CN111394529A - High-temperature molten slag waste heat recovery device with protection structure - Google Patents
High-temperature molten slag waste heat recovery device with protection structure Download PDFInfo
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- CN111394529A CN111394529A CN202010379738.9A CN202010379738A CN111394529A CN 111394529 A CN111394529 A CN 111394529A CN 202010379738 A CN202010379738 A CN 202010379738A CN 111394529 A CN111394529 A CN 111394529A
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- waste heat
- bin
- molten slag
- protective structure
- storehouse
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
- C21B3/08—Cooling slag
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/02—Physical or chemical treatment of slags
- C21B2400/022—Methods of cooling or quenching molten slag
- C21B2400/024—Methods of cooling or quenching molten slag with the direct use of steam or liquid coolants, e.g. water
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/05—Apparatus features
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/08—Treatment of slags originating from iron or steel processes with energy recovery
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- 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
- Y02P10/25—Process efficiency
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a high-temperature slag waste heat recovery device with a protective structure, and relates to the technical field of industrial waste residue treatment equipment. According to the high-temperature slag waste heat recovery device with the protection structure, the electric push rod is used for longitudinally electrically pushing the extrusion plate, the storage and use space in the inner cylinder is compressed, high-temperature slag and high-temperature gas are extruded and downwards transferred, the slag heating efficiency is increased, and heat loss is reduced.
Description
Technical Field
The invention relates to the technical field of industrial waste residue treatment equipment, in particular to a high-temperature molten slag waste heat recovery device with a protection structure.
Background
The slag is usually vitreous non-metal substance which is coated on the surface of molten metal after iron ore is smelted, the converter steelmaking process is carried out in a molten reaction medium, so the slag is a product of the pyrometallurgical process and is a melt which mainly comprises oxides in metallurgical raw materials or oxides generated in the metallurgical process, the slag has the main function of capturing oxidation products of impurity elements in crude metal and separating the oxidation products from main metal, and during steelmaking, the added slag-making flux is fused with the oxidation products of the impurity elements in the raw materials to form the slag, so that S, P can be removed, non-metal inclusions can be absorbed, and the high-temperature slag is a high-quality heat source, so the waste heat of the slag can be recycled.
At present, the waste heat recovery device for high-temperature molten slag is simple in use structure, the waste heat recovery device is usually of a fixed structure, the flexibility for space use is not enough, extra loss can be caused by matching of a large space and a small amount of molten slag, heat loss is caused, certain protection measures are absent in the waste heat recovery structure for the molten slag at present, equipment is abraded in the recovery process, the service durability and the service life of the equipment are influenced, a certain maintenance structure is absent after the equipment is used, the equipment is not favorable for reuse, and therefore the high-temperature molten slag waste heat recovery device with the protection structure is needed.
Disclosure of Invention
The invention mainly aims to provide a high-temperature slag waste heat recovery device with a protective structure, which reduces heat loss by flexibly adjusting the recovery processing space of slag waste heat, increases corresponding internal and external protective structures, improves the use efficiency of equipment, prolongs the use durability and can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that: a high-temperature slag waste heat recovery device with a protection structure comprises a recovery bin and an inner tube, wherein the inner tube is arranged inside the recovery bin, an extrusion plate is arranged inside the inner tube, two opposite side surfaces of the extrusion plate are both connected with a slide block, the inner surface of the inner tube is provided with a slide groove, the slide block is in sliding fit with the slide groove, the upper surface of the recovery bin is provided with a cover plate, one surface of the cover plate is provided with an electric push rod, an output shaft of the electric push rod penetrates through the cover plate and extends into the recovery bin to be connected with the extrusion plate, a partition plate is arranged between the inner side surface of the recovery bin and the inner tube and is of a detachable structure, an installation block is connected between one surface of the partition plate and the recovery bin, the inner tube is also provided with a stirring rod, the bottom end of the recovery, retrieve the storehouse bottom and still be connected with two sets of immersed tubes, the output of two sets of immersed tubes is connected with the storehouse of stewing, a storehouse surface connection of stewing has the contact tube No. one, the storehouse of stewing is connected with useful hot storehouse through the contact tube No. one, with hot storehouse upper surface connection has temperature detect ware No. one, another surface connection in storehouse of stewing has the contact tube No. two, the storehouse of stewing is connected with the water tank through No. two contact tubes, the water tank upper surface is provided with the water filling port, the inside water pump that is provided with of water tank, the water tank surface is connected with the honeycomb duct, the output and the recovery storehouse of honeycomb duct are connected, the input and the water pump of honeycomb duct are connected, retrieve a plurality of supports of storehouse bottom.
Preferably, the inner tube is internally provided with a ventilation plate, the central position of the ventilation plate is of a hollow structure, the driving shaft penetrates through the hollow structure of the ventilation plate, and the stirring rod is arranged on one side of the outer surface of the ventilation plate to separate and block slag materials, so that the residual heat is convenient to sink and lead out, and the using effect is enhanced.
Preferably, No. one delivery tube side surface is connected with the control valve No. one, No. two delivery tube side surface is connected with the control valve No. two, honeycomb duct one side surface is connected with the water valve, adjusts control to delivery tube, No. two delivery tubes and honeycomb duct respectively.
Preferably, be connected with flexible piece between apron a surface and the recovery storehouse, can carry out height control to the apron, be convenient for open and close it.
Preferably, a fixing block is connected between one surface of the electric push rod and the cover plate, so that the electric push rod is fixed and installed, and stress points are increased.
Preferably, an electric telescopic shaft is connected to the output end of the driving shaft, so that the using length of the stirring rod can be conveniently adjusted to adapt to the using extension distance of the extrusion rod.
Preferably, a surface of the water tank is connected with a second temperature detector, so that the use temperature of a water source is observed, and the use controllability is improved.
Preferably, retrieve storehouse one surface and be provided with the controller, the controller respectively with electric putter and electric telescopic shaft electric connection, it is stronger to electric putter and electric telescopic shaft's automated control effect.
Preferably, a useful heat pipe is connected to one surface of the heat utilization bin to help the waste heat to be led out for use.
Preferably, the bottom end of the recovery bin is connected with a discharge pipe, so that slag waste is conveniently discharged.
The invention has the following beneficial effects:
according to the invention, the electric push rod is used for longitudinally electrically pushing the extrusion plate, so that the storage and use space in the inner cylinder can be compressed, high-temperature slag and high-temperature gas are extruded and transferred downwards, the heating efficiency of the slag can be increased, the heat loss is reduced, and the utilization efficiency is improved.
In the invention, the partition plate is arranged between the inner cylinder and the recovery bin, so that on one hand, heat preservation and sound insulation can be carried out, on the other hand, the slag can be separated and protected when the inner cylinder is worn and damaged in use, the use safety is improved, and meanwhile, the partition plate can be periodically detached, maintained or replaced, and the protection durability is maintained.
Thirdly, in the invention, the water source in the water tank is conducted to the recovery bin by the guide pipe, which can be used for cooling the slag in the inner barrel of the recovery bin and cleaning the interior of the recovery bin and the inner barrel after use, and the recovery device has stronger operation and use controllability.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a high-temperature slag waste heat recovery device with a protective structure according to the present invention;
FIG. 2 is a schematic structural diagram of a front view of a high-temperature slag waste heat recovery device with a protective structure according to the present invention;
FIG. 3 is a schematic diagram of a right-side view structure of the high-temperature slag waste heat recovery device with a protective structure according to the present invention;
FIG. 4 is a schematic diagram of the internal structure of a high temperature slag waste heat recovery device with a protective structure according to the present invention;
FIG. 5 is a schematic bottom structure view of a high temperature slag waste heat recovery device with a protective structure according to the present invention;
FIG. 6 is a schematic top view of the high temperature slag waste heat recovery device with a protective structure according to the present invention;
fig. 7 is a schematic position structure diagram of a water pump of the high-temperature slag waste heat recovery device with the protection structure.
In the figure: 1. a recovery bin; 2. an inner barrel; 3. a motor; 4. a cover plate; 5. a telescopic block; 6. an electric push rod; 7. a pressing plate; 8. a fixed block; 9. a slider; 10. a chute; 11. mounting blocks; 12. a drive shaft; 13. a stirring rod; 14. a gas permeable plate; 15. sinking the pipe; 16. an electric telescopic shaft; 17. standing in a bin; 18. a first delivery pipe; 19. a first control valve; 20. a hot bin is used; 21. a first temperature detector; 22. a water tank; 23. a water injection port; 24. a flow guide pipe; 25. a water pump; 26. a second delivery pipe; 27. a second control valve; 28. a water valve; 29. a second temperature detector; 30. a controller; 31. using a heat pipe; 32. a discharge pipe; 33. a partition plate; 34. and (4) a bracket.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The first embodiment is as follows:
please refer to fig. 1-7: a high-temperature slag waste heat recovery device with a protection structure comprises a recovery bin 1 and an inner barrel 2, wherein the inner barrel 2 is arranged inside the recovery bin 1, an extrusion plate 7 is arranged inside the inner barrel 2, two opposite side surfaces of the extrusion plate 7 are both connected with a sliding block 9, the inner surface of the inner barrel 2 is provided with a sliding groove 10, the sliding block 9 is in sliding fit with the sliding groove 10, the extrusion plate 7 forms matched sliding in the sliding groove 10 through the sliding block 9, the stability during longitudinal movement is stronger, a cover plate 4 is arranged on the upper surface of the recovery bin 1, the cover plate 4 covers the recovery bin 1, the use safety is improved, in addition, the slag is convenient to guide in, an electric push rod 6 is arranged on one surface of the cover plate 4, an output shaft of the electric push rod 6 penetrates through the cover plate 4 and extends into the recovery bin 1 to be connected with the extrusion plate 7, the electric push rod 6 is utilized to, the high-temperature slag and the high-temperature gas are extruded and transferred downwards, so that the heating efficiency of the slag can be increased, the heat loss is reduced, and the utilization efficiency is synchronously improved;
a partition plate 33 is arranged between the inner side surface of the recovery bin 1 and the inner barrel 2, the partition plate 33 is of a detachable structure, an installation block 11 is connected between one surface of the partition plate 33 and the recovery bin 1, the partition plate 33 is fixedly installed by using the installation block 11, a protection effect on the inner side of the recovery device is formed, the partition plate 33 can be periodically detached, maintained or replaced, the durability of protection is maintained, a stirring rod 13 is further arranged inside the inner barrel 2, a motor 3 is arranged at the bottom end of the recovery bin 1, the output end of the motor 3 is connected with a driving shaft 12, the stirring rod 13 is connected with the driving shaft 12, the stirring rod 13 is driven by the motor 3 through the driving shaft 12, slag at the bottom in the inner barrel 2 is stirred and;
the bottom end of the recovery bin 1 is also connected with two groups of sunken tubes 15, the output ends of the two groups of sunken tubes 15 are connected with a standing bin 17, one surface of the standing bin 17 is connected with a first discharge tube 18, the standing bin 17 is connected with a first hot bin 20 through the first discharge tube 18, the upper surface of the first hot bin 20 is connected with a first temperature detector 21, the sunken tubes 15 are used for conducting and storing high-temperature heat, the high-temperature heat is conducted to the standing bin 17 and conducted to the hot bin 20, waste heat can be conducted and used through the first discharge tube 18, and the first temperature detector 21 can observe and adjust the conducted use temperature;
the other surface of the standing bin 17 is connected with a second delivery pipe 26, the standing bin 17 is connected with a water tank 22 through the second delivery pipe 26, the upper surface of the water tank 22 is provided with a water filling port 23, a water pump 25 is arranged inside the water tank 22, the outer surface of the water tank 22 is connected with a flow guide pipe 24, the output end of the flow guide pipe 24 is connected with the recovery bin 1, the flow guide pipe 24 is used for guiding a water source in the water tank 22 to the recovery bin 1, the water tank can be used for cooling slag in an inner barrel 2 in the recovery bin 1 and cleaning the inner barrel after the recovery bin 1 and the inner barrel 2 are used, the recycling device is higher in controllability in operation and use, the input end of the flow guide pipe 24 is connected with the water pump 25, the water pump 25 is used as a water flow pressurization guiding structure, the.
