CN102121789A - Smelting furnace - Google Patents

Smelting furnace Download PDF

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Publication number
CN102121789A
CN102121789A CN201110038527XA CN201110038527A CN102121789A CN 102121789 A CN102121789 A CN 102121789A CN 201110038527X A CN201110038527X A CN 201110038527XA CN 201110038527 A CN201110038527 A CN 201110038527A CN 102121789 A CN102121789 A CN 102121789A
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smelting
smelting furnace
working chamber
chamber
furnace
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陈久斌
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/60Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes

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Abstract

The invention provides a smelting furnace. The smelting furnace comprises a gas transmission device, a pipeline, valves and a fuel supply device. The smelting furnace is characterized in that a furnace chamber is provided with a heating chamber and a smelting chamber; the lower part of the heating chamber is communicated with the smelting chamber; the upper part of the heating chamber is provided with a heating chamber feeding hole and heating chamber gas outlets; the lower part of the smelting chamber is provided with smelting chamber discharge holes; a plurality of inlet channels are arranged on the side wall of the smelting chamber; and the gas outlet ends of the inlet channels are communicated with the smelting chamber. The smelting furnace is energy-saving and environment-friendly, can be used for smelting various metals and alloys, can be used for smelting aluminium by a fire method and can be used for directly smelting aluminium alloys. The smelting furnace can adopt any mineral for smelting, can realize carbothermal reduction of any metallic oxide and can smelt alloys even with soil or garbage, so the smelting furnace can turn stone and soil into gold and is true alchemy. The smelting furnace dispenses with cokes and synchronously completes ironmaking and steelmaking. The heat generated through steelmaking can be fully utilized and the waste gases can be unitedly treated. The smelting furnace can be used for producing glass, ceramic frits, sodium silicate and the like. The smelting furnace can adopt various materials, can smelt precious elements, can reduce emission of such pollutants as sulfur dioxide, can fully utilize the resources and can not produce slag.

Description

Smelting furnace
Technical field
The present invention relates to metallurgical equipment, furnace equipment fields such as blast furnace, furnace cupola, smelting furnace, reverberatory furnace, smelting furnace, specifically is a kind of smelting furnace.
Background technology
The flue-gas temperature that ubiquities such as existing blast furnace, furnace cupola, smelting furnace, reverberatory furnace, smelting furnace are discharged is too high, the heat energy utilization rate is low, and energy consumption is big, and is seriously polluted.Blast furnace, furnace cupola etc. must use coke, provide thermal source, conduct to support stock column, filter the liquation material with coke, and coke resource is limited, cost an arm and a leg coke production contaminated environment, the energy consumption that increases.Furnace cupola in use exists flue gas soaring, seriously polluted, produces a large amount of blast furnace gases during blast furnace is produced, as utilizes and improperly must bring a large amount of energy wastes.Blast furnace gas utilizes equipment investment big, utilizes benefit not high.Carbon monoxide content in the furnace cupola flue gas is also very high, and flue-gas temperature is very high, and these all bring a large amount of energy wastes.Blast furnace ironmaking need carry out raw material preprocessings such as ore sintering, pelletizing, increases energy consumption and expense expenditure; Can not directly use the poor value raw material, increase cost of material, can not make full use of resource; Precious metal in the ore can't extract, and causes the wasting of resources, residue contamination environment, land occupation resource.Ironmaking can't be finished synchronously with steel-making, need carry out molten iron transfer, secondary blowing, increases smelting cost; Electrolytic aluminium is generally adopted in aluminium metallurgy, and energy consumption is big, and is seriously polluted, and the waste residue red mud is difficult to handle, utilize, the land occupation resource, and the pyrogenic process aluminium metallurgy only rests on the experimental stage so far.Refining silicon can only be used electric furnace, and it is huge to consume energy.All metal smelts all produce a large amount of waste residues, and all containing a large amount of useful resources in the waste residue can't utilize, and wastes.Defectives such as ubiquity energy consumption height, not environmental protection such as glass furnace, preparing ceramic clinker stove, bubble flower alkali stove.
Summary of the invention
The object of the present invention is to provide a kind of brand-new smelting furnace, can use raw coal ironmaking, steel-making, copper metallurgy, aluminium metallurgy, refining silicon, the various alloys of refining etc., can be widely used in various pyrometallurgy field, can bring metallurgical revolution.Substantially no longer produce waste residue in the smelting process, can realize that resource makes full use of.
This smelting furnace can multi-use, alternative existing blast furnace, furnace cupola, smelting furnace, reverberatory furnace, smelting furnace etc., the smelting of various metals can be widely used in, fields such as steel-making, ironmaking, copper metallurgy, aluminium metallurgy, refining alloy, manufacture silicon, casting, metallurgy can be widely used in.Can use multiple mineral aggregate, but the multiple alloy of synchronous production can not produce slag substantially, can realize that resource makes full use of.Nonmetallic materials such as also available its production glass, preparing ceramic clinker, bubble flower alkali cut down the consumption of energy greatly than existing kiln.Also available its fusing various materials comprises multiple ore, slag, slag etc.
The ironmaking of this smelting furnace does not re-use coke, removes raw material preprocessings such as ore sintering, pelletizing from, can directly adopt various grade ore ironmaking, can directly utilize, handle blast furnace gas.Can reduce production costs greatly, can stop environmental pollution and energy waste that coke production is brought.Its capacity usage ratio is high, can cut down the consumption of energy greatly than traditional iron and steel production.Production capacity can surpass existing all blast furnaces during ironmaking, can realize ironmaking, make steel and finish synchronously.Can make full use of the heat that produces in the steelmaking process, can the waste gas that produce in ironmaking, the steelmaking process is unified handle environmental protection more.
This smelting furnace can be at ironmaking, copper metallurgy, aluminium metallurgy, refining silicon, extract noble elements such as gold, silver, platinum family noble metal, lanthanide series, rare earth element, tungsten, actinium, thorium, uranium when smelting productions such as various alloys, casting, preparing ceramic clinker, glass.Can make precious metal such as gold, silver source more extensive, the noble metal in the ore can be refined, separates, improve resource utilization greatly, increase the benefit, reduce the main business smelting cost.Can make metal smelting purity higher, can lay the first stone, can improve metal material for refining of metal.Can realize refining better, can further improve the purity of the pig iron, copper, glass, preparing ceramic clinker etc., reduce radioactive source and pollute.
This smelting furnace can make fuel combustion more abundant, and capacity usage ratio is higher, environmental protection more, and noxious gas emission significantly reduces, and is more energy-saving and cost-reducing, reduces production costs.
The present invention is achieved through the following technical solutions for achieving the above object:
Smelting furnace, comprise: air transporting arrangement, pipeline, valve and fuel supply system, it is characterized in that: furnace chamber is established heating clamber and working chamber, the heating clamber bottom is communicated with the working chamber, heating clamber top is provided with the heating clamber charging aperture, and heating clamber top is provided with the heating clamber gas outlet, and the bottom, working chamber is provided with working chamber's discharging opening, working chamber's sidewall is provided with many air intake ducts, and the air intake duct outlet side is communicated with the working chamber.Working chamber's inwall is provided with a plurality of A and leans out body.A leans out and establishes gas-liquid channel in the body.Establish a plurality of cooling air channels in the furnace wall, working chamber, the cooling air channel outlet side is communicated with the working chamber.Cooling air channel is communicated with bellows, and bellows are communicated with the heating clamber gas outlet by air transporting arrangement.Around the heating clamber inwall a plurality of B are set and lean out body.B leans out and establishes gas-liquid channel in the body.Around the heating clamber inwall multiple tracks afflux groove is set, afflux groove connected set chute discharging opening.Heating clamber charging aperture top is provided with preheating chamber, and the preheating chamber bottom is provided with quirk, and the heating clamber gas outlet is communicated with condensing unit by air transporting arrangement, and condensing unit is communicated with quirk by air transporting arrangement.
Working chamber's discharging opening is communicated with cupola well, and cupola well is established cupola well charging aperture and cupola well discharging opening.
The invention has the advantages that: smelting furnace of the present invention can use pluralities of fuel, can use multiple solid, liquid, gaseous fuel, also can use multiple fuel combination.Can utilize pure oxygen burning to produce hot environment, utilize the cooling air channel air intake to realize the inwall cooling of furnace wall, solve the creation and the control difficult problem of hot environment.Smelting furnace of the present invention is exactly a high-temperature physics, chemical reactor, can realize many high-temperature physics, chemical reaction.
The coal gas and the waste gas that produce during this smelting furnace is smelted fully burn on top, working chamber, and further energy savings can be removed the trouble of handling coal gas from, and the while can make multiple harmful components in the waste gas by the high temperature harmless treatment.Waste gas enters heating clamber material is heated the back discharge, greatly reduces exhaust temperature, and heat energy is utilized more fully.Tail gas can focus on, and also can utilize acid exhaust, extract to change into and grade.
When this smelting furnace adopts pure oxygen burning, can utilize multiple metal, metalloid element in the pyrocarbon thermal reduction mineral aggregate, can make full use of resource, can not produce slag substantially.It can use multi mineral to smelt, and can realize the thermal reduction of multiple metal oxide, quasi-metal oxides, halide can be separated, and promptly uses soil or rubbish also can produce alloy.Available its disposal of refuse, available rubbish is done mineral aggregate.It is real alchemy, is to turn a crude essay into a literary gem, change native Cheng Jin.Can utilize multi mineral to refine out aluminium alloy, ferroalloy, industrial silicon, light metal alloys and noble metal alloy.Can in the main metal alloy of refining, produce the byproduct alloy.
This smelting furnace directly utilizes protecting wall structure to realize the support stock column, filters liquation, can make that the thickness liquation is smooth and easy to be flowed down, and makes the high-melting-point material can not influence the smelting furnace operation, avoids freezing stove, canopy stove accident takes place.Utilize protecting wall structure to realize reduction furnace pressure, smooth and easy combustion gas.
During the ironmaking of this smelting furnace, the body of heater production capacity of unit volume can substantially exceed the body of heater production capacity of blast furnace unit volume, can transform blast furnace.Ironmaking does not re-use coke, can use the coal dust of various atures of coal.Can realize ironmaking, steel-making kiln integrated, the heat that produces in the steelmaking process is fully utilized, the combustible in the waste gas that produces in the steelmaking process is fully burnt, make the pernicious gas that produces in the steelmaking process by the high temperature harmless treatment, handled energy-conserving and environment-protective more by unified.
The mineral aggregate that this smelting furnace can use multiple granularity to mix, selection body of heater internal diameter size that can be wider can further strengthen body of heater internal diameter and height, can improve production capacity greatly.Can directly use ore smelting, casting, can remove raw material preprocessings such as ore selecting and purchasing, sintering from, can directly use various low-grade mineral aggregates, can reduce smelting, casting cost greatly.
This smelting furnace can bring the steel industry revolution; Can bring the alloy production revolution; Can bring the non-ferrous metal metallurgy revolution; Can bring metallurgical Industrial Revolution; Can bring the material industry revolution; Can bring the mineral resources revolution.Aluminum Electrolysis Production can be eliminated, Aluminum production revolution can be brought; Can bring silicon industry production revolution, can realize pyrogenic process refining silicon, can directly use refining metallic silicons such as quartz sand, sandstone or soil, can directly develop the desert as mineral resources.Can when smelting silicon, smelt multiple alloy, multiple precious metal, can improve metallic silicon output greatly, cut down the consumption of energy greatly, reduce the metallic silicon cost, can make metallic silicon become a kind of essential industry material also more cheap, metallic silicon is used widely in various materials than iron and steel.
This smelting furnace can provide cheap various alloys, can handle various rubbish, can realize the resource circulation utilization, can make full use of various mineral resources.It is simple in structure, and is easy to manufacture, and smelting process is simple, can be widely used in can realizing the pyrometallurgical smelting of most metals, metalloid in the productions such as various pyrometallurgy, casting, glass, preparing ceramic clinker, bubble flower alkali.
Description of drawings
Accompanying drawing 1 is the main TV structure schematic diagram of one of embodiment of the invention;
Accompanying drawing 2 is that the A-A of accompanying drawing 1 is to the sectional structure schematic diagram;
Accompanying drawing 3 is main TV structure schematic diagrames of two of the embodiment of the invention;
Accompanying drawing 4 is that the B-B of accompanying drawing 3 is to the sectional structure schematic diagram;
Accompanying drawing 5 is main TV structure schematic diagrames of three of the embodiment of the invention;
Accompanying drawing 6 is main TV structure schematic diagrames of four of the embodiment of the invention;
Accompanying drawing 7 is main TV structure schematic diagrames of five of the embodiment of the invention;
Accompanying drawing 8 is main TV structure schematic diagrames of six of the embodiment of the invention;
The specific embodiment
Agent structure of the present invention is: smelting furnace, comprise: air transporting arrangement 3, pipeline 4, valve 5 and fuel supply system 7, furnace chamber 9 is established heating clamber 10 and working chamber 11, heating clamber 10 bottoms are communicated with working chamber 11, heating clamber 10 tops are provided with heating clamber charging aperture 14, and heating clamber 10 tops are provided with heating clamber gas outlet 15, and 11 bottoms, working chamber are provided with working chamber's discharging opening 6, working chamber's 11 sidewalls are provided with many air intake ducts 17, and air intake duct 17 outlet sides are communicated with working chamber 11.
Air transporting arrangement 3 can use the blower fan of different size model as the case may be, a plurality of blower fans can be set, can use multiple gases compression, conveying equipments such as centrifugal blower, roots blower, centrifugal compressor, can select different heatproof blower fans respectively for use according to gas temperature, air-introduced machine can be set carry tail gas, tail gas is handled.Can utilize the blast and the air quantity of converter technique control blower fan, better control the kiln operation.Can will flow to blower fan from the multipath gas unifications such as waste gas that produce in the gas of the gas of gathering using waste heat from tail gas, cooled furnace wall, the converting process, can be on each road gas pipeline mounted valve, utilize the air quantity of deployed each the road gas of valve.For guaranteeing that kiln normally moves, standby fan is set.Can utilize oxygen tank or oxygen generating plant as air transporting arrangement when adopting pure oxygen burning, directly oxygen be flowed to smelting furnace, pure oxygen burning can better improve furnace temperature, reduces discharged nitrous oxides, reduce heat energy loss, energy-conserving and environment-protective more.
Pipeline 4 can be with iron pipe or resistant to elevated temperatures stainless steel tube.When carrying high-temperature gas, insulation material can be wrapped up in exposed pipeline outside.During pulverized coal conveying, inner-walls of duct can be provided with wearing layer.
Valve 5 can adopt various control valve control air quantity and fuel feed.Can adopt realization valves such as magnetic valve to control automatically.
Fuel supply system 7 can directly connect air intake duct 17 by pipeline 4, and when using liquid or gaseous fuel, liquid or gaseous direct fuel after fuel supply system can will pressurize by cartridge are sent into air intake duct 17.When using solid fuel, fuel supply system can utilize air-flow, by pipeline pulverulent solids fuel is conveyed into air intake duct 17, can utilize blower fan powdery solid fuel.Can use than the rough coal powder, can stop coal dust explosion hazard, can be safer, the direct spray feed coal dust of equipment such as available coal-grinding and powder-spraying machine.The tail gas that can utilize smelting furnace to discharge passes coal-grinding and powder-spraying machine as conveying wind, can dry raw coal, can improve coal-grinding efficient, can avoid coal dust explosion hazard simultaneously, can simplify coal-grinding equipment.During special requirement, can import gaseous fuel and coal dust fuel simultaneously, make smelting furnace use fuel combination, can be more conducive to improve furnace temperature to working chamber 11.Furnace chamber can be provided with the movable sealing fire hole, and available existing burning torch igniting after the igniting is extracted burning torch out, and fire hole is got final product with the sealing bolt sealing.Can the using gases fuel ignition, can first using gases fuel ignition when using coal dust, when acquiring a certain degree, temperature resupplies coal dust.Can utilize air intake duct set-point fire hole, fire hole can use as flame-observing hole simultaneously, and the more convenient observation of sheet glass can be set.Temperature measuring equipments such as infrared thermometer, thermocouple can be adopted, control kiln temperature automatically can be cooperated with device such as computer.
Furnace chamber 9 is established heating clamber 10 and working chamber 11, and heating clamber 10 bottoms are communicated with working chamber 11.Furnace chamber can be selected different refractory materials as the case may be for use, and furnace chamber inside is built into refractory brick, but the smelting furnace scheduled overhaul can repair the inwall refractory material, change during overhaul.Furnace chamber 9 inner chambers can be made into round barrel shape, and it is fixed that furnace chamber 9 height can wait according to the internal diameter size of the category of material, granular size, furnace chamber 9.Furnace chamber can be arranged to up-thin-low-thick structure, can make material sedimentation more smoothly, and furnace chamber also can be arranged to equally thick up and down structure, can make to build to simplify.It is barrel-shaped that the furnace chamber inner chamber also can the side of making, and shortcoming is to be unfavorable for realizing thermal balance in the stove, causes the air-flow dead angle easily, is difficult for forming eddy current, does not generally adopt.Furnace chamber can seal with iron plate, and outer periphery concrete or steel structure support are firm, can better improve furnace chamber sealing and intensity.Adiabator layer can be set up in the heating clamber furnace wall increases heat insulation effect, available fireproof insulation brick, high temperature resistant rock wool, and the outside seals with iron plate.Cooling device can be established in the furnace wall, working chamber, can adopt air cooling or water-cooled, and the setting of State of Blast Furnace bottom structure can be adopted in working chamber bottom, can adopt cooling means at the bottom of the State of Blast Furnace.Heating clamber 10 height can be selected 1: 0.382 with the ratio of heating clamber internal diameter, the ratio of heating clamber 10 height and working chamber's 11 height can be selected between 1: 1 or 1: 0.618, select 1: 0.618 ratio that the heating clamber height is increased, can utilize waste heat more fully, shortcoming is to increase the furnace chamber cost, increases the blower fan resistance.Heating clamber 10 and working chamber 11 can be the line of demarcation according to top let, and the top let top is a heating clamber.The furnace chamber outside can the setting operation platform, can be arranged side by side by a plurality of furnace chambers, can realize that a plurality of smelting furnaces install side by side, can save the space, can shared some equipment, platform can be coupled together, can more conveniently operate, can more save material, can better improve overall construction intensity.
Heating clamber 10 tops are provided with heating clamber charging aperture 14.Can above charging aperture 6, hopper be set, utilize feeding device in hopper, to add material, utilize material to realize the charging aperture sealing.Material loadings such as available elevator, conveyer belt can seal hopper, flying dust in the time of can avoiding reinforced.
Heating clamber 10 tops are provided with heating clamber gas outlet 15.Can be in the heating clamber gas outlet annular be set around 15 and leans out beam, annular leans out on the heating clamber sidewall of beam below and establishes the heating clamber gas outlet, and the heating clamber gas outlet connects air-introduced machine.One or multi-channel intersection crossbeam can be set when the heating clamber internal diameter is excessive form right-angled intersection or netted intersection, intersection crossbeam and annular lean out beam and can stop the material sedimentation, form the space below leaning out beam intersecting crossbeam and annular, form gas channel, waste gas is siphoned away by air-introduced machine better.After handling, the tail gas that air-introduced machine is discharged enters atmosphere, environmental protection more.Air-introduced machine can make the charging aperture place form negative pressure, and making can flying dust, environmental protection more when feeding in raw material.Air-introduced machine connects exhaust gas processing device, and exhaust gas processing device can also can utilize acid exhaust, extract chemical substance, collect carbon dioxide, extract gas halide etc. tails dedusting, desulfurization etc., and the dust that removes adds heating clamber again and gets final product.For utilizing heat more fully, waste gas can enter atmosphere by air preheater again, and combustion-supporting gas enters air transporting arrangement after by air preheater, and air transporting arrangement is supplied with the gas that heated to furnace chamber, can further improve the heat energy utilization rate.
11 bottoms, working chamber are provided with working chamber's discharging opening 6, can on working chamber's 11 lower sides, working chamber's discharging opening 6 be set, offer a plurality of working chambers discharging opening at working chamber's bottom periphery, open working chamber's discharge hole for discharge in turn, can avoid the high-melting-point material grains in working chamber's bottom deposit.Working chamber's discharging opening 6 can be used obstructions such as stopper, stemming, and clay gun and tapping machine can be set, and opens working chamber's discharging opening 6 with tapping machine during discharging and gets final product.A plurality of working chambers discharging opening is set puts liquation by turns, stop up working chamber's discharging opening with stemming and realize working chamber's discharging opening repairing, can avoid the erosion of high temperature solution working chamber's discharging opening.Working chamber's discharging opening can be established runner, transhipment bag etc. for 6 times liquation is shifted, and can strengthen flow channel depth and length, forms stillpot in runner, and the noble metal alloy precipitation is reclaimed, and the runner top is salable, avoids liquation to contact with air, avoids contaminated environment.Runner can be looped around the periphery of bottom, working chamber, can flow out collection by more convenient liquation.
Working chamber's 11 sidewalls are provided with many air intake ducts 17, and air intake duct 17 is communicated with working chamber 11.Utilize air intake duct 17 in furnace chamber, to send into gas and fuel, many air intake ducts 17 can be set, can help fuel and evenly enter in the working chamber 11.Can utilize blower fan that air-flow is pressurizeed, air-flow is rushed in the working chamber 11.
Can directly liquation be transported in the production and carry out refining or directly application.Can outside working chamber's discharging opening, runner be set, can strengthen flow channel depth and length, in runner, form stillpot, the noble metal alloy precipitation is reclaimed.The runner top is salable, avoids liquation to contact with air, avoids contaminated environment.
The structure of one of embodiment of the invention is: on the agent structure basis, working chamber's 11 inwalls are provided with a plurality of A and lean out body 40.Can keep at a certain distance away on working chamber's inwall as required is provided with a plurality of A and leans out body 40, and A leans out body 40 and protrudes and can stop the material vertical sedimentation, can form the space below A leans out body 40, can utilize this space to form the combustion space.Air intake duct 17 gas outlets can be located at A and lean out body 40 belows, better air inlet.A leans out body 40 tops and is arranged to inclined-plane or step-like, can make material sedimentation more smoothly.A leans out body 40 and can be built into special form brick or lengthening refractory brick, A leans out the protrusion length of body 40 can be according to determining through size etc. is concrete in the flexural capacity of refractory material and the furnace chamber, it is not long that A leans out body 40 protrusion length, avoid the refractory material fracture, generally protrude length and can adopt 100mm-1000mm.
The further structure of present embodiment is: A leans out and establishes gas-liquid channel 8 in the body 40.A leans out between the body 40 and can keep at a certain distance away, and can form a plurality of gas-liquid channels 8, and liquid liquation is flowed down smoothly, can realize Separation of Solid and Liquid better, can improve the sedimentation capacity of thickness liquation, avoids freezing stove and takes place.Can make the portion of hot air-flow up, can reduce furnace pressure, improve furnace wall safety, can reduce furnace wall thickness greatly, reduce the body of heater cost greatly along gas-liquid channel 8.Material better is heated, makes the stock column periphery form high temperature reaction zone, stock column is constantly melted from the periphery, can improve reaction speed, improve furnace efficiency, stop the scaffold accident, make the more stable operation of kiln.Can make the smelting furnace internal diameter do very greatly, the smelting furnace production capacity is significantly improved, production capacity can surpass existing all large blast furnace production capacities.
Present embodiment can make that the thickness liquation is smooth and easy to be flowed down, and can solve the smelting difficult problem when the high-melting-point content of material is too high in the mineral aggregate, stops to freeze stove, canopy stove accident takes place.Can make the stock column periphery form exhaust gases passes better, flue gas can be moved upward along the stock column periphery, make the smelting furnace operate as normal.
Present embodiment can be done working chamber's 11 inner chamber cross sections circular, air intake duct 17 also can 11 inner chamber cross section tangential directions be provided with along the working chamber, can help improving air motion, and fuel is burnt more fully, make thermal current better to material heating, make material better, be heated faster.Bottom, working chamber air intake duct 17 can radially be provided with along working chamber's inner chamber cross section, and top, working chamber air intake duct 17 can 11 inner chamber cross section tangential directions be provided with along the working chamber, can make the gas fuel burning that produces in the fusion process abundant better.
Two structure of the embodiment of the invention is: on the architecture basics of above embodiment, establish a plurality of cooling air channels 26 in 11 furnace walls, working chamber, cooling air channel 26 outlet sides are communicated with working chamber 11.Cooling air channel 26 can be realized stove inner wall surface air cooling better, can realize the furnace wall refractory cooling, can improve refractory material intensity, avoids refractory material to be subjected to temperatures involved to cause weight capacity to descend.Can when building block refractory brick, reserve brickwork joint, admission line is set in brickwork joint, the admission line outlet side is downward-sloping, avoid liquation outwards to reveal along admission line, away from tamping with castable refractory etc. in the brickwork joint of working chamber's end, reserve brickwork joint near working chamber's end, directly use fire-resistant brickwork joint as cooling air channel 26, but simplified structure can be realized cooling better.Can form air inlet in the stove inner wall surface, form the refrigerating gas layer that one deck has certain pressure, can play the effect of air curtain protective layer, can avoid the furnace wall scaling loss better, prolong kiln service life greatly in the stove inner wall surface.The also available porous brick in furnace wall is built into, and numerous cellular tiny cooling air channels along working chamber's inner chamber cross section arranged radially are set in porous brick, utilizes these tiny cooling air channels to be blown into cooling air.Can adopt smelting furnace tail gas as cooling air, can consider that the cooling air flow is excessive, can make cooling air in stove, realize closed cycle, not increase the exhaust emissions amount, the controlled cooling in furnace wall can be realized, will cooling effect can be increased as cooling air behind the smelting furnace tail gas collection waste heat.
The further structure of present embodiment is: cooling air channel 26 is communicated with bellows 13, and bellows 13 are communicated with heating clamber gas outlet 15 by air transporting arrangement 3.Can utilize and form bellows 13 between furnace chamber outsourcing iron plate and the refractory brick, available iron plate is partitioned into multilayer with bellows 13, every layer of bellows 13 all connect air inlet pipe, flow and gas pressure with valve control air inlet pipe can be controlled gas pressure and gas flow in the bellows, can control refrigerating gas pressure and flow in the cooling air channel.Bellows 13 are communicated with heating clamber gas outlet 15.Can be communicated with gas outlet, hot cell 15 by air transporting arrangement 3, can adopt smelting furnace tail gas as cooling air, can consider that the cooling air flow is excessive, can make cooling air in stove, realize closed cycle, do not increase the exhaust emissions amount, the controlled cooling in furnace wall can be realized, will cooling effect can be increased as cooling air behind the smelting furnace tail gas collection waste heat.
After present embodiment heat energy arrives working chamber's inwall by radiation delivery, the air-flow that constantly is blown into the working chamber is taken away, make working chamber's inner wall temperature can be very not high, the heat transfer direction of thermal convection current and air motion direction are in the same way, heat conducting heat transfer rate is well below air motion speed, so heat constantly is blown into the air-flow of working chamber and takes away, bring in the stock column, make working chamber's inwall keep relatively low temperature.The outer wall cooling is generally all adopted in the furnace wall cooling of tradition kiln, transmits heat by the furnace wall, realizes thermal balance, has caused the lot of energy loss, has also caused the scaling loss of furnace wall, made in the stove by materials limitations and can't realize higher temperature.Present embodiment has been realized the inner wall surface cooling of furnace wall, has avoided energy loss, has avoided furnace wall inner surface scaling loss, has solved the creation and the control difficult problem of hot environment, has solved the body of heater problem of materials.
Present embodiment can directly be blown into pure oxygen in stove, realize pure oxygen or oxygen-enriched combusting, realizes pure oxygen or oxygen enrichment high melt.Can improve furnace temperature greatly, can reduce gas greatly and take away heat, more energy-conservation, significantly reduce nitrogen oxide, nitride generation.Can directly collect carbon dioxide, utilize tail gas to extract chemical analysis, gas halide, relieving haperacidity etc., can reduce pollution greatly, realize the cleaning discharging.Pure oxygen or oxygen-enriched combusting temperature can reach more than 2300 degree, even higher temperature can occur, make mineral aggregate that thermal reduction reaction at high temperature take place fast, make the mineral aggregate surface form reaction zone.Under hot environment, the carbon monoxide molecule motion is the most active, can break away from reaction zone fast, the affinity that causes carbon and oxygen is greater than all metals, metalloid element, make carbon can with all metal oxides, quasi-metal oxides generation thermal reduction reaction, finally restore multiple metal, metalloid.The high temperature solution that metal, metalloid reaction back generate flows down, and flows to the place, furnace wall, is subjected to the cooling air influence, and temperature descends fast, and melt temperature can be controlled in the suitable scope fully, can not produce harmful effect to the furnace wall.
When present embodiment is smelted, adopt pure oxygen or oxygen enrichment high melt, can utilize high temperature directly with original mineral aggregate reduction, fusing; the mineral aggregate that can directly use size particles to mix; can not re-use slag former, can further improve production efficiency, improve yield of alloy greatly.Can directly reduce elements such as silicon, aluminium, titanium, magnesium, beryllium, lithium, obtain silicon, aluminium, titanium, magnesium, beryllium, lithium metal alloy, can adopt hydrometer method directly to separate various metal alloys, the method for refining by other can obtain required metal or alloy again.All metals, metalloid in the mineral aggregate all can be restored, can make full use of resource, increase economic efficiency greatly, can directly slag be turned waste into wealth, avoid the slag contaminated environment.Scum silica frost shove charge again can be continued melting in the production, can handle slag, substantially no longer produce slag.
Present embodiment adopts pure oxygen or oxygen enrichment high melt, can use multiple mineral aggregate to smelt multiple metal or alloy, can directly smelt various mineral, can obtain various alloys.The mineral of the heterogeneity that all size particle the is mixed back that is mixed in proportion smelts; can obtain a greater variety of alloys, these alloys can directly be used, and alloy production is settled at one go; can bring the revolution of material industry, various alloy materials be become be dirt cheap.
Present embodiment adopts pure oxygen or oxygen enrichment high melt, can realize the pyrogenic process aluminium metallurgy, can directly use refining aluminium alloy, industrial silicon, ferroalloys etc. such as bauxite, bauxite, pelite, clay, sandstone or soil, can deployed as required raw material, directly refine required alloy, contain elements such as titanium, magnesium, silicon, beryllium in this aluminium alloy, can improve aluminum alloy material greatly, improve intensity of aluminum alloy, hardness, surperficial luminosity, material corrosion resistance greatly.Can produce cheap aluminium alloy in a large number, the aluminum alloy materials source is more extensive, and resource reserve is more sufficient, and available aluminium alloy replaces iron and steel.When melting is produced, liquation is transferred to the refining bag, sedimentation separation can obtain ferroalloy, aluminium alloy.Silicon, aluminium, iron, magnesium, titanium are wide secondary elements, reserves are abundant in various mineral, can utilize multi mineral to refine out aluminium alloy, ferroalloy, can when smelting main metal, refine out byproduct: aluminium alloy, ferroalloy, industrial silicon, light metal alloys and noble metal alloy.
Present embodiment adopts pure oxygen or oxygen enrichment high melt, can realize pyrogenic process refining silicon, can directly use refining metallic silicons such as quartz sand, sandstone or soil, can directly develop the desert as mineral resources.Can when smelting silicon, smelt multiple alloy, various precious metal, can improve metallic silicon output greatly, cut down the consumption of energy greatly, reduce the metallic silicon cost, can make metallic silicon become a kind of important materials also more cheap than iron and steel, metallic silicon is used widely in various materials, can brings the material industry revolution.A large amount of silicon that add can improve aluminum alloy hardness, luminosity and corrosion resistance greatly in aluminium alloy door's window material or aluminum alloy surface ornament materials, make aluminium alloy more attractive in appearance.
Three structure of the embodiment of the invention is: on the architecture basics of above embodiment, around heating clamber 10 inwalls a plurality of B are set and lean out body 19.B leans out body 19 can be built into ring-band shape with lengthening refractory brick, leans out length 50mm-200mm and gets final product, and B leans out body 19 tops can be arranged to the inclined-plane, helps the material sedimentation, avoids the material deposition.A plurality of B are set lean out body 19, each B leans out body 19 spacing distance up and down each other and specifically sets as required.B leans out body 19 can better cut off thermal current along the rising of heating clamber inwall straight line, avoids thermal current to form the hot blast tunnel at heating clamber inwall place, and material better is heated.B leans out body 19 can stop the material vertical sedimentation, and B leans out body 19 belows can form the space, can alleviate stock column air upflow resistance on every side, and air-flow is evenly risen around stock column.
The further structure of present embodiment is: B leans out in the body 19 and establishes gas-liquid channel.B leans out body 19 and can assemble with refractory brick is staggered, can reserve the slit between the refractory brick and form gas-liquid channel.Can adopt the following method that assembles: ground floor refractory brick leans out 50mm-200mm from the stove inwall, reserve the slit between refractory brick, second layer refractory brick is concordant with the stove inwall, the 3rd layer of refractory brick leans out 50mm-200mm from the stove inwall, reserve the slit between refractory brick, slit between this slit and the ground floor refractory brick is staggered up and down, form interconnection between ground floor refractory brick and the 3rd layer of refractory brick, form the vertical passageway between the interlayer refractory brick, interconnection and vertical passageway connect, make the furnace wall form a netted passage of being close to the furnace wall, make waste gas, make the low melting point liquation descending along stock column more smoothly on every side more smoothly along stock column up discharge on every side.
The present embodiment smelting furnace can make waste gas discharge more smoothly, can reduce furnace pressure, can reduce the stock column ventilation requirement.
Four structure of the embodiment of the invention is: on the architecture basics of above embodiment, around heating clamber 10 inwalls multiple tracks afflux groove 20 is set, afflux groove 20 connected set chute discharging openings 21.
Present embodiment at interval certain vertical range on heating clamber 10 inwalls is provided with multiple tracks afflux groove 20, afflux groove 20 can be welded into or heterotypic fire brick is built into the heatproof stainless steel, afflux groove 20 tops are provided with the ring-band shape baffle plate, avoid mineral aggregate to leak in the afflux groove 20, ring-band shape baffle plate below is arranged to skewed, liquation can be flow in the afflux groove 20 get final product.When smelting temperature is higher, can utilize afflux groove 20 to collect volatility or the lower material of boiling point, the material that boiling point is lower flashes to gas under the high temperature of working chamber, gas is up on every side along stock column, and temperature descends gradually, and condensation of gas becomes liquid, liquid flows down along the furnace wall, flow in the afflux groove 20 and collect, certain hour is at interval opened afflux groove discharging opening 21 liquid is emitted.The afflux groove of differing heights can be collected the material of different boiling, with these materials distill, fractionation, separation, extraction, purification etc. can obtain multiple useful compound, can extract multiple rare material.When pure oxygen or oxygen enrichment high melt, halide, interhalogen compounds can be separated, make heating clamber inwall non-nodulating, make smelting furnace not produce slag.
Five structure of the embodiment of the invention is: on the architecture basics of above embodiment, heating clamber charging aperture 14 tops are provided with preheating chamber 16, preheating chamber 16 bottoms are provided with quirk 18, heating clamber gas outlet 15 is communicated with condensing unit 22 by air transporting arrangement 3, and condensing unit 22 is communicated with quirk 18 by air transporting arrangement 3.Annular quirk 18 can be set in preheating chamber 16 bottoms, heating clamber gas outlet 15 flows to condensing unit 22 by air-introduced machine with tail gas, condensing unit 22 can adopt water-cooled or air cooling that tail gas is cooled off, when being set, air cooling can utilize the air inlet of waste heat heating smelting furnace, condensing unit 22 is provided with head piece, can collect discharging after the vaporizer condensations such as the sulphur that exists in the tail gas, phosphorus.Condensing unit 22 gas outlets are communicated with quirk 18 by air transporting arrangement, condensed tail gas can be sent into quirk 18 internal combustion, make the combustible after-flame in quirk in the tail gas.
Present embodiment can reduce pollutant emissions such as sulfur dioxide greatly, can collect sulphur etc., can increase economic efficiency.
Six structure of the embodiment of the invention is: on the architecture basics of above embodiment, working chamber's discharging opening 6 is communicated with cupola wells 12, and cupola well 12 is established cupola well charging aperture 1 and cupola well discharging opening 2.Can utilize cupola well to separate liquation, separate scum silica frost, separate alloy, blowing carbon drop desulfurization phosphorus, refining etc., cupola well can select different refractory materials to build as required, and hearth wall can be provided with the refractory material protective layer of one deck corresponding material according to different needs.The also available existing converter of cupola well replaces, and shortcoming is the cost height.
Present embodiment can be provided with a plurality of cupola wells around furnace chamber, realize working by turns, and alternately operating is safeguarded in turn, guarantees ordinary production.Cupola well 12 can be set below working chamber's discharging opening 6, a plurality of cupola well discharging openings 2 can be set in cupola well top, middle part or bottom.Open working chamber's discharging opening 6 liquation, scum silica frost are all flowed in the cupola well, directly discharge scum silica frost and the lighter liquation of proportion from the cupola well upper part discharge port.Cupola well discharging opening 2 can be used obstructions such as stopper, stemming, can establish runner, transhipment bag etc. under the cupola well discharging opening with transfers such as liquations.
Present embodiment cupola well 12 can be provided with multistage cupola well, can make noble element at first order cupola well bottom precipitation, the interval certain hour, open first order cupola well bottom discharging opening and can draw off noble metal alloy, this alloy is carried out refining can isolate multiple noble element, noble metal alloy can transport that to carry out secondary concise.Can be at ironmaking, copper metallurgy, aluminium metallurgy, refining silicon, extract noble elements such as gold, silver, platinum family noble metal, lanthanide series, rare earth element, tungsten, actinium, thorium, uranium when smelting productions such as various alloys, casting, preparing ceramic clinker, glass.Can make metal smelting purity higher, can lay the first stone, can improve metal material, can realize the iron and steel refining better for refining of metal.Can improve the purity of the pig iron, copper, glass, preparing ceramic clinker etc.Can from second level cupola well begin to be divided into multistage, organize cupola well more, the flow channel type precipitation mortise of the also available intensification lengthening of first order cupola well replaces, first order cupola well can be made the precipitation grooved, a plurality of U-shaped runners can be set in cupola well, make that liquation is continual to be flow through from first order cupola well, the precious metal element is deposited in the first order cupola well.Also can around furnace chamber, a plurality of first order cupola wells be set, can realize the maintenance in turn of first order cupola well, work by turns.Cupola well also can be established the blowing device, utilizes that cupola well blows, desulfurization phosphorus, carbon drop, realizes that metal is concise.Also can be provided with multistage, organize cupola well more, cupola well also can be arranged to rectangular pond shape.
During present embodiment steel-making, can cancel converter, can reduce the steelmaking equipment overall cost greatly, can make ironmaking, steel-making synchronization job.Cupola well can be provided with many groups, multistage cupola well, and cupola well can be made with existing steelmaking converter material, and inner lining material is set, and can utilize blast furnace spraying repair apparatus that inner lining material is repaired fast.The available existing steel-making blowing device of the blowing device of establishing in the cupola well can be provided with multiple blowing apparatus such as bottom blowing, top blast, side-blown, can be blown into protective gas by the blowing device and further improve yield of alloy.Can utilize the top blowing device in cupola well, to spray into various slag formers or alloy condiment etc.The bottom blowing device can be set, can a plurality of nozzles evenly be set, molten iron is evenly rolled, shorten the steel-making time in the cupola well bottom.Utilize blowing device to be blown into O2, CO, carbon dust or lime etc., but end spray also can be pushed up spray, can shorten the heat, improve desulfurization, dephosphorization operation, improve the rate that metal and alloy are received.Checkout gear can be set, and monitor temperature, gas componant, molten steel composition etc. are better controlled blowing at any time.During special requirement, cupola well can be done very greatly, can surpass single stove molten steel output of open hearth steelmaking, can make more stable and consistent of molten steel material, can produce bigger foundry goods.Cupola well top can be provided with cover closure, and cover plate can be with rectangular refractory brick setting, and insulation material can be established in refractory brick top increases heat insulating ability, and insulation material top seals with iron plate.Add lime etc. by the cupola well charging aperture in cupola well, service ports is set at the cupola well top, sealing is opened when safeguarding at ordinary times.The cupola well charging aperture can connect fan air inlet by pipeline, and air door is set on the pipeline, regulates throughput with air door, can above the cupola well charging aperture suction pipe be set, and the waste gas that produces when utilizing suction pipe to blow siphons away, and sends into blower fan and gets final product.Can make the high-temp waste gas that produces in the cupola well be inhaled into blower fan, waste gas is blown in the smelting furnace as combustion air by blower fan, carry out the high temperature harmless treatment, the combustible that carries in the high-temp waste gas is fully burnt, the entrained heat of high-temp waste gas is utilized, the waste gas that steel-making is produced obtains unified the processing, avoids waste gas directly to enter atmosphere, makes the environmental protection more of STEELMAKING PRODUCTION process.The waste residue that produces in the steelmaking process floats on cupola well top, and molten steel is deposited in the cupola well bottom, puts molten steel from cupola well bottom, can be provided with during steel-making multistage, organize cupola well more and realize that multiple alloy refining separates.
During present embodiment steel-making operation: 1, with scum silica frost, molten iron, put into first order cupola well, when liquation reaches certain water level, scum silica frost, molten iron flow out from first order cupola well upper part discharge port, flow into second level cupola well, noble metal alloy is deposited in first order cupola well bottom, and the flow channel type precipitation mortise of the also available intensification lengthening of first order cupola well replaces.The blowing device can be set in the cupola well of the second level, and when molten iron reached certain water level, scum silica frost, the liquation that proportion is lighter flowed out from second level cupola well upper part discharge port, flow into third level cupola well.When pure oxygen or oxygen enrichment high melt, can in third level cupola well, blow and isolate the alloy of elements such as aluminium silicon titanium magnesium, can produce aluminium alloy etc., can in third level cupola well, finish blowing after, make liquation leave standstill a period of time, utilize sedimentation to separate various alloys.In the cupola well bottom cupola well discharging opening is set, with stopper control cupola well discharging opening, emit successively: aluminium alloy, metallic silicon and alloy in lightweight etc., scum silica frost can melt down melting once more, can not produce slag substantially, reaches resource and makes full use of.When 2, molten iron soon overflows to cupola well upper part discharge port lower edge in the cupola well of the second level, stop to put molten iron.3, shutoff is opened another first order cupola well upper part discharge port to organizing the first order cupola well upper part discharge port of cupola well, begins to put molten iron to another group cupola well.4, add lime etc. in the cupola well of the second level, blowing, deoxidation, adding alloy condiment etc. are until finishing blowing.5, opening cupola well bottom, second level discharging opening emits molten steel.When 6, molten steel has been put substantially, with slag-water slurry put into the rotation two-man ladle, then with the discharging opening shutoff of cupola well bottom, the second level, with rotation two-man ladle in slag-water slurry pour into again in the cupola well of the second level.If slag-water slurry more after a little while, can save trouble more directly with the discharging opening band slag shutoff of cupola well bottom, the second level.7, opening first order cupola well upper part discharge port puts into liquation to second level cupola well and carries out next round blowing.
Similar with the steel-making operation procedure when present embodiment is smelted other metal, cupola well can be provided with multistage cupola well, makes liquation flow into cupola wells at different levels step by step, can carry out multistage refining to various metals, can utilize cupola well to blow, and desulfurization phosphorus, carbon drop realize that metal is concise.When adopting oxygen enrichment or pure oxygen high melt, can utilize the sedimentation natural subsidence to separate the alloy of various different specific weights, can obtain ferroalloy, aluminium alloy etc.Can in first order cupola well, obtain noble metal alloy, in the cupola well of the second level, obtain ferroalloy, in third level cupola well, obtain multiple alloy, after can in third level cupola well, finishing refining, utilize sedimentation to separate various alloys, in the cupola well bottom cupola well discharging opening is set,, emits successively: aluminium alloy, metallic silicon and alloy in lightweight etc. with stopper control cupola well discharging opening.The waste gas that produces in the smelting process is sent into again in the smelting furnace and is purified, handles, reclaims with tail gas is unified after the high-temperature process.The scum silica frost that produces in the smelting process adds smelting furnace melting once more again, can not produce slag substantially, reaches resource and makes full use of.
When present embodiment is produced preparing ceramic clinker, glass, bubble flower alkali, melting materials capable etc., in the cupola well inclination tapping channel can be set, inclination tapping channel feed end is located at cupola well middle part or middle and lower part, inclination tapping channel discharge end height is almost concordant with the cupola well upper edge, the cupola well inner melt is remained hold full state, make liquation in cupola well, can finish the frit reaction of various complexity.Bottom cupola well discharging opening is set in cupola well bottom, and sealing is at ordinary times opened during blowing out liquation is all drained.Produce preparing ceramic clinker, when steeping products such as spending alkali and slag water quenching processing, under the cupola well discharging opening granulating unit can be set.During the operating mine slag wool, winding-up can be set under the cupola well discharging opening or fall silk device, liquation directly can be made the silk flosssilk wadding shape.
When present embodiment adopts oxygen enrichment or pure oxygen high melt, can use multiple mineral aggregate to smelt multiple metal or alloy, can finish the blowing of multiple metal, realize desulfurization phosphorus, carbon drop, the high-temp waste gas that produces in the converting process is blown in the working chamber, carry out the high temperature harmless treatment, the combustible that carries in the high-temp waste gas is fully burnt, the entrained heat of high-temp waste gas is utilized, and the waste gas that blowing is produced obtains unified the processing, makes the environmental protection more of blowing production process.Many groups, multistage cupola well can be set, can extract various alloys, can realize multistage concisely, can obtain multiple noble metal alloy, ferroalloy, aluminium alloy, industrial silicon, light metal alloys, can improve resource utilization greatly.Present embodiment also can be used for casting, produces preparing ceramic clinker, glass, bubble flower alkali, melting materials capable etc.
During smelting furnace blow-on of the present invention, at first furnace chamber is carried out baker, light a fire behind the baker, add material after the igniting gradually.During production, the heating clamber of mineral aggregate can being packed into is after the furnace chamber igniting, spray into excessive coal dust etc. to the bottom, working chamber, make the bottom, working chamber form anoxycausis, form a large amount of carbon monoxide reducibility gas, reducibility gas, carbon particle and mineral aggregate generation thermal reduction reaction, liquation flows out.Regulate temperature in the stove, better regulate melt temperature, better regulate thermal reduction reaction.Spray into a certain amount of steam to the bottom, working chamber, in stove, produce a part of hydrogen and more carbon monoxide, can improve speed of melting.Spray into a small amount of coal dust to top, working chamber, make top, working chamber keep burning, form oxygen-excess combustion simultaneously, make the coal gas that forms in the working chamber at the abundant after-flame in top, working chamber.The top, working chamber even can not spray carbon dust only is blown into oxygen, can make the abundant after-flame of coal gas.Working chamber's bottommost also can not spray fuel or spray fuel less, can be blown into an amount of smelting furnace tail gas liquation is lowered the temperature, and can avoid the too high refractory material scaling loss that causes of melt temperature.
Smelting furnace liquation of the present invention can flow into the transhipment contracted affreightment from working chamber's discharging opening and walk.When adopting oxygen enrichment or pure oxygen high melt, can utilize multistage cupola well that liquation is carried out sedimentation and separate, blow, separable, refining goes out various noble metal alloys, ferroalloy, aluminium alloy, industrial silicon and light metal alloys.These alloys can directly be used, and alloy production can be settled at one go, can bring the revolution of material industry, various alloy materials are become be dirt cheap.Can realize pyrogenic process aluminium metallurgy, pyrogenic process refining silicon.
Smelting furnace of the present invention can directly carry out Foundry Production with iron ore, can replace existing blast furnace and furnace cupola, can remove coke production from.Can reduce ironmaking, steel-making, casting cost greatly.Avoided the carrying of molten iron with smelting furnace direct steelmaking of the present invention, can be further energy-conservation, ironmaking, steel-making are carried out synchronously, can further improve output.Available iron ore or Iron Ore Powder are directly cast, and can reduce the casting cost greatly.
Smelting furnace of the present invention can make the high-temp waste gas that produces in the steelmaking process by high-temperature process, make the harmful components in the waste gas further processed, make the combustible second-time burning in the waste gas, the heat that waste gas is carried is fully utilized, and makes steelmaking process energy-saving and environmental protection more.
Smelting furnace of the present invention can be at ironmaking, steel-making, copper metallurgy, aluminium metallurgy, refining silicon, extract noble elements such as gold, silver, platinum family noble metal, lanthanide series, rare earth element, tungsten, actinium, thorium, uranium when smelting productions such as various alloys, casting, preparing ceramic clinker, glass.Can make metal smelting purity higher, can lay the first stone, can improve metal material, can realize refining better, can bring the material revolution for refining of metal.Noble metal alloy can transport carry out concise.
When smelting furnace of the present invention adopted oxygen enrichment or pure oxygen high melt, available rubbish was as mineral aggregate, but disposal of refuse can realize the resource circulation utilization.Rubbish pure oxygen burning oven dry in shaft furnace, rotary kiln or boiler directly can be sent into top, working chamber with blower fan with the tail gas that burning produces during processing, the lime-ash that burning the is produced smelting furnace of the present invention of packing into carries out melting and can extract various alloys.Whole process does not have noxious gas emissions such as dioxin, nitrogen oxide, hydrogen sulfide, and heat energy is made full use of, and rubbish is refined into various useful alloys, with halide in the tail gas etc. reclaim, processing and utilizing.Various building wastes or mineral aggregate also adopted the method to handle to reinstall smelting furnace smelt, can avoid pernicious gas such as dioxin to produce environmental protection more.
Smelting furnace of the present invention can adopt pure oxygen burning, significantly reduces discharged nitrous oxides, can be with the carbon dioxide recovery utilization, and environmental protection more increases benefit.Along with technological progress, with isolation technics carbon dioxide separation is become carbon and oxygen, can realize the cleaning discharging, carbon can be recycling, creates the pure colorful world with magical carbon, with the energy creation of resources, the utilization of realization resource circulation.
Smelting furnace of the present invention also can adopt existing slag making smelting technology, can add various flux slag making, and using method is similar, just reduced reaction in furnace district temperature, shortcoming is to cause the wasting of resources, reduces overall economic efficiency, causes waste residue, exhaust emission environment.
Each compressor flow in the smelting furnace of the present invention can come the layout computer program according to temperature sensor, can point for measuring temperature be set a plurality of positions in furnace chamber, and temperature measuring equipment is set.Available converter technique control fan delivery and blast can be controlled fuel flow rate by computer, and computer control heating clamber and working chamber's temperature can use computer technology that equipment is carried out Microcomputer Management.
Technical scheme of the present invention is not restricted in the scope of embodiment of the present invention.The present invention not technology contents of detailed description is known technology.

Claims (10)

1. smelting furnace, comprise: air transporting arrangement (3), pipeline (4), valve (5) and fuel supply system (7), it is characterized in that: furnace chamber (9) is established heating clamber (10) and working chamber (11), heating clamber (10) bottom is communicated with working chamber (11), heating clamber (10) top is provided with heating clamber charging aperture (14), heating clamber (10) top is provided with heating clamber gas outlet (15), bottom, working chamber (11) is provided with working chamber's discharging opening (6), working chamber (11) sidewall is provided with many air intake ducts (17), and air intake duct (17) outlet side is communicated with working chamber (11).
2. smelting furnace according to claim 1 is characterized in that: working chamber (11) inwall is provided with a plurality of A and leans out body (40).
3. smelting furnace according to claim 2 is characterized in that: A leans out and establishes gas-liquid channel (8) in the body (40).
4. smelting furnace according to claim 1 is characterized in that: working chamber (11) establishes a plurality of cooling air channels (26) in the furnace wall, and cooling air channel (26) outlet side is communicated with working chamber (11).
5. smelting furnace according to claim 4 is characterized in that: cooling air channel (26) is communicated with bellows (13), bellows (13)) be communicated with heating clamber gas outlet (15) by air transporting arrangement (3).
6. smelting furnace according to claim 1 is characterized in that: around heating clamber (10) inwall a plurality of B are set and lean out body (19).
7. smelting furnace according to claim 6 is characterized in that: B leans out in the body (19) and establishes gas-liquid channel.
8. smelting furnace according to claim 1 is characterized in that: around heating clamber (10) inwall multiple tracks afflux groove (20) is set, afflux groove (20) connected set chute discharging opening (21).
9. smelting furnace according to claim 1, it is characterized in that: heating clamber charging aperture (14) top is provided with preheating chamber (16), preheating chamber (16) bottom is provided with quirk (18), heating clamber gas outlet (15) is communicated with condensing unit (22) by air transporting arrangement (3), and condensing unit (22) is communicated with quirk (18) by air transporting arrangement (3).
10. according to claim 1,2,3,4,5,6,7,8 or 9 each described smelting furnaces, it is characterized in that: working chamber's discharging opening (6) is communicated with cupola well (12), and cupola well (12) is established cupola well charging aperture (1) and cupola well discharging opening (2).
CN201110038527XA 2011-01-13 2011-01-30 Smelting furnace Pending CN102121789A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106091686A (en) * 2016-04-26 2016-11-09 重庆大学 A kind of multichannel gas-operated thermal bath facility of aluminium-alloy continuous melting stove
CN107906947A (en) * 2017-12-15 2018-04-13 中冶焦耐(大连)工程技术有限公司 The grid wall gas-supplying structure and air supply method of a kind of vertical waste-heat recovery device
CN109059532A (en) * 2018-08-09 2018-12-21 北京科技大学 A kind of anti-oxidation high temperature process furnances fire door structure
CN114700349A (en) * 2022-04-07 2022-07-05 广西大学 Biofuel shaft kiln, red mud magnetizing device and red mud magnetizing method
CN115231785A (en) * 2022-04-07 2022-10-25 广西大学 Device and method for recovering iron oxide by utilizing red mud carbon fixation and dealkalization

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106091686A (en) * 2016-04-26 2016-11-09 重庆大学 A kind of multichannel gas-operated thermal bath facility of aluminium-alloy continuous melting stove
CN106091686B (en) * 2016-04-26 2018-08-10 重庆大学 A kind of multichannel gas-operated thermal bath facility of aluminium-alloy continuous melting stove
CN107906947A (en) * 2017-12-15 2018-04-13 中冶焦耐(大连)工程技术有限公司 The grid wall gas-supplying structure and air supply method of a kind of vertical waste-heat recovery device
CN109059532A (en) * 2018-08-09 2018-12-21 北京科技大学 A kind of anti-oxidation high temperature process furnances fire door structure
CN109059532B (en) * 2018-08-09 2023-11-07 北京科技大学 Anti-oxidation high-temperature tube furnace mouth structure
CN114700349A (en) * 2022-04-07 2022-07-05 广西大学 Biofuel shaft kiln, red mud magnetizing device and red mud magnetizing method
CN115231785A (en) * 2022-04-07 2022-10-25 广西大学 Device and method for recovering iron oxide by utilizing red mud carbon fixation and dealkalization
CN115231785B (en) * 2022-04-07 2023-08-22 广西大学 Device and method for recycling ferric oxide by utilizing red mud carbon fixation and dealkalization

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Application publication date: 20110713