CN109500039B - LF stove high-low rail removes dust excluding hood - Google Patents
LF stove high-low rail removes dust excluding hood Download PDFInfo
- Publication number
- CN109500039B CN109500039B CN201811650080.XA CN201811650080A CN109500039B CN 109500039 B CN109500039 B CN 109500039B CN 201811650080 A CN201811650080 A CN 201811650080A CN 109500039 B CN109500039 B CN 109500039B
- Authority
- CN
- China
- Prior art keywords
- side face
- wheel set
- dust
- sealing wall
- ladle refining
- 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.)
- Active
Links
- 239000000428 dust Substances 0.000 title claims abstract description 50
- 238000007670 refining Methods 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 239000000779 smoke Substances 0.000 abstract description 9
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 238000003723 Smelting Methods 0.000 description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009847 ladle furnace Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
Abstract
The invention discloses a high-low rail mobile dust hood of an LF furnace, which comprises a ladle refining furnace, wherein the ladle refining furnace comprises a dust hood, a sealing wall, an A wheel set, a B wheel set and a track device, the dust hood comprises a left side face, a right side face, a rear side face, a front side face and an air outlet, the left side face, the right side face and the rear side face are all closed side faces, the front side face is a semi-open side face, the bottom of the left side face and the upper part of the right side face are respectively provided with the A wheel set and the B wheel set, the track devices are arranged on two sides of the ladle refining furnace, the A wheel set and the B wheel set are connected with the track device and can walk on the track device, the sealing wall is arranged along the vertical face of the track device, and the front side face can be attached to the sealing wall. The invention can effectively collect a large amount of smoke and dust emitted from the electrode holes, and avoids environmental pollution caused by leakage of the smoke and the dust.
Description
Technical Field
The invention relates to the technical field of LF ladle refining furnace equipment in the metallurgical industry, in particular to a high-low rail mobile dust hood of an LF furnace.
Background
LF FURNACE (LADLE FURNACE), LADLE refining FURNACE, is the main external refining equipment in steel production. The equipment mainly comprises a water-cooled furnace cover, an electric arc heating system and a charging device. The water-cooled furnace cover is used for sealing the ladle opening, maintaining strong reducing atmosphere in the furnace and preventing molten steel from radiating, and is provided with a smoke exhausting and dust removing facility. In the molten steel refining process, a large amount of smoke and dust are generated due to the electric arc effect and the feeding of argon blowing and wire feeding in the smelting process, and enter a dust removing air pipe through the side surface of a water cooling furnace cover to be pumped out by a dust removing fan. However, the existing dust removing system is difficult to fully collect the dust, a large amount of smoke dust is emitted from the electrode holes, the emitted smoke dust interferes with the sight of an operator of the overhead travelling crane, potential safety hazards are brought to the lifting operation of the travelling crane, serious pollution is caused to the environment, and the physical and mental health of the staff is directly endangered.
Disclosure of Invention
In order to solve the technical problems, the invention provides a high-low rail mobile dust hood for an LF furnace, which comprises the following specific technical scheme:
the utility model provides a LF stove high low rail removes dust excluding hood, includes ladle refining stove, ladle refining stove includes dust removal pipe network, electrode, bell, ladle and unloading pipe, its characterized in that: still include dust excluding hood, sealing wall, A wheelset, B wheelset and rail set, the dust excluding hood includes left side, right side, trailing flank, leading flank and air outlet, left side, right side, trailing flank are closed side, and the leading flank is half open-type side, A wheelset and B wheelset are installed respectively to the bottom of left side, the upper portion of right side, are equipped with rail set in ladle refining stove both sides, A wheelset and B wheelset are connected with rail set, and can walk on the rail set, set up sealing wall along rail set's perpendicular, the leading flank can laminate with sealing wall.
Preferably: the track device is composed of one or more sections of steel rails or I-steel.
Preferably: the bottom of the left side surface and the upper part of the right side surface are respectively provided with an A wheel set and a B wheel set through bolts.
Compared with the prior art, the invention has the following technical effects that the high-low rail mobile dust hood of the LF furnace is moved to enable the front side surface of the high-low rail mobile dust hood to be attached to the sealing wall, so that a large amount of smoke and dust emitted from an electrode hole between an electrode of the LF furnace and a water-cooled furnace cover can be effectively collected, environmental pollution caused by leakage of the smoke and the dust is avoided, the height requirement of electrode lifting during smelting is met, and the problem of lifting the electrode replacement of the overhauling cantilever crane is solved.
Drawings
Fig. 1 is a schematic front view of the structure of the present invention.
Fig. 2 is a schematic right side view of the dust hood structure of the present invention.
