical direction of air loop duct (17), keeps a determining deviation between airduct and airduct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00223128 CN2421601Y (en) | 2000-05-24 | 2000-05-24 | Ore-smelting furnace with carbon lining on its bottom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00223128 CN2421601Y (en) | 2000-05-24 | 2000-05-24 | Ore-smelting furnace with carbon lining on its bottom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2421601Y true CN2421601Y (en) | 2001-02-28 |
Family
ID=33587727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00223128 Expired - Fee Related CN2421601Y (en) | 2000-05-24 | 2000-05-24 | Ore-smelting furnace with carbon lining on its bottom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2421601Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101838821A (en) * | 2010-03-12 | 2010-09-22 | 王国斌 | Novel lining of aluminum electrolysis cell |
| CN104630493A (en) * | 2015-02-15 | 2015-05-20 | 池州冠华黄金冶炼有限公司 | Copper melting furnace slag dilution device |
| CN107739764A (en) * | 2017-11-30 | 2018-02-27 | 北京首钢国际工程技术有限公司 | A kind of Blast Furnace Bottom completely spreads brick fuel structure and building method |
| CN108458595A (en) * | 2018-04-13 | 2018-08-28 | 胡广清 | A kind of mineral hot furnace furnace lining brick fuel and brickwork joint encapsulation process method |
-
2000
- 2000-05-24 CN CN 00223128 patent/CN2421601Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101838821A (en) * | 2010-03-12 | 2010-09-22 | 王国斌 | Novel lining of aluminum electrolysis cell |
| CN104630493A (en) * | 2015-02-15 | 2015-05-20 | 池州冠华黄金冶炼有限公司 | Copper melting furnace slag dilution device |
| CN104630493B (en) * | 2015-02-15 | 2018-02-09 | 池州冠华黄金冶炼有限公司 | A kind of Copper making slag depletion device |
| CN107739764A (en) * | 2017-11-30 | 2018-02-27 | 北京首钢国际工程技术有限公司 | A kind of Blast Furnace Bottom completely spreads brick fuel structure and building method |
| CN108458595A (en) * | 2018-04-13 | 2018-08-28 | 胡广清 | A kind of mineral hot furnace furnace lining brick fuel and brickwork joint encapsulation process method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUIZHOU POWER CARBON MATERIALS CONGER CO., LTD. Free format text: FORMER NAME OR ADDRESS: NING YONGZHANG |
|
| CP03 | Change of name, title or address |
Address after: No. 1 sunning dam (Guiyang Institute of chemical industry), Guizhou, China Patentee after: Kanggeli Carbon Material Co., Guizhou Address before: 550014, 26, 1 gate, 3 corundum street, Baiyun District, Guizhou, Guiyang Patentee before: Ning Yongzhang |
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| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |