CN104789788B - A kind of good electroslag remelting furnace bottom cisten mechanism of heat exchange uniformity - Google Patents
A kind of good electroslag remelting furnace bottom cisten mechanism of heat exchange uniformity Download PDFInfo
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- CN104789788B CN104789788B CN201510238686.2A CN201510238686A CN104789788B CN 104789788 B CN104789788 B CN 104789788B CN 201510238686 A CN201510238686 A CN 201510238686A CN 104789788 B CN104789788 B CN 104789788B
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- copper coin
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- rubber gasket
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Abstract
The invention discloses a kind of good electroslag remelting furnace bottom cisten mechanism of heat exchange uniformity, including casing, body side is provided with and communicated with water inlet pipe and outlet pipe, casing upper end open and at opening to the horizontal-extending bottom water tank panel for being formed with rectangle frame plate structure of surrounding, bottom water tank panel upper surface correspondence is equipped with the rubber gasket of rectangle frame plate structure, and rubber gasket top covers be provided with flat copper coin again；It is characterized in that, box house is additionally provided with cooling water flow-guiding structure for making cooling water form the vortex flow from casing center to surrounding.Cold and hot exchange uniformity is good, and simple structure, very convenient maintenance is changed, and reduces maintenance cost, the advantages of improve cooling effectiveness.
Description
Technical field
The present invention relates to a kind of electroslag refining furnace, more particularly to a kind of good electroslag remelting furnace bottom water tank of heat exchange uniformity
Structure.
Background technology
Electroslag refining furnace is a kind of equipment of electric slag refusion and smelting.Electroslag smelting is to set to fill above water mold
Slag bath to be melted, cylindrical electrode is clamped using terminal clamp, and allow electrode, slag bath, metal bath, steel ingot, bottom water tank to lead to
Too short net wire and transformer can form current loop.When carrying out electroslag smelting, first by the electrode away from electroslag smelting electricity
In the end insertion slag of pole chuck, then electrode is powered, in galvanization, electrode and slag bath release Joule heat,
By the regulus fusing in slag bath, motlten metal pools liquid, through slag bath, falls into and metal bath is formed in crystallizer, and
Acted on by water-cooled simultaneously, be quickly solidified to form steel ingot.Before ingot solidification, in the metal bath and slag bath of its top, insulation is played
Acted on feeding, it is ensured that the compactness of steel ingot.In smelting process, one layer of thin skull is formed with crystallizer inwall, not only makes steel
Ingot surface is bright and clean, also plays insulation and heat-blocking action, makes more heats to lower conduction, is conducive to steel ingot orientation from bottom to top
Crystallization.Based on above reason, the ingot quality produced by electroslag smelting is good, performance is excellent, the low temperature of steel alloy, room temperature and height
Plasticity and impact flexibility enhancing under temperature, the extension of steel service life, therefore electroslag smelting technique is widely popularized makes in this industry
With.
In existing electroslag smelting process equipment, (bottom water tank copper coin is covered on the water tank of bottom copper coin on bottom water tank and bottom water tank
Face) be electroslag furnace important component, but copper coin poor rigidity, because of inequality of being heated, mutability easily punctures, and is consumable accessory.Existing electroslag
In remelting furnace, described bottom tank parts structure is typically as follows, including casing, and body side is provided with and communicated with water inlet pipe and water outlet
Pipe, casing upper end open and at opening to the horizontal-extending bottom water tank panel for being wholely set rectangle frame plate structure of surrounding, bottom
Water tank panel upper surface is equipped with the rubber gasket of rectangle frame plate structure, and rubber gasket top covers be provided with tabular again
Copper coin.Bottom water tank panel, between rubber gasket and copper coin peripheral position correspondence insertion be provided with a circle screw and by tension
Bolt is fixedly connected.Screw quantity, screw size and the spiral shell designed so on rubber gasket, bottom water tank panel and copper coin three
The position distribution in hole just the same could must be exchanged.But on the one hand this frame mode not only causes copper coin processing to be fabricated to
Each piece of copper coin of follow-up replacing of this height, long processing time, and consumable accessory will reach corresponding machining accuracy and could exchange and make
With the Position Design of screw quantity, screw size and screw to being designed on rubber gasket, bottom water tank panel and copper coin three
And there is requirement very high in machining accuracy.And copper coin surface screw is more, is easily deformed after use, two-sided use is extremely difficult to
It is required that.So, copper coin is high-precision consumable accessory, and it is high to there is processing request, high cost, the defect that time-consuming, influence produce into
Degree.Meanwhile, in regular maintenance, bottom water tank is generally located on smelting hole bottom, and position is narrow, and bottom water tank copper coin need to be carried out more
When changing and repairing, the dismounting inconvenience of tension-type fastening means, time-consuming to change copper coin, safeguards inconvenience, has a strong impact on electroslag furnace
Normal production.In addition, existing this bottom cisten mechanism, cooling water is poor in casing internal mobility, there is cooling effect poor
Defect.
The content of the invention
For above-mentioned the deficiencies in the prior art, the technical problems to be solved by the invention are：How a kind of heat exchange is provided
The good electroslag remelting furnace bottom cisten mechanism of uniformity, makes it have heat exchange uniformly, and simple structure, very convenient maintenance is changed,
The characteristics of reducing maintenance cost, raising cooling effectiveness.
In order to solve the above-mentioned technical problem, present invention employs following technical scheme：
A kind of good electroslag remelting furnace bottom cisten mechanism of heat exchange uniformity, including casing, body side are provided with and communicated with
Water inlet pipe and outlet pipe, casing upper end open and at opening to the horizontal-extending bottom water tank for being formed with rectangle frame plate structure of surrounding
Panel, bottom water tank panel upper surface correspondence is equipped with the rubber gasket of rectangle frame plate structure, and rubber gasket top covers again
It is provided with flat copper coin；It is characterized in that, box house is additionally provided with cooling water flow-guiding structure for forming cooling water
Vortex flow from casing center to surrounding.
So, the cooling water flow-guiding structure of setting enables to cooling water to form the vortex stream from casing center to surrounding
It is dynamic, make flow of cooling water direction and the copper coin direction that is heated consistent, the efficiency and uniformity of raising heat exchange.
Used as optimization, cooling water flow-guiding structure includes being located at that casing inner bottom surface is vertically arranged and spiral spiral is led
Stream plate, leaves the space of stream flowing of supplying water, spiral deflector between spiral deflector upper surface and casing top copper coin lower surface
It is centrally located at casing inner bottom surface medium position and water inlet tube end extends to spiral deflector center.
So, spiral deflector can well guide current to form the helical flow from water tank middle part to both sides, current
Water inlet and flow direction produce thermal temperature Region Matching with copper coin, produce preferably heat transfer effect, improve water tank cooling effectiveness
With the cooling uniformity, it is better protected from copper coin and is heated uneven and deforms.
As optimization, dash is fixedly installed along itself extending spirally direction uniform intervals on the wall of the spiral deflector side
Plate, water fender upper end is obliquely installed to flow reversal direction, and water fender side is fixed on spiral deflector, opposite side and correspondence
Spiral deflector between leave supply water flowing space.So water fender can cause and stream and formed local vortex, more preferably
Improve heat exchanger effectiveness in ground.During specific implementation, spiral deflector and water fender are stainless steel and are obtained, and on the one hand can prevent rust
Erosion, generates incrustation scale, can also extend water tank service life.
As optimization, copper coin top be additionally provided be fixed mechanism for realize to copper coin and the compression of rubber gasket
Fixed, the mechanism that is fixed includes a compression connector, compresses connector lower end and is connected with casing and load, compresses
Connector upper end correspondence rubber gasket top position has an installing plate for the horizontal rectangular frame structure of matching, installing plate
Upper correspondence rubber gasket is vertically provided with a circle screwed hole, screwed hole and hold-down bolt, hold-down bolt lower end is connected with
Copper coin upper surface is connected to realize being fixed copper coin and rubber gasket.
So, using mechanism is fixed, from top, realization is fixed to copper coin, and existing use turnbuckle
Realize that fixed frame mode is compared through copper coin, rubber gasket and bottom water tank panel, will not produce because bolt is through more
Cause the problem for being difficult to dismantle after the layer deformation of member, be easy to remove and repair.Copper coin surface will without setting excessive high accuracy simultaneously
The bolt hole asked, reduce to component set precision requirement, copper coin be whole board structure after, not only required precision reduction, and
Itself non-deformability increases, and copper coin can realize that turning over conversion surface is continuing with, and reduces cost during repair and replacement.It is fixed
When mechanism uses, need to only rotatably compress bolt makes its lower surface and copper coin abutting be capable of achieving to be fixed, with simple structure,
Advantage convenient to use.During specific implementation, screwed hole each uniform intervals arrangement of four sides on connector installing plate is compressed,
It is convenient to compress force balance.The screw thread of screwed hole and hold-down bolt is preferably designed using closely-pitched during specific implementation, improves load effect
Really.
Used as optimization, the installing plate two ends are folded to after extending downwardly and extend inwardly to form articulated end and constitute the compression
Connector, articulated end is used for and bottom water tank panel lower surface mounting coordinates fixation.So, connector is compressed from as individually removable
The structure type unloaded, facilitates itself repair and maintenance and replacing.
A locking nut is also arranged with as optimization, on the hold-down bolt above the installing plate.So, hold-down bolt
After being fixed, locking nut can be leaned on the locked fixation of hold-down bolt, can further prevent water tank copper coin in use
Inequality of being heated causes hold-down bolt to loosen.
As optimization, the felt pad of hard is provided between hold-down bolt lower end head and copper coin upper surface.So,
Can further prevent bottom water tank from being produced with hold-down bolt end in use in the case where thrust is ensured and beat arc, and
Box-like body compressing structure part upper screwed hole tooth line is damaged, is increased the service life.During specific implementation, felt pad can directly bond solid
It is scheduled on hold-down bolt lower surface, convenient use.
Used as optimization, the bottom water tank panel, rubber gasket and copper coin phase the same side are hung down near side edge along the side
Line is symmetrically arranged with two groups of vertically communicated location holes, and pilot pin is combined with location hole（Realize the positioning to three）.So,
During installation, location hole and pilot pin can be first leaned on to realize the positioning to bottom water tank panel, rubber gasket and copper coin three, then
The pressured mechanism that fastens realizes being fixed again.Make it more convenient for assembly.Location hole is symmetrically arranged two groups, facilitates copper coin
It is secondary after turn-over to use.
So, above-mentioned technical proposal, is capable of achieving the two-sided utilization of positive and negative of bottom water tank consumable accessory copper coin, improves copper coin
Utilization rate, the structure for having a processing mating holes about more than 30 compared to traditional copper coin periphery design greatly reduces the machining accuracy of copper coin
It is required that and process time, the tension-type fastening structure of the novel relatively conventional water tank of bolt presses fastening structure is even more and significantly facilitates
The replacement operation of bottom water tank copper coin.
Compared with the existing technology compared with the present invention is simple and reasonable, safe and reliable, solves phase present in prior art
Answer problem.In the case where traditional electroslag remelting bottom water tank coolant seal and conductive effect is reached, bottom water tank consumable accessory copper coin is realized
The two-sided utilization of positive and negative, greatly improves the utilization rate of copper coin, and greatly reduces requirement on machining accuracy and the processing of copper coin
Time, the tension-type fastening structure of the novel relatively conventional water tank of bolt presses fastening structure is even more and greatly facilitates bottom water tank copper
The replacement operation of plate, makes it safeguard more simple and fast, reduces the influence to the production time.The present invention has larger economic valency
Value and social value, are particularly well-suited to be widely popularized in electroslag smelting industry and use.
In sum, the present invention has cold and hot exchange uniformity good, simple structure, and very convenient maintenance replacing is reduced
Maintenance cost, the advantages of improve cooling effectiveness.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is the structural blast schematic diagram of Fig. 1.
Fig. 3 is the structural representation of independent box portion in Fig. 1.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
During specific implementation：As Figure 1-3, the good electroslag remelting furnace bottom cisten mechanism of a kind of heat exchange uniformity, including
Casing 2, the side of casing 2 is provided with and communicated with water inlet pipe 4 and outlet pipe 5, the upper end open of casing 2 and prolongs to surrounding level at opening
The bottom water tank panel 8 for being formed with rectangle frame plate structure is stretched, the upper surface of bottom water tank panel 8 correspondence is equipped with the rubber of rectangle frame plate structure
Glue sealing gasket 6, the top of rubber gasket 6 covers be provided with flat copper coin 3 again；Wherein, it is additionally provided with cooling inside casing 2
Water flow-guiding structure is used to make cooling water form the vortex flow from casing center to surrounding, and cooling water flow-guiding structure includes being located at case
Internal basal surface is vertically arranged and spiral spiral deflector 9, the upper surface of spiral deflector 9 and casing top copper coin following table
The space of stream flowing of supplying water is left between face, spiral deflector 9 is centrally located at the inner bottom surface medium position of casing 2 and water inlet pipe end
Portion extends to spiral deflector center.
So, spiral deflector can well guide current to form the helical flow from water tank middle part to both sides, current
Water inlet and flow direction produce thermal temperature Region Matching with copper coin, produce preferably heat transfer effect, improve water tank cooling effectiveness
With the cooling uniformity, it is better protected from copper coin and is heated uneven and deforms.
Wherein, water fender is fixedly installed along itself extending spirally direction uniform intervals on the side wall of the spiral deflector 9
10, the upper end of water fender 10 is obliquely installed to flow reversal direction, and water fender side is fixed on spiral deflector 9, opposite side and
The space of flowing of supplying water is left between corresponding spiral deflector.So water fender can cause and stream and formed local vortex,
Preferably improve heat exchanger effectiveness.During specific implementation, spiral deflector and water fender are stainless steel and are obtained, and on the one hand can prevent
Corrosion, generates incrustation scale, can also extend water tank service life.
Wherein, the top of copper coin 3 be additionally provided be fixed mechanism for realize it is solid to the compression of copper coin and rubber gasket
It is fixed.
So, using mechanism is fixed, from top, realization is fixed to copper coin, and existing use turnbuckle
Realize that fixed frame mode is compared through copper coin, rubber gasket and bottom water tank panel, will not produce because bolt is through more
Cause the problem for being difficult to dismantle after the layer deformation of member, be easy to remove and repair.Copper coin surface will without setting excessive high accuracy simultaneously
The bolt hole asked, reduce to component set precision requirement, copper coin be whole board structure after, not only required precision reduction, and
Itself non-deformability increases, and copper coin can realize that turning over conversion surface is continuing with, and reduces cost during repair and replacement.
Wherein, the mechanism that is fixed includes a compression connector 1, compresses the lower end of connector 1 and is connected with casing 2
And load, compressing connector 1 upper end correspondence rubber gasket 6 top position has horizontal rectangular frame structure for matching
Installing plate, correspondence rubber gasket is vertically provided with a circle screwed hole 7, screwed hole and is connected with hold-down bolt under on installing plate
13, the lower end of hold-down bolt 13 is connected to the upper surface of copper coin 3 and realizes being fixed to copper coin 3 and rubber gasket 6.
So, when using, need to only rotatably compress bolt makes its lower surface and copper coin abutting be capable of achieving to be fixed, and has
Simple structure, advantage convenient to use.During specific implementation, the screwed hole for compressing four sides on connector installing plate is each uniform
It is intervally arranged, it is convenient to compress force balance.The screw thread of screwed hole and hold-down bolt is preferably designed using closely-pitched during specific implementation, is carried
Load effect high.
Wherein, the installing plate two ends are folded to extend inwardly to form articulated end and constitute described compression after extending downwardly and connect
Part 1, articulated end is used for and bottom water tank panel lower surface mounting coordinates fixation.So, connector is compressed from as individually detachable
Structure type, facilitate itself repair and maintenance and replacing.
Wherein, also it is arranged with a locking nut on the hold-down bolt 13 above the installing plate（Do not shown in figure）.This
Sample, after hold-down bolt is fixed, can lean on locking nut by the locked fixation of hold-down bolt, can further prevent water tank copper coin from existing
Inequality of being heated during use causes hold-down bolt to loosen.
Wherein, the felt pad of hard is provided between the lower end head of the hold-down bolt 13 and the upper surface of copper coin 3.So,
Can further prevent bottom water tank from being produced with hold-down bolt end in use in the case where thrust is ensured and beat arc, and
Box-like body compressing structure part upper screwed hole tooth line is damaged, is increased the service life.During specific implementation, felt pad can directly bond solid
It is scheduled on hold-down bolt lower surface, convenient use.
Wherein, the bottom water tank panel, rubber gasket and copper coin phase the same side are close to side edge along the side perpendicular bisector pair
Title is provided with two groups of vertically communicated location holes 14, and positioning of the pilot pin realization to three is combined with location hole（Do not show in figure
Show）.So, during installation, location hole and pilot pin can be first leaned on to realize to bottom water tank panel, rubber gasket and copper coin three
Positioning, then the pressured mechanism that fastens realizes being fixed again.Make it more convenient for assembly.Location hole is symmetrically arranged two
Group, facilitates secondary after copper coin turn-over use.
During specific implementation, can also further improve on the basis of the above, for example, one can be set in the bottom water tank
The temperature sensor being connected with warning device signal, so, after the water tank cooling water temperature exception of bottom, or in water tank copper coin use
Beat arc it is thinning cause coolant water temperature part rapid abnormal change when, temperature sensor detects temperature change can in time by signal
Pass to warning device alarm.Preferably to avoid causing production accident and loss by arc through copper coin, further lifting is pacified
Full reliability.
Compared with the existing technology compared with bottom water tank for electric slag resmelting of the present invention is simple and reasonable, safe and reliable, solves
Corresponding problem present in prior art.It is real in the case of traditional electroslag remelting bottom water tank coolant seal and conductive effect is reached
Show the two-sided utilization of positive and negative of bottom water tank consumable accessory copper coin, greatly improve the utilization rate of copper coin, and greatly reduce copper
The requirement on machining accuracy of plate and process time, the tension-type fastening structure of the relatively conventional water tank of bolt presses fastening structure of novelty
The replacement operation of bottom water tank copper coin is even more greatly facilitated, it is safeguarded more simple and fast, reduce the influence to the production time.
The present invention has larger economic worth and social value, is particularly well-suited to be widely popularized in electroslag smelting industry and uses.
Claims (4)
1. a kind of good electroslag remelting furnace bottom cisten mechanism of heat exchange uniformity, including casing, body side be provided with and communicated with into
Water pipe and outlet pipe, casing upper end open and at opening to the horizontal-extending bottom water tank face for being formed with rectangle frame plate structure of surrounding
Plate, bottom water tank panel upper surface correspondence is equipped with the rubber gasket of rectangle frame plate structure, and rubber gasket top covers set again
It is equipped with flat copper coin；It is characterized in that, box house be additionally provided with cooling water flow-guiding structure for make cooling water formed from
Vortex flow of the casing center to surrounding；
Cooling water flow-guiding structure includes being located at that casing inner bottom surface is vertically arranged and spiral spiral deflector, spiral stream guidance
The space of stream flowing of supplying water is left between plate upper surface and casing top copper coin lower surface, spiral deflector is centrally located in casing
Basal surface medium position and water inlet tube end extend to spiral deflector center；
Water fender, water fender upper end are fixedly installed along itself extending spirally direction uniform intervals on the wall of the spiral deflector side
It is obliquely installed to flow reversal direction, water fender side is fixed on spiral deflector, opposite side and corresponding spiral deflector
Between leave supply water flowing space；Spiral deflector and water fender are stainless steel and are obtained；
Copper coin top be additionally provided be fixed mechanism for realize copper coin and rubber gasket are fixed, the compression
Fixed mechanism includes a compression connector, compresses connector lower end and is connected with casing and load, compresses connector upper end pair
Answering rubber gasket top position has an installing plate for the horizontal rectangular frame structure of matching, and correspondence rubber is close on installing plate
Packing is vertically provided with a circle screwed hole, screwed hole and hold-down bolt is connected with, and hold-down bolt lower end is connected on copper coin
Realize being fixed copper coin and rubber gasket in surface；
The installing plate two ends are folded to after extending downwardly and extend inwardly to form articulated end and constitute the compression connector, articulated end
Fixed for coordinating with bottom water tank panel lower surface mounting；So that compressing connector itself forms individually dismountable structure shape
Formula.
2. the good electroslag remelting furnace bottom cisten mechanism of heat exchange uniformity as claimed in claim 1, it is characterised in that the peace
A locking nut is also arranged with hold-down bolt above dress plate.
3. the good electroslag remelting furnace bottom cisten mechanism of heat exchange uniformity as claimed in claim 1, it is characterised in that the pressure
The tight felt pad that hard is provided between bolt lower end head and copper coin upper surface.
4. the good electroslag remelting furnace bottom cisten mechanism of heat exchange uniformity as claimed in claim 1, it is characterised in that the bottom
Water tank panel, rubber gasket and copper coin phase the same side near side edge along the side perpendicular bisector be symmetrically arranged with two groups it is vertically communicated
Location hole, pilot pin is combined with location hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510238686.2A CN104789788B (en) | 2015-05-12 | 2015-05-12 | A kind of good electroslag remelting furnace bottom cisten mechanism of heat exchange uniformity |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510238686.2A CN104789788B (en) | 2015-05-12 | 2015-05-12 | A kind of good electroslag remelting furnace bottom cisten mechanism of heat exchange uniformity |
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| CN104789788A CN104789788A (en) | 2015-07-22 |
| CN104789788B true CN104789788B (en) | 2017-06-16 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2263110Y (en) * | 1996-05-10 | 1997-09-24 | 冶金工业部钢铁研究总院 | Single phase and single electrode electroslag furnace with lining |
| CN2705467Y (en) * | 2003-12-13 | 2005-06-22 | 内蒙古北方重工业集团有限公司 | Bottom water tank for electric slag resmelting |
| CN202284219U (en) * | 2011-09-19 | 2012-06-27 | 北京首钢吉泰安新材料有限公司 | Bottom water tank for electroslag remelting |
-
2015
- 2015-05-12 CN CN201510238686.2A patent/CN104789788B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2263110Y (en) * | 1996-05-10 | 1997-09-24 | 冶金工业部钢铁研究总院 | Single phase and single electrode electroslag furnace with lining |
| CN2705467Y (en) * | 2003-12-13 | 2005-06-22 | 内蒙古北方重工业集团有限公司 | Bottom water tank for electric slag resmelting |
| CN202284219U (en) * | 2011-09-19 | 2012-06-27 | 北京首钢吉泰安新材料有限公司 | Bottom water tank for electroslag remelting |
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| CN104789788A (en) | 2015-07-22 |
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Effective date of registration: 20210714 Address after: 400084 No. 2, Magnesium Bridge Road, Area A, Jianqiao Industrial Park, Dadukou District, Chongqing Patentee after: CHONGQING IRON & STEEL INSTITUTE Co.,Ltd. Address before: Three village 400080 Dadukou District of Chongqing weir building 1 No. 1 Patentee before: Chongqing Iron and Steel (Group) Co.,Ltd. |
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