CN113587658A - Submerged arc furnace - Google Patents
Submerged arc furnace Download PDFInfo
- Publication number
- CN113587658A CN113587658A CN202110878958.0A CN202110878958A CN113587658A CN 113587658 A CN113587658 A CN 113587658A CN 202110878958 A CN202110878958 A CN 202110878958A CN 113587658 A CN113587658 A CN 113587658A
- Authority
- CN
- China
- Prior art keywords
- smoke
- submerged arc
- smoke hood
- furnace
- arc furnace
- 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
- 239000000779 smoke Substances 0.000 claims abstract description 45
- 238000002347 injection Methods 0.000 claims abstract description 40
- 239000007924 injection Substances 0.000 claims abstract description 40
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 3
- 230000001737 promoting effect Effects 0.000 claims abstract description 3
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000005997 Calcium carbide Substances 0.000 description 1
- 229910001021 Ferroalloy Inorganic materials 0.000 description 1
- 229910000604 Ferrochrome Inorganic materials 0.000 description 1
- 229910000616 Ferromanganese Inorganic materials 0.000 description 1
- 229910000519 Ferrosilicon Inorganic materials 0.000 description 1
- 229910001145 Ferrotungsten Inorganic materials 0.000 description 1
- 229910000720 Silicomanganese Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 239000013064 chemical raw material Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/02—Supplying steam, vapour, gases, or liquids
-
- 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
- F27D17/001—Extraction of waste gases, collection of fumes and hoods used therefor
-
- 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
- F27D19/00—Arrangements of controlling devices
-
- 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
- F27D9/00—Cooling of furnaces or of charges therein
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention relates to a submerged arc furnace, which comprises: the furnace comprises a furnace shell (1) and a smoke hood (2) arranged on the furnace shell (1), wherein a feeding system (4) is arranged on the smoke hood (2), an air injection system (5) is further arranged on the smoke hood (2), the air injection system (5) is connected into the feeding system (4), a smoke gas leading-out system (3) is further arranged on the smoke hood (2), and three electrodes (6) are arranged at the center of the smoke hood (2); the smoke hood (2) is in a regular hexagon shape, exhaust ports (21) are arranged on three non-adjacent sides, and the smoke guiding systems (3) are connected to the exhaust ports (21); the other three edges both ends all are provided with curb plate (23) on petticoat pipe (2), and are used for promoting the hoisting device of the sliding cigarette cover door (22) that set up between curb plate (23). The submerged arc furnace disclosed by the invention is convenient to feed and can realize better uncovering.
Description
Technical Field
The invention relates to the technical field of metallurgy, in particular to a submerged arc furnace.
Background
The submerged arc furnace is also called electric arc furnace or resistance furnace. It is mainly used for reducing and smelting raw materials such as ore, carbonaceous reducing agent and solvent. The method is mainly used for producing ferrosilicon, ferromanganese, ferrochromium, ferrotungsten, silicomanganese and other ferroalloys, and is an important industrial raw material in the metallurgical industry and a chemical raw material such as calcium carbide and the like. But current hot stove in ore deposit, structural design is complicated, and it is inconvenient to feed in raw material, and reinforced volume is huge, and artifical reinforced needs that can not satisfy production have, and the current hot stove bell in ore deposit of on the other hand is opened the difficulty.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide the submerged arc furnace which is convenient for feeding and uncovering.
The technical scheme of the invention is as follows:
a submerged arc furnace, comprising:
the furnace comprises a furnace shell (1) and a smoke hood (2) arranged on the furnace shell (1), wherein a feeding system (4) is arranged on the smoke hood (2), an air injection system (5) is further arranged on the smoke hood (2), the air injection system (5) is connected into the feeding system (4), a smoke gas leading-out system (3) is further arranged on the smoke hood (2), and three electrodes (6) are arranged at the center of the smoke hood (2);
the smoke hood (2) is in a regular hexagon shape, exhaust ports (21) are arranged on three non-adjacent sides, and the smoke guiding systems (3) are connected to the exhaust ports (21); the other three edges both ends all are provided with curb plate (23) on petticoat pipe (2), and are used for promoting the hoisting device of the sliding cigarette cover door (22) that set up between curb plate (23).
Further, the lifting device comprises a first connecting rope (24) and a second connecting rope (25) which are connected with two ends of the upper part of the side plate (23), wherein the upper part of the first connecting rope (24) is connected to the driving end of the oil cylinder (29) by winding around a second pulley (27) and a third pulley (28), and the upper part of the second connecting rope (25) is connected to the driving end of the oil cylinder (29) by winding around a first pulley (26)
Further, the feeding system (4) comprises a plurality of feeding mechanisms distributed in a triangular shape, each feeding mechanism comprises an upper feeding port and a feeding pipe, and the lower portion of each feeding pipe is connected to the smoke hood (2).
Further, the air injection system (5) surrounds and wraps the charging system (4), the air injection system (5) comprises an air injection pipe (51), the air injection pipe (51) is connected with an external high-pressure air delivery pipe through an air injection connecting pipe (52), a plurality of branch pipes (53) perpendicular to the air injection pipe are arranged at the lower part of the air injection pipe (51), and an air injection head (54) connected to the interior of the charging system (4) is arranged on each branch pipe (53).
Furthermore, a plurality of discharge holes (11) are also formed in the outer side of the furnace shell (1).
Further, the discharge hole (11) can be closed.
Furthermore, the other end of the smoke guide-out system (3) is provided with an air draft system.
Furthermore, the outer side of the furnace shell (1) is also provided with an annular rail (7), a trolley (8) is arranged on the rail (7), and a ladle (9) used for receiving ore liquid flowing out of the discharge hole (11) is arranged on the trolley (8).
By the scheme, the invention at least has the following advantages:
(1) the feeding system of the device is connected with the high-pressure air injection system, so that the high-pressure air can be used for better conveying materials, and oxygen can be conveyed into the furnace to accelerate the refining process;
(2) the furnace cover is connected with a flue gas guiding system to realize pollution discharge and can also realize a better lifting function.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the attachment of the charging system and the air injection system of the present invention;
FIG. 3 is a schematic view of the feed system configuration of the present invention;
FIG. 4 is a schematic view of the air injection system of the present invention:
FIG. 5 is a schematic structural view of the smoke cage of the present invention;
FIG. 6 is a schematic view of the structure of the furnace shell of the present invention;
1-furnace shell; 11-a discharge hole;
2-a smoke hood; 21-an exhaust port; 22-a smoke hood door; 23-side plate; 24-a first connecting cord; 25-a second connecting rope; 26-a first pulley; 27-a second pulley; 28-a third pulley; 29-oil cylinder;
3-a flue gas export system;
4-a charging system;
5-an air injection system; 51-a gas injection tube; 52-gas injection connecting tube; 53-branch pipe; 54-an air injection head;
6-an electrode; 7-orbit; 8-trolley; 9-ladle.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Referring to fig. 1 to 6, a submerged arc furnace according to a preferred embodiment of the present invention includes:
the furnace comprises a furnace shell 1 and a smoke hood 2 arranged on the furnace shell 1, wherein a feeding system 4 is arranged on the smoke hood 2, an air injection system 5 is also arranged on the smoke hood 2, the air injection system 5 is connected into the feeding system 4, a smoke gas leading-out system 3 is also arranged on the smoke hood 2, and three electrodes 6 are arranged at the center of the smoke hood 2;
the smoke hood 2 is in a regular hexagon shape, exhaust ports 21 are arranged on three non-adjacent sides, and the smoke guiding system 3 is connected to the exhaust ports 21; two ends of the other three edges of the smoke hood 2 are provided with side plates 23 and lifting devices for lifting a smoke hood door 22 arranged between the side plates 23 in a sliding mode.
The lifting device comprises a first connecting rope 24 and a second connecting rope 25 connecting both ends of the upper part of the side plate 23, the upper part of the first connecting rope 24 being connected to the driving end of the cylinder 29 around a second pulley 27 and around a third pulley 28, and the upper part of the second connecting rope 25 being connected to the driving end of the cylinder 29 around a first pulley 26
The charging system 4 comprises a plurality of charging mechanisms distributed triangularly, comprising an upper charging mouth and a lower charging duct connected to the hood 2.
Further, the air injection system 5 surrounds the charging system 4, the air injection system 5 includes an air injection pipe 51, the air injection pipe 51 is connected to an external high-pressure air pipe through an air injection connecting pipe 52, a plurality of branch pipes 53 perpendicular to the air injection pipe 51 are arranged at the lower part of the air injection pipe 51, and an air injection head 54 connected to the interior of the charging system 4 is arranged on the branch pipes 53.
A plurality of discharge openings 11 are also provided outside the furnace shell 1.
The outlet 11 can be closed.
The other end of the smoke deriving system 3 is provided with an air draft system.
The furnace shell 1 is also provided on the outside with an annular rail 7, the rail 7 is provided with a trolley 8, and the trolley 8 is provided with a ladle 9 for receiving the ore liquid flowing out of a discharge port 11.
The device is also provided with a cooling mechanism which is connected with the smoke hood and the electrode and used for cooling the smoke hood and the electrode.
The invention has at least the following advantages:
(1) the feeding system of the device is connected with the high-pressure air injection system, so that the high-pressure air can be used for better conveying materials, and oxygen can be conveyed into the furnace to accelerate the refining process;
(2) the furnace cover is connected with a flue gas guiding system to realize pollution discharge and can also realize a better lifting function.
The working principle of the invention is as follows:
mineral aggregate enters the furnace shell through the feeding system, the air injection system injects high-pressure air, the smoke hood is fixed on the furnace shell, and the control electrode starts to work. Meanwhile, the cooling water system starts to work, and the air exhaust system starts to work.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A submerged arc furnace, comprising:
the furnace comprises a furnace shell (1) and a smoke hood (2) arranged on the furnace shell (1), wherein a feeding system (4) is arranged on the smoke hood (2), an air injection system (5) is further arranged on the smoke hood (2), the air injection system (5) is connected into the feeding system (4), a smoke gas leading-out system (3) is further arranged on the smoke hood (2), and three electrodes (6) are arranged at the center of the smoke hood (2);
the smoke hood (2) is in a regular hexagon shape, exhaust ports (21) are arranged on three non-adjacent sides, and the smoke guiding systems (3) are connected to the exhaust ports (21); the other three edges both ends all are provided with curb plate (23) on petticoat pipe (2), and are used for promoting the hoisting device of the sliding cigarette cover door (22) that set up between curb plate (23).
2. The submerged arc furnace of claim 1, characterized in that: the lifting device comprises a first connecting rope (24) and a second connecting rope (25) which are connected with two ends of the upper portion of the side plate (23), wherein the upper portion of the first connecting rope (24) is connected to the driving end of an oil cylinder (29) by winding around a second pulley (27) and by winding around a third pulley (28), and the upper portion of the second connecting rope (25) is connected to the driving end of the oil cylinder (29) by winding around a first pulley (26).
3. The submerged arc furnace of claim 1, characterized in that: the feeding system (4) comprises a plurality of feeding mechanisms which are distributed in a triangular mode, each feeding mechanism comprises an upper feeding opening and a lower feeding pipe connected to the smoke hood (2).
4. The submerged arc furnace of claim 3, characterized in that: air injection system (5) encircle the parcel charging system (4), air injection system (5) include gas injection pipe (51), outside high pressure gas-supply pipe is connected through gas injection connecting pipe (52) in gas injection pipe (51), gas injection pipe (51) lower part is provided with many rather than perpendicular branch pipe (53), be provided with on branch pipe (53) and be connected to gas injection head (54) in charging system (4).
5. The submerged arc furnace of claim 4, characterized in that: the outer side of the furnace shell (1) is also provided with a plurality of discharge holes (11).
6. The submerged arc furnace of claim 5, characterized in that: the discharge opening (11) can be closed.
7. The submerged arc furnace of claim 1, characterized in that: and the other end of the smoke guide-out system (3) is provided with an air draft system.
8. The submerged arc furnace of claim 6, characterized in that: the furnace shell is characterized in that an annular rail (7) is further arranged on the outer side of the furnace shell (1), a trolley (8) is arranged on the rail (7), and a ladle (9) used for receiving ore liquid flowing out of the discharge hole (11) is arranged on the trolley (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110878958.0A CN113587658A (en) | 2021-08-02 | 2021-08-02 | Submerged arc furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110878958.0A CN113587658A (en) | 2021-08-02 | 2021-08-02 | Submerged arc furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113587658A true CN113587658A (en) | 2021-11-02 |
Family
ID=78253705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110878958.0A Pending CN113587658A (en) | 2021-08-02 | 2021-08-02 | Submerged arc furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113587658A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203758291U (en) * | 2014-03-18 | 2014-08-06 | 大连华锐重工集团股份有限公司 | Rectangular smoke hood suitable for multi-loop direct current submerged arc furnace |
| CN204987901U (en) * | 2015-08-18 | 2016-01-20 | 中钢集团吉林机电设备有限公司 | Short petticoat pipe of hot stove in ore deposit |
| CN109099716A (en) * | 2018-09-03 | 2018-12-28 | 中国重型机械研究院股份公司 | A kind of Water-cooling furnace cover of ladle refining furnace and its application method |
| CN209027300U (en) * | 2018-11-09 | 2019-06-25 | 中冶东方工程技术有限公司 | A kind of overhead rotary kiln type mineral hot furnace hot charging feeding system |
| CN110081704A (en) * | 2019-06-13 | 2019-08-02 | 大连重工机电设备成套有限公司 | Semi-hermetic is without fixed anode DC-ore-heating furnace |
| CN111964432A (en) * | 2020-08-11 | 2020-11-20 | 中卫市茂烨冶金有限责任公司 | Heat-resistant smoke-isolating multifunctional electric arc furnace door |
| CN111981860A (en) * | 2020-08-11 | 2020-11-24 | 中卫市茂烨冶金有限责任公司 | Submerged arc furnace capable of realizing smoke sealing and recycling |
-
2021
- 2021-08-02 CN CN202110878958.0A patent/CN113587658A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203758291U (en) * | 2014-03-18 | 2014-08-06 | 大连华锐重工集团股份有限公司 | Rectangular smoke hood suitable for multi-loop direct current submerged arc furnace |
| CN204987901U (en) * | 2015-08-18 | 2016-01-20 | 中钢集团吉林机电设备有限公司 | Short petticoat pipe of hot stove in ore deposit |
| CN109099716A (en) * | 2018-09-03 | 2018-12-28 | 中国重型机械研究院股份公司 | A kind of Water-cooling furnace cover of ladle refining furnace and its application method |
| CN209027300U (en) * | 2018-11-09 | 2019-06-25 | 中冶东方工程技术有限公司 | A kind of overhead rotary kiln type mineral hot furnace hot charging feeding system |
| CN110081704A (en) * | 2019-06-13 | 2019-08-02 | 大连重工机电设备成套有限公司 | Semi-hermetic is without fixed anode DC-ore-heating furnace |
| CN111964432A (en) * | 2020-08-11 | 2020-11-20 | 中卫市茂烨冶金有限责任公司 | Heat-resistant smoke-isolating multifunctional electric arc furnace door |
| CN111981860A (en) * | 2020-08-11 | 2020-11-24 | 中卫市茂烨冶金有限责任公司 | Submerged arc furnace capable of realizing smoke sealing and recycling |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20211102 |