CN206440107U - The drying device of metallurgical raw material - Google Patents
The drying device of metallurgical raw material Download PDFInfo
- Publication number
- CN206440107U CN206440107U CN201621472325.0U CN201621472325U CN206440107U CN 206440107 U CN206440107 U CN 206440107U CN 201621472325 U CN201621472325 U CN 201621472325U CN 206440107 U CN206440107 U CN 206440107U
- Authority
- CN
- China
- Prior art keywords
- drying
- stove
- vertical
- separator
- raw material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The utility model provides the drying device of metallurgical raw material, including separator and vertical drying stove；Feed arrangement is installed at the vertical drying stove first charging aperture, the external hot gas source of vertical drying stove air inlet, the vertical drying stove gas outlet is connected by pipeline with the air inlet of separator；Gas outlet at the top of the separator is connected with flue, and the discharging opening of the separator bottom is connected by pipeline with the second charging aperture of vertical drying stove bottom.In the drying device of metallurgical raw material described in the utility model, processing is dried by hot gas source in vertical drying stove in raw materials for metallurgy, then gas-solid two phases are completed in separator, source of the gas after separation is discharged by flue, and solid is disposed in vertical drying stove, and device design is simple, it is easy to operate and controls, the drying effect of raw materials for metallurgy is splendid, and the raw materials for metallurgy in the source of the gas after desiccation is reclaimed in addition, extends the service life of follow-up cleaner.
Description
Technical field
The utility model belongs to technical field of smelting, more particularly, to the drying device of metallurgical raw material.
Background technology
In pyrometallurgical processes, raw materials for metallurgy, which is typically necessary, is dried, but drying can consume the substantial amounts of energy, account for
Smelt a large portion of comprehensive energy consumption.And the flue-gas temperature of coming out of the stove of part pyrometallurgical smelting process is very high, such as Corex ironmaking
Technique, converter steelmaking process, flash smelting smelting process etc., have portion of techniques personnel to attempt the flue gas come out of the stove with smelting come drying
Raw materials for metallurgy fails solution to reduce energy consumption, but there are many problems.Illustrate relevant issues by taking flash smelting as an example below：
The conventional drying means of current flash smelting raw material has rotary kiln drying, pneumatic conveying drying and steam drying, these sides
Method is both needed to consume certain energy, and Flash Smelting Furnace goes out kiln gas and is up to 1200-1600 DEG C, if can make full use of what is contained in flue gas
Material is dried heat energy, then drying process can be such that the waste heat in flue gas is effectively recycled again without power consumption.
Flash furnace exhaust gas is employed in existing newest melting dry technology directly raw materials for metallurgy to be dried, but have the disadvantage
Up to more than 1200 DEG C of high-temperature flue gas can be such that material melts are bonded on furnace wall, so that equipment fault is caused, further, since cigarette
The flow velocity of gas is fast, and a part of raw material can be taken away after drying, so that dust rate is too high in flue gas, influences making for follow-up dust collection device
Use the life-span.
Utility model content
In view of this, the utility model is directed to the drying device of metallurgical raw material, and wanting for production is smelted now to meet
Ask.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in：
The drying device of metallurgical raw material, including separator and vertical drying stove；
Feed arrangement is installed at the first charging aperture in the vertical drying furnace roof portion, the air inlet of the vertical drying stove lower end
The external hot gas source of mouth, the gas outlet of the vertical drying furnace upper end is connected by pipeline with the air inlet of separator, the vertical dry
The discharging opening of dry stove is arranged on furnace bottom；
Gas outlet at the top of the separator is connected with flue, and the discharging opening of the separator bottom passes through pipeline and vertical dry
The second charging aperture connection of dry stove bottom.
It is preferred that, the drying oven feed arrangement is the nozzle acted on dispersed material, and the metallurgy being sparged into stove is former
More preferable disperse is expected in stove, expands the specific surface area of material and gas contact.
Further, the gas outlet of the vertical drying stove is arranged on the drying oven furnace wall, the vertical drying furnace interior
Upper end vertical direction is provided with a baffle plate, and the gas outlet of the just vertical drying oven of the baffle plate is set, by the baffle plate by drying oven
The first charging aperture at top and the gas outlet of vertical drying stove are separated.The setting of baffle plate, makes to enter from drying oven feed arrangement
Raw material in stove will not be brought into the gas outlet of drying oven by air-flow, meanwhile, the flue of an outlet is also formd with tweer, is made
The hot gas source excluded by drying oven gas outlet flows to orderly, velocity-stabilization.
Further, this flue gas drying device also includes a waste heat boiler, and the waste heat boiler gas outlet is by pipeline and stands
The air inlet connection of formula drying oven.The setting of waste heat boiler ensure to enable the high temperature of smelting equipment go out kiln gas cool to 200 DEG C-
In the range of 850 DEG C, while carrying out just dedusting to flue gas and producing steam using the waste heat of flue gas.In actual applications, waste heat pot
Stove can also be replaced with cooling stack.
Further, the discharge outlet of the separator is provided with material-returning device.
Further, the discharge outlet of the vertical drying stove is provided with mouse cage beater.The effect of mouse cage beater is pair
The raw material that may reunite is broken up, feedstock transportation to dry feed bin after breaing up.In addition, discharging opening may also set up discharge with endless screw
Machine or auger conveyor, the dry material of spiral cooling output.
Further, the vertical drying stove furnace bottom position is equipped with cooling device., can be at drying oven bottom according to practical application
The cooling device of such as cooling jacket etc is set in the outer wall in portion or furnace wall, arranged so that the raw material of quick cool drying is convenient
Material.
Further, the distance of vertical direction is more than vertical drying between the air inlet of the vertical drying stove and its gas outlet
The 1/2 of stove vertical height.Above-mentioned setting ensures that material and air-flow can be in certain reverse convections, it is ensured that dry efficiency.
Further, the separator is cyclone separator.
Further, the gas outlet diameter of the separator is more than the air inlet diameter of separator.Pass through separator outlet
Mouth sectional area is more than the setting that air inlet section is accumulated, and makes the flue gas flow rate of separator outlet is relative to slow down with air inlet, meanwhile, by
It is located in flue under the top of separator, the flue dust for the solid-state being more beneficial in flue gas and drops down onto in separator, so as to further drops
Dust rate in low follow-up flue gas.
Relative to prior art, the drying device of metallurgical raw material described in the utility model has the advantage that：
In the drying device of metallurgical raw material described in the utility model, raw materials for metallurgy passes through hot gas source in vertical drying stove
Be dried processing, hot gas source raw materials for metallurgy is dried after by exhaust outlet dispatch to the separator of vertical drying stove, point
From gas-solid two phases are completed in device, the source of the gas after separation is discharged by flue, and solid is returned in vertical drying stove, and vertical
Drying raw materials for metallurgy in formula drying oven is discharged eventually through the discharge gate of drying oven together, and device design is simple, is easy to behaviour
Make and control, the drying effect of raw materials for metallurgy is splendid, and the raw materials for metallurgy in the source of the gas after desiccation is reclaimed in addition,
Extend the service life of follow-up cleaner.
Brief description of the drawings
Constitute a part of accompanying drawing of the present utility model to be used for providing further understanding to of the present utility model, this practicality is new
The schematic description and description of type is used to explain the utility model, does not constitute to improper restriction of the present utility model.
In accompanying drawing：
Fig. 1 is the drying device schematic diagram of the metallurgical raw material described in the utility model embodiment；
Description of reference numerals：
1- waste heat boilers；2- vertical drying stoves；3- baffle plates；4- flues；
5- separators；6- material-returning devices；7- feed arrangements；8- mouse cage beaters；
9- dries feed bin.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than indicate
Or imply that the device or element of meaning must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For to limitation of the present utility model.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating
Or imply relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In description of the present utility model, unless separately
It is described, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the utility model.
Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
The drying device of metallurgical raw material, including separator 5, vertical drying stove 2 and waste heat boiler 1；The vertical drying stove 2
Side furnace wall lower end is provided with air inlet, and the opposite side furnace wall upper end of vertical drying stove 2 is provided with gas outlet, the vertical drying stove
The distance of vertical direction is more than the 1/2 of vertical drying stove vertical height between air inlet and its gas outlet；Above-mentioned setting ensures material
Can be in certain reverse convection with air-flow, it is ensured that dry efficiency；
A baffle plate 3 is provided with the inner upper end vertical direction of vertical drying stove 2, the baffle plate 3 just vertical drying oven 2 goes out
Gas port is set, and is separated the gas outlet of the first charging aperture at the top of drying oven 2 and vertical drying stove 2 by the baffle plate 3；It is described
The top of vertical drying stove 2 is provided with first charging aperture, the first charging aperture and is provided with feed arrangement 7；
In the present embodiment, the setting of baffle plate 3, making will not be by air-flow band from the raw material that drying oven feed arrangement 7 enters in stove
Enter the gas outlet of drying oven 2, meanwhile, the flue of an outlet is also formd with tweer, makes to discharge by the gas outlet of drying oven 2
Hot gas source flow direction in order, velocity-stabilization.
In the present embodiment, feed arrangement 7 is sparged into the metallurgical raw material in stove from being the nozzle with dispersed material effect
More preferable disperse expands the specific surface area of material and gas contact in stove, and wet raw materials for metallurgy is sprayed into vertical by the nozzle arrangements
In the furnace chamber of formula drying oven 2, land under gravity, the air inlet of the lower end of vertical drying stove 2 passes through pipeline and waste heat pot
The gas outlet of stove 1 connect, by the waste heat boiler 1 into vertical drying stove 2 heat supply gas, the high temperature hot gas ramp up in whereabouts
Wet raw materials for metallurgy meets, and the moisture major part that wet raw materials for metallurgy is contained is vapor and is entrained by the flow of air by high-temperature gasification, from
And realize the drying to wet raw materials for metallurgy；The setting of waste heat boiler 1 ensures that the high temperature of smelting equipment is gone out kiln gas cools to
In the range of 200 DEG C -850 DEG C, while carrying out just dedusting to flue gas and producing steam using the waste heat of flue gas.In actual applications,
Waste heat boiler 1 can also be replaced with cooling stack.
The gas outlet of the upper end of vertical drying stove 2 is connected by pipeline with the air inlet of separator 5, the vertical drying stove
2 discharging opening is arranged on furnace bottom, for the ease of drying the smooth blanking of raw materials for metallurgy, is set in the discharge outlet of vertical drying stove 2
There is mouse cage beater 8, it would be possible to reunite after the material of furnace bottom is broken up through mouse cage beater 8, the dry feed bin 9 of feeding is standby,
It can be stored by Condensed transportation to smelting furnace furnace top bin；The gas outlet at the top of separator 5 is connected with flue 4, the separation
The discharging opening of the bottom of device 5 is connected by pipeline with the second charging aperture of the bottom of vertical drying stove 2.
In the present embodiment, the effect of mouse cage beater 8 is that the raw material that possible reunite is broken up, after breaing up that raw material is defeated
Deliver to dry feed bin 9.In addition, discharging opening may also set up screw discharger or auger conveyor, the dry thing of spiral cooling output
Material.
In the present embodiment, the separator 5 is cyclone separator, for the ease of the conveying to pulverized solid material, in institute
The discharge outlet for stating separator 5 is provided with material-returning device 6, and material-returning device 6 can be a motor, and electric machine main shaft connects a splash bar or strand
Dragon, splash bar or auger are stretched into the pipeline that the discharging opening of separator 5 is connected with the second charging aperture of vertical drying stove 2, pass through motor belt motor
Dynamic splash bar is rotatable around its axis, prevents material from assembling blocking, thus by the smooth conveying of material, and this material-returning device is common structure,
It is not described in detail again.
In the present embodiment, higher by the dried temperature of charge of vertical drying stove 2, in order to reduce the dried material temperature
Facilitate discharge, the furnace bottom position of vertical drying stove 2 is equipped with cooling device, and the cooling device is a kind of cooling jacket, cooling water
Set is in the side wall of the furnace bottom position of vertical drying stove 2.
In the present embodiment, the gas outlet diameter of the separator 5 is more than the air inlet diameter of separator 5, i.e. separator goes out
Gas port sectional area is accumulated more than air inlet section, makes the flue gas flow rate of separator outlet is relative to slow down with air inlet, simultaneously as cigarette
Road, which is located under the top of separator, the flue dust for the solid-state being more beneficial in flue gas, to be dropped down onto in separator, so that after further reducing
Dust rate in continuous flue gas.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (10)
1. the drying device of metallurgical raw material, it is characterised in that：Including separator (5) and vertical drying stove (2)；
Feed arrangement (7) is installed at first charging aperture at the top of the vertical drying stove (2), vertical drying stove (2) lower end
The external hot gas source of air inlet, the air inlet that the gas outlet of vertical drying stove (2) upper end passes through pipeline and separator (5) connects
Logical, the discharging opening of the vertical drying stove (2) is arranged on furnace bottom；
Gas outlet at the top of the separator (5) is connected with flue (4), the discharging opening of separator (5) bottom by pipeline and
The second charging aperture connection of vertical drying stove (2) bottom.
2. the drying device of metallurgical raw material according to claim 1, it is characterised in that：The drying oven feed arrangement is band
There is the nozzle that dispersed material is acted on, the more preferable disperse of metallurgical raw material being sparged into stove expands material and gas contact in stove
Specific surface area.
3. the drying device of metallurgical raw material according to claim 1, it is characterised in that：Vertical drying stove (2) go out
Gas port is arranged on drying oven (2) furnace wall, and vertical drying stove (2) the inner upper end vertical direction is provided with a baffle plate (3), should
The gas outlet of the just vertical drying oven (2) of baffle plate (3) is set, by the baffle plate (3) by the first charging aperture at the top of drying oven (2)
Separated with the gas outlet of vertical drying stove (2).
4. the drying device of metallurgical raw material according to claim 1, it is characterised in that：This flue gas drying device also includes one
Waste heat boiler (1), waste heat boiler (1) gas outlet is connected by pipeline with the air inlet of vertical drying stove (2).
5. the drying device of metallurgical raw material according to claim 1, it is characterised in that：The discharging opening of the separator (5)
Place is provided with material-returning device (6).
6. the drying device of metallurgical raw material according to claim 1, it is characterised in that：Vertical drying stove (2) go out
Mouse cage beater (8) is provided with material mouth.
7. the drying device of metallurgical raw material according to claim 1, it is characterised in that：Vertical drying stove (2) furnace bottom
Position is equipped with cooling device.
8. the drying device of metallurgical raw material according to claim 1, it is characterised in that：Vertical drying stove (2) are entered
The distance of vertical direction is more than the 1/2 of vertical drying stove (2) vertical height between gas port and its gas outlet.
9. the drying device of metallurgical raw material according to claim 1, it is characterised in that：The separator (5) is whirlwind point
From device.
10. the drying device of metallurgical raw material according to claim 1, it is characterised in that：The gas outlet of the separator (5)
Diameter is more than the air inlet diameter of separator (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621472325.0U CN206440107U (en) | 2016-12-30 | 2016-12-30 | The drying device of metallurgical raw material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621472325.0U CN206440107U (en) | 2016-12-30 | 2016-12-30 | The drying device of metallurgical raw material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206440107U true CN206440107U (en) | 2017-08-25 |
Family
ID=59643714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621472325.0U Active CN206440107U (en) | 2016-12-30 | 2016-12-30 | The drying device of metallurgical raw material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206440107U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106705621A (en) * | 2016-12-30 | 2017-05-24 | 天津闪速炼铁技术有限公司 | Drying device for metallurgical raw materials and drying method applying drying device |
-
2016
- 2016-12-30 CN CN201621472325.0U patent/CN206440107U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106705621A (en) * | 2016-12-30 | 2017-05-24 | 天津闪速炼铁技术有限公司 | Drying device for metallurgical raw materials and drying method applying drying device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206319126U (en) | New ceramics fibrofelt production system | |
| CN105021049B (en) | Vertical type cooling tower and sintering waste heat utilization system | |
| CN203529952U (en) | Aluminum chloride crystal roasting system | |
| CN206440107U (en) | The drying device of metallurgical raw material | |
| CN112902657B (en) | Molybdenum oxide roasting system | |
| CN208223178U (en) | A kind of single rare earth oxide suspension roasting device | |
| CN104748508B (en) | Coal slurry drying system | |
| CN106705621A (en) | Drying device for metallurgical raw materials and drying method applying drying device | |
| CN108411116A (en) | A kind of lateritic nickel ore RKEF smelting processes smoke gas comprehensive treatment system and method | |
| CN106636496B (en) | A kind of Dry granulation of BF slag and heat recovery system and method | |
| CN204923908U (en) | System is used multipurposely to sintering cooling tower and sintering waste heat | |
| CN106745250A (en) | Aoxidize the device and piece of Vanadium production method of powdery vanadic anhydride | |
| CN110411171A (en) | A kind of stagewise roller biomass dryer | |
| CN102936506A (en) | Coke powder heat recovery unit-containing coke dry quenching device | |
| CN206318948U (en) | A kind of waste tire treatment system | |
| CN201607132U (en) | Cyclone condenser used for smoke dust and acid mist | |
| CN204854266U (en) | Granule for dry device | |
| CN207030968U (en) | Prepare the device of granulated carbide | |
| CN207958247U (en) | Coal heat carrier combines pyrolysis installation | |
| CN208532692U (en) | Metallurgical breeze forming production device and system | |
| CN202087435U (en) | Cyclone dust collector | |
| CN203286889U (en) | Flash magnetization roasting furnace and flash magnetization roasting system | |
| CN102445057A (en) | Titanium concentrate drying process | |
| CN206959328U (en) | A kind of biological particle hot air furnace | |
| CN206291730U (en) | A kind of adverse current roasting system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |