CN105624539B - Carbon and oxygen circulation device for graphene steel alloy and technology thereof - Google Patents

Carbon and oxygen circulation device for graphene steel alloy and technology thereof Download PDF

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CN105624539B
CN105624539B CN201610119117.0A CN201610119117A CN105624539B CN 105624539 B CN105624539 B CN 105624539B CN 201610119117 A CN201610119117 A CN 201610119117A CN 105624539 B CN105624539 B CN 105624539B
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graphene
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CN105624539A (en
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程礼华
程皓
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/04—Making ferrous alloys by melting
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C2100/00—Exhaust gas
    • C21C2100/04—Recirculation of the exhaust gas
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C2300/00—Process aspects
    • C21C2300/08—Particular sequence of the process steps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

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Abstract

The invention relates to a carbon and oxygen circulation device for graphene steel alloy and a technology thereof. The carbon and oxygen circulation device comprises an iron mine island, a coal injection island, a blast furnace iron making island, a steelmaking island, a carbon gathering and separating island, an oxygen island, a carbon black island, a graphitization raw material island, a graphene island, a waste steel melting island, an auxiliary material island, a graphene steel alloy island and a remote explosion protecting and monitoring center island, wherein the oxygen island, the iron mine island, the coal injection island and the carbon gathering and separating island are connected to the blast furnace iron making island, the blast furnace iron making island, the steelmaking island and the graphene steel alloy island are sequentially connected, the graphene steel alloy island is connected to the graphene island, the waste steel melting island and the auxiliary material island, the carbon gathering and separating island is connected to the oxygen island and the carbon black island, the carbon black island is connected to the graphene island, the graphene island is connected to the graphitization raw material island, and the remote explosion protecting and monitoring center island carries out real-time and on-line monitoring. The carbon and oxygen circulation device and the technology thereof have the beneficial effects that ultra-clean near-zero emission is realized, carbon black and oxygen gas are generated in a recycled mode, the operation cost of air separation and oxygen production is saved, and the inventory pressure of steel is relieved.

Description

Graphene steel and alloy carbon Oxygen cycle device and its technique
Technical field
The present invention relates to Graphene steel and alloy preparation field, more particularly to Graphene steel and alloy carbon Oxygen cycle device and Its technique.
Background technology
Steel industry is heavy polluted industry.The production process of steel and iron industry is chemistry, the change procedure of physics, to environment dirt Dye is serious, be listed in three maximum big departments' (metallurgical, chemical industry and light industry) of contamination hazard, six big business (iron and steel, oil refining, thermoelectricity, Chemical industry, non-ferrous metal metallurgy and papermaking) first place.Environmental pollution is mainly reflected in gas and water, three aspects of slag.Waste gas is mainly Discharge from combustion system.Pollution course is very complicated, and pollution is also many, and toxic component mainly has sulfur dioxide, an oxygen Change carbon, hydrogen sulfide, hydrocarbon, dust etc..Nearby resident is affected easily to cause the disease of chronic respiratory system by sulfur dioxide.Waste water Mainly there is the waste water of coke-oven plant, it contains the harmful substances such as phenol, cyanide, chloride and sulfide.Waste water is impregnated with pollution on the spot Subsoil water；Enter rivers, lake and then pollute the surface water, make Drinking Water and aquatile contain hazardous substance, human body is caused Adverse consequencess.
In addition, steel industry production capacity is seriously superfluous at present, low-quality, homogeneous product dog-eat-dog.In order to realize steel industry Transition and upgrade, the present invention is from energy-conserving and environment-protective and carbon Oxygen cycle utilization, low cost production Graphene steel and alloy high added value Special type steel products.
The content of the invention
The present invention is to overcome above-mentioned weak point, it is therefore intended that provide Graphene steel and alloy carbon Oxygen cycle device and its Technique, digests iron and steel warehousing pressure, prepares the Graphene steel and alloy of high added value.
The present invention is to reach above-mentioned purpose by the following technical programs：Graphene steel and alloy carbon Oxygen cycle device, including： Iron mine stone island, coal powder injection island, blast furnace ironmaking island, steel-making island, carbon trapping detached island, O2Island, carbon black island, graphitization raw material island, graphite Alkene island, wastes of iron and steel melting island, adjuvant island, Graphene steel and alloy island, long-distance anti-explosion Surveillance center island；The O2Island, iron mine Stone island, coal powder injection island, carbon trapping detached island be connected with blast furnace ironmaking island, blast furnace ironmaking island, make steel island, Graphene steel and alloy island according to Secondary connection, Graphene steel and alloy island are connected with Graphene island, wastes of iron and steel melting island, adjuvant island, and carbon traps detached island and O2 Island, the connection of carbon black island, carbon black island are connected with Graphene island, and Graphene island is also connected with graphitization raw material island, long-distance anti-explosion monitoring Central island real time and on line monitoring.
Preferably, Graphene steel and alloy island is Graphene steel and alloy frequency conversion electrode furnace, Graphene steel and alloy becomes Frequency electrode furnace includes：Molten steel imported valve, adjuvant spray gun, variable-speed agitator, slagging-off mesh screen, slag notch, frequency conversion electrode, Graphene Spray gun, long-distance anti-explosion watch-dog, the outlet of Graphene steel and alloy；The molten steel imported valve send molten steel, adjuvant spray gun to send adjuvant Enter in Graphene steel and alloy frequency conversion electrode burner hearth, variable-speed agitator is provided with Graphene steel and alloy frequency conversion electrode burner hearth, removed Slag mesh screen, frequency conversion electrode, Graphene spray gun, long-distance anti-explosion watch-dog, frequency conversion electrode provide voltage, and long-distance anti-explosion watch-dog is online Monitoring, molten steel are removed the gred by slagging-off mesh screen Jing after variable-speed agitator stirring with adjuvant, and are stirred again by variable-speed agitator Send from the outlet of Graphene steel and alloy afterwards, waste residue is discharged from slag notch.
Preferably, the shape of the flabellum of variable-speed agitator includes leaf type or oval porous type or corner angle template or corner angle Porous type or corner angle mesh screen type.
Preferably, the Graphene alloy that Graphene steel and alloy island is produced includes Graphene structural alloy steel, Graphene Alloy oxida-tion-resistant steel, Graphene alloy tool steel, Graphene alloy bearing steel, Graphene stainless steel alloy.
Graphene steel and alloy carbon Oxygen cycle technique, comprises the following steps：
1) each system power switch is opened, opens long-distance anti-explosion Surveillance center island on and off switch, remote on-line monitoring is respectively System operating mode, in factory and surrounding enviroment and explosion-proof panic alarm；
2) iron ore for crushing iron mine stone island is sent into the ironmaking of blast furnace ironmaking island with the coal dust on coal powder injection island, and molten iron send steel-making island Impurity removing refining Cheng Gang；
3) graphite on graphitization raw material island, coal, organic matter graphitization processing are sent into into Graphene island and makes Graphene, send stone Graphene steel and alloy is produced with steel-making island molten steel or wastes of iron and steel melting island molten steel in black alkene steel and alloy island；
4) auxiliary material in adjuvant island is sent into into Graphene steel and alloy island and produces different Graphene steel and alloy products Product；
5) carbon trapping detached island, CO and CO in flue gas are sent by blast furnace ironmaking island discharge flue gas2Jing plasmas separator is produced Raw carbon black and oxygen, carbon black send carbon black island to produce Graphene for Graphene island, and oxygen send O2Island is recycled for blast furnace ironmaking island.
The beneficial effects of the present invention is：The present invention passes through carbon (CO and CO2) trapping, one is by the oxysulfide in waste gas (sulfur dioxide, hydrogen sulfide) and nitrogen oxides, hydrocarbon, dust etc. accomplish ultra-clean near-zero release；Two is to promote carbon emission reduction, makes an oxygen Change carbon, Resources of Carbon Dioxide and recycle generation carbon black and oxygen；Three is that oxygen supplies blast furnace ironmaking, saves making oxygen by air separation operation Cost；Four is digestion iron and steel warehousing pressure, and the iron and steel of low cost is converted into the Graphene steel and alloy of high added value, enterprise is improved Industry profitability.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of Graphene steel and alloy frequency conversion electrode furnace；
Fig. 3 is the contour structures schematic diagram of variable-speed agitator flabellum；In figure, A is leaf type；B is oval porous type；C is rib Gusset type；D is corner angle porous type；E is corner angle mesh screen type；
Fig. 4 is the schematic flow sheet that Graphene steel and alloy frequency conversion electrode furnace prepares Graphene structural alloy steel；
Fig. 5 is the contour structures schematic diagram of Graphene structural alloy steel；In figure, A is I shape；B is E fonts；C is half frame Type；D is square tubular；E is long cartridge type；F is tubular type；G is oblate type；
In figure：1st, molten steel imported valve；2nd, adjuvant spray gun；3A variable-speed agitators；3B, variable-speed agitator；4th, remove the gred mesh screen； 5th, slag notch；6th, frequency conversion electrode；7th, Graphene spray gun；8th, long-distance anti-explosion watch-dog；9th, Graphene steel and alloy outlet.
Specific embodiment
With reference to specific embodiment, the present invention is described further, but protection scope of the present invention is not limited in This：
Embodiment 1：As shown in figure 1, Graphene steel and alloy carbon Oxygen cycle device, including：Iron mine stone island, coal powder injection island, height Stove ironmaking island, steel-making island, carbon trapping detached island, O2Island, carbon black island, graphitization raw material island, Graphene island, wastes of iron and steel melting Island, adjuvant island, Graphene steel and alloy island, long-distance anti-explosion Surveillance center island；The O2Island, iron mine stone island, coal powder injection island, carbon trapping Detached island is connected with blast furnace ironmaking island, and blast furnace ironmaking island, steel-making island, Graphene steel and alloy island are sequentially connected, Graphene iron and steel Alloy island is connected with Graphene island, wastes of iron and steel melting island, adjuvant island, and carbon traps detached island and O2Island, the connection of carbon black island, carbon black Island is connected with Graphene island, and Graphene island is also connected with graphitization raw material island, long-distance anti-explosion Surveillance center island real time and on line monitoring.
Graphene steel and alloy carbon Oxygen cycle technique, comprises the following steps：
1) each system power switch is opened, opens long-distance anti-explosion Surveillance center island on and off switch, remote on-line monitoring is respectively System operating mode, in factory and surrounding enviroment and explosion-proof panic alarm；
2) iron ore for crushing iron mine stone island is sent into the ironmaking of blast furnace ironmaking island with the coal dust on coal powder injection island, and molten iron send steel-making island Impurity removing refining Cheng Gang；
3) graphite on graphitization raw material island, coal, organic matter graphitization processing are sent into into Graphene island and makes Graphene, send stone Graphene steel and alloy is produced with steel-making island molten steel or wastes of iron and steel melting island molten steel in black alkene steel and alloy island；
4) auxiliary material in adjuvant island is sent into into Graphene steel and alloy island and produces different Graphene steel and alloy products Product；
5) carbon trapping detached island, CO and CO in flue gas are sent by blast furnace ironmaking island discharge flue gas2Jing plasmas separator is produced Raw carbon black and oxygen, carbon black send carbon black island to produce Graphene for Graphene island, and oxygen send O2Island is recycled for blast furnace ironmaking island.
Iron mine stone island, including iron ore crushing and intelligent metering transmission device system.
Coal powder injection island, including coal crushing and intelligent metering coal injection device system.
Blast furnace ironmaking island, including blast furnace and de- slag for comprehensive utilize apparatus system.
Steel-making island, including impurity removing refining apparatus system.
Carbon traps detached island, including by CO and CO2Trapping, and by CO and CO2Send into plasma separator and produce carbon black And oxygen.
It is preferred that carbon trapping detached island CO and CO2Plasma separation temperature be 1300-3000 DEG C.
Graphitization raw material island, including by graphite or coal, organic matter (such as wood, bamboo, agricultural crop straw, nut shell) graphite Change the apparatus system for processing.
It is preferred that the graphitization temperature on graphitization raw material island is 1300-2500 DEG C.
Graphene island, including the apparatus system that carbon black or graphitization raw material are made Graphene.
Wastes of iron and steel melts island, including the apparatus system for wastes of iron and steel being melted and being taken off slag.
It is preferred that the melt temperature on wastes of iron and steel melting island is 780-1300 DEG C.
Silicon, molybdenum, tungsten needed for adjuvant island, including Graphene steel and alloy, chromium, vanadium, titanium auxiliary material.
Graphene steel and alloy island, including Graphene steel and alloy frequency conversion electrode furnace, by Graphene and the molten steel for making steel island Or the molten steel and adjuvant on wastes of iron and steel melting island produces the apparatus system of Graphene steel and alloy in proportion.As shown in Fig. 2 Graphene steel and alloy island is Graphene steel and alloy frequency conversion electrode furnace, and Graphene steel and alloy frequency conversion electrode furnace includes：Molten steel Imported valve, adjuvant spray gun, variable-speed agitator, slagging-off mesh screen, slag notch, frequency conversion electrode, Graphene spray gun, long-distance anti-explosion monitoring Device, the outlet of Graphene steel and alloy；The molten steel imported valve send molten steel, adjuvant spray gun to send adjuvant to enter the change of Graphene steel and alloy In frequency electrode burner hearth, variable-speed agitator, slagging-off mesh screen, frequency conversion electrode, stone in Graphene steel and alloy frequency conversion electrode burner hearth, are provided with Black alkene spray gun, long-distance anti-explosion watch-dog, frequency conversion electrode provide voltage, long-distance anti-explosion watch-dog on-line monitoring, molten steel and adjuvant Jing By slagging-off mesh screen slagging-off after variable-speed agitator stirring, and from Graphene steel and alloy after being stirred again by variable-speed agitator Outlet is sent, and waste residue is discharged from slag notch.
Implementation steps：
The first step, open 6 on and off switch of frequency conversion electrode and molten steel imported valve 1 is switched, adjuvant spray gun 2 is switched, by refine Molten steel or wastes of iron and steel molten steel, adjuvant are sent in Graphene steel and alloy continuous charging frequency conversion electrode burner hearth, and Jing speed changes are stirred Machine 3A uniform stirrings are mixed, slagging-off mesh screen 4 removes the gred, Graphene Graphene spray gun 7 sprayed into, variable-speed agitator 3B uniform stirrings Afterwards, send from Graphene steel and alloy outlet 9, produce required model Graphene steel and alloy product.
It is preferred that the molten steel inlet temperature of Graphene steel and alloy continuous charging frequency conversion electrode furnace molten steel imported valve 1 is 400—800℃。
It is preferred that the electrode radical of Graphene steel and alloy continuous charging frequency conversion electrode furnace frequency conversion electrode 6 is 1-50.Frequency conversion For low frequency or medium-high frequency.Temperature is 1000-2250 DEG C.
It is preferred that the outlet temperature of Graphene steel and alloy continuous charging frequency conversion electrode hearthstone ink alkene steel and alloy outlet 9 is 1000—2200℃。
Second step, 8 on and off switch of opening long-distance anti-explosion watch-dog, on-line monitoring Graphene steel and alloy continuous charging frequency conversion Electrode in-furnace temperature, pressure.
In order to improve stirring efficiency, variable-speed agitator paddle appearance structure of the present invention is preferred：Leaf type or oval porous Type or corner angle template or corner angle porous type or corner angle mesh screen type.As shown in figure 3, A is leaf type in figure；B is oval porous type；C It is corner angle template；D is corner angle porous type；E is corner angle mesh screen type.
Advantage of the present invention, one is, without opening bell, can be adapted to large-scale production with continuous charging.Two is product impurity Few, purity is high, and oxygen content is low, and intensity increases.
It is preferred that the Graphene quality proportioning consumption on Graphene steel and alloy island is 0.01-1.5%.
The major product of Graphene steel and alloy island production, including：
1st, Graphene structural alloy steel.Phosphorus content is more lower than carbon structural steels, typically in the range of 0.15-0.50%. It is widely used in manufacture aircraft, airship, automobile, ship, steam turbine, the various driving members of heavy machine tool and securing member.
As shown in figure 4, prepare Graphene structural alloy steel comprising the following steps：
The first step, steel billet and adjuvant are sent into into electric furnace or gas-fired heater, steel billet is melted.
It is preferred that the temperature of electric furnace or gas heating stove heat is 1000-1500 DEG C.
It is preferred that the mass ratio of one or more in adjuvant silicon, molybdenum, tungsten, chromium, vanadium, titanium, manganese is 0.1-5%.
It is preferred that the source of the gas of gas-fired heater is the carbon monoxide or hydrogen that liquefied gas or producer are made.
Second step, the graphene-structured that the molten steel of fusing and Graphene powder feeding die casting machine modeling are cast into required model Product made from steel.
It is preferred that the mass ratio of Graphene powder is 0.01-1.2%.
3rd step, opening long-distance anti-explosion Surveillance center on and off switch, each system work of on-line monitoring graphene-structured steel The temperature of condition, pressure.
The profile variation of Graphene structural alloy steel, including I shape, E fonts, half frame-type, square tubular, long cartridge type, circle Cast, be oblate type, as shown in figure 5, in figure A be I shape, B be E fonts, C be half frame-type, D be square tubular, E be long cartridge type, It is oblate type that F is tubular type, G.
2nd, Graphene alloy tool steel.It is a kind of middle height containing various alloying elements (such as silicon, molybdenum, tungsten, chromium, vanadium, titanium etc.) Carbon steel, it is adaptable to manufacture big, the complex-shaped cutlery of size, mould and measurer.It in addition to appropriate intensity and toughness, There is very high hardness and wearability simultaneously.
3rd, Graphene high-speed tool steel.It is high-carbon high-alloy tool steel, phosphorus content is 0.7-1.4%, and contains and can be formed High rigidity graphene carbon compound alloying element, such as tungsten, molybdenum, chromium, vanadium etc..Graphene high-speed tool steel has high red hardness, Under the conditions of high-speed cutting, when temperature is up to 500-6000 DEG C, hardness is not also reduced.It is usually used in manufacturing high cutting speed, Gao Sheng The lathe tool of yield, milling cutter, reamer, broaching tool, fluted drill etc..
4th, Graphene switchblade steel.It is mainly for the manufacture of the spring used under shock and vibration or long-term alternate stress, main If silicomanganese system steel clock.
5th, Graphene bearing steel.It is mainly used to manufacture rolling element and bearing ring.The general phosphorus content of Graphene bearing steel is about 1.0%, its chemical composition uniformity to steel, the content of non-metallic inclusion and distribution, issuing etc. for carbide have very Strict requirements.
It is preferred that the oxygen content of Graphene bearing steel is less than less than 5/100000ths.
6th, the acid of Graphene rustless steel steel, i.e. rustless steel.Graphene rustless steel and corrosion resistance are relative, are not absolutely not Get rusty, but the amount of getting rusty is few, process of getting rusty is very slow.According to its application scenario, Graphene stainless acid resistant steel can be divided into two groups：Stone Black alkene rustless steel and Graphene acid resisting steel.Graphene rustless steel, i.e., can support erosion-resisting steel, in atmosphere mainly for the manufacture of vapour Turbine blade, survey tool, medical apparatus and instruments, cutting implement, tableware, cooking apparatus, food processing equipment, quickly cooling cold storage equipment, Graphene stainless steel welded pipe class communal facility, the effective ferritic stainless steel of automobile exhaust etc.；Graphene acid resisting steel, i.e., invade various Erosion-resisting steel can be supported in the strong medium of corrosion, is mainly used in the graphite of conning equipment, navigating equipment, antacid, oil, gas The equipment such as alkene stainless cylinder of steel, urea equipment etc..Classify by main chemical compositions, can be basically divided into Graphene straight-chromiun stainless steel and stone Two big system of black alkene chromium nickel stainless steel.
7th, Graphene oxida-tion-resistant steel.For manufacturing the machine parts used under long term high temperature.
Long-distance anti-explosion Surveillance center island, including each system condition of remote on-line monitoring (such as temperature, pressure, composition) and explosion-proof It is emergent.
It is the specific embodiment and the know-why used of the present invention described in above, if conception under this invention institute The change of work, the function produced by which still without departing from description and accompanying drawing covered it is spiritual when, should belong to the present invention Protection domain.

Claims (5)

1. Graphene steel and alloy carbon Oxygen cycle device, it is characterised in that include：Iron mine stone island, coal powder injection island, blast furnace ironmaking island, refining Steel island, carbon trapping detached island, O2Island, carbon black island, graphitization raw material island, Graphene island, wastes of iron and steel melting island, adjuvant island, stone Black alkene steel and alloy island, long-distance anti-explosion Surveillance center island；The O2Island, iron mine stone island, coal powder injection island, carbon trapping detached island and blast furnace The connection of ironmaking island, blast furnace ironmaking island, steel-making island, Graphene steel and alloy island are sequentially connected, Graphene steel and alloy island and graphite Alkene island, wastes of iron and steel melting island, the connection of adjuvant island, carbon trapping detached island and O2Island, the connection of carbon black island, carbon black island and Graphene island Connection, Graphene island are also connected with graphitization raw material island, long-distance anti-explosion Surveillance center island real time and on line monitoring.
2. Graphene steel and alloy carbon Oxygen cycle device according to claim 1, it is characterised in that Graphene steel and alloy Island is Graphene steel and alloy frequency conversion electrode furnace, and Graphene steel and alloy frequency conversion electrode furnace includes：Molten steel imported valve, adjuvant spray Rifle, variable-speed agitator, slagging-off mesh screen, slag notch, frequency conversion electrode, Graphene spray gun, long-distance anti-explosion watch-dog, Graphene iron and steel are closed Gold outlet；The molten steel imported valve send molten steel, adjuvant spray gun to send adjuvant to enter in Graphene steel and alloy frequency conversion electrode burner hearth, stone Variable-speed agitator, slagging-off mesh screen, frequency conversion electrode, Graphene spray gun, long-range anti-is provided with black alkene steel and alloy frequency conversion electrode burner hearth Quick-fried watch-dog, frequency conversion electrode offer voltage, long-distance anti-explosion watch-dog on-line monitoring, molten steel is with adjuvant Jing after variable-speed agitator stirring By slagging-off mesh screen slagging-off, and after being stirred again by variable-speed agitator from Graphene steel and alloy outlet send, waste residue from Slag notch is discharged.
3. Graphene steel and alloy carbon Oxygen cycle device according to claim 2, it is characterised in that the fan of variable-speed agitator The shape of leaf includes leaf type or oval porous type or corner angle template or corner angle porous type or corner angle mesh screen type.
4. Graphene steel and alloy carbon Oxygen cycle device according to claim 3, it is characterised in that Graphene steel and alloy The Graphene alloy that island is produced includes Graphene structural alloy steel, Graphene alloy oxida-tion-resistant steel, Graphene alloy tool Steel, Graphene alloy bearing steel, Graphene stainless steel alloy.
5. Graphene steel and alloy carbon Oxygen cycle technique, it is characterised in that comprise the following steps：
1) each system power switch is opened, opens long-distance anti-explosion Surveillance center island on and off switch, each system work of remote on-line monitoring In condition, factory and surrounding enviroment and explosion-proof panic alarm；
2) iron ore for crushing iron mine stone island is sent into the ironmaking of blast furnace ironmaking island with the coal dust on coal powder injection island, and molten iron send steel-making island remove impurity It is refined into steel；
3) graphite on graphitization raw material island, coal, organic matter graphitization processing are sent into into Graphene island and makes Graphene, send Graphene Graphene steel and alloy is produced with steel-making island molten steel or wastes of iron and steel melting island molten steel in steel and alloy island；
4) auxiliary material in adjuvant island is sent into into Graphene steel and alloy island and produces different Graphene steel and alloy products；
5) carbon trapping detached island, CO and CO in flue gas are sent by blast furnace ironmaking island discharge flue gas2Jing plasmas separator produces carbon black And oxygen, carbon black send carbon black island to produce Graphene for Graphene island, and oxygen send O2Island is recycled for blast furnace ironmaking island.
CN201610119117.0A 2016-03-03 2016-03-03 Carbon and oxygen circulation device for graphene steel alloy and technology thereof Active CN105624539B (en)

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