Ironmaking, hydrogen production and power generation integrated equipment

By integrating ironmaking, hydrogen production, and power generation equipment, and combining thermomagnetic power generation and chemical reactions, the problems of low efficiency in hydrogen production from water electrolysis and high cost in ironmaking have been solved, achieving low-carbon ironmaking and high-efficiency power utilization.

CN121780796APending Publication Date: 2026-04-03张英华
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-01-06
Publication Date
2026-04-03

AI Technical Summary

Technical Problem

Existing methods for producing hydrogen through water electrolysis are inefficient and difficult to seal at high temperatures, resulting in high costs. In the ironmaking process, the high cost of hydrogen or the use of coke leads to pollution emissions, making it difficult to achieve low-carbon ironmaking.

Method used

The equipment integrates iron smelting, hydrogen production, and power generation. It utilizes a combination of thermomagnetic power generation device and eddy current heating coil to generate electrical energy through thermomagnetic phase change. It also combines electric screw extrusion and chemical reaction to produce sponge iron and hydrogen. The integrated compressor and filter tank are used for gas treatment.

Benefits of technology

It improved hydrogen production efficiency, reduced ironmaking costs, achieved low-carbon ironmaking and efficient use of electricity, and reduced hydrogen consumption.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses iron-making, hydrogen-producing and power-generating integrated equipment. The lower end of the electric screw extrusion funnel is in butt joint with an inlet in the upper side of the electric screw extrusion conveyor. The hydrogen pipe and the steam pipe are connected to the hollow rotating shaft. And a first eddy current heating coil and a first thermomagnetic power generation device are sequentially arranged outside the refractory ceramic shell. A foam tungsten alloy hollow rotating shaft section on the tungsten alloy hollow rotating shaft is used as a cathode, and a foam graphite layer anode is sprayed outside a fire-resistant foam ceramic section. And the molten iron separation ceramic rotary kiln is movably connected with the electric screw extrusion conveyor through the front end of the refractory ceramic rotary pipe. A second eddy current heating coil and a third thermomagnetic power generation device are sequentially arranged outside the refractory ceramic rotary pipe, and the second eddy current heating coil heats and melts sponge iron in refractory ceramic into molten iron. The motor drives the refractory ceramic rotary pipe to rotate through the gear, molten iron is thrown to the heat preservation shell from the refractory foamed ceramic section of the refractory ceramic rotary pipe and then flows out of the refractory ceramic pipe, and iron slag flows out of the tail of the refractory ceramic rotary pipe.
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Description

Technical fields:

[0001] This invention relates to an integrated equipment for iron smelting, hydrogen production, and power generation. Background technology:

[0002] The efficiency of water electrolysis for hydrogen production is extremely low—only 13%, with the remaining 87% of the electrical energy converted into heat. Water at atmospheric pressure exceeding 100°C absorbs heat of vaporization to become steam. As the temperature of the steam increases, its pressure also increases, necessitating the use of high-strength mechanical materials and high-temperature resistant sealing materials in the water electrolysis hydrogen production equipment. Information online suggests that electrolyzing 800°C steam can achieve an efficiency of 50%, because the proportion of ionized water vapor at this temperature is exceptionally high. Heating water to 800°C steam is very inefficient, and the pressure of 800°C steam is also extremely high, making sealing it very difficult. Therefore, this method of water electrolysis for hydrogen production is very expensive. Steelmaking can use medium-frequency electric furnaces, but ironmaking requires hydrogen or methane, which is too expensive. Using coke for ironmaking is cheaper, but it produces carbon emissions. It is impossible to smelt iron ore powder into iron using a medium-frequency electric furnace. Low-carbon, or even zero-carbon, ironmaking is now being promoted.

[0003] Patent No. ZL201110377552.0, "Automotive Waste Heat Power Generation Device," Background Technology: Sourced from Yeeyan.com, "A New Alloy Can Directly Convert Heat Energy into Electrical Energy." A novel non-magnetic alloy material, when its underlying copper plate is slightly heated, suddenly becomes strongly magnetic. Researchers at the University of Minnesota have discovered that a new alloy with unique properties can directly convert heat energy into electrical energy. This alloy is composed of iron, nickel, cobalt, manganese, and tin, and depending on the temperature, it can exhibit either non-magnetic or strongly magnetic properties. According to a press release from the University of Minnesota, under certain conditions, the new alloy—Ni45Co5Mn40Sn10—undergoes a reversible phase transition: that is, when the temperature changes, one type of solid transforms into another type of solid. Specifically, the new alloy changes from non-magnetic to strongly magnetic; in this process, only a slight increase in temperature is needed. When the heated new alloy is placed near a permanent magnet—such as a rare-earth magnet—the magnetic force of the new alloy suddenly and dramatically increases. Current is generated in the surrounding coils. Researchers say that a process called hysteresis causes heat loss, but this new alloy has low hysteresis. Because of this, it can convert a large amount of waste heat into electrical energy. This material is clearly applicable to car exhaust pipes. Some automakers have already begun developing heat exchangers that can convert vehicle exhaust into usable electrical energy; one automaker is using an alloy called cobaltite, which is a mixture of rare-earth-doped cobalt and arsenic materials.

[0004] Patent No. ZL201110377552.0 "Automotive Waste Heat Power Generation Device", the automotive waste heat power generation device (6) is composed of a thermomagnetic power generation stator, an excitation coil, a power generation coil and a magnetic circuit silicon steel sheet round tube. The core of the thermomagnetic power generation stator is made by welding the silicon steel sheet base part and the thermomagnetic alloy sheet magnetic pole part together to form an alloy insulating sheet superimposed. The thermomagnetic alloy is a non-magnetic material below 70℃ and a magnetic material above 70℃. The hysteresis of the thermomagnetic alloy is very small. The magnetic pole of the thermomagnetic power generation stator is on the outside. The slot opening of the thermomagnetic power generation stator faces outward. After the thermomagnetic alloy becomes a magnetic material, the magnetic field strength increases rapidly under the guidance of the guiding magnetic field. The slot of the thermomagnetic power generation stator is equipped with an excitation coil and a power generation coil. The magnetic circuit silicon steel sheet round tube is made by stacking annular insulating silicon steel sheets and then sleeved on a steel pipe. The magnetic circuit silicon steel sheet round tube with the outer shell is sleeved on the outside of the thermomagnetic power generation stator. Summary of the Invention:

[0005] An integrated iron smelting, hydrogen production, and power generation device is disclosed. This integrated device comprises an electric screw extrusion hopper, an electric screw extrusion conveyor, a first eddy current heating coil, a first thermomagnetic power generation device, a second thermomagnetic power generation device, an elbow-type filter water tank, a compressor, an iron-water separation ceramic rotary kiln, a second eddy current final heating coil, a third thermomagnetic power generation device, and an adjustable 12-volt DC power supply. The electric screw extrusion conveyor is mounted inclined downwards on a frame and consists of a gear reduction motor, a driven gear, a tungsten alloy hollow shaft, tungsten alloy spiral blades, and a refractory ceramic shell. A steel hoop is fitted to the front end of the refractory ceramic shell of the electric screw extrusion conveyor, and the end cover of the electric screw extrusion conveyor is fixed to the steel hoop at the front end of the refractory ceramic shell with screws. The lower end of the electric screw extrusion hopper is connected to the upper inlet of the front section of the refractory ceramic shell of the electric screw extrusion conveyor. A driven gear is mounted on the tungsten alloy hollow shaft in front of the end cover of the electric screw extrusion conveyor, and the output gear of the gear reduction motor meshes with the driven gear. The right-hand tee is movably connected to the front end of the tungsten alloy hollow shaft via a silicone rubber sealing ring. A hydrogen pipe from the top of the hydrogen storage tank connects to the inlet of the electric hydrogen regulating valve, and a hydrogen pipe from the electric hydrogen regulating valve connects to the left-hand tee. A steam pipe from the top of the electric boiler connects to the inlet of the electric steam regulating valve, and a steam pipe from the electric steam regulating valve connects to the lower tee. One-eighth to six-eighths of the refractory ceramic shell of the electric screw extrusion conveyor is a refractory ceramic section, with a first eddy current heating coil mounted on the outside. A first thermomagnetic generator is fitted around the first eddy current heating coil. Six-eighths to seven-eighths of the refractory ceramic shell of the electric screw extrusion conveyor is a refractory foam ceramic section. Six-eighths to seven-eighths of the tungsten alloy hollow shaft of the electric screw extrusion conveyor is a foamed tungsten alloy hollow shaft section. Six-eighths to seven-eighths of the refractory ceramic shell of the electric screw extrusion conveyor is a refractory foam ceramic section, with a foamed graphite layer sprayed on the outside. The negative terminal of an adjustable 12-volt DC power supply is connected to the foamed graphite layer. A tungsten alloy hoop is installed at the rear end of the refractory ceramic shell of the electric screw extrusion conveyor. A tungsten alloy bracket extending from the rear end of the refractory ceramic shell of the electric screw extrusion conveyor towards the shaft center is connected to a tungsten alloy bearing. The rear end of the hollow shaft of the electric screw extrusion conveyor is closed, and the rear end of the hollow shaft is inserted into the tungsten alloy bearing. The positive terminal of the adjustable 12-volt DC power supply is connected to the tungsten alloy hoop installed at the rear end of the refractory ceramic shell of the electric screw extrusion conveyor. A hydrogen pipe extending from the foamed graphite layer passes through the central hole of the second thermomagnetic generator and connects to the elbow inlet of the elbow filter tank. A gas pipe extending from the top of the elbow filter tank connects to the compressor inlet. The iron-water separation ceramic rotary kiln consists of a refractory ceramic rotary tube, a front tungsten alloy roller assembly, a rear tungsten alloy roller assembly, a conical ring tungsten alloy gear, a motor, a conical tungsten alloy gear, a second eddy current heating coil, and a third thermomagnetic generator.The tungsten alloy hoop at the rear end of the refractory ceramic shell of the electric screw extrusion conveyor is movably connected to the front end of the ceramic rotating tube of the iron-water separation ceramic rotary kiln. The section from the front end to six-eighths of the ceramic rotating tube is a refractory ceramic section. A conical ring tungsten alloy gear is installed in one-eighths of the ceramic rotating tube. A front tungsten alloy roller is installed inside the insulation shell corresponding to the two-eighths section of the ceramic rotating tube. A second eddy current heating coil is fitted outside the refractory ceramic section from two-eighths to six-eighths, and a third thermomagnetic generator is fitted outside the second eddy current heating coil. The section from six-eighths to seven-eighths of the ceramic rotating tube is a refractory foam ceramic section. A refractory ceramic tube is installed below the insulation shell corresponding to the six-eighths to seven-eighths refractory foam ceramic section. The tungsten alloy roller assembly is installed at the position of the insulation shell corresponding to the eight-eighths section of the ceramic rotary tube. The electric motor is mounted on the front support frame of the iron-water separation ceramic rotary kiln. The front support frame is located below the outer surface of the insulation shell for the one-eighth to two-eighths section of the ceramic rotary tube. A beveled tungsten alloy gear on the motor shaft meshes with a beveled ring tungsten alloy gear. The rear support frame is located below the outer surface of the insulation shell corresponding to the eight-eighths section of the ceramic rotary tube.

[0006] A control method for an integrated iron smelting, hydrogen production, and power generation system. Iron ore powder and limestone powder are mixed in a specific ratio and placed into an electric screw extrusion hopper. The electric screw extrusion hopper is activated, forcing the powder into an electric screw extrusion conveyor. The gear reduction motor of the electric screw extrusion conveyor is started, rotating the driven gear and causing the tungsten alloy hollow shaft and tungsten alloy spiral blades to rotate within a refractory ceramic shell. The iron ore powder moves backward within the electric screw extrusion conveyor. A 100Hz AC current is applied to the first eddy current heating coil, generating eddy currents in the tungsten alloy hollow shaft and tungsten alloy spiral blades of the electric screw extrusion conveyor, heating them. The tungsten alloy hollow shaft and tungsten alloy spiral blades transfer heat to the iron ore powder inside the electric screw extrusion conveyor, heating the iron ore powder to over 450°C. An electric hydrogen regulating valve is energized and opened, allowing hydrogen to enter the tungsten alloy hollow shaft and be heated to over 500°C. Hydrogen gas at 500°C exiting from the foamed tungsten alloy hollow shaft section 4 (six-eighths to seven-eighths of the shaft) reacts exothermically with iron ore powder at 450°C inside the electric screw extrusion conveyor, generating 900°C foamed iron and water vapor. An adjustable 12-volt DC current is passed through the foamed graphite layer anode outside the refractory foamed ceramic section (six-eighths to seven-eighths of the refractory ceramic shell) of the electric screw extrusion conveyor, as well as the cathode of the tungsten alloy hollow shaft and tungsten alloy spiral blades, to electrolyze the 900°C water vapor. Oxygen is generated at the anode of the foamed graphite layer outside the refractory foamed ceramic section (six-eighths to seven-eighths of the refractory ceramic shell), while hydrogen is generated at the cathode of the tungsten alloy hollow shaft and tungsten alloy spiral blades. Hydrogen gas at 900℃ reacts exothermically with iron ore powder at 450℃ to produce water vapor at 900℃ and sponge iron at 900℃. It's called sponge iron because at 900℃, calcium carbonate in limestone reacts with silicon dioxide in the iron ore to produce calcium silicate and carbon dioxide. The silicon dioxide, calcium silicate, water vapor, and iron then combine to form sponge iron. A first thermomagnetic generator, encased in a first eddy current heating coil, is heated. The iron core of the first thermomagnetic generator is heated to over 70℃, transforming its non-magnetic properties into magnetic properties. When alternating current is applied to the excitation coil of the first thermomagnetic generator, amplified electrical energy is generated in its generating coil. When the compressor is started, oxygen at 600°C is drawn in from the anode of the foam graphite layer outside the refractory foam ceramic section of the refractory ceramic shell of the electric screw extrusion conveyor, which is 6 / 8 to 7 / 8 of the length. The oxygen passes through the central hole of the second thermomagnetic generator and enters the elbow of the elbow filter tank. In the elbow filter tank, sulfur dioxide is absorbed by water. The water containing sulfur dioxide is then extracted, heated, and oxygen is introduced. The oxygen reacts with sulfur dioxide to produce sulfur trioxide, which then reacts with water in a ring to produce sulfuric acid.The second thermomagnetic generator is heated, and its iron core is heated to over 70°C. The non-magnetic material in the iron core becomes magnetic. Alternating current is passed through the excitation coil of the second thermomagnetic generator, generating amplified electrical energy in its power generation coil. Oxygen and carbon dioxide from the elbow filter tank are drawn into the compressor. The compressor compresses the oxygen and carbon dioxide to 73 atmospheres and cools them to 31°C. The carbon dioxide gas becomes liquid carbon dioxide and is separated out, while the pure oxygen is used in the converter oxygen top blowing steelmaking process. After the iron smelting and hydrogen production processes are running normally, the hydrogen electric regulating valve is closed, the electric boiler is powered on to generate steam, and the steam electric regulating valve is opened. The steam enters the tungsten alloy hollow shaft and is heated to 500°C. The 500°C steam exiting from the foamed tungsten alloy hollow shaft section (six-eighths to seven-eighths of the shaft) is heated to 800°C by the 900°C sponge iron within the refractory foam ceramic section (six-eighths to seven-eighths of the electric screw extrusion conveyor's outer shell). The 800°C steam is electrolyzed, producing oxygen at the anode of the foam graphite layer outside the refractory foam ceramic section (six-eighths to seven-eighths of the electric screw extrusion conveyor's outer shell), and hydrogen at the cathode of the tungsten alloy hollow shaft and tungsten alloy spiral blade. The 900°C hydrogen reacts exothermically with the 450°C iron ore powder to produce 900°C steam and 900°C sponge iron. 900℃ sponge iron is forced into the refractory ceramic rotating tube of the iron-separation ceramic rotary kiln. A 100Hz alternating current is passed through the second eddy current heating coil to heat the sponge iron in the refractory ceramic rotating tube of the iron-separation ceramic rotary kiln, raising the sponge iron to 1300℃ and then turning it into molten iron. The third thermomagnetic generator is heated, and its iron core is heated to over 70℃. The non-magnetic material in the iron core of the third thermomagnetic generator becomes magnetic. An alternating current is passed through the excitation coil of the third thermomagnetic generator, generating amplified electrical energy in the generator coil. The electric motor is started, and the motor drives a conical tungsten alloy gear to rotate a conical ring tungsten alloy gear, causing the refractory ceramic rotary kiln for molten iron separation to rotate. Because molten iron is denser than iron slag, the refractory foam ceramic section of the ceramic rotary kiln, located at six-eighths to seven-eighths of the way up the slag, is thrown off and onto the insulating shell. The molten iron flows out through the refractory ceramic tube located below the insulating shell and into the medium-frequency steelmaking furnace. The iron slag flows out from the tail end of the refractory ceramic rotary kiln. This invention uses a small amount of hydrogen, but primarily steam and electric ironmaking. Attached image description:

[0007] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0008] Figure 1 This is a schematic diagram of the structure of an integrated iron smelting, hydrogen production, and power generation equipment according to the present invention. Detailed implementation method:

[0009] Figure 1As shown, an integrated iron smelting, hydrogen production, and power generation device is described. This integrated device comprises an electric screw extrusion funnel 1, an electric screw extrusion conveyor, a first eddy current heating coil 7, a first thermomagnetic power generation device 8, a second thermomagnetic power generation device 10, an elbow filter water tank 11, a compressor 12, an iron-water separation ceramic rotary kiln, a second eddy current final heating coil 18, a third thermomagnetic power generation device 19, and an adjustable 12-volt DC power supply. The electric screw extrusion conveyor is mounted inclined downwards on a frame and consists of a gear reduction motor 2, a driven gear 3, a tungsten alloy hollow shaft 4, tungsten alloy spiral blades 5, and a refractory ceramic shell 6. A steel hoop is fitted to the front end of the refractory ceramic shell 6 of the electric screw extrusion conveyor, and the end cover of the electric screw extrusion conveyor is fixed to the steel hoop at the front end of the refractory ceramic shell 6 with screws. The lower outlet of the electric screw extrusion funnel 1 is connected to the upper inlet of the front section of the refractory ceramic shell 6 of the electric screw extrusion conveyor. A driven gear 3 is mounted on the tungsten alloy hollow shaft 4 in front of the end cover of the electric screw extrusion conveyor. The output gear of the gear reduction motor 2 meshes with the driven gear 3. The right port of the tee is movably connected to the front end of the tungsten alloy hollow shaft 4 through an organosilicon rubber sealing ring. The hydrogen pipe from the top of the hydrogen storage tank is connected to the inlet of the hydrogen electric regulating valve, and the hydrogen pipe from the hydrogen electric regulating valve is connected to the left port of the tee. The steam pipe from the top of the electric boiler is connected to the inlet of the steam electric regulating valve, and the steam pipe from the steam electric regulating valve is connected to the lower port of the tee. One-eighth to six-eighths of the refractory ceramic shell 6 of the electric screw extrusion conveyor is a refractory ceramic section, and a first eddy current heating coil 7 is mounted on the outside of the first eddy current heating coil 7. A first thermomagnetic generator 8 is fitted outside the first eddy current heating coil 7. The refractory ceramic shell 6 of the electric screw extrusion conveyor has a refractory foam ceramic section for six-eighths to seven-eighths of its length. The tungsten alloy hollow shaft 4 of the electric screw extrusion conveyor also has a foam tungsten alloy hollow shaft section for six-eighths to seven-eighths of its length. A foam graphite layer 9 is sprayed onto the outside of the refractory foam ceramic section 6. An adjustable 12-volt DC power supply is connected to the foam graphite layer 9. A tungsten alloy hoop is installed at the rear end of the refractory ceramic shell 6. A tungsten alloy bracket extending from the tungsten alloy hoop at the rear end of the refractory ceramic shell 6 is connected to the tungsten alloy bearing. The rear end of the hollow shaft 4 is closed and inserted into the tungsten alloy bearing. The positive terminal of the adjustable 12-volt DC power supply is connected to the tungsten alloy hoop at the rear end of the refractory ceramic shell 6. The hydrogen pipe extending from the foamed graphite layer 9 passes through the central hole of the second thermomagnetic power generation device 10 and connects to the elbow inlet of the elbow filter tank 11. The gas pipe extending from the top of the elbow filter tank 11 connects to the inlet of the compressor 12.The iron-water separation ceramic rotary kiln consists of a refractory ceramic rotary tube 13, a front tungsten alloy roller assembly 17, a rear tungsten alloy roller assembly 20, a conical annular tungsten alloy gear 14, a motor 16, a conical tungsten alloy gear 15, a second eddy current heating coil 18, and a third thermomagnetic power generation device 19. The tungsten alloy hoop at the rear end of the refractory ceramic shell 6 of the electric screw extrusion conveyor is movably connected to the front end of the ceramic rotary tube 13 of the iron-water separation ceramic rotary kiln. The section from the front end to six-eighths of the ceramic rotary tube 13 is a refractory ceramic section. The conical annular tungsten alloy gear 14 is installed in one-eighths of the ceramic rotary tube 13. The front tungsten alloy roller 17 is installed inside the insulation shell corresponding to the two-eighths section of the ceramic rotary tube 13. The second eddy current heating coil 18 is fitted outside the refractory ceramic section from two-eighths to six-eighths of the ceramic rotary tube 13, and the third thermomagnetic power generation device 19 is fitted outside the second eddy current heating coil 18. Six-eighths to seven-eighths of the ceramic rotary tube 13 is a refractory foam ceramic section, and a refractory ceramic tube 21 is installed below the insulation shell corresponding to the six-eighths to seven-eighths refractory foam ceramic section of the ceramic rotary tube 13. A rear tungsten alloy roller assembly 20 is installed at the insulation shell position corresponding to the eight-eighths refractory foam ceramic section of the ceramic rotary tube 13. A motor 16 is mounted on the front support frame of the iron-water separation ceramic rotary kiln, and a front support frame is located below the outer surface of the insulation shell of the one-eighths to two-eighths refractory section of the ceramic rotary tube 13. A conical tungsten alloy gear 15 on the shaft of the motor 16 meshes with a conical ring tungsten alloy gear 14, and a rear support frame is located below the outer surface of the insulation shell corresponding to the eight-eighths refractory section of the ceramic rotary tube 13.

[0010] Figure 1As shown, a control method for an integrated iron smelting, hydrogen production, and power generation equipment is described. Iron ore powder and limestone powder are mixed in a specific ratio and placed into an electric screw extrusion hopper 1. The electric screw extrusion hopper 1 is started, forcing the powder into an electric screw extrusion conveyor. The gear reduction motor 2 of the electric screw extrusion conveyor is started, rotating and driving the driven gear 3, causing the tungsten alloy hollow shaft 4 and tungsten alloy spiral blades 5 to rotate inside a refractory ceramic shell 6. The iron ore powder moves backward within the electric screw extrusion conveyor. A 100Hz AC current is supplied to the first eddy current heating coil 7, generating eddy currents in the tungsten alloy hollow shaft 4 and tungsten alloy spiral blades 5 of the electric screw extrusion conveyor, heating them. The tungsten alloy hollow shaft 4 and tungsten alloy spiral blades 5 transfer heat to the iron ore powder inside the electric screw extrusion conveyor, heating the iron ore powder to over 450°C. The hydrogen-powered regulating valve is energized and opened, allowing hydrogen to enter the tungsten alloy hollow shaft 4, where it is heated to over 500°C. The 500°C hydrogen exiting from the foamed tungsten alloy hollow shaft 4 (six-eighths to seven-eighths of the shaft) reacts exothermically with the 450°C iron ore powder inside the electric screw extrusion conveyor, producing 900°C foamed iron and water vapor. An adjustable 12-volt DC current is passed through the anode of the foamed graphite layer 9 outside the refractory foamed ceramic section of the refractory ceramic shell 6 of the electric screw extrusion conveyor, and the cathodes of the tungsten alloy hollow shaft 4 and the tungsten alloy spiral blade 5, electrolyzing the 900°C water vapor. Oxygen is generated at the anode of the foamed graphite layer 9 outside the refractory foamed ceramic section of the refractory ceramic shell 6 of the electric screw extrusion conveyor, while hydrogen is generated at the cathodes of the tungsten alloy hollow shaft 4 and the tungsten alloy spiral blade 5. Hydrogen gas at 900℃ reacts exothermically with iron ore powder at 450℃ to produce water vapor at 900℃ and sponge iron at 900℃. It's called sponge iron because at 900℃, calcium carbonate in limestone reacts with silicon dioxide in the iron ore to produce calcium silicate and carbon dioxide. Silicon dioxide, calcium silicate, water vapor, and iron then combine to form sponge iron. A first thermomagnetic generator 8, encased in a first eddy current heating coil 7, is heated. The iron core of the first thermomagnetic generator 8 is heated to over 70℃, transforming the non-magnetic material in its core into a magnetic material. When alternating current is applied to the excitation coil of the first thermomagnetic generator 8, amplified electrical energy is generated in its generator coil.When compressor 12 is started, oxygen at 600°C is drawn in from the anode of the foam graphite layer 9 outside the refractory foam ceramic section (six-eighths to seven-eighths of the outer shell 6 of the electric screw extrusion conveyor) and enters the bend of the elbow filter tank 11 through the central hole of the second thermomagnetic generator 10. In the elbow filter tank 11, sulfur dioxide is absorbed by the water. The water containing sulfur dioxide is then extracted, heated, and oxygen is introduced. The oxygen reacts with the sulfur dioxide to produce sulfur trioxide, which then reacts with the water to produce sulfuric acid. The second thermomagnetic generator 10 is heated, and its iron core is heated to over 70°C, transforming the non-magnetic material in the iron core into a magnetic material. Alternating current is applied to the excitation coil of the second thermomagnetic generator 10, generating amplified electrical energy in its generating coil. The oxygen and carbon dioxide from the elbow filter tank 11 are drawn into compressor 12. Compressor 12 compresses oxygen and carbon dioxide to 73 atmospheres and cools them to 31°C. The carbon dioxide gas becomes liquid carbon dioxide and is separated out, while the pure oxygen is used in the converter oxygen top blowing steelmaking process. After the iron smelting and hydrogen production processes are running normally, the hydrogen electric regulating valve is closed, the electric boiler is powered on to generate steam, and the steam electric regulating valve is opened. The steam enters the tungsten alloy hollow shaft 4 and is heated to 500°C. The 500°C steam exiting from the foamed tungsten alloy hollow shaft section (six-eighths to seven-eighths of the shaft) is heated to 800°C by the 900°C sponge iron inside the refractory foam ceramic section (six-eighths to seven-eighths of the refractory ceramic shell 6) of the electric screw extrusion conveyor. The 800°C steam is electrolyzed, producing oxygen at the anode of the foamed graphite layer 9 outside the refractory foam ceramic section (six-eighths to seven-eighths of the refractory ceramic shell 6) and hydrogen at the cathode of the tungsten alloy hollow shaft 4 and tungsten alloy spiral blade 5. The 900°C hydrogen reacts exothermically with the 450°C iron ore powder to produce 900°C steam and 900°C sponge iron. 900℃ sponge iron is forced into the refractory ceramic rotating tube 13 of the iron-water separation ceramic rotary kiln. A 100Hz alternating current is supplied to the second eddy current heating coil 18 to heat the sponge iron in the refractory ceramic rotating tube 13 to 1300℃, thus turning it into molten iron. The third thermomagnetic power generation device 19 is heated, and its iron core is heated to over 70℃. The non-magnetic material in the iron core of the third thermomagnetic power generation device 19 becomes magnetic. An alternating current is supplied to the excitation coil of the third thermomagnetic power generation device 19, generating amplified electrical energy in its power generation coil.The motor 16 is started, and the motor drives the conical ring tungsten alloy gear 14 to rotate via the conical tungsten alloy gear 15. This causes the refractory ceramic rotary kiln for molten iron separation to rotate via the refractory ceramic rotary tube 13. Because the specific gravity of molten iron is greater than that of iron slag, the refractory foam ceramic section of the ceramic rotary tube 13, which is located between six-eighths and seven-eighths of the way up, is thrown out and onto the insulation shell. The molten iron flows out from the refractory ceramic tube 21 installed below the insulation shell and into the medium-frequency steelmaking furnace. The iron slag flows out from the tail end of the refractory ceramic rotary kiln via the refractory ceramic rotary tube 13.

Claims

1. An integrated equipment for iron smelting, hydrogen production, and power generation, characterized in that: The integrated ironmaking, hydrogen production, and power generation equipment consists of an electric screw extrusion hopper (1), an electric screw extrusion conveyor, a first eddy current heating coil (7), a first thermomagnetic power generation device (8), a second thermomagnetic power generation device (10), an elbow filter tank (11), a compressor (12), an iron-water separation ceramic rotary kiln, a second eddy current final heating coil (18), a third thermomagnetic power generation device (19), and an adjustable 12-volt DC power supply. The electric screw extrusion conveyor is installed at an angle downwards on the frame. The electric screw extrusion conveyor consists of a gear reduction motor (2), a driven gear (3), a tungsten alloy hollow shaft (4), tungsten alloy spiral blades (5), and a refractory ceramic shell (6). The front end of the refractory ceramic shell (6) of the electric screw extrusion conveyor... Equipped with steel hoops, the end cap of the electric screw extrusion conveyor is fixed to the front steel hoop of the refractory ceramic shell (6) by screws. The lower outlet of the electric screw extrusion funnel (1) is connected to the upper inlet of the front section of the refractory ceramic shell (6) of the electric screw extrusion conveyor. A driven gear (3) is installed on the tungsten alloy hollow shaft (4) in front of the end cap of the electric screw extrusion conveyor. The output gear of the gear reduction motor (2) meshes with the driven gear (3). The right interface of the tee is movably connected to the front end of the tungsten alloy hollow shaft (4) through an organosilicon rubber sealing ring. The hydrogen pipe connected from the top of the hydrogen storage tank is connected to the inlet of the hydrogen electric regulating valve. The hydrogen pipe connected from the hydrogen electric regulating valve is connected to the left interface of the tee. The steam pipe connected from the top of the electric boiler is connected to the steam... The steam pipe from the steam electric regulating valve is connected to the lower interface of the tee. One-eighth to six-eighths of the refractory ceramic shell (6) of the electric screw extrusion conveyor is a refractory ceramic section, with a first eddy current heating coil (7) installed outside. A first thermomagnetic generator (8) is fitted outside the first eddy current heating coil (7). Six-eighths to seven-eighths of the refractory ceramic shell (6) of the electric screw extrusion conveyor is a refractory foam ceramic section. Six-eighths to seven-eighths of the tungsten alloy hollow shaft (4) of the electric screw extrusion conveyor is a foam tungsten alloy hollow shaft section. Six-eighths to seven-eighths of the refractory ceramic shell (6) of the electric screw extrusion conveyor is a refractory foam ceramic section, with a foam graphite layer (9) sprayed on the outside. The negative terminal of the adjustable 12-volt DC power supply is connected to the foam graphite layer (9). The rear end of the refractory ceramic shell (6) of the electric screw extrusion conveyor is equipped with a tungsten alloy hoop. The tungsten alloy bracket extending from the rear end of the refractory ceramic shell (6) of the electric screw extrusion conveyor to the shaft center is connected to the tungsten alloy bearing. The rear end of the hollow rotating shaft (4) of the electric screw extrusion conveyor is closed. The rear end of the hollow rotating shaft (4) of the electric screw extrusion conveyor is inserted into the tungsten alloy bearing. The positive terminal of the adjustable 12-volt DC power supply is connected to the tungsten alloy hoop installed at the rear end of the refractory ceramic shell (6) of the electric screw extrusion conveyor. The hydrogen pipe connected from the foam graphite layer (9) passes through the center hole of the second thermomagnetic generator (10) and connects to the elbow inlet of the elbow filter water tank (11).The air pipe extending from the top of the elbow filter tank (11) is connected to the inlet of the compressor (12). The iron-water separation ceramic rotary kiln consists of a refractory ceramic rotary tube (13), a front tungsten alloy roller assembly (17), a rear tungsten alloy roller assembly (20), a conical ring tungsten alloy gear (14), an electric motor (16), a conical tungsten alloy gear (15), a second eddy current heating coil (18), and a third thermomagnetic generator (19). The tungsten alloy hoop installed at the rear end of the refractory ceramic shell (6) of the electric screw extrusion conveyor is movably connected to the front end of the ceramic rotary tube (13) of the iron-water separation ceramic rotary kiln. The section from the front end to six-eighths of the ceramic rotary tube (13) is the refractory ceramic section. The section one-eighth of the ceramic rotary tube (13) is equipped with a conical ring tungsten alloy gear (14). The insulation shell corresponding to the two-eighths section of the ceramic rotary tube (13) is equipped with a front tungsten alloy roller (17). The section from the two-eighths to the six-eighths of the ceramic rotary tube (13) A second eddy current heating coil (18) is fitted outside the refractory ceramic section, and a third thermomagnetic power generation device (19) is fitted outside the second eddy current heating coil (18). Six-eighths to seven-eighths of the ceramic rotary tube (13) is a refractory foam ceramic section. A refractory ceramic tube (21) is installed under the insulation shell corresponding to the six-eighths to seven-eighths refractory foam ceramic section of the ceramic rotary tube (13). The refractory foam ceramic section corresponding to the eight-eighths refractory foam ceramic section of the ceramic rotary tube (13) is further... A rear tungsten alloy roller assembly (20) is installed at the location of the insulation shell. A motor (16) is mounted on the front support frame of the iron-water separation ceramic rotary kiln. A front support frame is located below the outer surface of the insulation shell for one-eighth to two-eighths of the ceramic rotary tube (13). A conical tungsten alloy gear (15) on the shaft of the motor (16) meshes with a conical ring tungsten alloy gear (14). A rear support frame is located below the outer surface of the insulation shell for the corresponding eight-eighths section of the ceramic rotary tube (13).

Citation Information

Patent Citations

  • Power generating device by waste heat of automobiles

    CN102510243A