EP4279614A1 - Récupération de chaleur perdue lors du refroidissement de scories provenant de la fabrication de fer et d'acier - Google Patents
Récupération de chaleur perdue lors du refroidissement de scories provenant de la fabrication de fer et d'acier Download PDFInfo
- Publication number
- EP4279614A1 EP4279614A1 EP23172504.5A EP23172504A EP4279614A1 EP 4279614 A1 EP4279614 A1 EP 4279614A1 EP 23172504 A EP23172504 A EP 23172504A EP 4279614 A1 EP4279614 A1 EP 4279614A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat exchange
- storage device
- heat
- exchange fluid
- slag
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002893 slag Substances 0.000 title claims abstract description 66
- 239000002918 waste heat Substances 0.000 title claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 title claims description 20
- 239000010959 steel Substances 0.000 title claims description 20
- 238000001816 cooling Methods 0.000 title description 8
- 238000004519 manufacturing process Methods 0.000 title description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title description 4
- 229910052742 iron Inorganic materials 0.000 title description 2
- 239000012530 fluid Substances 0.000 claims abstract description 57
- 238000005338 heat storage Methods 0.000 claims abstract description 29
- 238000003860 storage Methods 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 238000010248 power generation Methods 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000011819 refractory material Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 4
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 229910052734 helium Inorganic materials 0.000 claims description 3
- 239000001307 helium Substances 0.000 claims description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 2
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 2
- 239000003570 air Substances 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- 229910001570 bauxite Inorganic materials 0.000 claims description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 2
- 239000000292 calcium oxide Substances 0.000 claims description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 2
- 229910000423 chromium oxide Inorganic materials 0.000 claims description 2
- 239000001095 magnesium carbonate Substances 0.000 claims description 2
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 2
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims description 2
- 235000014380 magnesium carbonate Nutrition 0.000 claims description 2
- 239000000395 magnesium oxide Substances 0.000 claims description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 239000011733 molybdenum Substances 0.000 claims description 2
- 229910000476 molybdenum oxide Inorganic materials 0.000 claims description 2
- 239000003921 oil Substances 0.000 claims description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 2
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 claims description 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 2
- -1 platinum group metals Chemical class 0.000 claims description 2
- 235000012239 silicon dioxide Nutrition 0.000 claims description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 239000010937 tungsten Substances 0.000 claims description 2
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 description 14
- 230000005611 electricity Effects 0.000 description 7
- 238000010924 continuous production Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010310 metallurgical process Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
- F27D15/02—Cooling
-
- 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
- F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
- F27D15/02—Cooling
- F27D15/0206—Cooling with means to convey the charge
- F27D15/0266—Cooling with means to convey the charge on an endless belt
-
- 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
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/14—Charging or discharging liquid or molten material
-
- 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
- C21B2400/026—Methods of cooling or quenching molten slag using air, inert gases or removable conductive bodies
-
- 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
- C21B2400/06—Conveyors on which slag is cooled
Definitions
- the invention relates to a method and a device for utilizing the waste heat, for example for generating electrical energy, which is generated when slag is cooled.
- Slag is created in metallurgical processes, for example in the production of pig iron in a blast furnace or in steel production in an electric arc furnace or in an LD converter, but also in other processes, particularly metal processing, for example in foundries.
- the slag is a by-product of the process, which can be used, for example, as an additive or aggregate in other processes or products.
- the slag is usually created at the high temperatures of the process, for example in a blast furnace or steelworks. Due to the high process temperature, usually over 1,450 °C, in the processes that produce the slag, the thermal energy of the slag is often very high, usually in the range of 1.5 to 2 GJ per ton of slag.
- the slag is mainly dumped in open slag beds, where it is then cooled slowly using air and/or water cooling and without any use of heat or energy recovery.
- the cooled slag is usually broken, iron removed and usually sieved and/or classified.
- thermal energy is generated at a very high level, for example steelworks slag is usually molten and poured into the slag bed at temperatures of usually more than 1,300 °C, it would be possible to convert it into one high-quality form of energy, for example and in particular electricity generation, is desirable.
- the object of the invention is to use the waste heat in the production of slag.
- the device according to the invention is used to use the waste heat from slag.
- the source of the slag can be very different. It can be, for example, blast furnace slag, cupola furnace slag, steelworks slag, in particular converter slag, electric furnace slag, stainless steel slag or secondary metallurgical slag or metal works slag.
- the device has a first task area.
- the molten slag is fed into the first feed area, which can be arranged, for example, in a slag bed, at a temperature of, for example, more than 1,250 ° C.
- the first application area has a first contact surface, the first contact surface being designed for direct surface application of the liquid slag.
- the first contact surface is suitable for the liquid and flowable slag to be applied directly and to be in direct thermal contact.
- a first heat storage device is arranged below and in thermal contact with the first contact surface of the first task area.
- the heat storage device for example a metal structure containing a refractory material therein, has two functions. Firstly, the maximum temperature peak is reduced when new hot slag is applied. As a result, the underlying heat exchange fluid is not overheated at certain points and/or over time. The second effect is that the release of thermal energy is also stretched, even if only slightly, so that an initial temporal equalization effect is achieved. Under or in the first Heat storage device and a first heat exchange device through which a heat exchange fluid can flow is arranged in thermal contact with the first heat storage device.
- first heat exchange device in the first heat storage device would be pipes or lines arranged in, for example, fireproof masonry, through which a heat exchange fluid can flow.
- a further example would be a first heat exchange device present in the first heat storage device in the form of a bed, for example made of broken or pelletized slag, arranged pipes or lines through which a heat exchange fluid can flow.
- An example of a first heat exchange device below the first heat storage device would be, for example, a copper block with channels embedded therein for the flow of a heat exchange fluid.
- the first heat exchange device is fluidly connected to a first heat exchange fluid storage device. The initially cold heat exchange fluid flows into the heat exchange device, is heated there and from there heated into the heat exchange fluid storage device.
- the flow rate is preferably adapted to the initial temperature of the heat exchange fluid.
- the first heat exchange fluid storage device is connected to a first power generation device.
- the connection can be direct or indirect.
- a direct connection can be advantageous, for example, if the heat exchange fluid is water, which is thus heated to steam, for example at 500 °. This steam can then be fed directly to a corresponding turbine of the first power generating device.
- the heat exchange fluid is a molten salt
- an indirect connection may make sense, i.e.
- the molten salt generates steam in another heat exchanger, which is then applied to a turbine.
- the first heat exchange fluid storage device achieves uniformity and the discontinuous process of slag cooling can be efficiently combined with continuous electricity generation.
- a thermoelectric converter thermoelectric generator, thermocouple, Peltier element
- the efficiency of up to 17% is well below the efficiency that can be achieved with the Carnot process, but can be designed to be particularly robust and low-maintenance, especially as a component without moving parts.
- a protective layer in particular made of broken slag, is arranged on the first contact surface of the feed area of the device. This protects the device underneath.
- the broken slag serves as additional heat storage, which reduces the temperature peak when the liquid slag is fed.
- the use of cold, broken slag means that there is no contamination of the mineral slag product (e.g. aggregate after processing) with the broken slag from the protective layer.
- the crushed slag used is preferably the slag that has cooled and solidified in a previous run and is therefore chemically largely identical to the new liquid slag.
- the aggregate size of the crushed slag can be optimized, particularly with regard to the energy required for crushing.
- the first contact surface of the feed area is a steel trough.
- the first contact surface of the application area is detachably connected to the first heat storage device.
- the steel pan is removed after the slag has cooled in order to remove the slag. Another steel pan can then preferably be introduced so that the next slag can already be cooled down.
- the first contact surface of the feed area is a rotating steel strip.
- the steel belt preferably in the form of an endless conveyor belt, can either only be rotated when the slag has cooled or can be rotated continuously.
- the first heat storage device consists of a fireproof material.
