CN206052062U - A kind of stainless steel slag wet processing process device - Google Patents
A kind of stainless steel slag wet processing process device Download PDFInfo
- Publication number
- CN206052062U CN206052062U CN201621058456.4U CN201621058456U CN206052062U CN 206052062 U CN206052062 U CN 206052062U CN 201621058456 U CN201621058456 U CN 201621058456U CN 206052062 U CN206052062 U CN 206052062U
- Authority
- CN
- China
- Prior art keywords
- slag
- grinding machine
- process unit
- separation equipment
- rotary screen
- 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.)
- Withdrawn - After Issue
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
This utility model provides a kind of stainless steel slag wet processing process device, belongs to metallurgical solid waste and utilizes technical field.The process unit includes：Tilting mechanism, granulating unit, vibrosieve, grinding machine, rotary screen and gravitational separation equipment.Drive slag to tumble into granulating unit by tilting mechanism Water Quenching is carried out to slag; after Jing cracking, the slag of granulation are by vibrosieve discharge; further roll during grinding machine is flowed under the impact of water under high pressure; second screening is carried out by the rotary screen that grinding machine exit is arranged, the siftage of the rotary screen is further separated into gravitational separation equipment.This utility model adopts Whote-wet method processing mode, it is to avoid dry ash is produced, and reclaims metal stage by stage, makes recovery rate of iron reach more than 90%, and final tailings centralized recovery realizes the utilization of resources of tailings.
Description
Technical field
This utility model is related to the technical field that metallurgical solid waste is utilized, specifically, at more particularly to a kind of stainless steel slag
Science and engineering process and equipment.
Background technology
According to statistics, the slag that one ton of rustless steel about produces 20%, tenor about 10% in slag are often produced.Rustless steel
Containing valuable rare heavy metals such as nickel, chromium in slag, if deal with improperly being likely to result in serious environmental pollution, so, return
The metal in stainless steel slag is received, realizes that stainless steel slag resource regeneration is the major issue that iron and steel enterprise faces.
At present, domestic rustless steel manufacturer is mainly according to electroslag in stainless steel slag and AOD (argon oxygen refining equipment)
Slag has different physical characteristics, using different residues processing techniques.After electroslag is broken in bulk in pelletized form, preferably using wet
Formula handling process；According to natural degradation after the cooling of AOD furnace slag, and 200 be, 400 is that to have magnetic and 300 be stainless to rustless steel
The characteristics of steel weak magnetic, 300 is that rustless steel AOD furnace slag preferably adopts dry process technique, and 200 are, 400 is rustless steel AOD furnace slag
The broken of low cost, magnetic separation handling process are adopted preferably.
Domestic rustless steel production large enterprise Taiyuan steel enterprise selects dry process on rustless steel slag treatment process
Technique, wherein, dry process flow chart is as shown in figure 1, AOD furnace slag and electroslag are after multiple screening process, then enter
Row magnetic separation is processed, and after crusher in crushing, needs again pass by screening and magnetic separation is processed.This dry process technological process is multiple
It is miscellaneous, investment construction high cost, and in workshop deslagging region without water-spraying dust removal device, it is impossible to avoid dust from flying away and hyperthermia radiation.
In addition, domestic Zhangjiakou Pu Xiang rustless steels company limited is also adopted by dry type slag processing mode, but reclaim metal and dust removing effects
It is undesirable.
Research in recent years finds that AOD furnace slag, by choosing the equipment such as efficient specific gravity concentrator, can also equally be selected wet
Method processing mode, wet processing process stream of Zhangjiakou Pu Xiang rustless steels company limited using nature slow cooling-rod mill-jigging machine
Journey, but grinding of this kind of existing wet processing process method to slag is inadequate so that and recovery rate of iron is not high, only reach～
70%.
Utility model content
In view of problem above, a kind of stainless steel slag wet processing process device of this utility model offer, realize to stainless
The electroslag that produces in steel production process, AOD furnace slag etc. carry out unified wet processing and process, and reclaim the metal in slag, and
The utilization of resources of tailings is realized, to solve the problems, such as that recovery rate of iron is not high in prior art, build and operating cost is high.
A kind of stainless steel slag wet processing process device described in the utility model, including：
Tilting mechanism, for driving slag ladle, slag is tumbled out；
Granulating unit, positioned at the lower section of the slag ladle, for slag is carried out cracking, is granulated, below the granulating unit
Chain scraper conveyor is provided with, Jing cracking, the slag of granulation are conveyed by the chain scraper conveyor；
Vibrosieve, positioned at the discharge end of the chain scraper conveyor, for carrying out first time sieve to the slag through water quenching
Office is managed, and the oversize of the vibrosieve is stored up, and the siftage of the vibrosieve is entered in receiver bin by the first belt feeder；
Grinding machine, the grinding machine are provided with charging aperture and discharging opening, lead between the charging aperture of the grinding machine and the receiver bin
Piping connect, the slag in the receiver bin water under high pressure impact roll downstream in the grinding machine it is broken；
Rotary screen, is connected with the discharging opening of the grinding machine, for carrying out to rolling broken slag through the grinding machine
Regrading process, the oversize of the rotary screen are stored up, and the siftage of the rotary screen flow to ore pulp bucket；
Gravitational separation equipment, is connected by pipeline with the ore pulp bucket, and for further separating slag, heavy metal is stored up, and does not contain
The slag of metallic particles is flow in sedimentation tank.
Preferably, the chain scraper conveyor is closed.
Preferably, the gravitational separation equipment has multiple, and the ore pulp bucket is provided with multiple outlets, and each outlet is respectively by pipe
Road is connected with corresponding gravitational separation equipment, and the slag in the ore pulp bucket is branched in each gravitational separation equipment.
Further, it is preferable to, the grinding machine is ball mill, the one kind in rod mill；The gravitational separation equipment is shaking table, jumps
Eliminate the one kind in machine.
Preferably, the process unit also includes：Wet-way dust-collector, by dedusting pipeline be connected except dirt pits, be used for
Dust-laden steam to producing in granulating unit processing procedure and chain scraper conveyor course of conveying carries out wet dedusting, to avoid dust
Fly away and hyperthermia radiation.
Preferably, the process unit also includes：Clamshell crane, is arranged at the top of the sedimentation tank, will by grabbing bucket
Tailings in sedimentation tank picks up and carries out drainage to filtered water section and dry 2-4h, wherein, filtered water section is located at the side of the sedimentation tank.
Further, it is preferable to, the clamshell crane is gate-type clamshell crane.
Preferably, the process unit also includes：Dripping slag bin, position are higher than the receiver bin, for depositing Jing drainages
The slag for drying；The dripping slag bin bottom is provided with push-pull valve, opens the push-pull valve and the slag of storage can be discharged into transport
Instrument is transported away.
Compared with prior art, advantage of the present utility model and beneficial effect have：
First, this utility model adopts Whote-wet method processing mode, it is to avoid the generation of dry ash, is conducive to environmental protection；
2nd, by the way of granulating unit is combined with grinding machine slag is cracked, be granulated and rolled, realized slag
Fine particle size, be realize steel metal in the dreg offer advantage is be provided；
3rd, the high efficiente callback of steel metal in the dreg is realized using gravitational separation equipment；
4th, screening process twice are provided with, the recovery stage by stage of steel metal in the dreg is realized, recovery rate of iron are improved, is made gold
Category recovery rate reaches more than 90%, and the centralized recovery of final tailings is advantageously implemented the utilization of resources of tailings, also embodies this reality
With new integrity.
Description of the drawings
Fig. 1 is Taiyuan steel enterprise steel slag dry method processing technological flow figure；
Fig. 2 is the flow chart of process used by stainless steel slag wet processing process device described in the utility model；
Fig. 3 is the site plan of stainless steel slag wet processing process device preferred embodiment described in the utility model；
A-A sectional views of the Fig. 4 for Fig. 3.
Specific embodiment
In conjunction with accompanying drawing, this utility model is described further.
Fig. 2 is the flow chart of process used by stainless steel slag wet processing process device described in the utility model.Such as
Shown in Fig. 2, the process is comprised the following steps：
(1) slag in slag ladle is tumbled out；
(2) steel slag water quenching to tumbling out is processed；
(3) to, after Water Quenching, granularity is that the slag of 0～150mm carries out first time screening process；
(4) oversize (granularity is the slag of 70～150mm) that the first time sieves is stored up, the first time screening
Siftage be slag of the granularity less than 70mm, the impact of water under high pressure it is dirty enter grinding machine carry out rolling it is broken；
(5) carry out second screening process to broken slag being rolled through the grinding machine；
(6) oversize of second screening is stored up, the siftage for sieving for the second time is granularity less than 2mm's
Slag, branches to gravitational separation equipment and further separates, wherein, the metal storage in slag is got up, and it is heavy that metal-free slag flow to
Precipitate in the pond of shallow lake.
Preferably, metal-free slag in the sedimentation tank is picked up carries out drainage to filtered water section and dries after 2-4h, turns
Transport and deposited.
Preferably, the dust-laden steam to producing in the steel slag water quenching processing procedure of step (2) carries out wet dedusting process, reaches
Enter air after mark, it is to avoid dust flies away, to external world environment.
Fig. 3 is the site plan of stainless steel slag wet processing process device preferred embodiment described in the utility model.
As shown in figure 3, new type stainless steel. corrosion resistance slag wet processing process device described in the utility model, including：
Hydraulic tipping gear 100, for driving slag ladle 110, slag is tumbled out；
Granulating unit 200, positioned at the lower section of the slag ladle 110, for slag is carried out cracking, is granulated, the water quenching dress
Put, Jing cracking, the slag of granulation are conveyed by the chain scraper conveyor 210；
Vibrosieve 300 (illustrating in Fig. 4), positioned at the discharge end of the chain scraper conveyor 210, for through water quenching
Slag carries out first time screening process, and the oversize of the vibrosieve 300 is stored up in draining into the first stockyard 330, the vibrosieve
300 siftage is entered in receiver bin 320 by the first belt feeder 310, wherein, the compass screen surface specification of the vibrosieve 300 is
70mm；
Ball mill 400, is provided with charging aperture 401 and discharging opening 402, between the charging aperture 401 and the receiver bin 320
Connected by pipeline, the slag in the receiver bin 320 is rolled brokenly downstream in the ball mill 400 in the impact of water under high pressure
It is broken, wherein, the feed size of the ball mill 400 is less than 70mm, and discharging-material size is less than 2mm, and the pressure of the water under high pressure is
1.0MPa～1.6MPa；
Rotary screen, is connected with the discharging opening 402, for carrying out to rolling broken slag through the ball mill 400
Second screening process, the oversize of the rotary screen drain into the second stockyard 520 by the second belt feeder 510 and store up, the rolling
The siftage of shaft screen flow to ore pulp bucket 600, wherein, the compass screen surface specification of the rotary screen is 12 mesh；
Shaking table 700, is connected by pipeline with the ore pulp bucket 600, and for further separating slag, heavy metal passes through the 3rd
Belt feeder 710 drains into the 3rd stockyard 720 and stores up, and the slag of containing metal particle is not flow in sedimentation tank 800, wherein, the shaking table
700 according to slag processing ability type selecting, slag of its charging for below 2mm.
In granulating unit 200 is to steel slag cracking, granulation and during the conveying slag of chain scraper conveyor 210,
Dust can be produced.Surrounding enviroment are polluted to avoid dust from flying away, the chain scraper conveyor 210 be set to it is closed,
And two are arranged except dirt pits in granulating unit 200 and chain scraper conveyor 210, it is connected with dedusting pipeline 910, by dedusting pipeline
The dust of generation is delivered to Wet-way dust-collector 900 by 910 carries out spraying and dedusting, it is up to standard after enter air.
The slag ladle 110 of slag is filled under the driving of hydraulic tipping gear 100, slag is tumbled to granulating unit 200,
In the presence of water-spraying control, steel ball are rolled, steel slag cracking, granulation, granularity are that the slag of 0～150mm drops to closed chain
On plate conveyer 210, remaining slag then continues cracking, granulation in granulating unit 200, until granularity is less than 150mm.In carrier bar
The discharge end of conveyer 210 is provided with vibrosieve 300 (Fig. 4 is illustrated), and the oversize of the vibrosieve 300 drains into the first stockyard
Store up in 330.The siftage of the vibrosieve 300 is slag of the granularity less than 70mm, is transported to by the first belt feeder 310 and is received
In feed bin 320, the receiver bin 320 is connected by pipeline with the charging aperture 401 of ball mill 400.Steel in the receiver bin 320
Slag water under high pressure impact it is dirty enter ball mill 400 in, steel ball roll repeatedly effect under, slag is further crushed.In ball
The outlet of grinding machine 400 is provided with rotary screen, and the oversize of the rotary screen drains into the second stockyard 520 by the second belt feeder 510
Store up, the siftage of the rotary screen is slag of the granularity less than 2mm, is flow in ore pulp bucket 600.Show in Fig. 3, the technique
Five shaking tables 700 are provided with device, the ore pulp bucket 600 is provided with multiple outlets, pass through pipeline with each shaking table 700 respectively
Connection.Slag is branched in each shaking table 700 by ore pulp bucket 600, and slag is separated by shaking table 700 further according to proportion, a huge sum of money
Category drains into the 3rd stockyard 720 by the 3rd belt feeder 710 and stores up, wherein, 710 present position of the 3rd belt feeder is less than the shaking table
700 (illustrating in Fig. 4), metal-free slag are then flowed in sedimentation tank 800.
The top of sedimentation tank 800 is provided with gate-type clamshell crane 810, the slag in sedimentation tank 800 is dragged for by grab bucket
Rising to the filtered water section 820 on side carries out drainage and dries 2-4h.Afterwards, slag is loaded into the 4th belt feeder 840 by loader 830
Receiver bin 841 in, slag is transported in dripping slag bin 850 by the 4th belt feeder 840 and is deposited.In dripping slag bin
850 bottom is provided with push-pull valve, opens the push-pull valve, during slag is discharged into carrier 860 or other vehicles, turns
Transport slag processing workshop.
Other suitable regions are transported to alternatively, it is also possible to the slag after drainage is dried to be deposited with loader 830,
To tailings centralized recovery, to realize the utilization of resources of tailings.
Claims (7)
1. a kind of stainless steel slag wet processing process device, it is characterised in that include：
Tilting mechanism, for driving slag ladle, slag is tumbled out；
Granulating unit, positioned at the lower section of the slag ladle, for slag is carried out cracking, is granulated, is arranged below the granulating unit
There is chain scraper conveyor, Jing cracking, the slag of granulation are conveyed by the chain scraper conveyor；
Vibrosieve, positioned at the discharge end of the chain scraper conveyor, for carrying out at first time screening through the slag of water quenching
Reason, the oversize of the vibrosieve are stored up, and the siftage of the vibrosieve is entered in receiver bin by the first belt feeder；
Grinding machine, the grinding machine are provided with charging aperture and discharging opening, by pipe between the charging aperture of the grinding machine and the receiver bin
Road connect, the slag in the receiver bin water under high pressure impact roll downstream in the grinding machine it is broken；
Rotary screen, is connected with the discharging opening of the grinding machine, for carrying out second to rolling broken slag through the grinding machine
Screening process, the oversize of the rotary screen are stored up, and the siftage of the rotary screen flow to ore pulp bucket；
Gravitational separation equipment, is connected by pipeline with the ore pulp bucket, and for further separating slag, heavy metal is stored up, without metal
The slag of granule is flow in sedimentation tank.
2. process unit according to claim 1, it is characterised in that the process unit also includes：
Wet-way dust-collector, by dedusting pipeline be connected except dirt pits, for water quenching process and chain scraper conveyor course of conveying
The dust-laden steam of middle generation carries out wet dedusting.
3. process unit according to claim 1, it is characterised in that the process unit also includes：
Clamshell crane, is arranged at the top of the sedimentation tank, and the tailings in sedimentation tank is picked up to filtered water section by grab bucket is carried out
Drainage dries 2-4h, and the filtered water section is located at the side of the sedimentation tank.
4. process unit according to claim 3, it is characterised in that the process unit also includes：
Dripping slag bin, position are higher than the receiver bin, for depositing the slag that Jing drainages dry；The dripping slag bin bottom is arranged
There is push-pull valve, the slag of storage can be discharged into means of transport and be transported away by the opening push-pull valve.
5. process unit according to claim 1, it is characterised in that the gravitational separation equipment has multiple, and the ore pulp bucket sets
Multiple outlets are equipped with, the outlet is connected by pipeline with each gravitational separation equipment respectively, the slag in the ore pulp bucket is shunted
Into each gravitational separation equipment.
6. process unit according to claim 1, it is characterised in that the grinding machine is ball mill, the one kind in rod mill.
7. process unit according to claim 1, the gravitational separation equipment is shaking table, the one kind in jigging machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621058456.4U CN206052062U (en) | 2016-09-14 | 2016-09-14 | A kind of stainless steel slag wet processing process device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621058456.4U CN206052062U (en) | 2016-09-14 | 2016-09-14 | A kind of stainless steel slag wet processing process device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206052062U true CN206052062U (en) | 2017-03-29 |
Family
ID=58370176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621058456.4U Withdrawn - After Issue CN206052062U (en) | 2016-09-14 | 2016-09-14 | A kind of stainless steel slag wet processing process device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206052062U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106244748A (en) * | 2016-09-14 | 2016-12-21 | 中冶华天南京工程技术有限公司 | A kind of stainless steel slag wet processing process method and device |
-
2016
- 2016-09-14 CN CN201621058456.4U patent/CN206052062U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106244748A (en) * | 2016-09-14 | 2016-12-21 | 中冶华天南京工程技术有限公司 | A kind of stainless steel slag wet processing process method and device |
| CN106244748B (en) * | 2016-09-14 | 2019-01-04 | 中冶华天南京工程技术有限公司 | A kind of stainless steel slag wet processing process method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102284350B (en) | Sorting and separation process for utilizing slag comprehensively | |
| US7886913B1 (en) | Process, method and system for recovering weakly magnetic particles | |
| CN104862490B (en) | Stainless steel slag recovery and reusing and recycling method and its device | |
| US3086718A (en) | Method and apparatus for separating metallic particles | |
| CN106244748B (en) | A kind of stainless steel slag wet processing process method and device | |
| CN105478663B (en) | The apparatus and method for reclaiming casting water glass old sand | |
| CN109365106A (en) | A kind of stainless steel slag dry type magnetic separation device and technique | |
| CN109513521B (en) | Mineral processing technology for recovering iron from asbestos tailings | |
| CN111346732B (en) | Novel household garbage incinerator slag sorting process | |
| CN104492590B (en) | A kind of complex iron ore dressing method | |
| CN103752593A (en) | Process for selecting and recovering heavy metal substances in domestic garbage incineration slag | |
| CN101734809A (en) | Efficient tailing dry-type emission technology with low energy consumption | |
| CN113289737A (en) | Recycling and reusing treatment method for steel smelting steel slag | |
| CN206688898U (en) | A kind of shot reclaimer of ball blast technique | |
| US2728454A (en) | Portable apparatus for reclaiming metal scrap | |
| CN1057213A (en) | Process for dressing iron from low-rank iron pyrites roasted slag | |
| CN103100546A (en) | Stainless steel slag dry and wet combination treatment process | |
| CN101139655A (en) | Method for purifying granular slag steel | |
| CN101537410B (en) | Integrated equipment of dry concentration, rough concentration and fine concentration of waste disposal site and technique thereof | |
| CN206052062U (en) | A kind of stainless steel slag wet processing process device | |
| CN207418778U (en) | TAP HOLE OF HIGH CARBON FERROCHROMIUM clinker metal recovery system | |
| CN106277705A (en) | Process and the system of smelting furnace is returned in the direct mummification of pickling mud | |
| CN206052055U (en) | A kind of rustless steel casting residue handling process device | |
| US3165268A (en) | Method and apparatus for processing ferrous slag | |
| CN201603692U (en) | On-line grading and separating device for rotary drum slag |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170329 Effective date of abandoning: 20190104 |
|
| AV01 | Patent right actively abandoned |