Fig. 3 is a schematic view of the present invention applied to a ladle refining furnace.
In the figure: 1. ladle refining furnace, 2, dust excluding hood, 3, sealing wall, 31, rubber block, 4, A wheel group, 5, B wheel group, 6, rail set, 7, left side, 8, right side, 9, rear side, 10, front side, 11, air outlet, 12, dust removing pipe network, 13, electrode, 14, furnace cover, 15, ladle, 16, unloading pipe.
Detailed Description
The invention is further described below with reference to fig. 1, 2 and 3, and the ladle refining furnace 1 comprises a ladle refining furnace 1, the ladle refining furnace 1 comprises a dust removing pipe network 12, an electrode 13, a furnace cover 14, a ladle 15 and a blanking pipe 16, and further comprises a dust removing cover 2, a sealing wall 3, an a wheel set 4, a B wheel set 5 and a rail device 6, the dust removing cover 2 comprises a left side 7, a right side 8, a rear side 9, a front side 10 and an air outlet 11, the left side 7, the right side 8 and the rear side 9 are all closed sides, the front side 10 is a semi-open side (ensuring the lifting stroke of an electrode clamping arm during smelting), the bottom of the left side 7 and the upper part of the right side 8 are respectively provided with the a wheel set 4 and the B wheel set 5, rail devices 6 are arranged on two sides of the ladle refining furnace 1, the a wheel set 4 and the B wheel set 5 are connected with the rail device 6, the rail device 6 can walk on the rail device 6 through motor transmission, the sealing wall 3 is arranged along the vertical surface of the rail device 6, and the front side 10 can be attached to the sealing wall 3. The track device 6 is composed of one or more sections of steel rails or I-steel. The bottoms of the left side surface 7 and the right side surface 8 are respectively provided with an A wheel set 4 and a B wheel set 5 through bolts.
Examples:
as shown in fig. 1-3, the dust hood 2 is a hood with an upper air outlet 11 connected with a dust removing pipe 12 through a pipeline (see fig. 3), four sides of the hood are three-side closed and one-side semi-open, namely a left side 7 and a right side 8, a rear side 9 is closed, a front side 10 is semi-open (ensuring the lifting stroke of an electrode clamping arm during smelting), and the front side 10 faces the sealing wall 3; the sealing wall 3 is a wall surface with the area larger than the opening of the dust hood 2, and a rubber block 31 is stuck to the right opposite surface of the dust hood 2 in the opening direction; the wheel sets 4 and 5 are two sets respectively, the wheel set 4 is mounted at the bottom of the left side 7, the wheel set 5 is mounted at the upper part of the right side 8, namely, the wheel set 5 is positioned at one side of the blanking pipe 16, and the wheel set 4 is positioned at the other side far from the blanking pipe 16. The wheel set A4 and the wheel set B5 are connected with the dust hood 2 through bolts; the rail devices 6 are arranged on two sides of the ladle refining furnace 1 along the direction perpendicular to the travelling direction of the ladle 15, the rail devices 6 are arranged on the lower parts of the wheel groups A4 and B5 to form high-low rails (see figure 2), the rail devices 6 consist of one or more sections of steel rails or I-steel, the wheel groups A4 and B5 can reciprocate along the rail devices 6, and when the ladle refining furnace runs towards the direction of the sealing wall 3, the front side 10 on the dust hood 2 is attached to the sealing wall 3, so that the overflow of smoke and dust is prevented.
As shown in fig. 1 and fig. 3, after the dust hood 2 is assembled with the wheel set a 4 and the wheel set B5, the dust hood 2 is arranged on the track device 6, a sealing wall 3 (not shown in fig. 3) is arranged along the vertical plane of the track device 6, after the wheel set a 4 and the wheel set B5 run to a certain limit, the front side 10 of the dust hood 2 is attached to the sealing wall 3, meanwhile, an air outlet 11 at the upper part of the dust hood 2 is communicated with a dust removing pipe network 12, and a large amount of flue gas and dust emitted by the electrode holes are forced to be discharged into the dust removing pipe network 12 from the air outlet 11, so that environmental pollution caused by leakage of the flue gas and the dust is avoided. The track guide structure is simple, reliable in positioning and convenient to install and detach.
Claims (1)
1. The utility model provides a LF stove high low rail removes dust excluding hood, includes ladle refining stove, ladle refining stove includes dust removal pipe network, electrode, bell, ladle and unloading pipe, its characterized in that: the dust removing device also comprises a dust removing cover, a sealing wall, an A wheel set, a B wheel set and a track device, wherein the dust removing cover comprises a left side face, a right side face, a rear side face, a front side face and an air outlet, the left side face, the right side face and the rear side face are all closed side faces, the front side face is a semi-open side face, the bottom of the left side surface and the upper part of the right side surface are respectively provided with an A wheel set and a B wheel set, the two sides of the ladle refining furnace are provided with track devices, the A wheel set and the B wheel set are connected with the track devices and can walk on the track devices, a sealing wall is arranged along the vertical plane of the track devices, and the front side surface can be attached to the sealing wall;
the track device is composed of one or more sections of steel rails or I-steel;
the bottom of the left side surface and the upper part of the right side surface are respectively provided with an A wheel set and a B wheel set through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811650080.XA CN109500039B (en) | 2018-12-31 | 2018-12-31 | LF stove high-low rail removes dust excluding hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811650080.XA CN109500039B (en) | 2018-12-31 | 2018-12-31 | LF stove high-low rail removes dust excluding hood |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109500039A CN109500039A (en) | 2019-03-22 |
| CN109500039B true CN109500039B (en) | 2024-02-09 |
Family
ID=65756126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811650080.XA Active CN109500039B (en) | 2018-12-31 | 2018-12-31 | LF stove high-low rail removes dust excluding hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109500039B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111112274A (en) * | 2020-01-29 | 2020-05-08 | 中冶重工（唐山）有限公司 | Steel ladle dedusting process |
| CN114713812B (en) * | 2022-03-21 | 2024-03-12 | 海盐中达金属电子材料有限公司 | Movable smoke dust collecting and casting platform for steelmaking |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4978105A (en) * | 1988-08-26 | 1990-12-18 | Krupp Industrietechnik Gmbh | Steel mill system which includes a metallurgical furnace and a further processing system |
| CN101225452A (en) * | 2008-01-30 | 2008-07-23 | 中冶华天工程技术有限公司 | Mobile smoke blast trapping device for furnace mixer |
| CN106955887A (en) * | 2017-05-24 | 2017-07-18 | 中冶华天工程技术有限公司 | A kind of portable full encirclement ladle-pot hot-repair dedusting closure assembly |
| CN206716688U (en) * | 2017-05-23 | 2017-12-08 | 中冶华天南京工程技术有限公司 | Based on the half-sealed cover dust pelletizing system for removing AOD furnace furnace lining |
| CN206838728U (en) * | 2016-12-29 | 2018-01-05 | 马鞍山市中桥金属材料有限公司 | A kind of electroslag remelting bell-type wind send dust arrester |
| CN206934945U (en) * | 2017-05-23 | 2018-01-30 | 中冶华天南京工程技术有限公司 | Based on the fluid pressure type dust pelletizing system for removing AOD furnace furnace lining |
| CN207521407U (en) * | 2017-11-08 | 2018-06-22 | 河北建支铸造集团有限公司 | A kind of iron filings melting dust pelletizing system |
| CN209452470U (en) * | 2018-12-31 | 2019-10-01 | 新余钢铁股份有限公司 | A kind of LF furnace height rail movable dust removal cover |
-
2018
- 2018-12-31 CN CN201811650080.XA patent/CN109500039B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4978105A (en) * | 1988-08-26 | 1990-12-18 | Krupp Industrietechnik Gmbh | Steel mill system which includes a metallurgical furnace and a further processing system |
| CN101225452A (en) * | 2008-01-30 | 2008-07-23 | 中冶华天工程技术有限公司 | Mobile smoke blast trapping device for furnace mixer |
| CN206838728U (en) * | 2016-12-29 | 2018-01-05 | 马鞍山市中桥金属材料有限公司 | A kind of electroslag remelting bell-type wind send dust arrester |
| CN206716688U (en) * | 2017-05-23 | 2017-12-08 | 中冶华天南京工程技术有限公司 | Based on the half-sealed cover dust pelletizing system for removing AOD furnace furnace lining |
| CN206934945U (en) * | 2017-05-23 | 2018-01-30 | 中冶华天南京工程技术有限公司 | Based on the fluid pressure type dust pelletizing system for removing AOD furnace furnace lining |
| CN106955887A (en) * | 2017-05-24 | 2017-07-18 | 中冶华天工程技术有限公司 | A kind of portable full encirclement ladle-pot hot-repair dedusting closure assembly |
| CN207521407U (en) * | 2017-11-08 | 2018-06-22 | 河北建支铸造集团有限公司 | A kind of iron filings melting dust pelletizing system |
| CN209452470U (en) * | 2018-12-31 | 2019-10-01 | 新余钢铁股份有限公司 | A kind of LF furnace height rail movable dust removal cover |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109500039A (en) | 2019-03-22 |
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