CN206478986U - A kind of utilization sheet billet continuous casting waste heat dries the device of iron scale - Google Patents
A kind of utilization sheet billet continuous casting waste heat dries the device of iron scale Download PDFInfo
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- CN206478986U CN206478986U CN201720051657.XU CN201720051657U CN206478986U CN 206478986 U CN206478986 U CN 206478986U CN 201720051657 U CN201720051657 U CN 201720051657U CN 206478986 U CN206478986 U CN 206478986U
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- iron scale
- waste heat
- dried
- continuous casting
- mobile sealing
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Abstract
The utility model provides the device and method that iron scale is dried using sheet billet continuous casting waste heat, and the device includes：Naturally the wet oxidation iron sheet dried is hung to receiver bin by cantilever crane, cantilever crane, mobile sealing chain mat machine, mobile sealing chain mat machine is horizontally set on cut after above hot sending roller-way；Receiver bin, receiver bin is located above mobile sealing chain mat machine, after receiver bin material is full, and the first electric gate valve that receiver bin bottom is set is opened, and wet oxidation iron sheet is unloaded to mobile sealing chain mat machine, and iron scale is dried using slab waste heat；Belt feeder, belt feeder extends to finished bin with default inclination angle from mobile sealing carrier bar motor spindle, the iron scale dried by slab waste heat is transported in finished bin along belt feeder, after finished bin is full, second electric gate valve is opened, and dry iron scale is transported to the feeding system of metallurgical furnace by transport vehicle.It is less than 1% using the iron scale moisture content of continuous casting billet radiant heat drying, its reduced investment, operating cost are low, rational technology.
Description
Technical field
The utility model belongs to the technical field of continuous casting process and comprehensive utilization of resources, specifically, is related to a kind of utilization
Sheet billet continuous casting waste heat dries the device and method of iron scale.
Background technology
Iron and steel enterprise is the basic industry of national economy, under the fast-developing situation of national economy, and output of steel is in recent years not
Disconnected to improve, China's crude steel yield of 2015 reaches 8.04 × 108T/a, accounts for global crude steel yield 49.5%.
Steel and iron industry is the rich and influential family of energy resource consumption, and the energy consumption of China's steel and iron industry accounts for 15% or so of national total energy consumption,
Energy effective efficiency in Production Process for Steel Enterprise is only 30%, and the observable index world of emphasis large and medium-sized enterprise of China first intakes
Flat to be higher by 10% or so, the low of energy use efficiency causes iron and steel enterprise's energy cost increase, and product competitiveness declines.
At present, the UTILIZATION OF VESIDUAL HEAT IN of CC at home ＆ abroad base is less, and SUMITOMO CHEMICAL metal industry company and Hitachi are developed into jointly
Work(the first in the world platform reclaims the device of continuous casting billet sensible heat with " heated Tube cools down stove of admiring ", and the sensible heat of continuous casting steel billet can pass through
It is recycled installed in the heating tube (totally 150) on roller-way top.The domestic research almost blank, therefore grind on the field
The UTILIZATION OF VESIDUAL HEAT IN for studying carefully continuous casting billet is particularly important to improving the efficiency of energy utilization of enterprise, the production cost of reduction enterprise.
Steelshop internal oxidition iron sheet is the oxide of steel billet generation in continuous casting production process, and its main component is Fe2O3、
Fe3O4, FeO and a small amount of iron and other impurities element, its all iron content is up to more than 70%, recycles value high.It is domestic at present
Most of producer is directly to be utilized in steelmaking converter, but wet oxidation iron sheet contains certain moisture, thus can not directly enter stove,
Have to pass through processing and toasted drying, prevent accident from occurring and influence product quality.
Utility model content
According to one side of the present utility model, there is provided the device that a kind of utilization sheet billet continuous casting waste heat dries iron scale
And method,
A kind of utilization sheet billet continuous casting waste heat dries the device of iron scale, including：Cantilever crane, its will dry naturally after it is wet
Iron scale is hoisted to receiver bin, mobile sealing chain mat machine, it is horizontally set on cut after be heat-fed the top of roller-way；Receiver bin,
It is located at the top of mobile sealing chain mat machine, and after receiver bin material is full, the first electric gate valve that receiver bin bottom is set is beaten
Open, wet oxidation iron sheet is unloaded to mobile sealing chain mat machine, iron scale is dried using slab waste heat；Belt feeder, it is from movement
Formula sealing carrier bar motor spindle extends to finished bin, wherein, the iron scale dried by slab waste heat is transported to finished product along belt feeder
In storehouse, after finished bin is full, the second electric gate valve is opened, and dry iron scale is unloaded to transport vehicle, and transport vehicle is by iron scale
It is transported to the feeding system of metallurgical furnace.
Preferably, multiple vertically-mounted fixed plates are respectively arranged with the both sides of mobile sealing chain mat machine, in fixation
The lower end of plate is connected by rotary shaft and portable plate, and the lower end of portable plate is extended at hot sending roller-way, also, each fixed plate is again
Portable plate is connected by Electrohydraulic push rod so that after portable plate rotates around rotary shaft and turned up, mobile sealing chain mat machine being capable of side
Rear roller way system is cut to moving out.
Preferably, fixed plate, portable plate are constituted by steel plate and heat-insulated liner plate.
Preferably, handling distance is reserved between mobile sealing chain mat machine and the baffle plate at hot sending roller-way rear, the handling
Maximum scale of the distance not less than 1.5 times of slabs.
Preferably, it is additionally provided with silo-wall shaker in the bottom of receiver bin.
Preferably, belt feeder is horizontal by default inclination angle.
The drying facility of iron scale-mobile sealing chain mat machine is creatively arranged in sheet billet continuous casting by the utility model
After machine-cut above roller-way, online dry is carried out to wet oxidation iron sheet using slab waste heat so that the moisture content of final iron scale
Less than 1%, the requirement that converter is recycled is reached, there is higher economic benefit and social benefit.
Brief description of the drawings
By the way that embodiment is described with reference to accompanying drawings below, features described above of the present utility model and technological merit will
Become more fully apparent and be readily appreciated that.
Fig. 1 is the floor plan that the sheet billet continuous casting waste heat that the utility model embodiment is related to dries iron scale technique；
Fig. 2 is Fig. 1 A-A to sectional view；
Fig. 3 is the protective plate elevation that the utility model embodiment is related to；
Fig. 4 is Fig. 3 B-B direction sectional view.
Wherein, flame cutting machine 1, cantilever crane 2, track, hot sending roller-way 4, mobile sealing chain mat machine 5, finished bin 6, from
Unload automobile 7, high angle belt conveyer 8, slab 9, baffle plate 10, receiver bin 11, wet oxidation iron sheet 12, silo-wall shaker 13, first electronic
It is push-pull valve 14, the second electric gate valve 15, reducing motor 16, fixed plate 17, Electrohydraulic push rod 18, portable plate 19, steel plate 20, heat-insulated
Liner plate 21, rotary shaft 22, cylinder pedestal 23, head connecting plate 24.
Embodiment
Below with reference to the accompanying drawings iron scale is dried to describe one kind described in the utility model using sheet billet continuous casting waste heat
Device and method embodiment.One of ordinary skill in the art will recognize, without departing from spirit of the present utility model
In the case of scope, described embodiment can be modified with a variety of modes or its combination.Therefore, accompanying drawing
It is inherently illustrative with description, it is not intended to limit the scope of the claims.In addition, in this manual,
Accompanying drawing is drawn not in scale, and identical reference represents identical part.
Flame cutting machine 1 is used for the slab of length needed for the strand of aligning is cut into, and slab is heat-fed roller-way 4 after cutting and moved
It is sent at subsequent processing.As shown in figure 1, slab is moved from left to right, and for convenience, the direction for hereinafter moving slab
Referred to as rear (i.e. right in Fig. 1).In order to using the waste heat of slab, the top of roller-way 4 is heat-fed after cutting, movable type is provided with
Chain mat machine 5 is sealed, receiver bin 11 is additionally provided with the top of mobile sealing chain mat machine 5.Set at the rear of flame cutting machine 1
Wet oxidation iron sheet 12 after having rotating arm crane 2, cantilever crane 2 to dry naturally is hoisted in receiver bin 11.After the material of receiver bin 11 is full,
The first electric gate valve 14 that receiver bin bottom is set is opened, wet oxidation iron sheet unload to be arranged in cut after hot sending roller-way 4 top
On mobile sealing chain mat machine 5.Especially, in order to which iron scale falls smoothly, bulkhead shake is additionally provided with the bottom of receiver bin
Dynamic device 13, ensures that iron scale is smoothly slipped on mobile sealing chain mat machine 5 by vibrating.It need to be left in view of cutting rear slab
Left between the baffle plate 10 at enough handling spaces, the rear end 5 of mobile sealing chain mat machine and hot sending roller-way rear it is certain away from
From the distance is substantially equal to the maximum scale of about 1.5 times of slabs, meets enough handling spaces of strand.It is heat-fed the delivery board of roller-way 4
While base 9, mobile sealing chain mat machine 5 is also slow to convey iron scale.During transfer, the waste heat of slab to
Iron scale above slab has drying functions.Dried iron scale is unloaded to belt feeder 8, belt feeder 8 and horizontal plane
With larger inclination angle, it extends to finished bin from mobile sealing carrier bar motor spindle, and iron scale is transported into by belt feeder 8
In product storehouse 6.After finished bin 6 is full, the second electric gate valve is opened, finished bin 6 unloads the iron scale after drying to dump truck
7, iron scale is transported to the feeding system of converter by dump truck 7 again.
Especially, in order to make full use of slab waste heat, it is respectively arranged with the both sides of mobile sealing chain mat machine with guarantor
The fixed plate of temperature effect, specifically, the both sides of mobile sealing chain mat machine 5 are respectively arranged with multiple fixed plates 17, fixed plate 17
Plate face it is vertically-mounted, the lower end of fixed plate is extended at hot sending roller-way, and fixed plate is by 21 groups of steel plate 20 and heat-insulated liner plate
Into to reduce heat of the slab downwards with side diffusion, due to the barrier of the fixed plate, the heat of slab is communicated up dewing
Iron scale, reaches more preferable drying effect.
Mobile sealing chain mat machine is arranged on the top of hot sending roller-way 4, when plant maintenance or slab 9 occurs in slab caster
When accident is cut, mobile sealing chain mat machine can hinder maintenance work.Therefore, fixed plate can have upset structure,
After fixed plate upset, mobile sealing chain mat machine 5 can be removed and cut rear roller way system.Lower mask body is illustrated.For example, moving
The fixed plate 17 of the side of dynamic formula sealing chain mat machine 5 can be arranged to the form of fixed plate and portable plate connection, i.e. fixed plate 17
Plate face it is vertically-mounted, connected in the lower end of fixed plate by rotary shaft 22 and portable plate 19.Portable plate 19 can be around rotation
Axle 22 is rotated, and is cut rear roller way system in order to be translated out for mobile sealing chain mat machine and is provided space.Often section fixed plate 17 passes through
Electrohydraulic push rod 18 connects portable plate 19, and specifically, the cylinder pedestal 23 of Electrohydraulic push rod is arranged in fixed plate 17, head connection
Plate 24 is then welded on portable plate 19.Normally in use, Electrohydraulic push rod stretches out, portable plate upset is in the lower section of fixed plate, activity
The lower end of plate is extended at hot sending roller-way, and portable plate and fixed plate prevent heat diffusion from going out jointly.When slab caster occurs
When plant maintenance or the cutting of the accident of slab 9, Electrohydraulic push rod 8 is shunk, and portable plate 19 is rotated in place around rotary shaft, passes through the electricity that slows down
The driving mobile sealing of machine 16 chain mat machine 5, which is displaced sideways out, cuts rear roller way system, into wait state.Fixed plate 17 and portable plate
19 structures are constituted by steel plate 20 and heat-insulated liner plate 21.
The device of the drying iron scale of the present embodiment, by the drying facility of iron scale-mobile sealing chain mat machine cloth
Put above sheet billet continuous casting machine-cut back roller road, online dry is carried out to wet oxidation iron sheet using slab waste heat so that final oxidation
The moisture content of iron sheet is less than 1%, reaches the requirement that converter is recycled, very worth to be promoted and answered in iron and steel enterprise
With.
According to other side of the present utility model, there is provided a kind of technique side of utilization slab residual heat drying iron scale
Method.It is followed the steps below using the device of above-described dry iron scale.
1) cantilever crane hangs the wet oxidation iron sheet dried naturally into receiver bin.
2) after the material in receiver bin is full, the first electric gate valve is opened, and wet oxidation iron sheet falls in mobile sealing chain mat machine
On, moved with mobile sealing chain mat machine along slab transfer direction, the waste heat using the slab of lower section is online to wet oxidation iron sheet
Drying.The speed of service that speed sets chain mat machine is heat-fed according to slab, for example, the inside carrier bar speed of service of chain mat machine can be set
It is set to 0~0.25m/s；Portable chain mat machine translational speed is about 10m/min.
3) iron scale by drying is moved at belt feeder, and finished bin is conveyed into through belt, then will by dump truck
Iron scale is transported to the feeding system of metallurgical furnace.Wherein, the inclination angle of bandwidth B=600mm of feed belt, belt and horizontal plane
Angle is 75 °, and the speed of service of belt is 1.0m/s.
Wherein, normally in use, Electrohydraulic push rod is retracted, portable plate is overturn in the lower section of fixed plate, when slab caster goes out
When existing plant maintenance or the cutting of the accident of slab 9, multiple Electrohydraulic push rods 8 are stretched out simultaneously, and portable plate 19 is rotated in place around rotary shaft,
It is displaced sideways out for example, by the driving mobile sealing of reducing motor 16 chain mat machine 5 and cuts rear roller way system, is waited for.
The utility model is carried out online by being erected at the mobile sealing chain mat machine above sheet billet continuous casting machine-cut back roller road
Dry, iron scale is effectively dried using continuous casting billet radiant heat energy, dried iron scale moisture content is less than 1%, drying
Iron scale afterwards is stored in finished bin, then is transported to by dump truck the feeding system of converter.For wet oxidation iron sheet
Recycle and lay the foundation, be that a kind of reduced investment, operating cost is low, rational technology processing mode.What the utility model was taken
Sealing chain mat machine is portable, when plant maintenance or the cutting of slab accident occurs in slab caster, can move to roller-way with electronic
Side, it is reasonable in design.Dried iron scale energy directly back mixing steel stove is used, and reduces production run cost.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this area
Technical staff for, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle within,
Any modification, equivalent substitution and improvements made etc., should be included within protection domain of the present utility model.
Claims (6)
1. a kind of utilization sheet billet continuous casting waste heat dries the device of iron scale, including：
Cantilever crane, its wet oxidation iron sheet after drying naturally is hoisted to receiver bin,
Mobile sealing chain mat machine, it is horizontally set on cut after be heat-fed roller-way top；
Receiver bin, it is located at the top of mobile sealing chain mat machine, after receiver bin material is full, the first electricity that receiver bin bottom is set
Dynamic push-pull valve is opened, and wet oxidation iron sheet is unloaded to mobile sealing chain mat machine, and iron scale is dried using slab waste heat；
Belt feeder, it extends to finished bin from mobile sealing carrier bar motor spindle,
Wherein, the iron scale dried by slab waste heat is transported in finished bin along belt feeder, after finished bin is full, the second electric inserting
Plate valve is opened, and dry iron scale is unloaded to transport vehicle, and iron scale is transported to the feeding system of metallurgical furnace by transport vehicle.
2. the device of iron scale is dried using sheet billet continuous casting waste heat as claimed in claim 1, wherein, in mobile sealing chain
The both sides of trigger are respectively arranged with multiple vertically-mounted fixed plates, are connected in the lower end of fixed plate by rotary shaft and portable plate
Connect, the lower end of portable plate is extended at hot sending roller-way,
Also, each fixed plate connects portable plate further through Electrohydraulic push rod so that after portable plate rotates around rotary shaft and turned up, and moves
Dynamic formula sealing chain mat machine, which can be displaced sideways out, cuts rear roller way system.
3. the device of iron scale is dried using sheet billet continuous casting waste heat as claimed in claim 2, wherein, fixed plate, portable plate
Constituted by steel plate and heat-insulated liner plate.
4. the device of iron scale is dried using sheet billet continuous casting waste heat as claimed in claim 1, wherein, mobile sealing carrier bar
Handling distance is reserved between machine and the baffle plate at hot sending roller-way rear, maximum scale of the handling distance not less than 1.5 times of slabs.
5. the device of iron scale is dried using sheet billet continuous casting waste heat as claimed in claim 1, wherein, in the bottom of receiver bin
It is additionally provided with silo-wall shaker.
6. the device of iron scale is dried using sheet billet continuous casting waste heat as claimed in claim 1, wherein, belt feeder and horizontal plane
In default inclination angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720051657.XU CN206478986U (en) | 2017-01-17 | 2017-01-17 | A kind of utilization sheet billet continuous casting waste heat dries the device of iron scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720051657.XU CN206478986U (en) | 2017-01-17 | 2017-01-17 | A kind of utilization sheet billet continuous casting waste heat dries the device of iron scale |
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| Publication Number | Publication Date |
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| CN206478986U true CN206478986U (en) | 2017-09-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107062860A (en) * | 2017-01-17 | 2017-08-18 | 中冶华天工程技术有限公司 | A kind of utilization sheet billet continuous casting waste heat dries the device and method of iron scale |
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- 2017-01-17 CN CN201720051657.XU patent/CN206478986U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107062860A (en) * | 2017-01-17 | 2017-08-18 | 中冶华天工程技术有限公司 | A kind of utilization sheet billet continuous casting waste heat dries the device and method of iron scale |
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