CN203501803U - Electric furnace and electrode sealing device of electric furnace - Google Patents

Electric furnace and electrode sealing device of electric furnace Download PDF

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Publication number
CN203501803U
CN203501803U CN201320433023.2U CN201320433023U CN203501803U CN 203501803 U CN203501803 U CN 203501803U CN 201320433023 U CN201320433023 U CN 201320433023U CN 203501803 U CN203501803 U CN 203501803U
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CN
China
Prior art keywords
electrode
electric furnace
sealing
seal
caliber end
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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.)
Expired - Fee Related
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CN201320433023.2U
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Chinese (zh)
Inventor
肖军
张继东
韩可喜
缪辉俊
赵青娥
李凯茂
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Pangang Group Panzhihua Iron and Steel Research Institute Co Ltd
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Pangang Group Panzhihua Iron and Steel Research Institute Co Ltd
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Priority to CN201320433023.2U priority Critical patent/CN203501803U/en
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Publication of CN203501803U publication Critical patent/CN203501803U/en
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Abstract

The utility model provides an electric furnace and an electrode sealing device of the electric furnace. The electrode sealing device of the electric furnace comprises a first stage sealing unit and a second stage sealing unit, wherein the first stage sealing unit is arranged on a furnace cover around an electrode, the second stage sealing unit comprises an elastic component and a sealing element, the sealing element is arranged around the electrode and comprises a large caliber end, a small caliber end and a conical inner surface, the caliber inner surface is formed between the large caliber end and the small caliber end, the large caliber end of the sealing element is connected with the first stage sealing unit in a sealed way, the small caliber end of the sealing element is tightly pasted on the outer surface of the electrode, a sealing cavity is formed between the conical inner surface of the sealing element and the outer surface of the electrode, the elastic component is arranged between the conical inner surface of the sealing element and the first stage sealing element, and through the elastic component, the small caliber end of the sealing element can maintain the tight pasting state with the electrode. The electrode sealing device of the electric furnace has the advantages that the automatic sealing state variation along with the electrode movement and deformation can be realized, and a better sealing effect is reached.

Description

A kind of electric furnace and electrode seals thereof
Technical field
The utility model relates to electric furnace smelting apparatus field, more particularly, relates to a kind of electric furnace and is arranged on the electrode seals on electric furnace.
Background technology
At present, titanium slag smelting industry is fast-developing in China, and all size type electric furnace is built in succession.Be accompanied by the development of titanium slag smelting industry, electrode Sealing Technology becomes the key factor that impact is smelted.The good airtight control of furnace pressure and the leakage problem of CO of being directly connected between electrode and bell, electrode sealing is bad also may cause bell the leap up bad equipment of burning and related elements.The many employings of Present Domestic arrange brasses and seal between bell and electrode, and sealing effectiveness is not good, and maintenance cost is high.
Utility model content
For prior art above shortcomings, the purpose of this utility model is to solve the one or more problems that exist in above-mentioned prior art.
For example, one of the utility model object is to provide a kind of can realize the sealing in gap between bell and electrode effectively, and can independently change sealing state when electrode movement and deformation, reaches electric furnace and the electrode seals thereof of better sealing effectiveness.
One side of the present utility model provides a kind of electric furnace electrode sealing device sealing for the gap between electrode and bell.Described electric furnace electrode sealing device comprises first order sealing unit and second level sealing unit, and wherein, described first order sealing unit is arranged on bell around electrode, for the gap between bell and electrode, forms first order sealing and electrode is led; Described second level sealing unit comprises elastic component and the seal arranging around electrode, described seal comprises heavy caliber end, small-caliber end and is formed on the cone-shaped inner surface between described heavy caliber end and small-caliber end, the heavy caliber end of described seal and described first order sealing unit are tightly connected, the small-caliber end of described seal fits tightly on the outer surface of electrode, between the cone-shaped inner surface of described seal and electrode outer surface, forms annular seal space; Described elastic component is arranged between the cone-shaped inner surface and first order sealing unit of seal, and by described elastic component, the small-caliber end of described seal and electrode can keep the state fitting tightly constantly.
Of the present utility modelly provide on the other hand a kind of electric furnace.Described electric furnace comprises electrode, bell and electrode seals as above.
Compared with prior art, the beneficial effects of the utility model comprise:
(1) have two-stage sealing, the single brasses sealing than traditional, more effectively realizes the sealing in gap between bell and electrode, prevents a large amount of leakages of CO and the bell fire of leaping up, relevant device on protection bell.
Between water cooled seal plate and base by elastic component is set, the moment of realizing between sealing plate and electrode combines closely, while utilizing pulling force that elastic component produces to guarantee that electrode moves back and forth or deformation occurs, sealing plate is pulled and is close to electrode.Be that electrode seals of the present utility model can be realized with electrode movement and deformation and independently change sealing state, reach better sealing effectiveness.
Accompanying drawing explanation
By the description of carrying out below in conjunction with accompanying drawing, above and other object of the present utility model and feature will become apparent, wherein:
Fig. 1 shows the main TV structure schematic diagram according to the electric furnace electrode sealing device of the utility model exemplary embodiment.
Fig. 2 shows according to the plan structure schematic diagram of base in the electric furnace electrode sealing device of the utility model exemplary embodiment.
Fig. 3 shows according to the part master of seal in the electric furnace electrode sealing device of the utility model exemplary embodiment and rotatable bearing junction and looks enlarged drawing.
Description of reference numerals is as follows:
1, electrode 2, rotatable contact head 3, seal 4, brute spring (spring) 5, rotatable bearing 5a, screw rod 5b, support 5c, attachment fastener 5d, ceramic bend pipe 6, base 6a, water cooling tube interface 6b, pedestal water-cooling channel 6c, pedestal adpting flange 6d, ring flange.
The specific embodiment
Hereinafter, in connection with exemplary embodiment, describe electric furnace of the present utility model and electrode seals thereof in detail.
According to the utility model electric furnace electrode sealing device on the one hand, comprise first order sealing unit and second level sealing unit.Wherein, first order sealing unit is arranged on bell around electrode, for the gap between bell and electrode, forms first order sealing and electrode is led.Second level sealing unit comprises elastic component and the seal arranging around electrode.Seal comprises heavy caliber end, small-caliber end and is formed on the cone-shaped inner surface between described heavy caliber end and small-caliber end, heavy caliber end and the first order sealing unit of seal are tightly connected, the small-caliber end of seal fits tightly on the outer surface of electrode, between the cone-shaped inner surface of seal and electrode outer surface, forms annular seal space.Elastic component is arranged between the cone-shaped inner surface and first order sealing unit of seal, and for example, by described elastic component (, spring), the small-caliber end of seal and electrode can keep the state fitting tightly constantly.
In a preferred exemplary embodiment of the present utility model, first order sealing unit comprises the base with inner chamber, internal face and the electrode of described base fit tightly, the lower surface of described base be arranged on bell and seal up bell and electrode between gap.Adopt that above-mentioned understructure is enough has formed first order sealing to the gap between electrode and bell, avoid the leakage of CO and the bell fire of leaping up.Certainly, first order sealing unit can also adopt conventional seal guide sleeve structure, for example, and brasses.
In another preferred exemplary embodiment of the present utility model, for ease of by floor installation around electrode, base can be spliced by polylith pedestal.In addition, on polylith pedestal, can be provided with independently water-cooling channel, wherein, the water-cooling channel on each piece pedestal all has cooling water outlet and inlet, is provided with insulation spacer (for example, mica spacer) between the Mosaic face of polylith pedestal.
In another preferred exemplary embodiment of the present utility model, described electric furnace electrode sealing device can also comprise the rotatable contact head being arranged on seal small-caliber end, this rotatable contact head is flexibly connected with seal so that rotatable contact head can rotate, and then make the outer surface sliding-contact of rotatable contact head and electrode, reduce electrode and move back and forth the wearing and tearing to equipment.
In another preferred exemplary embodiment of the present utility model, seal can by polylith independently sealing plate be spliced.
In another preferred exemplary embodiment of the present utility model, the heavy caliber end of described seal is connected with first order sealing unit by rotatable bearing.Rotatable bearing comprises support and rotary body, one end of support is fixed on first order sealing unit, the other end of support is flexibly connected with rotary body, the heavy caliber end of described seal be connected on rotary body and can along with rotary body rotate together so that near or away from electrode.Adopt after rotatable seat structure, when safeguarding and overhaul, seal can be rotated along the direction away from electrode, so that inspection and maintenance.
In another preferred exemplary embodiment of the present utility model, on described sealing plate, be provided with the tank loop for water-cooled, and between the Mosaic face of polylith sealing plate, be provided with insulation spacer (for example, mica spacer).
According to of the present utility model, provide on the other hand a kind of electric furnace, comprised electrode, bell and electrode seals as above.
Below, describe with reference to the accompanying drawings exemplary embodiment of the present utility model in detail.
Fig. 1 shows the main TV structure schematic diagram according to the electric furnace electrode sealing device of the utility model exemplary embodiment.Fig. 2 shows according to the plan structure schematic diagram of base in the electric furnace electrode sealing device of the utility model exemplary embodiment.Fig. 3 shows according to the part master of seal in the electric furnace electrode sealing device of the utility model exemplary embodiment and rotatable bearing junction and looks enlarged drawing.
As shown in Figure 1 to Figure 3, in an exemplary embodiment of the present utility model, electric furnace comprises bell (not shown) and electrode 1, rotatable contact head 2, seal 3, brute spring 4, rotatable bearing 5 and base 6.Wherein, rotatable bearing 5 comprises screw rod 5a, support 5b, attachment fastener 5c and ceramic bend pipe (rotary body) 5d.Base 6 comprises water cooling tube interface 6a, pedestal water-cooling channel 6b, pedestal adpting flange 6c, ring flange 6d.
Wherein, base 6 is cylindrical, and this cylinder base is around electrode setting, and the internal face of base 6 and the laminating of electrode intimate, and the lower surface of base 6 adopts ring flange 6d to be connected with bell with nut, at connecting portion, is provided with insulation spacer.In the present embodiment, cylinder base 6 is spliced by five pieces watts of shape pedestals, is connected, and between the Mosaic face of pedestal, adds mica spacer and do insulation processing between five pedestals by adpting flange 6c with nut.On five pedestals, be provided with independently tubulose water-cooling channel 6b, wherein, the water-cooling channel 6b on each piece pedestal all has the water cooling tube interface 6a connecting in outside water cooling tube.
(for example, welding) fixed in one end of the support 5b of rotatable bearing 5, and, on the upper surface of base 6, ceramic bend pipe 5d is connected on the other end of support 5b by screw rod 5a, so that this ceramic bend pipe 5d can rotate.While adopting above-mentioned supporting structure, for the gap forming between support, sealing plate can be set between support, certainly, the utility model is not limited to this, for example, sealing plate and support can also be made to integral piece.
It is conical that seal 3 is roughly, and is fan-shaped water cooled seal plate forms by five, and in the present embodiment, water cooled seal plate adopts internal welding to be connected to the corrosion resistant plate in tank loop.Between the Mosaic face of five blocks of water cooled seal plates, be provided with mica spacer and do insulation processing.It is upper that the lower end of water cooled seal plate is connected to ceramic bend pipe 5d by attachment fastener 5c, and can along with ceramic bend pipe 5d rotate together so that near or away from electrode 1.The upper end of water cooled seal plate is flexibly connected so that rotatable contact head 2 can rotate with rotatable contact head 2, and then makes the outer surface sliding-contact of rotatable contact head and electrode.In the present embodiment, rotatable contact head 2 adopts the version of above-mentioned ceramic bend pipe.
On water cooled seal plate and base, be respectively arranged with prefabricated link, brute spring 4 is connected between water cooled seal plate and base by described prefabricated link.4 pairs of whole water cooled seal plates of spring form pulling force is attached on electrode it, can change form with electrode movement and increase sealing effectiveness.
Device of the present utility model forms the first order by 7 pairs of electrodes of base and seals, and electrode is had to certain guide effect.For the electrode of existing seal guide sleeve, can be directly at its each member (spring, water cooled seal plate, rotatable bearing and rotatable contact head) of increase second level sealing unit.Second level sealing unit seals to form by the surface that forces a side pressure of the seal of a plurality of water cooled seal plates formations electrode, when electrode movement or deformation, spring is drawing water cooled seal plate and is constantly being close on electrode surface, overcome electrode movement process and the issuable gap of electrode deformation, realized better sealing function.In addition, in one end of water cooled seal plate and electrode contact, arrange after rotatable contact head, can effectively reduce electrode and move back and forth the wearing and tearing to equipment (sealing plate, electrode), and avoid the danger blocked.Arrange after rotatable bearing, when safeguarding and overhaul, water cooled seal plate can be rotated along the direction away from electrode, so that inspection and maintenance.Can find out, this device have two-stage sealing, good sealing effect, cost low, safeguard the features such as simple, can be widely used in the electrode sealing of all kinds of electric furnaces.
Although above by having described the utility model in conjunction with exemplary embodiment, but those skilled in the art should be clear, in the situation that do not depart from the spirit and scope that claim limits, can carry out various modifications and change to exemplary embodiment of the present utility model.

Claims (9)

1. an electric furnace electrode sealing device, described electric furnace electrode sealing device, for the gap between electrode and bell is sealed, is characterized in that, described electric furnace electrode sealing device comprises first order sealing unit and second level sealing unit, wherein,
Described first order sealing unit is arranged on bell around electrode, for the gap between bell and electrode, forms first order sealing and electrode is led;
Described second level sealing unit comprises elastic component and the seal arranging around electrode, described seal comprises heavy caliber end, small-caliber end and is formed on the cone-shaped inner surface between described heavy caliber end and small-caliber end, the heavy caliber end of described seal and described first order sealing unit are tightly connected, the small-caliber end of described seal fits tightly on the outer surface of electrode, between the cone-shaped inner surface of described seal and electrode outer surface, forms annular seal space; Described elastic component is arranged between the cone-shaped inner surface and first order sealing unit of seal, and by described elastic component, the small-caliber end of described seal and electrode can keep the state fitting tightly constantly.
2. electric furnace electrode sealing device according to claim 1, it is characterized in that, described electric furnace electrode sealing device also comprises the rotatable contact head being arranged on described seal small-caliber end, described rotatable contact head is flexibly connected with described seal so that described rotatable contact head can rotate, and then makes the outer surface sliding-contact of described rotatable contact head and electrode.
3. electric furnace electrode sealing device according to claim 1, is characterized in that, described seal by polylith independently sealing plate be spliced.
4. electric furnace electrode sealing device according to claim 3, it is characterized in that, the heavy caliber end of described seal is connected with described first order sealing unit by rotatable bearing, described rotatable bearing comprises support and rotary body, one end of described support is fixed on described first order sealing unit, the other end of described support is flexibly connected with rotary body, described sealing plate be connected on described rotary body and can along with rotary body rotate together so that near or away from electrode.
5. electric furnace electrode sealing device according to claim 3, is characterized in that, is provided with the tank loop for water-cooled on described sealing plate, and is provided with insulation spacer between the Mosaic face of described polylith sealing plate.
6. electric furnace electrode sealing device according to claim 1, it is characterized in that, described first order sealing unit comprises the base with inner chamber, and internal face and the electrode of described base fit tightly, the lower surface of described base be arranged on bell and seal up bell and electrode between gap.
7. electric furnace electrode sealing device according to claim 6, is characterized in that, described base is spliced by polylith pedestal.
8. electric furnace electrode sealing device according to claim 7, it is characterized in that, on described polylith pedestal, be provided with independently water-cooling channel, wherein, water-cooling channel on each piece pedestal all has cooling water outlet and inlet, and is provided with insulation spacer between the Mosaic face of described polylith pedestal.
9. an electric furnace, comprises electrode and bell, it is characterized in that, described electric furnace also comprises the electrode seals as described in claim 1 to 8 any one.
CN201320433023.2U 2013-07-19 2013-07-19 Electric furnace and electrode sealing device of electric furnace Expired - Fee Related CN203501803U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320433023.2U CN203501803U (en) 2013-07-19 2013-07-19 Electric furnace and electrode sealing device of electric furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320433023.2U CN203501803U (en) 2013-07-19 2013-07-19 Electric furnace and electrode sealing device of electric furnace

Publications (1)

Publication Number Publication Date
CN203501803U true CN203501803U (en) 2014-03-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320433023.2U Expired - Fee Related CN203501803U (en) 2013-07-19 2013-07-19 Electric furnace and electrode sealing device of electric furnace

Country Status (1)

Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106461335A (en) * 2014-04-28 2017-02-22 哈奇有限公司 Sleeve seal for electric furnace electrodes
US10259084B2 (en) 2013-10-08 2019-04-16 Hatch Ltd. Furnace cooling system with thermally conductive joints between cooling elements

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10259084B2 (en) 2013-10-08 2019-04-16 Hatch Ltd. Furnace cooling system with thermally conductive joints between cooling elements
CN106461335A (en) * 2014-04-28 2017-02-22 哈奇有限公司 Sleeve seal for electric furnace electrodes
US10100930B2 (en) 2014-04-28 2018-10-16 Hatch Ltd. Sleeve seal for electric furnace electrodes
CN106461335B (en) * 2014-04-28 2018-11-30 哈奇有限公司 Sleeve seal for electric furnace electrode

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Granted publication date: 20140326

Termination date: 20160719