CN204570007U - A kind of end tank box structure for electroslag remelting furnace - Google Patents

A kind of end tank box structure for electroslag remelting furnace Download PDF

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Publication number
CN204570007U
CN204570007U CN201520302529.9U CN201520302529U CN204570007U CN 204570007 U CN204570007 U CN 204570007U CN 201520302529 U CN201520302529 U CN 201520302529U CN 204570007 U CN204570007 U CN 204570007U
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CN
China
Prior art keywords
water
casing
spiral deflector
copper coin
flow
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Expired - Fee Related
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CN201520302529.9U
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Chinese (zh)
Inventor
吴建军
陈沈云
肖都跃
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Chongqing Iron and Steel Group Co Ltd
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Chongqing Iron and Steel Group Co Ltd
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Priority to CN201520302529.9U priority Critical patent/CN204570007U/en
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Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a kind of end tank box structure for electroslag remelting furnace, comprise casing, body side is communicated with and is provided with water inlet pipe and rising pipe, casing upper end open and be formed with the end water tank panel of rectangle frame plate structure to surrounding horizontal-extending at opening part; It is characterized in that, box house is also provided with water coolant flow-guiding structure for making the eddying flow of water coolant formation from casing center to surrounding.It is simple that the utility model has structure, can improve cooling efficiency and heat exchange homogeneity, extends the advantages such as copper coin work-ing life.

Description

A kind of end tank box structure for electroslag remelting furnace
Technical field
The utility model relates to a kind of electroslag remelting furnace, particularly relates to a kind of end tank box structure for electroslag remelting furnace.
Background technology
Electroslag remelting furnace is a kind of equipment of electric slag refusion and smelting.Electroslag smelting arranges to fill the slag bath treating melting above water mold, adopts terminal clamp to clamp cylindrical electrode, and allow electrode, slag bath, metal pool, steel ingot, end water tank can form current circuit by short net wire and transformer.When carrying out electroslag smelting, first this electrode is inserted in slag away from the end of electroslag smelting terminal clamp, be energized to electrode subsequently, in galvanization, electrode and slag bath release joule heating, by the scraps fusing in slag bath, molten metal pools liquid state, through slag bath, falls into crystallizer and forms metal pool, and simultaneously by water-cooled effect, quick solidification forms steel ingot.Before ingot solidification, the metal pool above it and slag bath, play insulation and feeding effect, ensures the compactness of steel ingot.In smelting process, crystallizer inwall is formed with the thin skull of one deck, not only makes surface of steel ingot bright and clean, also play insulation and heat-blocking action, more heat lower portion is conducted, is conducive to steel ingot crystallographic orientation from bottom to top.Based on above reason, the ingot quality produced by electroslag smelting is good, performance is excellent, and the plasticity under the low temperature of steel alloy, room temperature and high temperature and impelling strength strengthen, and steel extend work-ing life, therefore electroslag smelting technique is extensively promoted the use of in the industry.
In existing electroslag smelting processing unit, on end water tank and end water tank, copper coin (end water tank copper coin covers above end water tank) is the vitals of electroslag furnace, but copper coin poor rigidity, because of inequality of being heated, volatility, easily punctures, and is consumable accessory.In existing electroslag remelting furnace, described end tank parts structure is generally as follows, comprise casing, body side connection is provided with water inlet pipe and rising pipe, casing upper end open and be wholely set the end water tank panel of rectangle frame plate structure to surrounding horizontal-extending at opening part, end water tank panel upper surface is equipped with the rubber gasket of rectangle frame plate structure, covers again and be provided with flat copper coin above rubber gasket.End water tank panel, between rubber gasket and copper coin, peripheral position is corresponding is throughly provided with a circle screw and is fixedly connected with by tightening screw.The position distribution of such rubber gasket, end water tank panel and copper coin three upper the screw quantity, screw size and the screw that design must just the samely could be exchanged.But it is high that this frame mode not only causes copper coin to add work cost of manufacture on the one hand, long processing time, and the copper coin of the follow-up replacing of each block of consumable accessory all will reach corresponding working accuracy could exchange use, very high requirement is all existed to the Position Design of the screw quantity of the upper design of rubber gasket, end water tank panel and copper coin three, screw size and screw and working accuracy.And copper coin surface screw is many, uses rear easy distortion, is difficult to the requirement reaching two-sided use.Like this, copper coin is high-precision consumable accessory, there is processing request high, and cost is high, and the defect of length consuming time, affects production schedule.Meanwhile, in routine maintenance, end water tank is generally arranged on smelts bottom, hole, position is narrow, when need end water tank copper coin be changed and be keeped in repair, and tension-type fastening means dismounting inconvenience, change copper coin length consuming time, safeguard inconvenience, have a strong impact on electroslag furnace normal production.In addition, cisten mechanism of the existing this end, water coolant is poor in casing internal mobility, there is the defect that cooling performance is poor.
Utility model content
For above-mentioned the deficiencies in the prior art, technical problem to be solved in the utility model is: how to provide a kind of structure simple, can improve the end tank box structure for electroslag remelting furnace of cooling efficiency and heat exchange homogeneity.
In order to solve the problems of the technologies described above, the utility model have employed following technical scheme:
For an end tank box structure for electroslag remelting furnace, comprise casing, body side is communicated with and is provided with water inlet pipe and rising pipe, casing upper end open and be formed with the end water tank panel of rectangle frame plate structure to surrounding horizontal-extending at opening part; It is characterized in that, box house is also provided with water coolant flow-guiding structure for making the eddying flow of water coolant formation from casing center to surrounding.
Like this, the water coolant flow-guiding structure of setting can make the eddying flow of water coolant formation from casing center to surrounding, can improve heat exchange homogeneity and improve water coolant utilising efficiency.
As optimization, water coolant flow-guiding structure comprises and is positioned at casing inner bottom surface and vertically arranges and spiral spiral deflector, leave the space for current flowing above spiral deflector upper surface and casing between copper coin lower surface, spiral deflector is centrally located at casing inner bottom surface medium position and water inlet pipe end extends to spiral deflector central position.
Like this, spiral deflector can guide current to be formed in the middle part of water tank to the helicoidal flow of both sides well, current water inlet and flow direction and copper coin produce thermal temperature Region Matching, produce heat transfer effect better, improve water tank cooling efficiency and cooling uniformity coefficient, prevent copper coin to be heated inequality and being out of shape better.
As optimization, described spiral deflector sidewall is fixedly installed water eliminator along self extending spirally direction uniform intervals, water eliminator upper end is obliquely installed to flow reversal direction, water eliminator side is fixed on spiral deflector, leaves the space for water flow between opposite side and the spiral deflector of correspondence.Such water eliminator can cause stream and formed local vortex, improve heat exchanger effectiveness better.During concrete enforcement, spiral deflector and water eliminator are stainless steel and obtain, and on the one hand can prevent corrosion, generate incrustation scale, also can extend water tank work-ing life.
In sum, it is simple that the utility model has structure, can improve cooling efficiency and heat exchange homogeneity, extends the advantages such as copper coin work-ing life.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation that have employed the esr furnace bottom water tank of the utility model structure.
Fig. 2 is the structural blast schematic diagram of Fig. 1.
Fig. 3 is the structural representation of independent casing part in Fig. 1.
Embodiment
The utility model is described in further detail for the esr furnace bottom water tank that have employed the utility model structure below in conjunction with a kind of and accompanying drawing thereof.
During concrete enforcement: as Figure 1-3, a kind of esr furnace bottom water tank that have employed the utility model structure, comprise casing 2, the connection of casing 2 side is provided with water inlet pipe 4 and rising pipe 5, casing 2 upper end open and be formed with the end water tank panel 8 of rectangle frame plate structure to surrounding horizontal-extending at opening part, end water tank panel 8 upper surface correspondence is equipped with the rubber gasket 6 of rectangle frame plate structure, covers again and be provided with flat copper coin 3 above rubber gasket 6; Also be provided with above copper coin 3 and be fixed mechanism for realizing being fixed copper coin and rubber gasket, casing 2 inside is also provided with water coolant flow-guiding structure and forms eddying flow from casing center to surrounding for making water coolant.
Like this, adopt and be fixed mechanism from top realization being fixed copper coin, realize fixing frame mode with existing employing tightening screw through copper coin, rubber gasket and end water tank panel to compare, can not produce because bolt is through the problem causing after Mnltilayered structures distortion being difficult to dismantle, be easy to remove and repair.Copper coin surface is without the need to arranging the bolt hole of too much high-precision requirement simultaneously, and reduce requirement component being arranged to precision, copper coin is after whole plate structure, not only accuracy requirement reduces, and self non-deformability increases, during repair and replacement, copper coin can realize turning over conversion surface continuation use, reduces cost.Meanwhile, the water coolant flow-guiding structure of setting can make the eddying flow of water coolant formation from casing center to surrounding, can improve water coolant utilising efficiency like this.
Wherein, the described mechanism that is fixed comprises a compression web member 1, compress web member 1 lower end to be connected with casing 2 and load, compress the mounting plate that corresponding rubber gasket 6 top position, web member 1 upper end has the horizontal rectangular skeleton construction of a coupling, on mounting plate, corresponding rubber gasket is vertically provided with a circle threaded hole 7, in threaded hole under be connected with push bolt 13, push bolt 13 lower end is connected to copper coin 3 upper surface and realizes being fixed copper coin 3 and rubber gasket 6.
Like this, during use, only need rotatably compress bolt and its lower surface and copper coin be pushed against can realize being fixed, there is structure simple, advantage convenient to use.During concrete enforcement, compress the threaded hole uniform intervals arrangement separately of four sides on web member mounting plate, convenient compression force balance.During concrete enforcement, the screw thread of threaded hole and push bolt preferably adopts closely-pitched to design, and improves load effect.
Wherein, described mounting plate two ends are folded to extend internally and form articulated end and form described compression web member 1 after downward-extension, and articulated end is used for and water tank panel lower surface mounting in the end coordinates fixing.Like this, compress web member from as independent dismountable structure formation, facilitate self repair and maintenance and replacing.
Wherein, the push bolt 13 above described mounting plate is also arranged with a set nut (not shown).Like this, after push bolt is fixed, set nut can be leaned on locked for push bolt fixing, can prevent water tank copper coin inequality of being in use heated from causing push bolt to loosen further.
Wherein, the insulating mat of hard is provided with between described push bolt 13 lower end head and copper coin 3 upper surface.Like this, can prevent when ensureing snap-in force the end water tank from use producing with push bolt end further and beat arc, and damage box-like body compressing structure part upper screwed hole tooth line, increase the service life.During concrete enforcement, insulating mat can directly be bonded and fixed on push bolt lower surface, easy to use.
Wherein, water tank panel of the described end, rubber gasket and copper coin phase the same side are symmetrically arranged with two groups of vertically through pilot holes 14 near side edge along this side midperpendicular, are combined with the location (not shown) that pilot pin realizes three in pilot hole.Like this, during installation, first can lean on the location that pilot hole and pilot pin realize end water tank panel, rubber gasket and copper coin three, and then the pressured mechanism that fastens realizes being fixed.Make its convenient assembling.Pilot hole is symmetrically arranged two groups, and after facilitating copper coin turn-over, secondary uses.
Wherein, water coolant flow-guiding structure comprises and is positioned at casing inner bottom surface and vertically arranges and spiral spiral deflector 9, leave the space for current flowing above spiral deflector 9 upper surface and casing between copper coin lower surface, spiral deflector 9 is centrally located at casing 2 inner bottom surface medium position and water inlet pipe end extends to spiral deflector central position.
Like this, spiral deflector can guide current to be formed in the middle part of water tank to the helicoidal flow of both sides well, current water inlet and flow direction and copper coin produce thermal temperature Region Matching, produce heat transfer effect better, improve water tank cooling efficiency and cooling uniformity coefficient, prevent copper coin to be heated inequality and being out of shape better.
Wherein, described spiral deflector 9 sidewall is fixedly installed water eliminator 10 along self extending spirally direction uniform intervals, water eliminator 10 upper end is obliquely installed to flow reversal direction, water eliminator side is fixed on spiral deflector 9, leaves the space for water flow between opposite side and the spiral deflector of correspondence.Such water eliminator can cause stream and formed local vortex, improve heat exchanger effectiveness better.During concrete enforcement, spiral deflector and water eliminator are stainless steel and obtain, and on the one hand can prevent corrosion, generate incrustation scale, also can extend water tank work-ing life.
During concrete enforcement, can also improve further on the basis of the above, such as a temperature sensor be connected with warning device signal can be set in water tank of the described end, like this, after end water tank temperature of cooling water is abnormal, or water tank copper coin use in beat arc thinning cause coolant water temperature local rapid abnormal change time, temperature sensor detects that signal transmission can be reported to the police to warning device by temperature variation in time.To avoid better being caused industrial accident and loss by arcing over copper coin, promote safe reliability further.
Compared with the existing technology comparatively, the utility model bottom water tank for electric slag resmelting, simple and reasonable, safe and reliable, solve the corresponding problem existed in prior art.Reaching in water tank coolant seal at the bottom of traditional esr and conductive effect situation, achieve the two-sided utilization of pros and cons of end water tank consumable accessory copper coin, greatly improve the utilization ratio of copper coin, and greatly reduce requirement on machining accuracy and the process period of copper coin, the tension-type fastening structure of the novel relative conventional water tank of bolt presses fastening structure greatly facilitates the replacement operation of end water tank copper coin especially, make it safeguard more simple and fast, decrease the impact on the production time.The utility model has larger economic worth and social value, is specially adapted to extensively promote the use of in electroslag smelting industry.

