CN205676488U - A kind of dry processing device of blast furnace cinder - Google Patents
A kind of dry processing device of blast furnace cinder Download PDFInfo
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- CN205676488U CN205676488U CN201620603729.2U CN201620603729U CN205676488U CN 205676488 U CN205676488 U CN 205676488U CN 201620603729 U CN201620603729 U CN 201620603729U CN 205676488 U CN205676488 U CN 205676488U
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Abstract
This utility model relates to the dry processing device of a kind of blast furnace cinder, slag removing chamber (2) it is provided with on the downside of including, upside is provided with the cylinder (1) of hot-air discharge pipe (3), hot-air discharge pipe connects cool-and-heat air exchanger, cylinder connects note slag pipe (4), centrifugal granulation machine (5) is connected in cylinder, one-level fluid bed (6) and secondary streams bed (7), secondary streams bed connects slag removing chamber by passage (8), water-cooling wall (9) is connected outside cylinder, cylinder is externally provided with the first blower fan (10), first blower fan connects centrifugal granulation machine by air main (11) and branch wind pipe (12), one-level fluid bed and secondary streams bed, slag removing chamber is by transporter connection finished bin (14).Advantage of the present utility model: this device meets original slag product, is showed off one's talent or competence by the slag distributed, concentrates and is delivered to cool-heat-exchanger, by the high temperature heat source wind after heating, is sent directly into blast funnace hot blast stove 26 and carries out combustion heating, and the slag reclaiming about 75% is showed off one's talent or competence.
Description
Technical field
This utility model relates to blast furnace cinder processing technology field, particularly to the dry processing device of a kind of blast furnace cinder
。
Background technology
Blast furnace slag is the side-product of blast furnace ironmaking.Process and recycling to it are the weights that steel and iron industry realizes recycling economy
Want approach.At present, the commonly used dry slag method of process and the water quenching to blast furnace slag both at home and abroad, its main process process is
Yin Bafa, figure traction therapy, wheel method, stirring cage method, end worry method etc., these methods be the most all logical supercooled water as cooling medium, logical
Cross high-pressure hydraulic pump, carry out slag forcing cooling, produce a large amount of containing H in cooling procedure2S and SO2Dangerous vapors, pass through
Chimney enters in air.It is special that these different slag handling technologies all have the technique that Slag treatment water consumption is many, heat-energy losses is big
Point, concrete existence some problem following:
(1) water consumption is high, punching 1t slag consumption of new water about 0.8～1.2t.Cycling use of water amount is about about 10t.
(2) H is produced during Water Quenching Slag2S and SO2: with in steam row's people's air, this causes formation acid rain, causes environment dirty
Dye.
(3) needing dry-cure, blast furnace granulated slag moisture content is up to more than 11%, must do as when cement and other raw material production
Dry process, this will consume certain energy.
(4) unrecovered sensible heat, dissipated heat about 1600～1800MJ during 1t liquid slag shrend, owing to it can not get effectively returning
Receive, be then equivalent to the annual loss in whole nation standard coal 4,000,000 t (response rate calculates by 60%)；And liquid blast furnace temperature is up to
1450～1500 DEG C, waste heat quality is the highest, great value.
(5) for grain slag system.The workload of power consumption and system maintenance is big.
From the 2O age in century 8O, the state such as Japan, Britain and Australia is in the rationale of metallurgical slag dry process
Begin one's study with laboratory equlpment aspect, also increase R&D intensity domestic recent years, but there is no a kind of realization industry at present
The device that metaplasia is produced.
Utility model content
The purpose of this utility model is to solve in present stage blast furnace cinder processing procedure, and thermal waste is serious, molten
During slag particle, produce the shortcomings such as a large amount of harmful gass, and the dry processing device of a kind of blast furnace cinder proposed.
To achieve these goals, this utility model adopts the technical scheme that
A kind of dry processing device of blast furnace cinder, it is characterised in that: include cylinder, be provided with slag in the downside of cylinder
Storehouse, upside are provided with hot-air discharge pipe, and hot-air discharge pipe connects cool-and-heat air exchanger, are connected to row in the upside of cylinder
Enter the note slag pipe of blast furnace high-temperature slag, connect in cylinder and the centrifugal granulation machine of note slag pipe corresponding matching, at centrifugal granulation machine
Outside be connected one-level fluid bed and secondary streams bed, and one-level fluid bed is arranged on the outside of secondary streams bed, two grades
Fluid bed connects slag removing chamber by passage；
Also be connected water-cooling wall in the outside of cylinder, is respectively equipped with water inlet pipe and outlet pipe on water-cooling wall；
At outer first blower fan that is additionally provided with of cylinder, the first blower fan connects air main, and air main connects one group of branch wind pipe, Zhi Feng
Pipe is connected respectively described centrifugal granulation machine, one-level fluid bed and secondary streams bed；
Being provided with and the transporter of its discharging opening corresponding matching in the downside of slag removing chamber, the discharge end at transporter coordinates
Finished bin is set.
On the basis of technique scheme, can there is a technical scheme further below:
Described note slag pipe is obliquely installed, and is provided with vertical bending tube in the downside of note slag pipe.
Described centrifugal granulation machine includes that the granulation plate of dishes shape, granulation plate connect ventilation duct, and ventilation duct connects described wind
Pipe, ventilation duct connects the first motor also by gear-box.
Described granulation plate includes flat board, is provided with the arc of annular in the outside of flat board, and the radian of arc is R200mm
～R1000mm, and the angle α of flat board and arc is 30 °～65 °, is provided with cavity in granulation plate, granulation plate be provided with 2～
40 airflow holes connected with described ventilation duct, a diameter of 200mm～400mm of airflow hole, on the granulation plate on the upside of cavity
Being provided with 2～40 rows and be granulated hole, often row's granulation Kong Juncheng circular ring structure, and the granulation hole of arbitrary neighborhood two row shifts to install, granulation
The aperture in hole is 12mm～30mm, and the spacing distance in arbitrary neighborhood two granulation hole is 5mm～10mm.
Described cool-and-heat air exchanger includes the closed shell being connected with described hot-air discharge pipe, sets in closed shell
Having spiral duct and accumulator, the air outlet of spiral duct and air inlet are separately positioned on the outside of closed shell, and air outlet
Connecting air stove, air inlet connects the second blower fan, closed shell is also connected with purifying wind pipe, depends on along air-out direction at purifying wind pipe
Secondary connection dust arrester and the 3rd blower fan.
Described one-level fluid bed includes the first cold bed, and the first cold bed is driven by the second motor, first by rotary teeth case
Cooling blower is connected also by the first cooling duct on cold bed.
Described secondary streams bed includes that the second cold bed, described passage are connected on the second cold bed, and the second cold bed passes through
Second cooling duct connects the second cooling blower.
The utility model has the advantage of: owing to high furnace slag discharge is spaced between sometimes, but blast furnace air-supply is to be not allow for interval
, this device can be directly to air stove air feed, and it is the accumulation of energy effect by cool-heat-exchanger, slag thermmal storage is got up,
Ensure blast furnace slag discharge room every time, can be discharged store, continue to blow to air stove, this device energy utilization rate is high,
Overcome owing to high furnace slag discharge is discontinuity, it is impossible to directly keeping blowing to hot blast continuously, prior art is intended employing scheme and is
Reclaiming slag preheating and carry out generating electricity or producing steam, this mode, compared with this programme, also exists the energy and can not get abundant profit
With, the shortcoming that utilization rate is relatively low.This programme, in granulation, meets original slag product, by quick for high-temperature slag cooling procedure
In, the slag distributed is showed off one's talent or competence, and concentrates and is delivered to cool-heat-exchanger, as the heating source of cold wind in cool-heat-exchanger, after heating
High temperature heat source wind, the continuable blast funnace hot blast stove that is sent directly into carries out combustion heating, thus reclaims the slag of about 75% and show
Can, the method processed by this device also referred to as: dry type air cooling centrifugal granulation method is galloped in Europe and method is galloped in waste heat recovery Europe, and this technique does not has
There is harmful gas to discharge and the waste of water resource, be a kind of environmentally friendly new-type residues processing technique.
Accompanying drawing explanation
Fig. 1 is basic structure schematic diagram of the present utility model；
Fig. 2 is the structural representation of pelletizer；
Fig. 3 is the A A sectional view of Fig. 2；
Fig. 4 is the hot principle schematic of air；
Fig. 5 is granulation and the heat reclaiming system module diagram of Fig. 1.
Detailed description of the invention
In order to make this utility model clearer, below in conjunction with accompanying drawing, this device is described in detail, described herein
Specific embodiment only in order to explain this utility model, be not used to limit this utility model.
As it is shown in figure 1, the dry processing device of a kind of blast furnace cinder of this utility model offer, including columnar cylinder
1, according to the size of furnace volume, for the ability of corresponding slag can be processed, the range of choice of the barrel dliameter of cylinder 1 be 2 meters to 4.5
Rice, is provided with cone shape slag removing chamber 2 in the downside of cylinder 1, upside is provided with hot-air discharge pipe 3, is provided with in the downside of slag removing chamber 2
With the transporter 13 of its discharging opening corresponding matching, the discharge end at transporter 13 is equipped with finished bin 14, transporter
13 use belt conveyor, and hot-air discharge pipe 3 connects cool-and-heat air exchanger.
Be connected to enter the note slag pipe 4 of blast furnace high-temperature slag in the upside of described cylinder 1, note slag pipe 4 is obliquely installed, and
It is provided with vertical bending tube 4a in the downside of note slag pipe 4.
Shown in Fig. 2 and Fig. 3, connect in described cylinder 1 and the centrifugal granulation machine 5 of note slag pipe 4 corresponding matching, centrifugal
Granulation machine 5 is correspondingly arranged at the underface of described bending tube 4a discharging opening, and described centrifugal granulation machine 5 includes the granulation plate of dishes shape
15, granulation plate 15 connects ventilation duct 16, and ventilation duct 16 connects described branch wind pipe 12, and ventilation duct 16 connects first also by gear-box
Motor, gear-box uses rotary gear box, and its rotary speed is 500～1500r/min, and described granulation plate 15 includes flat board 15a,
Be provided with the arc 15b of annular in the outside of flat board 15a, the radian of arc 15b is R200mm～R1000mm, and flat board 15a
Be 30 °～65 ° with the angle α of arc 15b, in granulation plate 15, be provided with cavity 15c, granulation plate 15 be provided with 2～40 with
The airflow hole 17 of described ventilation duct 16 connection, a diameter of 200mm～400mm of airflow hole 17, the granulation plate on the upside of cavity 15c
15 are provided with 2～40 rows is granulated hole 15d, and often row's granulation hole 15d all becomes circular ring structure, and the granulation hole 15d of arbitrary neighborhood two row
Shift to install, granulation hole 15d aperture be 12mm～30mm, and arbitrary neighborhood two granulation hole 15d spacing distance be 5mm～
10mm。
Be connected one-level fluid bed 6 and secondary streams bed 7 in the outside of described centrifugal granulation machine 5, and one-level fluid bed 6
Being arranged on the outside of secondary streams bed 7, described one-level fluid bed 6 includes the first cold bed, the first cold bed by rotary teeth case by the
Two motors drive, and connect cooling blower also by the first cooling duct on the first cold bed.Described secondary streams bed includes second
Cold bed, described passage 8 is connected on the second cold bed, and the second cold bed connects the second cooling blower by the second cooling duct,
Secondary streams bed 7 connects slag removing chamber 2 by passage 8.
At outer first blower fan 10 that is additionally provided with of described cylinder 1, the first blower fan 10 connects air main 11, and air main 11 connects one
Group branch wind pipe 12, branch wind pipe 12 is connected respectively described centrifugal granulation machine 5, one-level fluid bed 6 and secondary streams bed 7.
In the space of one-level fluid bed 6 and secondary streams bed 7, slag all flows downward, and dry air flows up, slag
By cooling down with dry air, under the effect of rotary centrifugal force, by slag in one-level fluid bed 6, get rid of into secondary streams bed 7
In；By secondary streams bed 7, being purged by cold wind, slag, after upper and lower flowing, is further cooled, thus is cooled to
Required temperature, slag discharges secondary streams bed 7 through passage 8 subsequently, enters in slag removing chamber 2, then by transporter 13
Transport to finished bin 14, and the high temperature air after being completely heat exchanged is passed through cold and hot through gas outlet by hot-air discharge pipe 3
Exchanger.The water-cooling wall 9 of the cylindrical shape that is also connected in the outside of described cylinder 1, is respectively equipped with water inlet pipe 9a on water-cooling wall 9
With outlet pipe 9b, in water-cooling wall 9, it is passed through cooling water by outlet pipe 9b.
Shown in Fig. 4, described cool-and-heat air exchanger includes the closed shell being connected with described hot-air discharge pipe 3
18, in closed shell 18, it is provided with spiral duct 19 and accumulator 25, air outlet and the air inlet of spiral duct 19 are respectively provided with
In the outside of closed shell 18, and air outlet connects air stove 26, and air inlet connects the second blower fan 20, closed shell 18 also connects
Connect purifying wind pipe 21, be sequentially connected with dust arrester 23 and the 3rd blower fan 22 at purifying wind pipe 21 along air-out direction, at purifying wind pipe
The end of 21 is also connected with chimney 24.
Shown in Fig. 5, during work, slag is thrown to, in cylinder 1, quickly cool down at a high speed by described centrifugal granulation machine 5,
The slag cooled down the most completely, through one-level fluid bed 6 and the cooling again of secondary streams bed 7, the temperature of slag from 1450 DEG C～
It is down to about 100 DEG C for 1650 DEG C, forms the slag containing 95 glass phases, under the action of the forces of the wind, fall in slag removing chamber 2, through transmitting
Device 13 is transported outward after being transported to finished bin 14.Simultaneously as the cold wind of coolant, its temperature rises to 900 degree from room temperature after the cooling period
The high-temperature hot-air of left and right, is passed through air heat exchanging system through overfire air discharge pipe 3.After exchange, clean high-temperature hot air is straight
Pick into air stove 26, be again passed into after air stove 26 in blast furnace 27, add hot-air as air stove 26 and blast furnace
Source of the gas.
The cooling water of cooling by water wall, after heat exchange, after the temperature of its water has room temperature to rise to 150 DEG C, delivers to preheating
Boiler carries out producing steam, it is possible to be used as generating.
In order to ensure the heat of the cooling exchange from cooling wind, the height of described discharge pipe 3 is more than or equal to 2000mm, cooling
The temperature of air is room temperature, for ensureing cooling effectiveness, is all connected with for regulating on described air main 11 and each branch wind pipe 12
The regulation valve of air quantity, according to slag cooling effect, control valve, distribution granulation machine and the air quantity of secondary fluid bed, effectively divides
Dispensing centrifugal granulation machine 5 and secondary streams bed 7.
Claims (7)
1. the dry processing device of a blast furnace cinder, it is characterised in that: include cylinder (1), be provided with in the downside of cylinder (1)
Slag storehouse (2), upside are provided with hot-air discharge pipe (3), and hot-air discharge pipe (3) connects cool-and-heat air exchanger, at cylinder (1)
Upside is connected to enter note slag pipe (4) of blast furnace high-temperature slag, connects and note slag pipe (4) corresponding matching in cylinder (1)
Centrifugal granulation machine (5), be connected one-level fluid bed (6) and secondary streams bed (7) in the outside of centrifugal granulation machine (5), and one
Level fluid bed (6) is arranged on the outside of secondary streams bed (7), and secondary streams bed (7) connects slag removing chamber (2) by passage (8)；
Also be connected water-cooling wall (9) in the outside of cylinder (1), is respectively equipped with water inlet pipe (9a) and water outlet on water-cooling wall (9)
Pipe (9b)；
At outer first blower fan (10) that is additionally provided with of cylinder (1), the first blower fan (10) connects air main (11), and air main (11) connects
One group of branch wind pipe (12), branch wind pipe (12) is connected respectively described centrifugal granulation machine (5), one-level fluid bed (6) and secondary streams
Change bed (7)；
The transporter (13) with its discharging opening corresponding matching it is provided with, in going out of transporter (13) in the downside of slag removing chamber (2)
Material end is equipped with finished bin (14).
The dry processing device of a kind of blast furnace cinder the most according to claim 1, it is characterised in that: described note slag pipe (4)
It is obliquely installed, and is provided with vertical bending tube (4a) in the downside of note slag pipe (4).
The dry processing device of a kind of blast furnace cinder the most according to claim 1, it is characterised in that: described centrifugal granulation machine
(5) including that the granulation plate (15) of dishes shape, granulation plate (15) connect ventilation duct (16), ventilation duct (16) connects described branch wind pipe
(12), ventilation duct (16) connects the first motor also by gear-box.
The dry processing device of a kind of blast furnace cinder the most according to claim 3, it is characterised in that: described granulation plate (15)
Including flat board (15a), being provided with the arc (15b) of annular in the outside of flat board (15a), the radian of arc (15b) is
R200mm～R1000mm, and the angle α of flat board (15a) and arc (15b) is 30 °～65 °, is provided with in granulation plate (15)
Cavity (15c), granulation plate (15) is provided with 2～40 airflow holes (17) connected with described ventilation duct (16), airflow hole (17)
A diameter of 200mm～400mm, the granulation plate (15) of cavity (15c) upside is provided with 2～40 rows and is granulated hole (15d), often arranges
Granulation hole (15d) all becomes circular ring structure, and the granulation hole (15d) of arbitrary neighborhood two row shifts to install, the aperture of granulation hole (15d)
For 12mm～30mm, and the spacing distance of arbitrary neighborhood two granulation hole (15d) is 5mm～10mm.
The dry processing device of a kind of blast furnace cinder the most according to claim 1, it is characterised in that: described air hands over
Parallel operation includes the closed shell (18) being connected with described hot-air discharge pipe (3), is provided with spiral duct in closed shell (18)
And accumulator (25) (19), the air outlet of spiral duct (19) and air inlet are separately positioned on the outside of closed shell (18), and
Air outlet connects air stove (26), and air inlet connects the second blower fan (20), closed shell (18) is also connected with purifying wind pipe (21),
It is sequentially connected with dust arrester (23) and the 3rd blower fan (22) along air-out direction at purifying wind pipe (21).
The dry processing device of a kind of blast furnace cinder the most according to claim 1, it is characterised in that: described one-level fluid bed
(6) including the first cold bed, the first cold bed is driven by the second motor by rotary teeth case, also by the first cooling on the first cold bed
Airduct connects cooling blower.
7. according to the dry processing device of a kind of blast furnace cinder described in claim 1 or 6, it is characterised in that: described secondary streams
Change bed (7) and include that the second cold bed, described passage (8) are connected on the second cold bed, and the second cold bed is by the second cooling duct
Connect the second cooling blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620603729.2U CN205676488U (en) | 2016-06-20 | 2016-06-20 | A kind of dry processing device of blast furnace cinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620603729.2U CN205676488U (en) | 2016-06-20 | 2016-06-20 | A kind of dry processing device of blast furnace cinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205676488U true CN205676488U (en) | 2016-11-09 |
Family
ID=57430075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620603729.2U Expired - Fee Related CN205676488U (en) | 2016-06-20 | 2016-06-20 | A kind of dry processing device of blast furnace cinder |
Country Status (1)
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| CN (1) | CN205676488U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105861768A (en) * | 2016-06-20 | 2016-08-17 | 上海欧骋冶金成套设备有限公司 | Blast furnace cinder dry-process treatment device |
-
2016
- 2016-06-20 CN CN201620603729.2U patent/CN205676488U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105861768A (en) * | 2016-06-20 | 2016-08-17 | 上海欧骋冶金成套设备有限公司 | Blast furnace cinder dry-process treatment device |
| CN105861768B (en) * | 2016-06-20 | 2018-08-24 | 上海欧骋冶金成套设备有限公司 | A kind of dry processing device of blast furnace cinder |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161109 Termination date: 20170620 |
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| CF01 | Termination of patent right due to non-payment of annual fee |