- the refractory material has an oxide, in particular silicon dioxide, aluminum oxide, magnesium oxide, calcium oxide, zirconium oxide and chromium oxide, silicon carbide, molybdenum and/or tungsten and/or platinum group metals as a metal, alloy, oxide or carbide.
- the refractory material has at least one material which is selected from the group comprising fireclay, silica, magnesite, silicon carbide, bauxite, alundum, molybdenum oxide.
- the heat exchange fluid is selected from the group comprising air, helium, water, thermal oil, molten salt. Temperatures of 900 °C can easily be achieved with air or helium. This enables high efficiency when converting heat into electricity, but leaves a lot of heat unused.
- the device has a second task area.
- a second heat storage device is arranged below and in thermal contact with the second task area.
- a second heat exchange device through which a heat exchange fluid can flow is arranged beneath or in the second heat storage device and in thermal contact with the second heat storage device.
- the second heat exchange device is fluidly connected to the first heat exchange fluid storage device. Thanks to the parallel connection, the second feed area can be filled with new hot slag while the slag is still cooling in the first feed area.
- a third heat exchange device through which a further heat exchange fluid can flow is arranged under the first heat exchange device.
- the third heat exchange device is fluidly connected to a third heat exchange fluid storage device.
- the third heat exchange fluid storage device can be connected directly or indirectly to the first Power generation device or connected to a second power generation device.
- the first heat exchange fluid storage device is connected to a first power generation device.
- the connection can be direct or indirect.
- a direct connection can be advantageous, for example, if the heat exchange fluid is water, which is thus heated to steam, for example at 500 °. This steam can then be fed directly to a corresponding turbine of the first power generating device.
- the heat exchange fluid is a molten salt
- an indirect connection may make sense, i.e. in particular the molten salt generates steam in another heat exchanger, which is then applied to a turbine.
- the first heat exchange fluid storage device achieves uniformity and the discontinuous process of slag cooling can be efficiently combined with continuous electricity generation.
- the first power generation device is fluidly connected to the first heat exchange device via a second heat exchange fluid storage device for storing the cold heat exchange fluid.
- a second heat exchange fluid storage device for storing the cold heat exchange fluid.
- the heat exchange fluid originating from the continuous process of the power generation device is again provided in the second heat exchange fluid storage device for the discontinuous process of slag cooling.
- other task areas connected in parallel are also possible.
- the first heat exchange fluid storage device is connected to a heat utilization device, in particular a district heating network.
- a first example is shown.
- the first device of the first example has a steel trough 20 as the first contact surface.
- a layer of broken slag 12 is arranged in the steel tub 20.
- the liquid slag 10 is poured into the steel tub 20 from a slag bucket 14.
- the heat of the slag 10, which is applied, for example, at 1,300 ° C, is transferred through the steel pan 20 to the first heat storage device 30. This results in an equalization through the heating of the first heat storage device 30, so that the temperature peak of, for example, 1,300 ° C arrives at the first heat exchange device 40, but only 750 ° C, for example. At the same time, the higher temperature level is maintained longer.
- the heat exchange fluid is transferred from the first heat exchange device 40 into a first heat exchange fluid storage device 50.
- the heat exchange fluid is transferred from the first heat exchange fluid storage device 50 into a power generation device 60 and from the power generation device 60 into a second heat exchange fluid storage device 70, so that the cold heat exchange fluid can also be buffered.
- the heat exchange fluid is then guided back into the heat exchange device 40 and thus in a circle.
- the heat exchange device 40 is designed as a tube bundle heat exchanger.
- two, preferably four, particularly preferably even more devices according to the invention are constructed next to one another and parallel to one another. Since the steel tubs 20 are filled in batch operation and then cool slowly and the cooling process usually takes longer than the production of the amount of slag, the parallel connection and common use of the first heat exchange fluid storage device 50 can achieve an equalization of the temperature of the heat exchange fluid. This also equalizes the power supply to the power generating device 60.
- Fig. 2 shows a second example, which differs from that in Fig. 1
- the first example shown differs in that the first contact surface is designed as a steel strip 22. This transports the slag 10 from the feed location via the first heat storage device 30 and thus releases the heat through the first heat storage device 30 to the heat exchange fluid in the first heat exchange device 40.
- the other components are the same.
- the steel tub 20 has to be removed and emptied cyclically, this is done on the steel strip 22 of the second example at the end of the steel strip 22.
- the second example is therefore particularly suitable for a quasi-continuous provision of slag 10.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE20225371A BE1030525B1 (de) | 2022-05-16 | 2022-05-16 | Abwärmenutzung bei der Abkühlung von Schlacken aus der Eisen- und Stahlherstellung |
| DE102022204808.3A DE102022204808A1 (de) | 2022-05-16 | 2022-05-16 | Abwärmenutzung bei der Abkühlung von Schlacken aus der Eisen- und Stahlherstellung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4279614A1 true EP4279614A1 (fr) | 2023-11-22 |
Family
ID=86331170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23172504.5A Pending EP4279614A1 (fr) | 2022-05-16 | 2023-05-10 | Récupération de chaleur perdue lors du refroidissement de scories provenant de la fabrication de fer et d'acier |
Country Status (1)
| Country | Link |
|---|---|
| EP (1) | EP4279614A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4663616A1 (fr) | 2024-06-13 | 2025-12-17 | ThyssenKrupp MillServices & Systems GmbH | Procédé de production de scories comme collecteur de dioxyde de carbone |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4522377A (en) * | 1983-09-19 | 1985-06-11 | The Budd Company | Method and apparatus for processing slag |
| EP1083236A1 (fr) * | 1999-09-09 | 2001-03-14 | Anton Dipl.-Ing. Hulek | Procédé et installation pour le refroidissement à sec de scories métallurgiques avec récupération de chaleur |
| DE102012010808A1 (de) * | 2012-06-01 | 2013-12-05 | Kme Germany Gmbh & Co. Kg | Anordnung zum kleinstückigen Erstarren von bei der Metallerzeugung anfallenden flüssigen Schlacken |
| CN203534229U (zh) * | 2013-11-05 | 2014-04-09 | 南京凯盛开能环保能源有限公司 | 一种熔融炉渣急冷粒化及余热回收发电系统 |
| CN108624729A (zh) * | 2018-07-17 | 2018-10-09 | 中能立化科技有限公司 | 一种布风装置及熔渣粒化换热系统 |
| CA2988472A1 (fr) * | 2017-12-11 | 2019-06-11 | Ghulam Nabi | Acierie a procede continu |
-
2023
- 2023-05-10 EP EP23172504.5A patent/EP4279614A1/fr active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4522377A (en) * | 1983-09-19 | 1985-06-11 | The Budd Company | Method and apparatus for processing slag |
| EP1083236A1 (fr) * | 1999-09-09 | 2001-03-14 | Anton Dipl.-Ing. Hulek | Procédé et installation pour le refroidissement à sec de scories métallurgiques avec récupération de chaleur |
| DE102012010808A1 (de) * | 2012-06-01 | 2013-12-05 | Kme Germany Gmbh & Co. Kg | Anordnung zum kleinstückigen Erstarren von bei der Metallerzeugung anfallenden flüssigen Schlacken |
| CN203534229U (zh) * | 2013-11-05 | 2014-04-09 | 南京凯盛开能环保能源有限公司 | 一种熔融炉渣急冷粒化及余热回收发电系统 |
| CA2988472A1 (fr) * | 2017-12-11 | 2019-06-11 | Ghulam Nabi | Acierie a procede continu |
| CN108624729A (zh) * | 2018-07-17 | 2018-10-09 | 中能立化科技有限公司 | 一种布风装置及熔渣粒化换热系统 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4663616A1 (fr) | 2024-06-13 | 2025-12-17 | ThyssenKrupp MillServices & Systems GmbH | Procédé de production de scories comme collecteur de dioxyde de carbone |
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