CN208527654U - A kind of dust-extraction unit for electrode rotary double-station LF furnace - Google Patents
A kind of dust-extraction unit for electrode rotary double-station LF furnace Download PDFInfo
- Publication number
- CN208527654U CN208527654U CN201820741084.8U CN201820741084U CN208527654U CN 208527654 U CN208527654 U CN 208527654U CN 201820741084 U CN201820741084 U CN 201820741084U CN 208527654 U CN208527654 U CN 208527654U
- Authority
- CN
- China
- Prior art keywords
- cover
- dust
- furnace
- mobile
- water cooled
- 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
Landscapes
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The utility model discloses a kind of dust-extraction units for electrode rotary double-station LF furnace, including 2 mobile covers, fixed cover, dust excluding hood cleaning shaft and 2 water cooled cover dust removing tubes, 2 mobile covers are respectively arranged at the top of two LF furnaces, it is distributed in the two sides of fixed cover, 2 mobile covers and fixed cover are respectively connected with dust excluding hood cleaning shaft, one end of 2 water cooled cover dust removing tubes is connect with 2 LF furnace water cooled covers respectively, the other end of 2 water cooled cover dust removing tubes is connect with dust excluding hood cleaning shaft, the cleaning shaft of water cooled cover is connect with the cleaning shaft of top dust excluding hood converge after access dedusting total pipeline, mobile cover can move outward, convenient for the maintenance of dust-extraction unit and LF furnace.It realizes the comprehensive dedusting to electrode rotary double-station LF furnace, improves dust removing effects, while will not have any influence to the technological operation of LF furnace, structure is simple, and reliable operation reduces cost.
Description
Technical field
The utility model relates to technical field of metallurgical equipment, and in particular to a kind of removing for electrode rotary double-station LF furnace
Dirt device.
Background technique
LF furnace is that the use electrode of one kind under reducing atmosphere carries out submerged arc heating, the stirring of air brick Argon and slag refining
External refining device.Since LF stove has the advantages that low investment, widely used, refining cycle is short and effect is good, in recent years,
Both at home and abroad using LF ladle refining furnace as external refining means main in steel smelting procedure.As Environmental is protected
Dynamics it is originally bigger, the environmental protection pressure that iron and steel enterprise faces is got worse.Molten steel in LF furnace treatment process, acts on again in electrode
Under, a series of physical and chemical reaction occurs for the slag and alloy material and molten steel of addition, a large amount of flue gas and dust is generated, to steel
The environment in ironworks impacts.
The flue gas that LF furnace generates at present mainly collects flue gas by the smoke collecting skirt side of water cooled cover on ladle, but furnace
Charging aperture, electrode hole, hello the various hole gaps such as wire hole and peep hole can still emit on gap and bell between lid and ladle
A large amount of high-temperature dust-containing flue gas out seriously affects the environment of steel-making workshop and the physical and mental health of relevant operation worker.Exist in recent years
In the arrangement of either simplex station LF furnace, increases the closed petticoat pipe of LF furnace dedusting newly, substantially improved the effect of dedusting, but in electrode rotary
In the LF furnace arrangement form of double-station, there is not better dedusting method always due to being limited by the influences such as electrode rotary and replacement.
Summary of the invention
The technical problems to be solved in the utility model is in view of the foregoing defects the prior art has, to provide a kind of use
In the dust-extraction unit of electrode rotary double-station LF furnace, realizes the comprehensive dedusting to electrode rotary double-station LF furnace, improve and remove
Dirt effect, while will not have any influence to the technological operation of LF furnace, structure is simple, and reliable operation reduces cost.
Used technical solution is the utility model to solve above-mentioned technical problem:
A kind of dust-extraction unit for electrode rotary double-station LF furnace, including 2 mobile covers, fixed cover, dust excluding hood dedusting
Pipeline and 2 water cooled cover dust removing tubes, 2 mobile covers are respectively arranged at the top of two LF furnaces, are distributed in the two sides of fixed cover,
2 mobile covers and fixed cover are respectively connected with dust excluding hood cleaning shaft, one end of 2 water cooled cover dust removing tubes respectively with 2 LF furnaces
Water cooled cover connection, the other end of 2 water cooled cover dust removing tubes are connect with dust excluding hood cleaning shaft, the cleaning shaft of water cooled cover
Access dedusting total pipeline after converging is connect with the cleaning shaft of top dust excluding hood, mobile cover can be moved outward, be filled convenient for dedusting
Set the maintenance with LF furnace.
According to above-mentioned technical proposal, the upper horizontal of two LF furnaces is equipped with track, and mobile be provide with is placed on track, mobile cover
Track-movable.
