CN105018715B - Horizontal bell furnace - Google Patents
Horizontal bell furnace Download PDFInfo
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- CN105018715B CN105018715B CN201510521247.2A CN201510521247A CN105018715B CN 105018715 B CN105018715 B CN 105018715B CN 201510521247 A CN201510521247 A CN 201510521247A CN 105018715 B CN105018715 B CN 105018715B
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- care set
- stationary housings
- burner hearth
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Abstract
The present invention relates to a kind of horizontal bell furnace, including stationary housings, one end open is closed in one end, and opening direction is horizontal direction；Movement end cap, can be covered on the opening of stationary housings, cover afterwards and stationary housings surround a burner hearth；Coil of strip care set, is ringwise and axially horizontal direction, the both ends open of coil of strip care set, and internal ring surrounds a material chamber and is used for housing coil of strip；Translation mechanism, is used for making coil of strip care set be moved horizontally to the outer loading and unloading of burner hearth or to burner hearth；Air inlet and air vent, for adjusting in burner hearth atmosphere or lowering the temperature in burner hearth；It is provided with heating arrangements in the end of the corresponding end face of close coil of strip care set of stationary housings and/or mobile end cap.The present invention adopts horizontal chamber furnace (oven), and heating arrangements heat to the end face of coil of strip, makes steel band form thermograde in the width direction；The subgrain of orientation silicon steel being increased when processing orientation silicon steel, thus increasing magnetic strength, reducing iron loss.Simultaneously, it is to avoid steel band edge injurious deformation, improve lumber recovery.
Description
Technical field
The present invention relates to technical field of metal material heat treatment is and in particular to a kind of horizontal bell furnace.
Background technology
At present, bell furnace production using is all vertical, and coil of strip founds placement, the axle of coil of strip in bell furnace
To for vertical direction, above volume 2 of general piling.Its advantage is that single stove useful load is big, and the efficiency of heating surface is high；Its shortcoming is, due to
Heat transfer is to lead to coil of strip upper and lower temperature difference and internal-external temperature difference all big in volume from volume is, coil of strip lower end edge because load-bearing, easy product
Raw irreversible transformation.
For orientation silicon steel, if the secondary recrystallization in high-temperature heat treatment grows to another side from steel band,
Or from edge to central growth, being beneficial to crystal grain and grow up, thus increasing magnetic strength, after refining magnetic domain, reducing iron loss.But
Vertical bell furnace is to be arrived in volume by volume is outer due to heat transfer, rather than heats from the two ends of coil of strip, is therefore unfavorable for orientation silicon steel
Secondary recrystallization.
Content of the invention
The present embodiments relate to a kind of horizontal bell furnace, the segmental defect of prior art at least can be solved.
The present embodiments relate to a kind of horizontal bell furnace, including：
Stationary housings, one end open is closed in one end, and opening direction is horizontal direction；
Mobile end cap, can be covered on the opening of described stationary housings, surround a burner hearth with described stationary housings after covering；
Coil of strip care set, is ringwise and axially horizontal direction, the both ends open of described coil of strip care set, and internal ring surrounds a material chamber
For housing coil of strip；
Translation mechanism, is used for making described coil of strip care set be moved horizontally to the outer loading and unloading of described burner hearth or to described burner hearth；
Air inlet and air vent, for adjusting in burner hearth atmosphere or lowering the temperature in burner hearth, described air inlet is located at described solid
Determine on outer housing, described air vent covers located at described stationary housings or described mobile terminal；
It is provided with the end of the corresponding end face of close described coil of strip care set of described stationary housings and/or described mobile end cap
Heating arrangements.
As one of embodiment, described coil of strip care set is in annular, and described horizontal bell furnace also includes driving described coil of strip
The rotating mechanism that care set rotates in described burner hearth around its axis, described rotating mechanism includes rotary drive structure, supporting knot
Structure and lifting structure, described lifting structure can drive described coil of strip care set jacking to rotation position or to fall to translational shifting；In rotation
Position, described supporting structure supports described coil of strip care set, and in translational shifting, described supporting structure departs from described coil of strip care set.
As one of embodiment, described rotary drive structure includes driver element, travelling gear, sprocket wheel and chain, described
Chain bypasses described sprocket wheel and the output shaft of described driver element, and described sprocket wheel and described travelling gear are set in same rotating shaft
On, described coil of strip care set outer shroud is correspondingly provided with annular rack, described annular rack is engaged with described travelling gear.
As one of embodiment, described supporting structure includes at least 4 groups bearing assemblies, and described bearing assembly includes the first support
Wheel, the first supporting-roller shaft and the first bearing, described first support roller is sheathed in described first supporting-roller shaft, and described first supporting-roller shaft rotates
On described first bearing, and the axial direction of each described first supporting-roller shaft is all axially in parallel with described coil of strip care set；Each described
First bearing along described coil of strip care set axis be symmetrically arranged in described stationary housings shell bottom, and correspond to each institute
State at the first support position, be vertically provided with slideway in the inside the shell of described stationary housings, described slideway is near described stove
The one end open of thorax, each described first bearing is slidedly arranged in corresponding slideway respectively.
As one of embodiment, described lifting structure includes multiple drive rods, and described drive rod is adjusting screw rod or hydraulic pressure
Drive rod, the quantity of described drive rod is identical with the quantity of described first bearing and corresponds setting, and each described drive rod is equal
Vertically it is arranged on the shell of described stationary housings and top is contacted with corresponding first rest base；Each described drive rod and institute
State equal encapsulation process at the cage connection of stationary housings.
As one of embodiment, in bottom and described mobile end cap in described stationary housings, bottom is equipped with position-limited wheel, institute
State coil of strip care set be in rotation position when, the bottom two ends of described coil of strip care set are respectively close to position-limited wheel described in two.
As one of embodiment, described translation mechanism includes multigroup translation assembly, described translation assembly include the second support roller,
Second supporting-roller shaft and the second bearing, described second support roller is sheathed in described second supporting-roller shaft, and described second support roller with described
It is provided with bearing, described second supporting-roller shaft rotates on described second bearing, each described second bearing edge between second supporting-roller shaft
Horizontal direction is arranged in order in described burner hearth bottom, each described second supporting-roller shaft axially all with vertical direction and described coil of strip support
Cover is axially in parallel.
As one of embodiment, described heating arrangements include resistor, and the binding post of described resistor is arranged in corresponding
On the shell of described stationary housings or described mobile end cap, and with corresponding cage connection by insulating sealer sealing at
Reason.
As one of embodiment, the shell of the shell of described stationary housings and described mobile end cap and corresponding heating arrangements
Between be all sequentially provided with refractory masses and thermal insulation layer in the horizontal direction from the inside to the outside；The internal ring of described coil of strip care set and outer shroud it
Between refractory masses and thermal insulation layer are sequentially provided with to outer shroud direction by internal ring.
As one of embodiment, it is sequentially provided with resistance between the internal ring of described coil of strip care set and outer shroud by internal ring to outer shroud direction
Fiery material layer and thermal insulation layer；In the described refractory masses of described coil of strip care set, it is equipped with multiple in described coil of strip care set
Receiving hole, axially all axially in parallel with described coil of strip care set, multiple described receiving holes uniformly annular cloth of each described receiving hole
Put, each described receiving in the hole is provided with least one resistance wire；The outer shroud of described coil of strip care set is provided with three conducting rings, each institute
State resistance wire respectively to electrically connect with three described conducting rings, described stationary housings are correspondingly provided with carbon brush, described coil of strip care set
When moving in described burner hearth, described carbon brush is contacted with three described conducting rings respectively.
As one of embodiment, the two ends of the refractory masses of described coil of strip care set are along the radial direction of described coil of strip care set
Extend to the outer shroud of described coil of strip care set and wrap up described thermal insulation layer；The refractory masses of described stationary housings and described mobile end cap
Refractory masses and the refractory masses of adjacent described coil of strip care set all become groove and tognue type to dock.
As one of embodiment, described horizontal bell furnace also includes core support member, and described core support member is by fire resisting
The hollow cylinder that material is made, is flush-mounted in coil of strip and prevents coil of strip Collapse Deformation；Described core support member is formed in one part,
Or radially it is divided into many parts.
The embodiment of the present invention at least achieves following beneficial effect：Using horizontal chamber furnace (oven), coil of strip horizontal placement in burner hearth, plus
Heat engine structure heats to the end face of coil of strip, makes steel band form thermograde in the width direction；When processing orientation silicon steel,
Secondary recrystallization from steel band while to another side growth, or from edge to central growth, thus orientation silicon steel can be increased
Subgrain, thus increasing magnetic strength, reduces iron loss.Simultaneously, it is to avoid steel band edge injurious deformation, improve lumber recovery.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the front sectional view of horizontal bell furnace provided in an embodiment of the present invention；
Fig. 2 is the structural representation of supporting structure provided in an embodiment of the present invention；
Fig. 3 is the structural representation of translation mechanism provided in an embodiment of the present invention；
Fig. 4 is the side view cutaway drawing of horizontal bell furnace provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art obtained on the premise of not making creative work all its
Its embodiment, broadly falls into the scope of protection of the invention.
As Fig. 1-Fig. 4, the present embodiments relate to a kind of horizontal bell furnace, including following structure：
Stationary housings 1, its one end closes one end open, and opening direction is horizontal direction；
Mobile end cap 16, can be covered on the opening of described stationary housings 1, surround one with described stationary housings 1 after covering
Burner hearth；
Coil of strip care set 2, is ringwise and axially horizontal direction, the both ends open of described coil of strip care set 2, and internal ring surrounds a material
Chamber is used for housing coil of strip 5；
Translation mechanism 6, is used for making described coil of strip care set 2 be moved horizontally to the outer loading and unloading of described burner hearth or to described burner hearth
Interior；
Air inlet and air vent, for adjusting in burner hearth atmosphere or lowering the temperature in burner hearth, described air inlet is located at described solid
Determine on outer housing 1, described air vent is in described stationary housings 1 or described mobile end cap 16；
On the end of the corresponding end face of close described coil of strip care set 2 of described stationary housings 1 and/or described mobile end cap 16
It is provided with heating arrangements.
In said structure, stationary housings 1 and mobile end cap 16 are horizontal type structure, and mobile end cap 16 is covered on stationary housings
Mode on 1 is to be connected by flange 18, and flange 18 sealing surface adopts the hollow rubber seal with O ring of water-cooled.Fixing outer
Cover 1 can respectively have the chamber of a part of one end open with mobile end cap 16, and two chamber splits form above-mentioned burner hearth；But generally move
Moved end lid 16 lifting is convenient, and the weight of mobile end cap 16 should be tried one's best gently, and therefore, the key component of burner hearth is with stationary housings 1
Inner chamber based on, mobile end cap 16 covers and forms, to close the opening of this inner chamber, the burner hearth sealing on stationary housings 1.Move
The top of moved end lid 16 is provided with the suspension ring 17 for lifting, in this bell furnace loading and unloading, will move end cap by this suspension ring 17
16 hang；The top of stationary housings 1 also is provided with the suspension ring for lifting, facilitates repair and maintenance.The bottom of stationary housings 1 is connected with
Horizontal mounting seat 12, this horizontal mounting seat 12 is detachably connected by bolt with stationary housings 1, and stationary housings 1 are passed through should
Horizontal mounting seat 12 is installed on the basic plane of workshop.In addition, reinforcement flange is additionally provided with the shell of this stationary housings 1, with
Improve its structural strength, in the present embodiment, above-mentioned reinforcement flange is 4.Air inlet is preferably arranged on stationary housings 1 bottom and leans on
Nearly blind end, air vent is correspondingly arranged in stationary housings 1 top near opening, or air vent is arranged at mobile end cap 16 and pushes up
Portion；I.e. from burner hearth bottom air inlet, from roof of the furnace aerofluxuss, with adjust in burner hearth atmosphere or be passed through cooling gas to heat treatment after
Coil of strip 5 is cooled down.
Typically, for orientation silicon steel, make every effort to secondary recrystallization and grow to another side from steel band, or from edge
To central growth；When above-mentioned heating arrangements only arrange one, heated from one end of coil of strip 5, then met secondary recrystallization
From steel band while to another side growth, setting two when, heat from the two ends of coil of strip 5 simultaneously, then meet secondary recrystallization
From the edge of steel band to central growth.For improving treatment effeciency, the present embodiment heats from the two ends of coil of strip 5 simultaneously, that is, fixing
It is equipped with heating arrangements on the end of the corresponding end face of close described coil of strip care set 2 of outer housing 1 and mobile end cap 16.In addition, this reality
Apply in example, this heating arrangements adopts resistor 14, the binding post of described resistor 14 be arranged in corresponding described stationary housings 1 or
On the shell of described mobile end cap 16, and with corresponding cage connection pass through insulating sealer encapsulation process.Resistor 14
Power is 45 ~ 100KW, preferably 75～90kw, can need the work(to resistor 14 according to heat treatment heat during actual production
Rate and heating surface (area) (HS are selected.It can be seen that, the heating power of this horizontal bell furnace can be with the heating work(of existing vertical bell furnace
Quite, the heat treatment temperature that can meet orientation silicon steel etc. requires rate, and because a roll of coil of strip only placed by this horizontal bell furnace list stove
5, therefore can effectively shorten time inside furnace in this horizontal bell furnace for the coil of strip 5, improve treatment effeciency.Certainly, above-mentioned heater
Structure be may also be employed burner and heated by fuel gas buring, or adopts other electric heating equipments, such as electric furnace heating wire, carbon-point etc..
Continue the structure of above-mentioned horizontal bell furnace, due to need to carry out high-temperature heat treatment, the therefore work in burner hearth to coil of strip 5
Temperature is higher, for this reason, need to and arrange resistance between the shell of mobile end cap 16 and burner hearth between the shell of stationary housings 1 and burner hearth
Fiery material layer 7, to improve the service life of equipment；In addition, also needing to arrange insulating, it is to avoid in burner hearth, heat scatters and disappears, with
Improve heat treatment efficiency, shorten process time.Concrete structure is：The shell of described stationary housings 1 and corresponding heating arrangements it
Between be all sequentially provided with refractory masses 7 and thermal insulation layer 8 in the horizontal direction from the inside to the outside, and the shell of described mobile end cap 16 with right
All it is sequentially provided with refractory masses 7 and thermal insulation layer 8 in the horizontal direction from the inside to the outside between the heating arrangements answered；Described coil of strip care set
Between 2 internal ring and outer shroud, refractory masses 7 and thermal insulation layer 8 are sequentially provided with by internal ring to outer shroud direction.Wherein, stationary housings 1
In, thermal insulation layer 8 is fitted with the blind end inner surface of outer cover of this stationary housings 1, and refractory masses 7 and thermal insulation layer 8 are near burner hearth
Fit in one end, resistor 14 fits in this refractory masses 7 again on the end face of burner hearth, the surface shape of refractory masses 7
Shape should be designed by the installation requirement of resistor 14.The structure design of the thermal insulation layer 8 of mobile end cap 16 and refractory masses 7 with
Stationary housings 1 identical.Because coil of strip care set 2 also is provided with refractory masses 7 and thermal insulation layer 8, therefore, the corresponding housing department of burner hearth
Divide and can be not provided with thermal insulation layer 8 and refractory masses 7, the part laying coil of strip care set 2 in stationary housings 1 does not have thermal insulation layer 8 He
Refractory masses 7.
The refractory masses 7 of stationary housings 1, mobile end cap 16 and coil of strip care set 2 and thermal insulation layer 8 collective effect are to this bell-type
Stove is incubated, and for reducing thermal radiation loss further, arranges following structure：The two of the refractory masses 7 of described coil of strip care set 2
End extends the described thermal insulation layer 8 of parcel along the radial direction of described coil of strip care set 2 to the outer shroud of described coil of strip care set 2；Described fixation
The fire proofed wood of the refractory masses 7 of the refractory masses 7 of outer housing 1 and described mobile end cap 16 and adjacent described coil of strip care set 2
The bed of material 7 all becomes groove and tognue type to dock.As shown in figure 4, the refractory masses 7 of stationary housings 1 and mobile end cap 16 are medicated cap shape knot
Structure, that is, mid portion is groove, and i.e. located at the bottom of this groove, visor portion extends resistor 14 to corresponding shell, resistor
There is certain distance between 14 and coil of strip care set 2, cause the quality of steel band to lack to avoid resistor 14 directly coil of strip 5 to be carried out heating
Fall into.To fitting, laminating type adopts such as the two ends extension of above-mentioned visor portion and the refractory masses 7 of coil of strip care set 2
Upper above-mentioned groove and tognue type docking mode, can arrange convex falcon portion, the corresponding refractory material in adjacent coil of strip care set 2 in visor portion
The extension setting groove of layer 7, or adopt inverse structure, sealed with the formula of achieving a butt joint, can effectively prevent burner hearth
Thermal radiation loss.
As a kind of preferred structure of the present embodiment, this bell furnace is additionally provided with electric auxiliary heat engine structure, and concrete structure is as follows：Described
In the described refractory masses 7 of coil of strip care set 2, in described coil of strip care set 2, it is equipped with multiple receiving holes, each described receiving hole
Axially all axially in parallel with described coil of strip care set 2, multiple described receiving holes are uniformly circular layout, each described receiving in the hole
It is provided with least one resistance wire 3；The outer shroud of described coil of strip care set 2 is provided with three conducting rings 20, and each described resistance wire 3 is respectively
Electrically connect with three described conducting rings 20, described stationary housings 1 are correspondingly provided with carbon brush 19, described coil of strip care set 2 moves to institute
When stating in burner hearth, described carbon brush 19 is contacted with three described conducting rings 20 respectively.Setting resistance wire 3 is mainly used in heating coil of strip support
The refractory material of set 2 and supplement radiation loss, to ensure that coil of strip 5 obtains the treatment temperature of more homogeneous constant；The work(of resistance wire 3
Rate, in the range of 6～15kw, preferably adopts star connection between resistance wire 3.Being electrically connected between each resistance wire 3 and conducting ring 20
Fitting（Electric wire）Encapsulation process should be carried out by insulating sealer through at the shell of coil of strip care set 2, to improve this bell furnace
Air-tightness.Carbon brush 19 is correspondingly arranged at the case surface of stationary housings 1, connects external power source.
As a kind of preferred structure of the present embodiment, described horizontal bell furnace also includes driving described coil of strip care set 2 around it
The rotating mechanism that axis rotates in described burner hearth.For this reason, described coil of strip care set 2 should be designed as in annular, it is easy in stove
Rotate in thorax, corresponding, burner hearth is also cylinder；For ease of processing, stationary housings 1 and mobile end cap 16 are all using cylindrical knot
Structure, that is, adopt cylindrical steel shell, then pours corresponding castable formation thermal insulation layer 8 and refractory masses in cylindrical steel inside the shell
7.Described rotating mechanism includes rotary drive structure 4, supporting structure 9 and lifting structure, and described lifting structure can drive institute
State coil of strip care set 2 jacking and to rotation position or fall to translational shifting；In rotation position, described supporting structure 9 supports described coil of strip care set
2, in translational shifting, described supporting structure 9 departs from described coil of strip care set 2.Specifically, using following structure：
（1）Rotary drive structure 4, including driver element 401, travelling gear 402, sprocket wheel and chain, described chain bypasses
Described sprocket wheel and the output shaft of described driver element 401, described sprocket wheel and described travelling gear 402 are set in same rotating shaft,
It is correspondingly provided with annular rack, described annular rack is engaged with described travelling gear 402 on described coil of strip care set 2 outer shroud.Wherein, drive
Moving cell 401 adopts motor 401, is configured with reductor, the power of motor 401 is 0.5～1.5kw, coil of strip care set 2 can be driven to delay
Slow rotation；Travelling gear 402 can be changed to adopt gear-box further.As Fig. 4, driver element 401, travelling gear 402, sprocket wheel and
Chain assembled is installed on stationary housings 1 top, convenient installation；Travelling gear 402 stretches to stationary housings 1 enclosure, thus
Engage with the annular rack in coil of strip care set 2.Annular rack is preferably the wherein one end on coil of strip care set 2 outer shroud, such as schemes
4, in the present embodiment, it is located at coil of strip care set 2 outer shroud near one end of stationary housings 1 blind end.
（2）Supporting structure 9, including at least 4 groups of bearing assemblies, described bearing assembly includes the first support roller 901, the first support roller
Axle 902 and the first bearing 903, described first support roller 901 is sheathed in described first supporting-roller shaft 902, described first supporting-roller shaft 902
Rotate on described first bearing 903, and the axially axial direction all with described coil of strip care set 2 of each described first supporting-roller shaft 902
Parallel；Each described first bearing 903 is symmetrically arranged in the shell of described stationary housings 1 along the axis of described coil of strip care set 2
Bottom, and corresponding at each described first bearing 903 position, vertically it is provided with cunning in the inside the shell of described stationary housings 1
Road, near the one end open of described burner hearth, each described first bearing 903 is slidedly arranged in corresponding slideway described slideway respectively.Enter
One step ground, each slideway is all fixed on by slideway base 10 on the shell of stationary housings 1, and this slideway base 10 is located in stationary housings 1
Shell on, and be connected with stationary housings 1 by flange.
（3）Lifting structure, for driving each described first bearing 903 to lift, makes the jacking of described coil of strip care set 2 to rotating position
Or fall to translational shifting；In rotation position, each described first support roller 901 is all contacted with described coil of strip care set 2, in translational shifting, each institute
State the first support roller 901 and all depart from described coil of strip care set 2.
As Fig. 1 and Fig. 2, each bearing assembly is arranged symmetrically along described horizontal mounting seat 12, when coil of strip care set 2 rotates,
Bear coil of strip care set 2 and the weight of coil of strip 5；When coil of strip care set 2 translates, coil of strip care set 2 is fallen, disengages.Take this
Plant structure so that coil of strip care set 2 switches between rotation position and translational shifting, it is to avoid coil of strip care set 2 bears extra frictional force, carries
The service life of high equipment, and improve the efficiency of movement that coil of strip care set 2 rotates or translates.Therefore, the length of slideway should ensure that
Can be by coil of strip care set 2 jack-up disengaging with translation mechanism 6, or each first support roller 901 energy when coil of strip care set 2 is fallen
Enough dropping to further is not contacted with coil of strip care set 2.Usually, coil of strip care set 2 jack-up height do not need too high, not with translation
Mechanism 6 contacts, and therefore, the lifting distance of setting coil of strip care set 2 is in the range of 10～35mm.Accordingly, work as coil of strip
When care set 2 is located at translational shifting, leave gap between the outer shroud of coil of strip care set 2 and the inwall of burner hearth, this gap length can be slightly larger than
The upward stroke of coil of strip care set 2, thus coil of strip care set 2 is not interfered with inboard wall of burner hearth during jack-up；Outside for above-mentioned fixation
The structure that refractory masses 7 between cover 1, mobile end cap 16 and coil of strip care set 2 are docked using groove and tognue type, should ensure that the width of groove
The difference of the width of degree and convex falcon will be slightly larger than the upward stroke of the coil of strip care set 2 of twice.
As Fig. 1 and Fig. 2, further, described lifting structure includes multiple adjusting screw rods 11, the number of described adjusting screw rod 11
Amount is identical with the quantity of described first bearing 903 and corresponds setting, and each described adjusting screw rod 11 is all vertically arranged in described
On the shell of stationary housings 1 and top is contacted with corresponding first bearing 903 bottom；Each described adjusting screw rod 11 and described fixation
Equal encapsulation process at the cage connection of outer housing 1.Each adjusting screw rod 11 is using can be manually rotated, or adopts fluid motor-driven.Separately
Outward, this lifting structure may also be employed other structures, such as directly drives each first bearing 903 to lift by hydraulic stem, and that is, setting is many
Individual hydraulic cylinder, the quantity of hydraulic cylinder is identical with the quantity of the first bearing 903 and corresponds setting, the drive end of each hydraulic cylinder
Vertically stretch and directly contact with corresponding first bearing 903 bottom.
By arranging rotating mechanism, coil of strip care set 2 is rotated in burner hearth, thus driving coil of strip 5 to delay together in burner hearth
Slow rotation, is conducive to the moisture in magnesium oxide in steel band quickly to discharge, prevents bottom from degenerating；Meanwhile, be conducive to hydrogen in steel band
Enter and sulfur, the discharge of nitrogen.While ensureing product quality, product time inside furnace can be shortened, a heat can shorten 3
～6 hours.With the rotation of coil of strip 5, coil of strip 5 uniform force, edge will not be damaged, and can improve lumber recovery 1 ~ 5%.Usually,
Rotary speed controls in 1～5r/min.
Optimize above-mentioned rotating mechanism further, such as Fig. 4, described stationary housings 1 bottom and described mobile end cap 16 bottom are equal
It is provided with position-limited wheel 21, when described coil of strip care set 2 is in rotation position, the bottom two ends of described coil of strip care set 2 are respectively close to described in two
Position-limited wheel 21.The rotating shaft of two position-limited wheels 21 is axially vertical direction.Preferably, the position-limited wheel 21 in stationary housings 1 is located at solid
Determine the bottom in outer housing 1, and the refractory masses 7 near stationary housings 1；Position-limited wheel 21 in mobile end cap 16 is located at mobile terminal
Bottom in lid 16, and the refractory masses 7 near mobile end cap 16.By position-limited wheel 21 located at stationary housings 1 and mobile end cap
16 bottom interior surface, is the coil of strip support in order to prevent when the rotary drive structure 4 located at top drives coil of strip care set 2 rotation
Set 2 produces and rocks.When coil of strip care set 2 axially produces along it and rocks, coil of strip care set 2 bottom is contacted with position-limited wheel 21, thus
Limit it to rock further, that is, setting position-limited wheel 21 can limit the 2 generation rotary motions of coil of strip care set.Due to position-limited wheel 21 and steel
Volume care set 2 is rolling friction, and therefore service life is longer.
As shown in Figure 1, Figure 3 and Figure 4, described translation mechanism 6 includes multigroup translation assembly, and described translation assembly includes the second support roller
601st, the second supporting-roller shaft 602 and the second bearing 604, described second support roller 601 is sheathed in described second supporting-roller shaft 602, and institute
State and between the second support roller 601 and described second supporting-roller shaft 602, be provided with bearing 603, described second supporting-roller shaft 602 rotates located at described
On second bearing 604, each described second bearing 604 is arranged in order in described burner hearth bottom in the horizontal direction, each described second support
Wheel shaft 602 axially all axially in parallel with vertical direction and described coil of strip care set 2.During charging, coil of strip 5 is hung in coil of strip support
The material intracavity of set 2, then the suspension ring 17 of coil of strip care set 2 of being sling by crane, hang the opening delivering to stationary housings 1, then by behaviour
Make the modes such as personnel's artificial operation and coil of strip care set 2 level is pushed in the furnace chamber entering stationary housings 1, due to multigroup translation assembly
Effect, operating process is laborsaving and efficiency is higher.
As a kind of preferred structure of the present embodiment, this horizontal bell furnace also includes temp testing controlling system, described thermometric control
System processed includes temperature element 15 and central processing unit, and described temperature element 15 is arranged in described stationary housings 1 or described movement
On end cap 16, and temperature measuring head stretches in coil of strip 5；Described temperature element 15 is electrically connected with the input of described central processing unit,
The heater circuit of each described heating arrangements is all electrically connected with the outfan of described central processing unit, to control each described heating arrangements
Programming rate.Wherein, temperature element 15 is on the axis line position of stationary housings 1 or mobile end cap 16, that is, with coil of strip 5
Axis overlaps；100 ~ 200mm in coil of strip 5 is stretched into during temperature element 15 thermometric.Temperature in burner hearth is detected by temperature element 15
Degree, is transferred to central processing unit, then the heater circuit by central processing unit control heating arrangements, to obtain the suitable speed that heats up
Degree, the curve by setting is heated up.Central processing unit adopts PLC, for the heating arrangements using resistor 14, this resistor
14 power supply circuits are supporting to be provided with power regulating eqiupment, controls this power supply circuits to work by PLC, thus obtaining the intensification speed of needs
Degree.In addition, the operating circuit of above-mentioned electric auxiliary heat engine structure also electrically connects with this central processing unit, while controlling heating arrangements work
Also control electric auxiliary heat engine structure work, to ensure that coil of strip 5 obtains uniform and stable heat treatment temperature.
In addition, this horizontal bell furnace also includes core support member 13, described core support member 13 is by being made up of refractory material
Hollow cylinder, be flush-mounted in coil of strip 5 and prevent coil of strip 5 Collapse Deformation.Described core support member 13 can be formed in one part, or
Radially it is divided into many parts；Preferably it is divided into 2 ~ 3 parts, that is, this core support member 13 can be divided into symmetrical two semi arch
Part, or it is divided into three parts along its girth, it is easy to take out in coil of strip 5.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (9)
1. a kind of horizontal bell furnace is it is characterised in that include：
Stationary housings, one end open is closed in one end, and opening direction is horizontal direction；
Mobile end cap, can be covered on the opening of described stationary housings, surround a burner hearth with described stationary housings after covering；
Can be ringwise and axially horizontal direction, the two ends of described coil of strip care set are opened around the coil of strip care set of own central axis line rotation
Mouthful, internal ring surrounds a material chamber and is used for housing coil of strip；
Translation mechanism, is used for making described coil of strip care set be moved horizontally to the outer loading and unloading of described burner hearth or to described burner hearth；
Air inlet and air vent, for adjusting in burner hearth atmosphere or lowering the temperature in burner hearth, described air inlet is outside described fixation
On cover, described air vent covers located at described stationary housings or described mobile terminal；
It is provided with heating in the end of the corresponding end face of close described coil of strip care set of described stationary housings and/or described mobile end cap
Mechanism；
Described coil of strip care set is in annular, and described horizontal bell furnace also includes driving described coil of strip care set around own central axis line in institute
State the rotating mechanism rotating in burner hearth, described rotating mechanism includes rotary drive structure, supporting structure and lifting structure, described liter
Fall structure can drive described coil of strip care set jacking to rotation position or to fall to translational shifting；In rotation position, described supporting structure supporting
Described coil of strip care set, in translational shifting, described supporting structure departs from described coil of strip care set.
2. horizontal bell furnace according to claim 1 it is characterised in that：Described rotary drive structure include driver element,
Travelling gear, sprocket wheel and chain, described chain bypasses described sprocket wheel and the output shaft of described driver element, described sprocket wheel with described
Travelling gear is set in same rotating shaft, and described coil of strip care set outer shroud is correspondingly provided with annular rack, described annular rack and institute
State travelling gear engagement.
3. horizontal bell furnace according to claim 1 it is characterised in that：Described supporting structure includes at least 4 groups supporting groups
Part, described bearing assembly includes the first support roller, the first supporting-roller shaft and the first bearing, and described first support roller is sheathed on described first support
On wheel shaft, described first supporting-roller shaft rotates on described first bearing, and each described first supporting-roller shaft axially all with described
Coil of strip care set axially in parallel；Each described first bearing is symmetrically arranged in described stationary housings along the axis of described coil of strip care set
Shell bottom, and corresponding at each described first support position, vertically set in the inside the shell of described stationary housings
There is slideway, near the one end open of described burner hearth, each described first bearing is slidedly arranged in corresponding slideway described slideway respectively.
4. horizontal bell furnace according to claim 3 it is characterised in that：Described lifting structure includes multiple drive rods, institute
Stating drive rod is adjusting screw rod or hydraulic-driven bar, and the quantity of described drive rod is identical with the quantity of described first bearing and one by one
It is correspondingly arranged, each described drive rod is all vertically arranged on the shell of described stationary housings and top and corresponding first bearing bottom
Portion contacts；Equal encapsulation process at the cage connection of each described drive rod and described stationary housings.
5. horizontal bell furnace according to claim 1 it is characterised in that：Bottom and described mobile terminal in described stationary housings
In lid, bottom is equipped with position-limited wheel, when described coil of strip care set is in rotation position, the bottom two ends of described coil of strip care set respectively close to
Position-limited wheel described in two.
6. horizontal bell furnace according to any one of claim 1 to 5 it is characterised in that：Described translation mechanism includes many
Group translation assembly, described translation assembly includes the second support roller, the second supporting-roller shaft and the second bearing, and described second support roller is sheathed on institute
State in the second supporting-roller shaft, and be provided with bearing between described second support roller and described second supporting-roller shaft, described second supporting-roller shaft rotates
On described second bearing, each described second bearing is arranged in order in described burner hearth bottom in the horizontal direction, and each described second
Supporting-roller shaft axially all axially in parallel with vertical direction and described coil of strip care set.
7. horizontal bell furnace according to any one of claim 1 to 5 it is characterised in that：Described heating arrangements include electricity
Stopband, the binding post of described resistor is arranged on corresponding described stationary housings or the shell of described mobile end cap, and with right
Pass through insulating sealer encapsulation process at the cage connection answered.
8. horizontal bell furnace according to any one of claim 1 to 5 it is characterised in that：The internal ring of described coil of strip care set
And outer shroud between, refractory masses and thermal insulation layer are sequentially provided with to outer shroud direction by internal ring；In described refractory masses, near institute
State and in coil of strip care set, be equipped with multiple receiving holes, the axial direction of each described receiving hole is all axially in parallel with described coil of strip care set, many
Individual described receiving hole is uniformly circular layout, and each described receiving in the hole is provided with least one resistance wire；Outside described coil of strip care set
Ring is provided with three conducting rings, and each described resistance wire is respectively electrically connected with three described conducting rings, right in described stationary housings
Carbon brush should be provided with, when described coil of strip care set moves in described burner hearth, described carbon brush is contacted with three described conducting rings respectively.
9. horizontal bell furnace according to any one of claim 1 to 5 it is characterised in that：Described horizontal bell furnace also wraps
Include core support member, described core support member is the hollow cylinder being made up of refractory material, is flush-mounted in coil of strip and prevents coil of strip
Collapse Deformation；Described core support member is formed in one part, or is radially divided into many parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510521247.2A CN105018715B (en) | 2015-08-24 | 2015-08-24 | Horizontal bell furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510521247.2A CN105018715B (en) | 2015-08-24 | 2015-08-24 | Horizontal bell furnace |
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| CN105018715A CN105018715A (en) | 2015-11-04 |
| CN105018715B true CN105018715B (en) | 2017-03-08 |
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| CN201510521247.2A Active CN105018715B (en) | 2015-08-24 | 2015-08-24 | Horizontal bell furnace |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106086799A (en) * | 2016-06-24 | 2016-11-09 | 李晓马 | Stainless-steel vacuum multi-arc ion plating film special horizontal stove pivoted frame supporting chassis |
| CN110129547A (en) * | 2019-06-12 | 2019-08-16 | 山西太钢不锈钢精密带钢有限公司 | The bell furnace heat treatment method of ultra-thin stainless steel band |
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| JP2005264278A (en) * | 2004-03-22 | 2005-09-29 | Jfe Steel Kk | Finish annealing method for grain oriented electrical steel sheet coil |
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