Claims (3)

1. for an end tank box structure for electroslag remelting furnace, comprise casing, body side is communicated with and is provided with water inlet pipe and rising pipe, casing upper end open and be formed with the end water tank panel of rectangle frame plate structure to surrounding horizontal-extending at opening part; It is characterized in that, box house is also provided with water coolant flow-guiding structure for making the eddying flow of water coolant formation from casing center to surrounding.
2. as claimed in claim 1 for the end tank box structure of electroslag remelting furnace, it is characterized in that, water coolant flow-guiding structure comprises and is positioned at casing inner bottom surface and vertically arranges and spiral spiral deflector, leave the space for current flowing above spiral deflector upper surface and casing between copper coin lower surface, spiral deflector is centrally located at casing inner bottom surface medium position and water inlet pipe end extends to spiral deflector central position.
3. as claimed in claim 2 for the end tank box structure of electroslag remelting furnace, it is characterized in that, described spiral deflector sidewall is fixedly installed water eliminator along self extending spirally direction uniform intervals, water eliminator upper end is obliquely installed to flow reversal direction, water eliminator side is fixed on spiral deflector, leaves the space for water flow between opposite side and the spiral deflector of correspondence.
CN201520302529.9U 2015-05-12 2015-05-12 A kind of end tank box structure for electroslag remelting furnace Expired - Fee Related CN204570007U (en)

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Application Number Priority Date Filing Date Title
CN201520302529.9U CN204570007U (en) 2015-05-12 2015-05-12 A kind of end tank box structure for electroslag remelting furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520302529.9U CN204570007U (en) 2015-05-12 2015-05-12 A kind of end tank box structure for electroslag remelting furnace

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CN204570007U true CN204570007U (en) 2015-08-19

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112280989A (en) * 2020-10-30 2021-01-29 河冶科技股份有限公司 Method for preparing steel ingot of tool and die steel through double-electrode electroslag remelting and electroslag remelting device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112280989A (en) * 2020-10-30 2021-01-29 河冶科技股份有限公司 Method for preparing steel ingot of tool and die steel through double-electrode electroslag remelting and electroslag remelting device

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150819

Termination date: 20210512

CF01 Termination of patent right due to non-payment of annual fee