According to above-mentioned technical proposal, the lower end of mobile cover is equipped with idler wheel, and idler wheel is set on track, and mobile cover passes through idler wheel
It is moved along track.
According to above-mentioned technical proposal, the bottom of track is connected with dust excluding hood column, vertical set on dust excluding hood by being welded and fixed
On column, to be to realize to fix.
According to above-mentioned technical proposal, fixed cover includes the fixed cover in front, the fixed cover of the fixed cover in top and side, and side is fixed
The fixed cover of cover and top is respectively arranged at the side and top of the fixed cover in front.
According to above-mentioned technical proposal, dust excluding hood cleaning shaft and water cooled cover dust removing tube are equipped with regulating valve.
The utility model has the following beneficial effects:
1, the mode that water cooled cover dedusting and big petticoat pipe dedusting combine, the exhausted big portion that can will be generated in LF furnace treatment process
Point flue gas siphons away, and guarantees the environment of LF furnace region workshop and the physical and mental health of protection relevant operation worker, in conjunction with setting for fixed cover
It sets, reduces wild air quantity to the greatest extent and be mixed into, reducing the construction costs and maintenance cost.
2, the cleaning shaft on water cooled cover on cleaning shaft and mobile cover is provided with dedusting regulating valve, can individually into
The adjusting of row aperture a, when station is handled wherein, it is possible to reduce the air quantity of secondary station can save dust pelletizing system
Total blast volume, reduce investment outlay.
3, the mobile cover of dust excluding hood setting can be outputed toward two sides, can be mobile when electrode is replaced or overhauls water cooled cover
Dust excluding hood, will not to usually operation and equipment repair and maintenance have an impact；Cleaning shaft and mobile cover on water cooled cover
On cleaning shaft be provided with dedusting regulating valve, can individually carry out the adjusting of aperture, on the one hand can guarantee water cooled cover
On the other hand interior micro-positive pressure can cooperate so that dust pelletizing system is maintained under most economical operating status.
Detailed description of the invention
It is filled when Fig. 1 is mobile cover closed state in the utility model embodiment for the dedusting of electrode rotary double-station LF furnace
The main view set；
Fig. 2 is the top view of Fig. 1；
It is filled when Fig. 3 is mobile cover opening state in the utility model embodiment for the dedusting of electrode rotary double-station LF furnace
The main view set；
Fig. 4 is the top view of Fig. 3；
Fig. 5 is the left view of Fig. 1；
In figure, the mobile cover of 1-, the front 2- is fixed to cover, 3- track, and fixed cover at the top of 4-, 5- dust excluding hood cleaning shaft, 6- is removed
Dust hood regulating valve, 7- water cooled cover dust removing tube, the fixed cover in the side 8-, 9- water cooled cover regulating valve, 10- water cooled cover.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.
Shown in referring to Fig.1~Fig. 5, for electrode rotary double-station LF furnace in a kind of embodiment provided by the utility model
Dust-extraction unit, including 2 mobile covers 1, fixed cover, dust excluding hood cleaning shaft 5 and 2 water cooled cover dust removing tube 7,2 mobile covers 1
It is respectively arranged at the top of two LF furnaces, is distributed in the two sides of fixed cover, 2 mobile covers 1 and fixed cover are respectively connected with dust excluding hood
One end of 5,2 water cooled cover dust removing tubes 7 of cleaning shaft is connect with 2 LF furnace water cooled covers 10 respectively, 2 water cooled cover dedustings
The other end of pipe 7 is connect with dust excluding hood cleaning shaft 5, and the cleaning shaft of water cooled cover is connect with the cleaning shaft of top dust excluding hood
Dedusting total pipeline is accessed after converging, mobile cover 1 can move outward, convenient for the maintenance of dust-extraction unit and LF furnace.
Further, the upper horizontal of two LF furnaces is equipped with track 3, and mobile cover 1 is set on track 3, and mobile cover 1 can edge
Track 3 is mobile.
Further, the lower end of mobile cover 1 is equipped with idler wheel, and idler wheel is set on track 3, and mobile cover 1 is by idler wheel along rail
Road 3 is mobile.
Further, the bottom of track 3 is connected with dust excluding hood column, is set on dust excluding hood column by being welded and fixed, from
But it realizes and fixes.
Further, fixed cover includes the fixed cover 2 in front, the fixed cover 8 of the fixed cover 4 in top and side, side 8 Hes of fixed cover
The fixed cover 4 in top is respectively arranged at the side and top of the fixed cover 2 in front；Fixed cover of dust-collecting fume hood is put down close to the main operation of LF furnace
It opens up the observation of LF furnace on platform to go, conducive to observation of the operator in operational process of craft to LF furnace；In LF furnace two sides without equipment
The place passed through is all made of fixed cover closing, reduces being mixed into for wild air quantity to the greatest extent, reduces the investment of dust pelletizing system, front
Fixed cover, the fixed cover of the fixed cover in top and side are mutually assembled, form an entirety, convenient for production and transport, the fixed cover in front,
It is tightly connected between the fixed cover of the fixed cover in top and side and forms a confined space, prevented flue dust excessive and sucking is a large amount of wild
Wind.
Further, each dust excluding hood cleaning shaft 5 and water cooled cover dust removing tube 7 are equipped with regulating valve.
Working principle of the utility model is:
Dust-extraction unit is in such a way that dust excluding hood and water cooled cover dedusting combine；
Dust excluding hood is divided into the mobile cover 1 of the two sides on top, the fixed cover among top, three, fixed cover of the surrounding of lower part etc.
Point, mobile cover 1 can be outputed toward two sides, while the setting LF furnace viewing area in the positive front of LF furnace main operation platform.
The movable dust removal cover on top is divided into 2 individually mobile covers 1, and mobile cover 1 has dedusting interface and external cleaning shaft
It is connected；Middle section is fixed cover, and no dedusting interface is connected with cleaning shaft.
The cleaning shaft of water cooled cover is connect with the cleaning shaft of top dust excluding hood converge after access dedusting total pipeline.
Cleaning shaft on water cooled cover on cleaning shaft and mobile cover 1 is provided with dedusting regulating valve, can individually into
The adjusting of row aperture.
As shown in fig. 1~fig. 5, mobile cover 1 is directly put in mobile cover track 3, and it is vertical that mobile cover track 3 is welded on dust excluding hood
On column, the fixed cover 2 in front is welded on operating platform and dust excluding hood column.The fixed cover 4 in top is welded on the end of mobile cover track 3
Head, dust excluding hood cleaning shaft 5 is connected with mobile cover, while dust excluding hood regulating valve 6 is mounted on dust excluding hood cleaning shaft 5.Water
Black furnace lid dust removing tube 7 is connect with LF furnace water cooled cover, while water cooled cover regulating valve 9 is mounted on water cooled cover dust removing tube 7.Side
The fixed cover 8 in side is welded on operating platform and dust excluding hood column.
With reference to shown in FIG. 1 to FIG. 5, in utility model device, when LF furnace carries out processing molten steel process, moved in figure
Cover 1 is opened to closed state, and the flue gas that ladle mouth generates passes through water cooled cover regulating valve 9 first and water cooled cover dust removing tube 7 carries out
Dedusting, at the same by adjusting water cooled cover regulating valve 9 come control in bell keep micro-positive pressure state.Rest part is from bell
Charging aperture, electrode hole, hello the various hole gaps such as wire hole and peep hole are emerged, and flue gas passes through mobile cover 1, front is fixed and covers 2, pushes up
The confined space that the fixed cover 4 in portion, dust excluding hood cleaning shaft 5 generate is dusted, while the aperture for controlling dust excluding hood regulating valve 6 is come
Guarantee corresponding dust removing effects and dedusting air quantity.It refines in LF furnace in different station, or or else same processing stage, Ke Yitong
Cross cooperating to run in most economical mode and removing for two dust excluding hood regulating valves 6 of control and two water cooled cover regulating valves 9
Dirt system obtains best dust removing effects to reach minimum operating cost.Dust excluding hood regulating valve 6 and water cooled cover regulating valve 9
Adjusting and mobile moving openingly and closingly for cover 1 can be automatically brought into operation by the PLC system of LF furnace.
Simultaneously when needing to carry out electrode in dust excluding hood the progress repair and replacement of the equipment such as replacement or bell, it can will move
Dynamic cover 1 is opened to opening state, and electrode or other equipment can be hung in by crane right above bell and be replaced and repaired.
Above is only the preferred embodiment of the utility model, cannot limit the power of the utility model with this certainly
Sharp range, therefore equivalence changes made according to the patent scope of the utility model, still belong to the protection scope of the utility model.
Claims (5)
1. a kind of dust-extraction unit for electrode rotary double-station LF furnace, which is characterized in that including 2 mobile covers, fixed cover, remove
Dust hood cleaning shaft and 2 water cooled cover dust removing tubes, 2 mobile covers are respectively arranged at the top of two LF furnaces, are distributed in fixation
The two sides of cover, 2 mobile covers and fixed cover are respectively connected with dust excluding hood cleaning shaft, one end difference of 2 water cooled cover dust removing tubes
It is connect with 2 LF furnace water cooled covers, the other end of 2 water cooled cover dust removing tubes is connect with dust excluding hood cleaning shaft.
2. the dust-extraction unit according to claim 1 for electrode rotary double-station LF furnace, which is characterized in that two LF furnaces
Upper horizontal be equipped with track, mobile be provide with is placed on track, mobile cover track-movable.
3. the dust-extraction unit according to claim 2 for electrode rotary double-station LF furnace, which is characterized in that mobile cover
Lower end is equipped with idler wheel, and idler wheel is set on track, and mobile cover is moved by idler wheel along track.
4. the dust-extraction unit according to claim 1 for electrode rotary double-station LF furnace, which is characterized in that fixed cover packet
The fixed cover in front, the fixed cover of the fixed cover in top and side are included, the fixed cover of the fixed cover in side and top is respectively arranged at front and fixes
The side and top of cover.
5. the dust-extraction unit according to claim 1 for electrode rotary double-station LF furnace, which is characterized in that dust excluding hood removes
Dirt pipeline and water cooled cover dust removing tube are equipped with regulating valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820741084.8U CN208527654U (en) | 2018-05-18 | 2018-05-18 | A kind of dust-extraction unit for electrode rotary double-station LF furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820741084.8U CN208527654U (en) | 2018-05-18 | 2018-05-18 | A kind of dust-extraction unit for electrode rotary double-station LF furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208527654U true CN208527654U (en) | 2019-02-22 |
Family
ID=65393754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820741084.8U Active CN208527654U (en) | 2018-05-18 | 2018-05-18 | A kind of dust-extraction unit for electrode rotary double-station LF furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208527654U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110257587A (en) * | 2019-04-22 | 2019-09-20 | 中冶南方工程技术有限公司 | Double-station LF refining furnace system that is a kind of online and combining offline |
| CN111059899A (en) * | 2019-12-18 | 2020-04-24 | 广东华鳌合金新材料有限公司 | Electric furnace charging and dust removing system and method |
| CN111664714A (en) * | 2019-03-06 | 2020-09-15 | 宝钢工程技术集团有限公司 | Double-station LF furnace dust collection hood |
-
2018
- 2018-05-18 CN CN201820741084.8U patent/CN208527654U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664714A (en) * | 2019-03-06 | 2020-09-15 | 宝钢工程技术集团有限公司 | Double-station LF furnace dust collection hood |
| CN110257587A (en) * | 2019-04-22 | 2019-09-20 | 中冶南方工程技术有限公司 | Double-station LF refining furnace system that is a kind of online and combining offline |
| CN111059899A (en) * | 2019-12-18 | 2020-04-24 | 广东华鳌合金新材料有限公司 | Electric furnace charging and dust removing system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208527654U (en) | A kind of dust-extraction unit for electrode rotary double-station LF furnace | |
| CN201166520Y (en) | Intermediate frequency furnace flue gas trapping device | |
| CN204974664U (en) | Portable dust collector | |
| CN104962680B (en) | A kind of converter dry dedusting venting of dust explosion control method | |
| CN216073885U (en) | Masonry fixing device for taphole | |
| CN208527630U (en) | A kind of hot-metal bottle folding tank position dust-extraction unit | |
| CN102559995A (en) | Water-cooled furnace lid for refined-smelting ladle furnace, and slag removal method of dust-proof flue of water-cooled furnace lid | |
| CN102912075A (en) | Method for improving coal gas recovery of semi-steel steel-making dry dedusting system | |
| CN206872864U (en) | Mobile enclosed cover | |
| CN210065834U (en) | Movable closed cover for refining furnace | |
| CN209439433U (en) | Ladle-pot hot-repair system | |
| CN201362727Y (en) | Compound inductive upper smoke arrestment hood of converter for secondary smoke arrestment | |
| CN201530837U (en) | CAS-OB dedusting device | |
| CN205329104U (en) | Argon station dust keeper is blown in steelmaking | |
| CN206751860U (en) | The simple third dedusting system of converter based on a tank | |
| CN114713811B (en) | Ferroalloy casting smoke dust recycling device and recycling method | |
| CN205628867U (en) | AOD stove bale breaking collecting cover | |
| CN213507058U (en) | Sealing device for shaft type electric arc furnace | |
| CN220352164U (en) | Molten iron desulfurization system | |
| CN200988847Y (en) | Dust-proof heat insulation gas seal jacket | |
| CN219560861U (en) | Movable dust hood for molten iron ladle | |
| CN217921124U (en) | Dust collector that casting crane used | |
| CN203002157U (en) | Dedusting and desulfurizing device of cupola furnace | |
| CN212320434U (en) | Telescopic double-station trapping cover | |
| CN214078383U (en) | Smoke dust collecting device for horizontal molten steel tank |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |