CN103225958B - Water-cooling inert gas furnace cover - Google Patents
Water-cooling inert gas furnace cover Download PDFInfo
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- CN103225958B CN103225958B CN201310184854.5A CN201310184854A CN103225958B CN 103225958 B CN103225958 B CN 103225958B CN 201310184854 A CN201310184854 A CN 201310184854A CN 103225958 B CN103225958 B CN 103225958B
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Abstract
The invention discloses a water-cooling inert gas furnace cover. The water-cooling inert gas furnace cover comprises a furnace cover supporting frame, a furnace cover ring and an upper furnace cover hood, wherein the furnace cover ring is fixedly arranged on the furnace cover supporting frame; the upper furnace cover hood is fixedly arranged on the top end of the furnace cover ring and is provided with a main smoke discharge pipeline with a skirt hood branch flue; the bottom of the outer wall of the furnace cover ring is provided with a furnace cover skirt hood I, a furnace cover skirt hood II, a furnace cover skirt hood III, a first-layer flue and a second-layer flue; the first-layer flue is arranged between the furnace cover skirt hood I and the furnace cover skirt hood II, and the second-layer flue is arranged between the furnace cover skirt hood II and the furnace cover skirt hood III; and the first-layer flue is communicated with the interior of the furnace cover ring, the second-layer flue is communicated with the first-layer flue, and the main smoke discharge pipeline and the second-layer flue are communicated through the skirt hood branch flue. The water-cooling inert gas furnace cover provided by the invention has the advantage that smoke in a whole furnace and external air absorbed in the skirt hoods are uniformly pumped.
Description
Technical field
The invention belongs to LF stove (being ladle refining furnace) bell technical field, be specifically related to a kind of water-cooled noble gas bell.
Background technology
Water-cooled noble gas bell is the core key equipment for LF stove, and the 26S Proteasome Structure and Function of water-cooled noble gas bell directly affects LF stove liquid steel refining quality and dedusting, is positioned at ladle top, and can carries out lifting with the hositing mechanism of furnace roof during its work.
At present, the conventional water-cooled noble gas bell of LF stove of domestic steelshop as shown in Figure 1, furnace cover structure is the individual layer flue structure that covers on ladle mouth top, the individual layer flue of skirt cover is communicated with by the skirt cover branch road flue being positioned under the main smoke discharging pipe in bell top, and individual layer skirt cover flue bottom is provided with 1 annular smoking port.The extraneous air that partial fume in stove and skirt cover suck, directly imports main smoke discharging pipe by the skirt cover branch road flue with being connected under the main smoke discharging pipe in bell top and takes away.
The deficiency of its existence is: because skirt cover individual layer flue is not to be sealed passage, and only have a smoking port to be communicated with the main smoke discharging pipe in bell top, therefore very weak compared with the smoking ability of far-end from skirt cover branch road flue smoking port, sealing and dust removing effects while making the refining of LF stove reduce greatly, thereby directly affect LF stove liquid steel refining quality and dedusting.This shell cover individual layer flue top does not arrange the movable cleaning door of flue, cannot remove the inner flue dust of heaping of flue, makes flue gas circulation resistance damage larger.This bell top layer is set to monoblock type cooled plate, and this structure can only be applicable to medium and small LF stove water-cooled noble gas bell (as≤120tLF stove) refinery process.
Summary of the invention
In view of this, the object of this invention is to provide a kind of water-cooled noble gas bell, can guarantee compared with far-end, also to have smoking ability from skirt cover branch road flue smoking port, the extraneous air that flue gas in whole stove and skirt cover are sucked can evenly be taken away.
