CN206173409U - Hood -type annealing furnace - Google Patents
Hood -type annealing furnace Download PDFInfo
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- CN206173409U CN206173409U CN201621218907.6U CN201621218907U CN206173409U CN 206173409 U CN206173409 U CN 206173409U CN 201621218907 U CN201621218907 U CN 201621218907U CN 206173409 U CN206173409 U CN 206173409U
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- annealing furnace
- type annealing
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Abstract
The utility model discloses a hood -type annealing furnace, including the stove top, by interiorly being equipped with the inner cover outside to in proper order, adding heat exchanger and shell on the stove top, be equipped with circulating fan in the stove top and be used for driving circulating fan's driving motor, the last diffusion equipment that is equipped with of circulating fan, the stove top center is equipped with the passageway, circulating fan will protect gas to blow in the inner cover from the passageway to through diffusion equipment uniform air distribution and lateral diffusion, make the interior protection gas circulation of inner cover. The utility model discloses a protection gas evenly distributed in the inner cover, heat treatment effect is good.
Description
Technical field
The utility model is related to steel, alloy and the product to carry out technical field of heat treatment, more specifically, it relates to a kind of
Bell type annealing furnace.
Background technology
Visual plant during cold-rolled steel coils bell type annealing furnace in cold-rolled steel sheet production procedure, before cold-rolled steel sheet finished product
Recrystallization annealing, annealing quality can directly affect the mechanical performance and surface smoothness of cold-rolled steel sheet.Although current coil annealing
It is a large amount of to use continuous annealing process, but cover annealing equipment is easily changed product variety and yield, do not produced because having
One of the limitation of product specification, the low advantage of gross investment, therefore be still at present the capital equipment of cold-rolled steel coils annealing, at home and abroad greatly
Still in application in most steel mills.
The Chinese patent of Publication No. CN202576511U discloses a kind of bell type annealing furnace in the prior art, pack housing,
Table and blower fan, flame-proof thermal insulation material is embedded with described housing, and ripple inner cover is provided between the housing and burner hearth, in the shell
Body wall is provided with burner, and the bottom of table is provided with blower fan, and pure hydrogen is uniformly blowed in burner hearth by blower fan, and housing is located at stove
On platform.
Said apparatus are heat-treated to the coil of strip in inner cover, mix appropriate protection gas, make processed coil of strip surface
Non-oxidizing bright.But, due to inner cover be located between coil of strip and heating mantles, inside be full of protective gas, coil of strip plus H/C
But mainly by inner cover and protection gas, the heat convection between protection gas and coil of strip and the heat radiation between inner cover and coil of strip
Exchange heat to realize, internal protection gas lateral flow is slow, protection gas skewness in inner cover, heat treatment time is long.
Utility model content
In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of bell type annealing furnace, in inner cover
Protection gas is evenly distributed, and thermal effectiveness is good.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of bell type annealing furnace,
Including table, inner cover, heating mantles and shell are sequentially provided with the table from inside to outside, be provided with the table circulating fan with
And for the motor of driving cycle blower fan, the circulating fan is provided with disperser, the table center is provided with passage,
The circulating fan will protect gas to be blown into inner cover from passage, and by disperser even distributing wind and horizontal proliferation, make in inner cover
Protection gas circulation.
Heat convection between gas and coil of strip is protected in above-mentioned technical proposal, inner cover by using, protection gas blows out from tuyere,
Wherein, vertically blowout enters inner cover to the protection gas for being blown out from circular bottom plate upwards, and continuation is moved, arrived upwards along inner cover
Up to inner cover top and then to axial flowing, between coil of strip after heat convection, the protection gas of cooling sinks, by arc side plate
The protection gas of the gas to sinking of protecting of tuyere blowout is laterally purged, so that protect gas to automatically form one in inner cover looping back
Road so that protection gas is evenly distributed in inner cover, and thermal effectiveness is good.
The utility model is further arranged to：The disperser includes wind collection body, is arranged on below wind collection body
Inlet scoop, and it is arranged on the air distribution plate above inlet scoop.
By using above-mentioned technical proposal, circulating fan is rotated and for protection gas inner cover is blown into from passage, by inlet scoop
The wind collection body of disperser is sucked, then by air distribution plate even distributing wind, protection gas is evenly distributed in inner cover.
The utility model is further arranged to：The air distribution plate includes circular bottom plate, and is circumferentially enclosed along circular bottom plate and set
Arc side plate, the section of the arc side plate and circular bottom plate is the taper of opening upwards, the arc side plate and circular base
Some air outlets are evenly equipped with plate.
By using above-mentioned technical proposal, circulating fan is rotated and for protection gas inner cover is blown into from passage, and by diffusion
Device makes protection gas be flowed along fixed-direction, is then uniformly blown into inner cover by air distribution plate, make protection gas week in inner cover and
The automatic cycle for renewing.
The utility model is further arranged to：The arc side plate and corresponding air outlet position on the upper surface of circular bottom plate
It is respectively equipped with tuyere.
By using above-mentioned technical proposal, the protection gas of tuyere blowout in circular bottom plate is vertically purged, make arc
The protection gas of tuyere blowout is laterally purged in the horizontal direction on shape side plate, the protection gas that tuyere blows out is purged along fixed-direction,
So as to gas circulation can be protected in inner cover without other power.
The utility model is further arranged to：The axial cross section of the tuyere is up-small and down-big truncated cone-shaped.
By using above-mentioned technical proposal, it is to avoid dust etc. is blocked, and simple structure, easily manufactured.
The utility model is further arranged to：The inclination angle constituted between the arc side plate and circular bottom plate is 10 to 30
Degree.
By using above-mentioned technical proposal, protection gas is evenly distributed in inner cover, and maximum magnitude in inner cover
Flowing, thermal conductivity is good, and heat treatment time is short.
The utility model is further arranged to：Burner is provided with the heating mantles, the burner is provided with two-layer, encloses set respectively
On the wall of heating mantles side.
Set by using above-mentioned technical proposal, burner two-layer, while opening is heated to inner cover, heat treatment efficiency
Height, upper strata burner is closed when burning reaches to a certain degree, and heat is only supplied by lower floor, facilitates computer heating control, improves heating
Uniformity.
The utility model is further arranged to：The table is provided with the load support for carrying coil of strip and inner cover.
By using above-mentioned technical proposal, good supporting role is played to coil of strip on table, coil of strip is not easily moveable, enters
One step strengthens the bearing capacity of table.
The utility model is further arranged to：The inner cover is provided with ripple, the ripple along inner cover laterally or longitudinally
Arrangement.
By using above-mentioned technical proposal, inner cover ripple is set, improves the rigidity of inner cover, the heat time can be shortened,
Production capacity is improved, extends the inner cover life-span, while being conducive to improve product quality.
In sum, the utility model has the advantages that：
First, disperser is set on circulating fan, so that protection gas automatically forms a circulation loop in inner cover,
So that protection gas is evenly distributed in inner cover, thermal effectiveness is good.
Second, arc side plate is the taper of opening upwards with the section of circular bottom plate, protection gas in inner cover is set to go round and begin again
Automatic cycle.
Third, the axial cross section of tuyere is up-small and down-big truncated cone-shaped, it is to avoid dust etc. is blocked, and simple structure, manufacture
It is convenient.
Fourth, heating mantles side wall is provided with two-layer burner, while opening is heated to inner cover, heat treatment efficiency is high, when
Upper strata burner is closed when burning reaches to a certain degree, heat is only supplied by lower floor, facilitates computer heating control, improves the uniform of heating
Property.
Fifth, table is provided with the load support for carrying coil of strip and inner cover, branch well is played to coil of strip on table
Support is acted on, and coil of strip is not easily moveable, further enhances the bearing capacity of table.
Brief description of the drawings
Fig. 1 is the structural representation of the present embodiment；
Fig. 2 is the axial sectional view of the present embodiment；
Fig. 3 is the present embodiment table structural representation；
Fig. 4 is the present embodiment table axial sectional view；
Fig. 5 is the structural representation of the present embodiment disperser；
Fig. 6 is the structural representation that protection gas circulation is formed in the present embodiment inner cover；
In figure：1st, table；4th, inner cover；5th, heating mantles；6th, shell；2nd, circulating fan；3rd, motor；9th, disperser；
10th, passage；91st, wind collection body；92nd, inlet scoop；93rd, air distribution plate；931st, circular bottom plate；932nd, arc side plate；933rd, air outlet；
934th, tuyere；7th, burner；11st, load support.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
Embodiment：A kind of bell type annealing furnace, as shown in figure 1, including table 1, being covered with shell 6 in the top of table 1, outside
There is fairlead 12 in equidistant branch in the circumference of shell 6, and each fairlead 12 is arranged on guide pillar 13, and fairlead 12 can be along
Guide pillar 13 is slided up and down, so as to realize the opening and closing of shell 6.
Such as Fig. 2, inner cover 4 and heating mantles 5 are additionally provided with table 1, inner cover 4 and heating mantles 5 are arranged in shell 1, its
Middle inner cover 4 is arranged on innermost layer, and heating mantles 5 is arranged between inner cover 4 and shell 6, and burner 7, the edge of burner 7 are provided with shell 6
Uniform the enclosing of the side wall of shell 1 sets, including upper and lower two-layer, when heating to a certain extent, closes upper strata burner 7, only opens a lower floor and burns
Mouth 7.
Such as Fig. 4, passage 10 is provided with the middle of table 1, motor 3 is provided with the middle of passage 10, the rotating shaft of motor 3 connects
Circulating fan 2 is connect, disperser 9 is provided with circulating fan 2.
As Fig. 5 and Fig. 6, disperser 9 include wind collection body 91, the bottom of wind collection body 91 is provided with inlet scoop 92, collects wind
The top of cylinder 91 is provided with air distribution plate 93, and the centre of air distribution plate 93 is circular bottom plate 931, is provided with out in the upper measurement of circular bottom plate 931
The upward arc side plate 932 of mouth, is respectively provided with air outlet 933, air outlet 933 in circular bottom plate 931 and arc side plate 932
It is arranged in circular bottom plate 931 and arc side plate 932 at equal intervals, is set in circular bottom plate 931 and the upper surface of arc side plate 932
There is tuyere 934, tuyere 934 is corresponded with the position of air outlet 933.
As Fig. 6, protection gas are sucked in wind collection body 91 from inlet scoop 92, enter into protection gas in wind collection body 91 and enter
Air port 933, and blown out by tuyere 934, wherein, the protection gas blown out from circular bottom plate 931 vertically blows out upwards
Into inner cover 4, continuation is moved upwards along inner cover 4, the top of inner cover 4 is reached and then to horizontal direction lateral flow, between coil of strip
After protection gas heat convection, the protection gas of cooling sinks, and the protection gas blown out by the tuyere 934 of arc side plate 932 is to sinking
Protection gas laterally purge so that protection gas automatically forms a circulation loop in inner cover 4, it is not necessary to be further added by external dynamic
Power so that protection gas is evenly distributed in inner cover 4, and thermal effectiveness is good.
As Fig. 3, the outside of disperser 9 are provided with load support 11, load support 11 is provided with 4, respectively distribution at equal intervals
On table 1, good supporting role is played to coil of strip on table 1, further enhance the bearing capacity of table.
The above is only preferred embodiment of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.Should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (9)
1. a kind of bell type annealing furnace, including table (1), it is characterised in that：Inner cover is sequentially provided with from inside to outside on the table (1)
(4) circulating fan (2) is provided with, heating mantles (5) and shell (6), the table (1) and for driving cycle blower fan (2)
Motor (3), the circulating fan (2) is provided with disperser (9), and table (1) center is provided with passage (10), described
Circulating fan (2) will protect gas to be blown into inner cover (4) from passage (10), and by disperser (9) even distributing wind and horizontal proliferation,
Circulate protection gas in inner cover (4).
2. a kind of bell type annealing furnace according to claim 1, it is characterised in that：The disperser (9) is including wind collection
Body (91), is arranged on the inlet scoop (92) below wind collection body (91), and be arranged on the air distribution plate above inlet scoop (92)
(93)。
3. a kind of bell type annealing furnace according to claim 2, it is characterised in that：The air distribution plate (93) is including circular bottom plate
(931) arc side plate (932) for setting, the arc side plate (932) and circular bottom plate, and along circular bottom plate (931) are circumferentially enclosed
(931) section is the taper of opening upwards, and some air-out are evenly equipped with the arc side plate (932) and circular bottom plate (931)
Mouth (933).
4. a kind of bell type annealing furnace according to claim 3, it is characterised in that：The arc side plate (932) and circular base
Correspondence air outlet (933) position is respectively equipped with tuyere (934) on the upper surface of plate (931).
5. a kind of bell type annealing furnace according to claim 4, it is characterised in that：The axial cross section of the tuyere (934) is
Up-small and down-big truncated cone-shaped.
6. a kind of bell type annealing furnace according to claim 4, it is characterised in that：The arc side plate (932) and circular base
The inclination angle constituted between plate (931) is 10 to 30 degree.
7. a kind of bell type annealing furnace according to claim 1, it is characterised in that：Burner is provided with the heating mantles (5)
(7), the burner (7) is provided with two-layer, encloses be located on the wall of heating mantles (5) side respectively.
8. a kind of bell type annealing furnace according to claim 7, it is characterised in that：The table (1) is provided with for carrying
The load support (11) of coil of strip and inner cover (4).
9. a kind of bell type annealing furnace according to claim 8, it is characterised in that：The inner cover (4) is provided with ripple, described
Ripple along inner cover (4) horizontal and vertical arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621218907.6U CN206173409U (en) | 2016-11-11 | 2016-11-11 | Hood -type annealing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621218907.6U CN206173409U (en) | 2016-11-11 | 2016-11-11 | Hood -type annealing furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206173409U true CN206173409U (en) | 2017-05-17 |
Family
ID=58684320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621218907.6U Active CN206173409U (en) | 2016-11-11 | 2016-11-11 | Hood -type annealing furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206173409U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107217125A (en) * | 2017-05-25 | 2017-09-29 | 明光市通力工业电炉有限责任公司 | A kind of high hydrogen bell-type spheroidizing annealing furnace with dust arrester |
| CN109536679A (en) * | 2018-12-27 | 2019-03-29 | 江西耐乐铜业有限公司 | A kind of bell type annealing furnace |
| CN110303071A (en) * | 2019-08-07 | 2019-10-08 | 包头威丰新材料有限公司 | A kind of equipment that CB line inner cover circularity is corrected again |
| CN111330519A (en) * | 2020-03-17 | 2020-06-26 | 唐山海港德泰新材料技术有限公司 | Fluid distributor, preparation method and application thereof |
-
2016
- 2016-11-11 CN CN201621218907.6U patent/CN206173409U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107217125A (en) * | 2017-05-25 | 2017-09-29 | 明光市通力工业电炉有限责任公司 | A kind of high hydrogen bell-type spheroidizing annealing furnace with dust arrester |
| CN107217125B (en) * | 2017-05-25 | 2019-02-01 | 明光市通力工业电炉有限责任公司 | A kind of high hydrogen bell-type spheroidizing annealing furnace with dust-extraction unit |
| CN109536679A (en) * | 2018-12-27 | 2019-03-29 | 江西耐乐铜业有限公司 | A kind of bell type annealing furnace |
| CN110303071A (en) * | 2019-08-07 | 2019-10-08 | 包头威丰新材料有限公司 | A kind of equipment that CB line inner cover circularity is corrected again |
| CN111330519A (en) * | 2020-03-17 | 2020-06-26 | 唐山海港德泰新材料技术有限公司 | Fluid distributor, preparation method and application thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 311200 Xiaoshan Jiangdong District, Zhejiang, Hangzhou Jiangdong Industrial Park Road, No. 7068, No. Patentee after: Zhejiang southeastern New Wood Technology Co., Ltd. Address before: 311200 Xiaoshan Jiangdong District, Zhejiang, Hangzhou Jiangdong Industrial Park Road, No. 7068, No. Patentee before: Zhejiang Southeast Metal Sheet Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |