CN106247801A - A kind of water cooled cover of ladle refining furnace - Google Patents
A kind of water cooled cover of ladle refining furnace Download PDFInfo
- Publication number
- CN106247801A CN106247801A CN201610863761.9A CN201610863761A CN106247801A CN 106247801 A CN106247801 A CN 106247801A CN 201610863761 A CN201610863761 A CN 201610863761A CN 106247801 A CN106247801 A CN 106247801A
- Authority
- CN
- China
- Prior art keywords
- cover
- dust removal
- petticoat pipe
- water cooled
- ring flange
- 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.)
- Granted
Links
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
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/18—Door frames; Doors, lids, removable covers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J13/00—Fittings for chimneys or flues
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2217/00—Intercepting solids
-
- 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
- F27D2009/0002—Cooling of furnaces
- F27D2009/001—Cooling of furnaces the cooling medium being a fluid other than a gas
- F27D2009/0013—Cooling of furnaces the cooling medium being a fluid other than a gas the fluid being water
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention provides the water cooled cover of a kind of ladle refining furnace, including: the central part of resistance to material, top pincer cover, dust removal by ventilation piping flexible connecting device, dust removal by ventilation pipeline and bell body, the described central part of resistance to material is arranged on described bell body, the pincerlike opening of described top pincer cover is for collecting the cigarette at the described central part of resistance to material place, described bell body includes that underflue, the smoke end of described top pincer cover and the smoke end of described underflue are all connected with described dust removal by ventilation pipeline by described dust removal by ventilation piping flexible connecting device.Embodiments provide the water cooled cover of a kind of ladle refining furnace, there is simple in construction, reliable operation, the advantage such as easy and simple to handle, energy-conservation, meet the requirement of malleation work in burner hearth, solve LF stove smoke event simultaneously, meet environmental requirement.
Description
Technical field
The present invention relates to a kind of water cooled cover, the water cooled cover of a kind of ladle refining furnace.
Background technology
LF stove (ladle refining furnace) can produce volume of smoke in processing procedure, generally only opens at top at ladle mask one
If the enclosed type water cooled cover of 3 electrode holes, water cooled cover side offers inlet scoop (smoking road, side), and ventilating and purifying air system is from side
Take out and at flue outlet, siphon away flue dust.The flue-gas temperature that bell produces in needing lifting and stove is the highest, and common practice is: water cooled cover
Smoking road, side port is straight and even with dust removal by ventilation Pipeline Water corresponding, leaves the horizontal clearance of 50 100mm, can rise meeting bell
Fall, siphon away flue dust while can be blended into cold air to reduce flue-gas temperature from gap location.Just it is in requiring stove when LF stove is smelted
Pressure, it is the most different to smelt the exhaust gas volumn that different operating mode produces, and suction air volume is difficult to control, and the excessive phenomenon of LF stove flue dust generally exists.
Summary of the invention
The purpose of the embodiment of the present invention is to provide the water cooled cover of the ladle refining furnace of a kind of energy-conserving and environment-protective.
In order to achieve the above object, embodiments provide the water cooled cover of a kind of ladle refining furnace, including: resistance to material
Central part, top pincer cover, dust removal by ventilation piping flexible connecting device, dust removal by ventilation pipeline and bell body, described Nai Cai center
Part is arranged on described bell body, and the pincerlike opening of described top pincer cover is for collecting the described central part of resistance to material place
Cigarette, described bell body includes that underflue, the smoke end of described top pincer cover and the smoke end of described underflue are equal
It is connected with described dust removal by ventilation pipeline by described dust removal by ventilation piping flexible connecting device.
Further, described dust removal by ventilation piping flexible connecting device includes the first connection end, the second connection end and setting
Connect end and second described first and connect the hose body between end, described first connect end respectively with described top pincer cover
The smoke end of smoke end and described underflue connects, and described second connects end is connected with described dust removal by ventilation pipeline.
Further, described first connect end respectively with the smoke end of described top pincer cover and going out of described underflue
Cigarette end against, described second connects end and described dust removal by ventilation pipeline fixes and is connected.
Further, described first connects end is provided with the first ring flange, and described second connects end is provided with the second flange
Dish, the smoke end of described top pincer cover and the smoke end of described bell body are provided with three-flange dish, described dust removal by ventilation
Pipeline be provided with the 4th ring flange, described first ring flange and three-flange dish against, described second ring flange and the 4th flange
Dish is bolted to connection.
Further, described first connect end respectively with the smoke end of described top pincer cover and going out of described underflue
Cigarette end is fixing to be connected, described second connect end and described dust removal by ventilation pipeline against.
Further, described first connects end is provided with the first ring flange, and described second connects end is provided with the second flange
Dish, the smoke end of described top pincer cover and the smoke end of described bell body are provided with three-flange dish, described dust removal by ventilation
Pipeline is provided with the 4th ring flange, and described first ring flange and three-flange dish are bolted to connection, described second flange
Dish and the 4th ring flange against.
Further, described bell body also includes that petticoat pipe shirt rim and bottom petticoat pipe, the external diameter of described petticoat pipe shirt rim are more than
The external diameter of ladle mouth, the described central part of resistance to material and top pincer cover are each attached on the petticoat pipe of described bottom, described petticoat pipe shirt rim with
Described bottom petticoat pipe is fixing to be connected, and described underflue is fixed on the top of petticoat pipe shirt rim, and top, described petticoat pipe shirt rim is provided with
Outlet flue, described underflue connects with the outlet flue at top, petticoat pipe shirt rim.
Further, the top of described petticoat pipe shirt rim is provided with the outlet flue of lattice-shaped, described underflue and lattice-shaped
Described outlet flue connection.
Further, described petticoat pipe shirt rim and bottom petticoat pipe are water-cooling structure.
Further, the described central part of resistance to material is positioned at the inside of pincerlike opening of described top pincer cover.
Embodiments provide the water cooled cover of a kind of ladle refining furnace, there is simple in construction, reliable operation, operation
The advantage such as easy, energy-conservation, meets the requirement of malleation work in burner hearth, solves LF stove smoke event simultaneously, meet environmental protection
Requirement, specifically, this water cooled cover:
1, smelting process requirement is met, it is ensured that being malleation in burner hearth, ventilating and purifying air system the most directly aspirates in water cooled cover
Portion, flue dust is just pumped when overflowing in burner hearth；
2, energy-conservation: the pincerlike opening of top pincer cover is open, dust removal by ventilation pipeline is lowered the temperature without being blended into cold air,
Effectively reduce the power of ventilation blower；
3, consumption of electrode is reduced: flue gas is vented dust pelletizing system and sucks from the pincerlike opening level of top pincer cover 2, cold
Electrode is directly played cooling effect by wind.
Accompanying drawing explanation
The structural representation of the water cooled cover of the ladle refining furnace that Fig. 1 provides for the embodiment of the present invention.
In figure, 1: the central part of resistance to material, 2: top pincer cover, 3: dust removal by ventilation piping flexible connecting device, 4: dust removal by ventilation pipe
Road, 5: petticoat pipe shirt rim, 6: underflue, 7: bottom petticoat pipe.
Detailed description of the invention
Below in conjunction with schematic diagram, the detailed description of the invention of the present invention is described in more detail.According to description below and
Claims, advantages and features of the invention will be apparent from.It should be noted that, accompanying drawing all uses the form simplified very much and all
Use non-ratio accurately, only in order to facilitate, to aid in illustrating lucidly the purpose of the embodiment of the present invention.
As it is shown in figure 1, embodiments provide the water cooled cover of a kind of ladle refining furnace, including: the central part of resistance to material
1, top pincer cover 2, dust removal by ventilation piping flexible connecting device 3, dust removal by ventilation pipeline 4 and bell body, the described central part of resistance to material 1
Being arranged on described bell body, the pincerlike opening of described top pincer cover 2 is for collecting at the described central part of resistance to material 1
Cigarette, described bell body includes underflue 6, the smoke end of described top pincer cover 2 and the smoke end of described underflue 6
All it is connected with described dust removal by ventilation pipeline 4 by described dust removal by ventilation piping flexible connecting device 3.
Further, described dust removal by ventilation piping flexible connecting device 3 includes the first connection end, the second connection end and setting
Connecting end and second described first and connect the hose body (not marking in figure) between end, described first connects end respectively with described
The smoke end of top pincer cover 2 and the smoke end of described underflue 6 connect, and described second connects end and described dust removal by ventilation pipe
Road 4 connects.
Further, the first either end connected in end and the second connection end is fixed, and the other end is against setting, against setting
Genetic method your beautiful writings close sliding friction when making furnace cover lifting, it is ensured that air is not drawn into dust removal by ventilation pipeline 4.
In the present embodiment, described first connect end respectively with smoke end and the described bottom cigarette of described top pincer cover 2
The smoke end in road 6 against, described second connects end fixes with described dust removal by ventilation pipeline 4 and is connected.
Specifically, described first connects end is provided with the first ring flange, and described second connects end is provided with the second ring flange,
The smoke end of described top pincer cover 2 and the smoke end of described bell body are provided with three-flange dish, described dust removal by ventilation pipe
Road 4 is provided with the 4th ring flange, described first ring flange and three-flange dish against, the first ring flange and when furnace cover lifting
Three-flange dish sliding friction, described second ring flange and the 4th ring flange are bolted to connection.
In other embodiments, described first connect end respectively with smoke end and the described bottom of described top pincer cover 2
The smoke end of flue 6 is fixing to be connected, described second connect end and described dust removal by ventilation pipeline 4 against.
Specifically, described first connects end is provided with the first ring flange, and described second connects end is provided with the second ring flange,
The smoke end of described top pincer cover 2 and the smoke end of described bell body are provided with three-flange dish (going out of upper and lower
Cigarette end converges in three-flange Pan Chu, and and then converges to dust removal by ventilation pipeline 4 by dust removal by ventilation piping flexible connecting device 3
In), described dust removal by ventilation pipeline 4 is provided with the 4th ring flange, and described first ring flange and three-flange dish are bolted
Connect, described second ring flange and the 4th ring flange against, when furnace cover lifting, the second ring flange and the slip of the 4th ring flange rub
Wipe.
In the present embodiment, described bell body also includes petticoat pipe shirt rim 5 and bottom petticoat pipe 7, and the external diameter of petticoat pipe shirt rim 5 is big
External diameter in ladle mouth so that bell body can collect flue gas excessive at ladle mouth, the described central part of resistance to material 1 and top pincers
Shape cover 2 is each attached on described bottom petticoat pipe 7, and described petticoat pipe shirt rim 5 is fixing with described bottom petticoat pipe 7 to be connected, such as, and described cigarette
Overskirt limit 5 is welded with described bottom petticoat pipe 7, and described underflue 6 is fixed on the top of petticoat pipe shirt rim 7, and described petticoat pipe shirt rim 5 is pushed up
Portion is provided with outlet flue (not shown), and described underflue 6 connects with the outlet flue at top, petticoat pipe shirt rim 7.
Further, the top of described petticoat pipe shirt rim 5 is provided with the outlet flue of lattice-shaped, described underflue 6 and grid
The described outlet flue connection of shape.Specifically, the section of underflue 6 is bottomless annular square tube type, and petticoat pipe shirt rim 5 is in inverted
Cylindrical shape, its top is the ring surface in band raster hole, and this ring surface is provided with described outlet flue.Petticoat pipe shirt rim 5 and bottom cigarette
Cover 7 is all welded with boiler tube and seamless elbow.
Further, described petticoat pipe shirt rim 5 and bottom petticoat pipe 7 are water-cooling structure, only petticoat pipe shirt rim 5 and bottom petticoat pipe
7 is water-cooling structure, reduces the consumption of cooling water.
Further, the described central part of resistance to material 1 is positioned at the inside of pincerlike opening of described top pincer cover 1.
The invention provides the water cooled cover of a kind of ladle refining furnace, have simple in construction, reliable operation, easy and simple to handle,
The advantage such as energy-conservation, meets the requirement of malleation work in burner hearth, solves LF stove smoke event simultaneously, meet environmental requirement,
Specifically, this water cooled cover:
1, smelting process requirement is met, it is ensured that being malleation in burner hearth, ventilating and purifying air system the most directly aspirates in water cooled cover
Portion, flue dust is just pumped when overflowing in burner hearth；
2, energy-conservation: the pincerlike opening of top pincer cover is open, dust removal by ventilation pipeline is lowered the temperature without being blended into cold air,
Effectively reduce the power of ventilation blower；
3, consumption of electrode is reduced: flue gas is vented dust pelletizing system and sucks from the pincerlike opening level of top pincer cover 2, cold
Electrode is directly played cooling effect by wind.
Above are only the preferred embodiments of the present invention, the present invention is not played any restriction effect.Belonging to any
Those skilled in the art, in the range of without departing from technical scheme, to the technical scheme that the invention discloses and
Technology contents makes the variations such as any type of equivalent or amendment, all belongs to the content without departing from technical scheme, still
Within belonging to protection scope of the present invention.
Claims (10)
1. the water cooled cover of a ladle refining furnace, it is characterised in that including: the central part of resistance to material, top pincer cover, dust removal by ventilation
Piping flexible connecting device, dust removal by ventilation pipeline and bell body, the described central part of resistance to material is arranged on described bell body, described
The pincerlike opening of top pincer cover is for collecting the cigarette at the described central part of resistance to material place, and described bell body includes underflue,
The smoke end of described top pincer cover and the smoke end of described underflue are all flexible coupling dress by described dust removal by ventilation pipeline
Put and be connected with described dust removal by ventilation pipeline.
2. the water cooled cover of ladle refining furnace as claimed in claim 1, it is characterised in that described dust removal by ventilation pipeline is flexible coupling
Device includes the first connection end, the second connection end and is arranged on the flexible pipe between described first connection end and the second connection end
Body, described first connects end is connected with the smoke end of described top pincer cover and the smoke end of described underflue respectively, described
Second connects end is connected with described dust removal by ventilation pipeline.
3. the water cooled cover of ladle refining furnace as claimed in claim 2, it is characterised in that described first connect end respectively with institute
State the smoke end of top pincer cover and the smoke end of described underflue against, described second connects end and described dust removal by ventilation pipe
Road is fixing to be connected.
4. the water cooled cover of ladle refining furnace as claimed in claim 3, it is characterised in that described first connects end is provided with the
One ring flange, described second connects end is provided with the second ring flange, the smoke end of described top pincer cover and described bell body
Smoke end be provided with three-flange dish, described dust removal by ventilation pipeline is provided with the 4th ring flange, described first ring flange and
Three-flange dish against, described second ring flange and the 4th ring flange are bolted to connection.
5. the water cooled cover of ladle refining furnace as claimed in claim 2, it is characterised in that described first connect end respectively with institute
Stating the smoke end of top pincer cover and the fixing connection of smoke end of described underflue, described second connects end removes with described ventilation
Dirt pipeline against.
6. the water cooled cover of ladle refining furnace as claimed in claim 5, it is characterised in that described first connects end is provided with the
One ring flange, described second connects end is provided with the second ring flange, the smoke end of described top pincer cover and described bell body
Smoke end be provided with three-flange dish, described dust removal by ventilation pipeline is provided with the 4th ring flange, described first ring flange and
Three-flange dish is bolted to connection, described second ring flange and the 4th ring flange against.
7. the water cooled cover of ladle refining furnace as claimed in claim 1, it is characterised in that described bell body also includes petticoat pipe
Shirt rim and bottom petticoat pipe, the external diameter of described petticoat pipe shirt rim is more than the external diameter of ladle mouth, the described central part of resistance to material and top pincer cover
Being each attached on the petticoat pipe of described bottom, described petticoat pipe shirt rim is fixing with described bottom petticoat pipe to be connected, and described underflue is fixed on
The top of petticoat pipe shirt rim, top, described petticoat pipe shirt rim is provided with the smoke at outlet flue, described underflue and top, petticoat pipe shirt rim
Mouth connection.
8. the water cooled cover of ladle refining furnace as claimed in claim 7, it is characterised in that the top of described petticoat pipe shirt rim is arranged
The outlet flue of lattice-shaped, described underflue is had to connect with the described outlet flue of lattice-shaped.
9. the water cooled cover of ladle refining furnace as claimed in claim 7, it is characterised in that described petticoat pipe shirt rim and bottom petticoat pipe
It is water-cooling structure.
10. the water cooled cover of ladle refining furnace as claimed in claim 1, it is characterised in that the described central part of resistance to material is positioned at institute
State the inside of the pincerlike opening of top pincer cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610863761.9A CN106247801B (en) | 2016-09-29 | 2016-09-29 | A kind of water cooled cover of ladle refining furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610863761.9A CN106247801B (en) | 2016-09-29 | 2016-09-29 | A kind of water cooled cover of ladle refining furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106247801A true CN106247801A (en) | 2016-12-21 |
| CN106247801B CN106247801B (en) | 2019-04-12 |
Family
ID=57611053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610863761.9A Active CN106247801B (en) | 2016-09-29 | 2016-09-29 | A kind of water cooled cover of ladle refining furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106247801B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108344304A (en) * | 2018-03-27 | 2018-07-31 | 中国恩菲工程技术有限公司 | Metallurgy skirt shade assembly and the smelting system with it |
| CN108680004A (en) * | 2018-07-05 | 2018-10-19 | 中冶京诚工程技术有限公司 | A kind of electric arc furnaces |
| CN110438293A (en) * | 2019-08-27 | 2019-11-12 | 天津天钢联合特钢有限公司 | A kind of Water-cooling furnace cover of ladle refining furnace |
| CN112179145A (en) * | 2020-09-29 | 2021-01-05 | 宝钢工程技术集团有限公司 | Water-cooled furnace cover |
| CN116810151A (en) * | 2023-08-30 | 2023-09-29 | 靖江佳晟真空技术有限公司 | Water-cooling flange structure, welding device and welding method of water-cooling flange |
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| CN104907306A (en) * | 2015-06-16 | 2015-09-16 | 北方重工集团有限公司 | Retractable dust collecting cover |
| CN205473867U (en) * | 2016-03-08 | 2016-08-17 | 中冶南方工程技术有限公司 | LF stove dust pelletizing system |
| CN206056288U (en) * | 2016-09-29 | 2017-03-29 | 宝钢工程技术集团有限公司 | A kind of water cooled cover of ladle refining furnace |
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| US5999558A (en) * | 1998-08-13 | 1999-12-07 | Ucar Carbon Technology Corporation | Integral spray cooled furnace roof and fume elbow |
| CN102401563A (en) * | 2011-12-01 | 2012-04-04 | 宝钢工程技术集团有限公司 | Water-cooling furnace cover of ladle refining furnace with high-temperature camera shooting function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108344304A (en) * | 2018-03-27 | 2018-07-31 | 中国恩菲工程技术有限公司 | Metallurgy skirt shade assembly and the smelting system with it |
| CN108344304B (en) * | 2018-03-27 | 2023-08-25 | 中国恩菲工程技术有限公司 | Skirt cover component for metallurgy and smelting system with skirt cover component |
| CN108680004A (en) * | 2018-07-05 | 2018-10-19 | 中冶京诚工程技术有限公司 | A kind of electric arc furnaces |
| CN108680004B (en) * | 2018-07-05 | 2023-12-08 | 中冶京诚工程技术有限公司 | Electric arc furnace |
| CN110438293A (en) * | 2019-08-27 | 2019-11-12 | 天津天钢联合特钢有限公司 | A kind of Water-cooling furnace cover of ladle refining furnace |
| CN112179145A (en) * | 2020-09-29 | 2021-01-05 | 宝钢工程技术集团有限公司 | Water-cooled furnace cover |
| CN116810151A (en) * | 2023-08-30 | 2023-09-29 | 靖江佳晟真空技术有限公司 | Water-cooling flange structure, welding device and welding method of water-cooling flange |
| CN116810151B (en) * | 2023-08-30 | 2023-12-22 | 靖江佳晟真空技术有限公司 | Water-cooling flange structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106247801B (en) | 2019-04-12 |
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