The object of the invention is to be achieved through the following technical solutions:
A kind of water-cooled noble gas bell, comprise bell support frame, bell ring and bell upper cover, described bell ring is fixedly installed on bell support frame, described bell upper cover is fixedly installed on bell ring top, described bell upper cover is provided with main smoke discharging pipe, on described main smoke discharging pipe, be provided with skirt cover branch road flue, described bell ring outer wall bottom is provided with bell skirt cover I, bell skirt cover II, bell skirt cover III, ground floor flue and second layer flue, described ground floor flue is arranged between bell skirt cover I and bell skirt cover II, described second layer flue arranges between bell skirt cover II and bell skirt cover III, described ground floor flue communicates with bell ring inside, described second layer flue communicates with ground floor flue, described main smoke discharging pipe communicates by skirt cover branch road flue with second layer flue,
Further, in described bell skirt cover I, be provided with annular smoking port, described ground floor flue communicates with bell ring inside by annular smoking port;
Further, in described bell skirt cover II, be provided with 3 rectangle smoking ports, described rectangle smoking port is distributed in bell skirt cover II, and described second layer flue communicates with ground floor flue by rectangle smoking port;
Further, in described bell skirt cover III, be provided with cleaning door, described cleaning door is provided with dismountable seal cover board;
Further, described bell ring is provided with on the end face of bell upper cover and is provided with fan-shaped cooled plate, is also provided with cooling water valve and for the thermocouple of temperature detection in described fan-shaped cooled plate;
Further, described water-cooled noble gas bell also comprises Z-shaped mounting bracket, described fan-shaped cooled plate is fixed on Z-shaped mounting bracket by connecting bolt, described bell skirt cover I, bell skirt cover II, bell skirt cover III, bell ring, Z-shaped mounting bracket and bell support frame are welded as a whole and form bell upper top cover, and described bell upper top cover is that bolt is connected with bell upper cover;
Further, described water-cooled noble gas bell also comprises waterbaffle I, waterbaffle II and hot-face insulation lining, described waterbaffle I and waterbaffle II be dismountable two ends that are arranged on bell upper cover respectively, described waterbaffle I and waterbaffle II are provided with for placing the circular hole of high temperature electrode, and described hot-face insulation lining is placed in respectively in the circular hole of waterbaffle I and waterbaffle II.
The invention has the beneficial effects as follows: water-cooled noble gas bell of the present invention adopts double-deck flue structure, during bell work, with cordless, cover ladle suitable for reading, under dedusting fan draft effect, flue gas is successively by ground floor flue, second layer flue and skirt cover branch road flue, finally by main smoke discharging pipe, discharge, the structure of two-layer flue can guarantee compared with far-end, also to have smoking ability from skirt cover branch road flue smoking port, and the extraneous air that flue gas in whole stove and skirt cover are sucked can evenly be taken away.
Other advantages of the present invention, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on will be apparent to those skilled in the art to investigating below, or can be instructed from the practice of the present invention.Target of the present invention and other advantages can be realized and be obtained by description below.
Accompanying drawing explanation
In order to make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the present invention is described in further detail, wherein:
Fig. 1 is domestic typical water cooled cover front view;
Fig. 2 is structural representation of the present invention;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is the B-B cutaway view of Fig. 2;
Fig. 5 is E-E cutaway view in Fig. 3;
Fig. 6 is F-F cutaway view in Fig. 3;
Fig. 7 is M-M cutaway view in Fig. 3.
The specific embodiment
Hereinafter with reference to accompanying drawing, the preferred embodiments of the present invention are described in detail.Should be appreciated that preferred embodiment is only for the present invention is described, rather than in order to limit the scope of the invention.
As shown in the figure, a kind of water-cooled noble gas bell, comprise bell support frame 10, bell ring 4 and bell upper cover 7, described bell ring 4 is fixedly installed on bell support frame 10, described bell upper cover 7 is fixedly installed on bell ring 4 tops, described bell upper cover 7 is provided with main smoke discharging pipe 11, on described main smoke discharging pipe 11, be provided with skirt cover branch road flue 12, described bell ring 4 outer wall bottoms are provided with bell skirt cover I 1, bell skirt cover II 2, bell skirt cover III 3, ground floor flue 13 and second layer flue 14, described ground floor flue 13 is arranged between bell skirt cover I 1 and bell skirt cover II 2, described second layer flue 14 arranges between bell skirt cover II 2 and bell skirt cover III 3, described ground floor flue 13 communicates with bell ring 4 inside, described second layer flue 14 communicates with ground floor flue 13, described main smoke discharging pipe 11 communicates by skirt cover branch road flue 12 with second layer flue 14.
In the present embodiment, water-cooled noble gas bell adopts double-deck flue structure, during bell work, with cordless, cover ladle 15 suitable for reading, under dedusting fan draft effect, flue gas is successively by ground floor flue 13, second layer flue 14 and skirt cover branch road flue 12, finally by main smoke discharging pipe 11, discharge, the structure of two-layer flue can guarantee compared with far-end, also to have smoking ability from skirt cover branch road flue smoking port 12a, and the air that flue gas in whole stove and skirt cover are sucked can evenly be taken away.
In the present embodiment, in described bell skirt cover I 1, be provided with annular smoking port 1a, described ground floor flue communicates with 1a bell ring inside by annular smoking port; Annular smoking port draught capacity is strong, and smoking effect is good, certainly in different embodiment, also can adopt the smoking port of its form.
In the present embodiment, in described bell skirt cover II 2, be provided with 3 rectangle smoking port 2a, described rectangle smoking port 2a is distributed in bell skirt cover II 2, and described second layer flue communicates with ground floor flue by rectangle smoking port, in the present embodiment, under dedusting fan draft effect, 3 rectangle smoking ports that enter in the flue gas utilization bell skirt cover II of ground floor flue enter second layer flue, because 3 rectangle smoking ports are evenly arranged, therefore the smoking port of skirt cover branch road flue and one of them smoking port of 3 rectangle smoking ports can be symmetrical arranged, so being equivalent to has a rectangle smoking port in the smoking port distal-most end from skirt cover branch road flue, such structure can guarantee that the air that flue gas in whole stove and skirt cover suck can evenly be taken away, certainly on the basis of two-layer flue structure, the shape of smoking port can also adopt other forms all can reach good smoke discharging effect with distribution.
In the present embodiment, in described bell skirt cover III 3, be provided with cleaning door 3a, described cleaning door is provided with dismountable seal cover board; The structure of the present embodiment can be good at removing the inner flue dust of heaping of flue, makes flue gas circulation resistance damage less.
In the present embodiment, described bell ring 4 is provided with on the end face of bell upper cover 7 and is provided with fan-shaped cooled plate 5, is also provided with cooling water valve and for the thermocouple of temperature detection in described fan-shaped cooled plate 5; In the present embodiment owing to being provided with the fan-shaped cooled plate 5 of polylith, therefore be specially adapted to large-scale LF stove (as >=300tLF stove) refinery process, in addition, each fan-shaped cooled plate has been installed thermocouple and the cooling water valve for temperature detection, by this valve regulated water yield, can make the fan-shaped cooled plate temperature of each piece approach consistent, to extend fan-shaped cooled plate working life.
In the present embodiment, described water-cooled noble gas bell also comprises Z-shaped mounting bracket 16, described fan-shaped cooled plate 5 is fixed on Z-shaped mounting bracket 16 by connecting bolt, described bell skirt cover I 1, bell skirt cover II 2, bell skirt cover III 3, bell ring 4, Z-shaped mounting bracket 16 and bell support frame 10 are welded as a whole and form bell upper top cover, and described bell upper top cover and bell upper cover 7 are connected for bolt; This bell upper top cover and bell upper cover are with bolts, can conveniently realize the difference field-strip of bell upper top cover and bell upper cover.
In the present embodiment, described water-cooled noble gas bell also comprises waterbaffle I 6, waterbaffle II 9 and hot-face insulation lining 8, described waterbaffle I 6 and waterbaffle II 9 be dismountable two ends that are arranged on bell upper cover 7 respectively, described waterbaffle I 6 and waterbaffle II 9 are provided with for placing the circular hole of high temperature electrode, and described hot-face insulation lining 8 is placed in respectively in the circular hole of waterbaffle I and waterbaffle II; Hot-face insulation lining is placed in respectively in the circular hole of waterbaffle I and waterbaffle II structure, can prevent the scaling loss of high temperature electrode to bell.
Finally explanation is, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from aim and the scope of the technical program, it all should be encompassed in the middle of claim scope of the present invention.
Claims (7)
1. a water-cooled noble gas bell, comprise bell support frame, bell ring and bell upper cover, described bell ring is fixedly installed on bell support frame, described bell upper cover is fixedly installed on bell ring top, described bell upper cover is provided with main smoke discharging pipe, on described main smoke discharging pipe, be provided with skirt cover branch road flue, it is characterized in that: described bell ring outer wall bottom is provided with bell skirt cover I, bell skirt cover II, bell skirt cover III, ground floor flue and second layer flue, described ground floor flue is arranged between bell skirt cover I and bell skirt cover II, described second layer flue arranges between bell skirt cover II and bell skirt cover III, described ground floor flue communicates with bell ring inside, described second layer flue communicates with ground floor flue, described main smoke discharging pipe communicates by skirt cover branch road flue with second layer flue.
2. water-cooled noble gas bell according to claim 1, is characterized in that: in described bell skirt cover I, be provided with annular smoking port, described ground floor flue communicates with bell ring inside by annular smoking port.
3. water-cooled noble gas bell according to claim 1, it is characterized in that: in described bell skirt cover II, be provided with 3 rectangle smoking ports, described rectangle smoking port is distributed in bell skirt cover II, and described second layer flue communicates with ground floor flue by rectangle smoking port.
4. water-cooled noble gas bell according to claim 1, is characterized in that: in described bell skirt cover III, be provided with cleaning door, described cleaning door is provided with dismountable seal cover board.
5. water-cooled noble gas bell according to claim 1, is characterized in that: described bell ring is provided with on the end face of bell upper cover and is provided with fan-shaped cooled plate, is also provided with cooling water valve and for the thermocouple of temperature detection in described fan-shaped cooled plate.
6. water-cooled noble gas bell according to claim 5, it is characterized in that: also comprise Z-shaped mounting bracket, described fan-shaped cooled plate is fixed on Z-shaped mounting bracket by connecting bolt, described bell skirt cover I, bell skirt cover II, bell skirt cover III, bell ring, Z-shaped mounting bracket and bell support frame are welded as a whole and form bell upper top cover, and described bell upper top cover is that bolt is connected with bell upper cover.
7. water-cooled noble gas bell according to claim 5, it is characterized in that: also comprise waterbaffle I, waterbaffle II and hot-face insulation lining, described waterbaffle I and waterbaffle II be dismountable two ends that are arranged on bell upper cover respectively, described waterbaffle I and waterbaffle II are provided with for placing the circular hole of high temperature electrode, and described hot-face insulation lining is placed in respectively in the circular hole of waterbaffle I and waterbaffle II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310184854.5A CN103225958B (en) | 2013-05-17 | 2013-05-17 | Water-cooling inert gas furnace cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310184854.5A CN103225958B (en) | 2013-05-17 | 2013-05-17 | Water-cooling inert gas furnace cover |
Publications (2)
| Publication Number | Publication Date |
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| CN103225958A CN103225958A (en) | 2013-07-31 |
| CN103225958B true CN103225958B (en) | 2014-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310184854.5A Active CN103225958B (en) | 2013-05-17 | 2013-05-17 | Water-cooling inert gas furnace cover |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106399624A (en) * | 2016-06-12 | 2017-02-15 | 江苏永钢集团有限公司 | Ladle refining furnace water-cooling furnace cover |
| CN108344306A (en) * | 2018-03-27 | 2018-07-31 | 中国恩菲工程技术有限公司 | Skirt cover and smelting system with it |
| CN110388833B (en) * | 2019-08-23 | 2020-06-23 | 山东保蓝环保工程有限公司 | A gas cleaning takes off white processing system for steel refining 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 |
| CN113106195A (en) * | 2021-04-16 | 2021-07-13 | 山东钢铁集团日照有限公司 | LF refining ladle is wrapped along smoke and dust entrapment cover |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2943244C2 (en) * | 1979-10-26 | 1983-01-05 | Mannesmann AG, 4000 Düsseldorf | Vessel lid for a metal melting furnace, in particular an electric arc furnace |
| DE8235356U1 (en) * | 1982-12-16 | 1983-05-11 | M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 4200 Oberhausen | VESSEL FOR A MELTING STOVE |
| JPH0395391A (en) * | 1989-09-06 | 1991-04-19 | Daido Steel Co Ltd | Furnace cover |
| US5241559A (en) * | 1992-03-30 | 1993-08-31 | Emc International, Inc. | Electric arc furnace roof |
| CN201228270Y (en) * | 2008-05-07 | 2009-04-29 | 攀枝花新钢钒股份有限公司 | Smoking pipe and water cooling furnace lid including the same |
| CN201569296U (en) * | 2009-11-10 | 2010-09-01 | 攀钢集团攀枝花钢钒有限公司 | Water-cooling furnace cover |
| CN201548055U (en) * | 2009-12-11 | 2010-08-11 | 攀枝花新钢钒股份有限公司 | Cooling furnace cover of LF furnace |
| CN201653154U (en) * | 2010-03-24 | 2010-11-24 | 宝山钢铁股份有限公司 | Furnace cover of LF furnace |
| CN201852459U (en) * | 2010-09-08 | 2011-06-01 | 鞍钢股份有限公司 | Novel water cooled furnace cover |
| CN102401563B (en) * | 2011-12-01 | 2014-01-01 | 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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2013
- 2013-05-17 CN CN201310184854.5A patent/CN103225958B/en active Active
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