CN214400601U - Directly-cast ore smelting reduction headless metallurgical furnace - Google Patents
Directly-cast ore smelting reduction headless metallurgical furnace Download PDFInfo
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- CN214400601U CN214400601U CN202022671430.XU CN202022671430U CN214400601U CN 214400601 U CN214400601 U CN 214400601U CN 202022671430 U CN202022671430 U CN 202022671430U CN 214400601 U CN214400601 U CN 214400601U
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- 238000003723 Smelting Methods 0.000 title claims abstract description 80
- 230000009467 reduction Effects 0.000 title claims abstract description 68
- 238000010248 power generation Methods 0.000 claims abstract description 20
- 238000002844 melting Methods 0.000 claims abstract description 19
- 230000008018 melting Effects 0.000 claims abstract description 19
- 238000010791 quenching Methods 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims abstract description 7
- 239000002893 slag Substances 0.000 claims description 42
- 238000005266 casting Methods 0.000 claims description 19
- 238000011084 recovery Methods 0.000 claims description 12
- 239000003034 coal gas Substances 0.000 claims description 9
- 238000009749 continuous casting Methods 0.000 claims description 9
- 230000000171 quenching effect Effects 0.000 claims description 9
- 239000000428 dust Substances 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 46
- 229910000831 Steel Inorganic materials 0.000 abstract description 35
- 239000010959 steel Substances 0.000 abstract description 35
- 229910052742 iron Inorganic materials 0.000 abstract description 23
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 239000011819 refractory material Substances 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 5
- 230000010354 integration Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 17
- 230000008569 process Effects 0.000 description 14
- 238000007670 refining Methods 0.000 description 7
- 238000000926 separation method Methods 0.000 description 7
- 238000009628 steelmaking Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000004939 coking Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000005453 pelletization Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 238000010079 rubber tapping Methods 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- 241001232253 Xanthisma spinulosum Species 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000009851 ferrous metallurgy Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
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- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The utility model discloses a directly cast's ore melting reduction headless metallurgical stove, including ore melting reduction headless metallurgical stove, ore melting reduction headless metallurgical stove is inside to be provided with the smelting device, ore melting reduction headless metallurgical stove top is provided with the bell device, ore melting reduction headless metallurgical stove one side is provided with the accessory facility, ore melting reduction headless metallurgical stove bottom is provided with the pouring ladle, the pouring ladle outside is provided with the conticaster, the bottom of ore melting reduction headless metallurgical stove inner wall is provided with the premelting molten metal bath, the dry slag-quenching power generation facility is installed to accessory facility one side. The ore smelting reduction headless metallurgical furnace realizes the integration of iron and steel by arranging the open furnace shell, reduces the construction investment and saves land resources; the furnace cover is opened and closed immediately, so that the conversion of different metallurgical functions in different smelting stages is realized, the large-furnace-volume smelting is adopted, the production efficiency is improved, and the consumption of refractory materials is reduced.
Description
Technical Field
The utility model relates to the technical field of metallurgy of iron and steel, casting, nonferrous metal, in particular to a directly-cast ore melting reduction headless metallurgical furnace.
Background
At present, in the metallurgical field such as ferrous smelting industry of ferrous metallurgy, a traditional blast furnace is a fixed type and closed type furnace body, the molten iron smelting and molten iron pretreatment functions of ore melting reduction and further molten steel smelting, molten steel refining, headless casting and slag splashing furnace protection functions cannot be realized, and the investment and the cost are high. Because the traditional molten iron smelting process and the molten steel smelting process are separated, and the molten steel smelting process and the molten steel refining process are separated, the temperature loss, the energy dissipation and the logistics transportation cost in the flowing process of high-temperature liquid metal and high-temperature slag are increased. Because the traditional iron-making blast furnace, steel-making converter, electric arc furnace and electric converter are fixed furnace bodies, the direct butt joint with a continuous casting machine cannot be realized.
In the prior art, for example, the traditional blast furnace ironmaking equipment has long process, large emission, large investment and high cost; the ladle that uses in the current flow mostly uses portable vehicle as the transport means, and the volume is less. In the existing 'one ladle to the bottom' technology, blast furnace molten iron is subjected to temperature loss of multiple transportation of a foundry ladle to a desulfurization station and a dephosphorization furnace; in the prior molten steel refining technology, the temperature loss caused by multiple times of transportation from a steelmaking converter to a refining furnace and a continuous (casting) casting machine is experienced; in the existing converter smelting technology, a low-cost production mode with large scrap steel amount and low iron consumption is difficult to realize; in the existing high-temperature hot slag treatment technology, an energy dissipation mode of water quenching and hot braising is generally adopted.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's weak point, provide a direct casting's ore melting reduction does not have first metallurgical stove, make it can realize the compact flow of integration with smelting the continuous casting flow and handle, increase the throughput, reduce the emission, reduce the construction investment, reduction in production cost is showing and is improving product quality.
In order to achieve the above object, the utility model provides a following technical scheme: the directly-cast ore smelting reduction headless metallurgical furnace comprises an ore smelting reduction headless metallurgical furnace, wherein a smelting device is arranged inside the ore smelting reduction headless metallurgical furnace, a furnace cover device is arranged at the top of the ore smelting reduction headless metallurgical furnace, an accessory facility is arranged on one side of the ore smelting reduction headless metallurgical furnace, a casting ladle is arranged at the bottom of the ore smelting reduction headless metallurgical furnace, a continuous casting machine is arranged outside the casting ladle, a premelted molten metal bath is arranged at the bottom of the inner wall of the ore smelting reduction headless metallurgical furnace, and a dry quenching slag power generation device is installed on one side of the accessory facility.
As the preferred technical proposal of the utility model, the smelting device is positioned inside the ore smelting reduction headless metallurgical furnace.
As the preferred technical proposal of the utility model, the auxiliary facilities comprise a dust removal device, a coal gas recovery power generation device and a steam recovery power generation device.
As the utility model discloses a preferred technical scheme, ore smelting reduction headless metallurgical stove top sets up ore pre-reduction feeding device, carbon reduction device, hydrogen reduction device.
As the preferred technical scheme of the utility model, the bell device adopts and opens the bell that closes promptly.
As the preferred technical scheme of the utility model, the bottom of the ore smelting reduction headless metallurgical furnace is provided with a slag-free casting device.
As the utility model discloses an optimal technical scheme, ore melting reduction headless metallurgy stokehold platform sets up special dross removal mechanism.
Compared with the prior art, the utility model provides a directly cast ore melting reduction does not have first metallurgical stove possesses following beneficial effect:
1. the utility model adopts the open furnace shell, can realize the compact flow of iron-steel integration of iron making, steel making and refining, does not need to be provided with an independent iron making process, obviously reduces the construction investment and saves the land resources; the furnace cover device which can be opened and closed immediately is adopted, so that the conversion of different metallurgical functions in different smelting stages can be realized, and the production efficiency can be improved and the consumption of refractory materials can be reduced by adopting large-furnace-volume smelting;
2. ore smelting reduction is adopted, coking, sintering, pelletizing and blast furnace processes are omitted, and ultralow-emission and ultralow-cost smelting is realized; scrap steel is adopted for preheating, so that smelting with large scrap steel ratio and low iron consumption is realized; the deslagging device is adopted to realize iron slag separation and steel slag separation at different stages in the smelting process; the dry quenching slag is adopted for power generation, so that the energy utilization maximization of the high-temperature iron slag and the steel slag is realized; the metallurgical slag is sorted and recycled, so that the recycling of the metallurgical slag can be realized; the method of one-furnace multi-ladle tapping is adopted, so that the ladle cost can be saved, and the coal gas recovery device and the steam recovery device are adopted to realize coal gas power generation and steam power generation. The direct casting of the steel ladle is replaced by the metallurgical furnace, so that the continuous casting production of the high-quality steel is realized by omitting the converter smelting furnace and the steel ladle turnover cost and eliminating the temperature difference, the composition difference and the time difference.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the top view structure of the present invention.
In the figure: 1. an ore smelting reduction headless metallurgical furnace; 2. a smelting device; 3. a furnace cover device; 4. an ancillary facility; 5. casting a ladle; 6. a continuous casting machine; 7. pre-melting a molten metal bath; 8. and a dry quenching slag power generation device.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, in this embodiment: the directly-cast ore smelting reduction headless metallurgical furnace comprises an ore smelting reduction headless metallurgical furnace 1, wherein a smelting device 2 is arranged inside the ore smelting reduction headless metallurgical furnace 1, a furnace cover device 3 is arranged at the top of the ore smelting reduction headless metallurgical furnace 1, an accessory facility 4 is arranged on one side of the ore smelting reduction headless metallurgical furnace 1, a casting ladle 5 is arranged at the bottom of the ore smelting reduction headless metallurgical furnace 1, a continuous casting machine 6 is arranged outside the casting ladle 5, a premelted molten metal bath 7 is arranged at the bottom of the inner wall of the ore smelting reduction headless metallurgical furnace 1, and a dry quenching slag power generation device 8 is arranged on one side of the accessory facility 4. The utility model adopts the open furnace shell, can realize the compact flow of iron-steel integration of iron making, steel making and refining, does not need to be provided with an independent iron plant, obviously reduces the construction investment and saves the land resources; the furnace cover device 3 which can be opened and closed immediately is adopted, so that the conversion of different metallurgical functions in different smelting stages can be realized, and the production efficiency can be improved and the consumption of refractory materials can be reduced by adopting large-furnace-volume smelting; ore smelting reduction is adopted, coking, sintering, pelletizing and blast furnace processes are omitted, and ultralow-emission and ultralow-cost smelting is realized; scrap steel is adopted for preheating, so that smelting with large scrap steel ratio and low iron consumption is realized; the deslagging device is adopted to realize iron slag separation and steel slag separation at different stages in the smelting process; the dry quenching slag is adopted for generating electricity 8, so that the energy utilization maximization of the high-temperature iron slag and the steel slag is realized; the metallurgical slag is sorted and recycled, so that the recycling of the metallurgical slag can be realized; the method of one-furnace multi-ladle tapping is adopted, so that the ladle cost can be saved, and the coal gas recovery device and the steam recovery device are adopted to realize coal gas power generation and steam power generation. The direct casting of the steel ladle is replaced by the metallurgical furnace, so that the continuous casting production of the high-quality steel is realized by omitting the converter smelting furnace and the steel ladle turnover cost and eliminating the temperature difference, the composition difference and the time difference.
In the embodiment, the smelting device 2 is positioned inside the ore smelting reduction headless metallurgical furnace 1, so that smelting action is realized; the auxiliary facilities 4 comprise a dust removal device, a coal gas recovery power generation device and a steam recovery power generation device, so that a dust removal and power generation foundation is provided for the device; an ore pre-reduction feeding device, a carbon reduction device and a hydrogen reduction device are arranged above the ore smelting reduction headless metallurgical furnace 1, so that the molten iron smelting function of ore smelting reduction is realized; the furnace cover device 3 adopts the mode of opening and closing the furnace cover immediately, so that the conversion of different metallurgical functions in different smelting stages is realized; the bottom of the ore smelting reduction headless metallurgical furnace 1 is provided with a slag-free casting device, so that the slag-free casting function of molten metal such as molten steel is realized; a special slag removing device is arranged on a front platform of the ore smelting reduction headless metallurgical furnace 1, and the slag removing (iron, steel-slag separation) function of staged smelting is realized.
The utility model discloses a theory of operation and use flow: the utility model adopts the open furnace shell, can realize the compact flow of iron-steel integration of iron making, steel making and refining, does not need to be provided with an independent iron plant, obviously reduces the construction investment and saves the land resources; the furnace cover device 3 which can be opened and closed immediately is adopted, so that the conversion of different metallurgical functions in different smelting stages can be realized, and the production efficiency can be improved and the consumption of refractory materials can be reduced by adopting large-furnace-volume smelting; ore smelting reduction is adopted, coking, sintering, pelletizing and blast furnace processes are omitted, and ultralow-emission and ultralow-cost smelting is realized; scrap steel is adopted for preheating, so that smelting with large scrap steel ratio and low iron consumption is realized; the deslagging device is adopted to realize iron slag separation and steel slag separation at different stages in the smelting process; the dry quenching slag is adopted for generating electricity 8, so that the energy utilization maximization of the high-temperature iron slag and the steel slag is realized; the metallurgical slag is sorted and recycled, so that the recycling of the metallurgical slag can be realized; the method of one-furnace multi-ladle tapping is adopted, so that the ladle cost can be saved, and the coal gas recovery device and the steam recovery device are adopted to realize coal gas power generation and steam power generation. The direct casting of the steel ladle is replaced by the metallurgical furnace, so that the continuous casting production of the high-quality steel is realized by omitting the converter smelting furnace and the steel ladle turnover cost and eliminating the temperature difference, the composition difference and the time difference. The open-and-close furnace cover of the utility model is an independent device and a refractory material combining device, is not structurally related to the dust removing device, and is mutually related in operation relation; the controllable high-temperature liquid switch mechanism installed on the furnace body requires high safety and adopts special refractory materials. The special slag removing device of the utility model is key equipment, an upper slag hole and a lower slag hole, such as an iron slag hole and a steel slag hole, are arranged according to the process requirements, and a slag runner or a slag runner can be adopted to flow high-temperature liquid slag into the special slag pot; the dry quenching slag power generation device is an independent equipment structure and is used for recovering the physical sensible heat of the high-temperature liquid slag to generate power.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A direct-cast ore smelting reduction headless metallurgical furnace, characterized by: the device comprises an ore melting reduction headless metallurgical furnace (1), wherein a smelting device (2) is arranged inside the ore melting reduction headless metallurgical furnace (1), a furnace cover device (3) is arranged at the top of the ore melting reduction headless metallurgical furnace (1), an accessory facility (4) is arranged on one side of the ore melting reduction headless metallurgical furnace (1), a casting ladle (5) is arranged at the bottom of the ore melting reduction headless metallurgical furnace (1), a continuous casting machine (6) is arranged outside the casting ladle (5), a premelted molten metal bath (7) is arranged at the bottom of the inner wall of the ore melting reduction headless metallurgical furnace (1), and a dry quenching slag power generation device (8) is arranged on one side of the accessory facility (4).
2. A direct-cast ore smelting reduction headless metallurgical furnace according to claim 1, wherein: the smelting device (2) is positioned inside the ore smelting reduction headless metallurgical furnace (1).
3. A direct-cast ore smelting reduction headless metallurgical furnace according to claim 1, wherein: the auxiliary facilities (4) comprise a dust removal device, a coal gas recovery power generation device and a steam recovery power generation device.
4. A direct-cast ore smelting reduction headless metallurgical furnace according to claim 1, wherein: an ore pre-reduction feeding device, a carbon reduction device and a hydrogen reduction device are arranged above the ore smelting reduction headless metallurgical furnace (1).
5. A direct-cast ore smelting reduction headless metallurgical furnace according to claim 1, wherein: the furnace cover device (3) adopts an open-and-close furnace cover.
6. A direct-cast ore smelting reduction headless metallurgical furnace according to claim 1, wherein: the bottom of the ore smelting reduction headless metallurgical furnace (1) is provided with a slag-free casting device.
7. A direct-cast ore smelting reduction headless metallurgical furnace according to claim 1, wherein: a special deslagging device is arranged on a front platform of the ore smelting reduction headless metallurgical furnace (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022671430.XU CN214400601U (en) | 2020-11-18 | 2020-11-18 | Directly-cast ore smelting reduction headless metallurgical furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022671430.XU CN214400601U (en) | 2020-11-18 | 2020-11-18 | Directly-cast ore smelting reduction headless metallurgical furnace |
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| CN214400601U true CN214400601U (en) | 2021-10-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112501375A (en) * | 2020-11-18 | 2021-03-16 | 李殿明 | Directly-cast ore smelting reduction headless metallurgical furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112501375A (en) * | 2020-11-18 | 2021-03-16 | 李殿明 | Directly-cast ore smelting reduction headless metallurgical furnace |
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Effective date of registration: 20231220 Address after: Room 818, Building F, Haiyue Tiandi, No. 66 Yuhua West Road, Qiaoxi District, Shijiazhuang City, Hebei Province, 050000 Patentee after: Hebei Zunya Metallurgical Technology Co.,Ltd. Address before: 056304 Zhirong iron and steel company, Guzhen village, Yetao Town, Wu'an city, Handan City, Hebei Province Patentee before: Li Dianming |