Example two:
please refer to fig. 1-7: the inner cylinder 2 is internally provided with a vent plate 14, the center of the vent plate 14 is of a hollow structure, a driving shaft 12 penetrates through the hollow structure of the vent plate 14, a stirring rod 13 is arranged on one side of the outer surface of the vent plate 14, the vent plate 14 permeates waste heat to basically keep molten slag in the recovery bin 1, one side surface of a first delivery pipe 18 is connected with a first control valve 19, one side surface of a second delivery pipe 26 is connected with a second control valve 27 to regulate and control the flow of the derived waste heat, one side surface of a guide pipe 24 is connected with a water valve 28 to control the derived water flow, a telescopic block 5 is connected between one surface of a cover plate 4 and the recovery bin 1, the telescopic block 5 can lift and open the cover plate 4, so that the molten slag can be conveniently led in, a fixed block 8 is connected between one surface of an electric push rod 6 and the cover plate 4, the fixed block 8 is used for installing and, the output of drive shaft 12 is connected with electronic telescopic shaft 16, electronic telescopic shaft 16 can adjust the use length of puddler 13, make its and stripper plate 7's service distance form reasonable adaptation, a water tank 22 surface is connected with temperature detector 29 No. two, observe the service temperature at water source, it is provided with controller 30 to retrieve 1 surface in storehouse, controller 30 respectively with electric putter 6 and electronic telescopic shaft 16 electric connection, electric putter 6 and electronic telescopic shaft 16 utilize controller 30 to carry out electric regulation control, the operation is more simple convenient, it is stronger to use self-adaptive capacity, with 20 surface connections in hot storehouse useful heat pipe 31, derive the use to the waste heat, 1 bottom in recovery storehouse is connected with row material pipe 32, be used for discharging the slag waste material.
It should be noted that, the invention is a high temperature slag waste heat recovery device with a protective structure, in the operation and use process, firstly, the cover plate 4 is lifted and opened by the telescopic block 5, the slag material is led in, the inner cylinder 2 is provided with an openable lead-in port on the side surface of the inner cylinder 2, the lead-in port is closed after the slag is led in, and the cover plate 4 is closed, the slag can carry out the heat closed emission, wherein, a clapboard 33 is arranged between the inner cylinder 2 and the recovery bin 1, the clapboard 33 is used as the protective structure of the recovery device, on one hand, the heat preservation and the sound insulation can be carried out, on the other hand, the slag can be separated and protected when the inner cylinder 2 is worn and damaged, the use safety is improved, the extrusion plate 7 arranged at the upper end inside the inner cylinder 2 can carry out the space compression from top to bottom through the electric push rod 6, the heat is more concentrated, the waste, the waste heat is guided to a standing bin 17 through a sinking pipe 15 to store and use the waste heat, the waste heat can be guided out to a heat using bin 20 through a first guide pipe 18 when in use, the upper surface of the heat using bin 20 is connected with a corresponding first temperature detector 21 to improve the controllability of the use of the waste heat, the waste heat can also be guided out to a water tank 22 through a second guide pipe 26, a water storage source in the water tank 22 can be guided out through a guide pipe 24 to be used for cooling slag in an inner cylinder 2 in a recovery bin 1 to enhance the utilization controllable effect, the waste heat can also be used for cleaning the recovery bin 1 and the inner cylinder 2 after use, the use protection and maintenance effect of the device is improved, the service life of the device is prolonged, wherein the use rated output power of an electric push rod 6 is 2.8-3.5kw, the use rated working power of a motor 3 is 1.5-2.5kw, the detection temperature interval of the first temperature detector 21 is 500-1500 ℃, the detection temperature interval of the second temperature detector 29 is, the water pump 25 has a rated power output of 0.8-1.2 kw.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a high temperature slag waste heat recovery device with protective structure, is including retrieving storehouse (1) and inner tube (2), inner tube (2) set up inside retrieving storehouse (1), its characterized in that: an extrusion plate (7) is arranged in the inner cylinder (2), two opposite side surfaces of the extrusion plate (7) are connected with sliding blocks (9), a sliding groove (10) is formed in the inner surface of the inner cylinder (2), the sliding blocks (9) are in sliding fit with the sliding groove (10), a cover plate (4) is arranged on the upper surface of the recovery bin (1), an electric push rod (6) is arranged on one surface of the cover plate (4), and an output shaft of the electric push rod (6) penetrates through the cover plate (4) and extends into the recovery bin (1) to be connected with the extrusion plate (7);
a partition plate (33) is arranged between the inner side surface of the recovery bin (1) and the inner barrel (2), the partition plate (33) is of a detachable structure, an installation block (11) is connected between one surface of the partition plate (33) and the recovery bin (1), a stirring rod (13) is further arranged inside the inner barrel (2), a motor (3) is installed at the bottom end of the recovery bin (1), the output end of the motor (3) is connected with a driving shaft (12), and the stirring rod (13) is connected with the driving shaft (12);
the bottom end of the recovery bin (1) is also connected with two groups of sunken tubes (15), the output ends of the two groups of sunken tubes (15) are connected with a standing bin (17), one surface of the standing bin (17) is connected with a first delivery pipe (18), the standing bin (17) is connected with a heat bin (20) through the first delivery pipe (18), and the upper surface of the heat bin (20) is connected with a first temperature detector (21);
the utility model discloses a storehouse for stewing, including storehouse (17) of stewing, storehouse (17) of stewing is connected with eduction tube (26) No. two, storehouse (17) of stewing is connected with water tank (22) through eduction tube (26) No. two, water tank (22) upper surface is provided with water filling port (23), inside water pump (25) that is provided with of water tank (22), water tank (22) surface is connected with honeycomb duct (24), the output and the recovery storehouse (1) of honeycomb duct (24) are connected, the input and the water pump (25) of honeycomb duct (24) are connected, retrieve a plurality of supports (34) of storehouse (1) bottom fixedly connected with.
2. The device for recovering the waste heat of the high-temperature molten slag with the protective structure according to claim 1, is characterized in that: the inner cylinder (2) is internally provided with a ventilating plate (14), the central position of the ventilating plate (14) is of a hollow structure, the driving shaft (12) penetrates through the hollow structure of the ventilating plate (14), and the stirring rod (13) is arranged on one side of the outer surface of the ventilating plate (14).
3. The device for recovering the waste heat of the high-temperature molten slag with the protective structure according to claim 1, is characterized in that: a control valve (19) is connected with on one side surface of a first delivery pipe (18), a control valve (27) is connected with on one side surface of a second delivery pipe (26), and a water valve (28) is connected with on one side surface of a draft tube (24).
4. The device for recovering the waste heat of the high-temperature molten slag with the protective structure according to claim 1, is characterized in that: and a telescopic block (5) is connected between one surface of the cover plate (4) and the recovery bin (1).
5. The device for recovering the waste heat of the high-temperature molten slag with the protective structure according to claim 1, is characterized in that: a fixing block (8) is connected between one surface of the electric push rod (6) and the cover plate (4).
6. The device for recovering the waste heat of the high-temperature molten slag with the protective structure according to claim 1, is characterized in that: the output end of the driving shaft (12) is connected with an electric telescopic shaft (16).
7. The device for recovering the waste heat of the high-temperature molten slag with the protective structure according to claim 1, is characterized in that: one surface of the water tank (22) is connected with a second temperature detector (29).
8. The device for recovering the residual heat of the high-temperature molten slag with the protective structure according to claim 1 or 6, wherein: a controller (30) is arranged on one surface of the recovery bin (1), and the controller (30) is electrically connected with the electric push rod (6) and the electric telescopic shaft (16) respectively.
9. The device for recovering the waste heat of the high-temperature molten slag with the protective structure according to claim 1, is characterized in that: one surface of the heat utilization bin (20) is connected with a heat utilization pipe (31).
10. The device for recovering the waste heat of the high-temperature molten slag with the protective structure according to claim 1, is characterized in that: the bottom end of the recovery bin (1) is connected with a discharge pipe (32).
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|---|---|---|---|
| CN202010379738.9A CN111394529B (en) | 2020-05-07 | 2020-05-07 | High-temperature molten slag waste heat recovery device with protection structure |
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| CN202010379738.9A CN111394529B (en) | 2020-05-07 | 2020-05-07 | High-temperature molten slag waste heat recovery device with protection structure |
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| CN111394529B CN111394529B (en) | 2022-02-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114277204A (en) * | 2020-09-18 | 2022-04-05 | 中环正奇科技有限公司 | Blast furnace slag recycling device |
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| CN110055114A (en) * | 2019-04-16 | 2019-07-26 | 东北大学 | A kind of blast furnace cinder waste heat driving gasification reactor apparatus of immersion collaboration stirring |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114277204A (en) * | 2020-09-18 | 2022-04-05 | 中环正奇科技有限公司 | Blast furnace slag recycling device |
| CN114277204B (en) * | 2020-09-18 | 2022-12-20 | 中环正奇科技有限公司 | Blast furnace slag recycling device |
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