CN106352678A - Drying method and device for steel slag tailings - Google Patents
Drying method and device for steel slag tailings Download PDFInfo
- Publication number
- CN106352678A CN106352678A CN201611010165.2A CN201611010165A CN106352678A CN 106352678 A CN106352678 A CN 106352678A CN 201611010165 A CN201611010165 A CN 201611010165A CN 106352678 A CN106352678 A CN 106352678A
- Authority
- CN
- China
- Prior art keywords
- tailings
- rotary drum
- steel slag
- drying machine
- bin
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
- F26B11/026—Arrangements for charging or discharging the materials to be dried, e.g. discharging by reversing drum rotation, using spiral-type inserts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/02—Heating arrangements using combustion heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/003—Handling, e.g. loading or unloading arrangements for articles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- 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
- Y02P10/25—Process efficiency
-
- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a drying method and device for steel slag tailings. According to the drying method, waste heat boiler exhaust is adopted to dry steel slag tailings obtained after wet treatment, and the propose of shortening tailing dewatering time is achieved. The drying device comprises a loader for conveying tailings, a tailing receiving bin for receiving tailings, a first belt conveyer, a rotary drum dryer for heat exchange of tailings and waste heat boiler exhaust, a dust removal unit, an intermediate bin, a second belt conveyer, a bucket elevator for elevating tailings, and a finished product bin. By means of the drying method and device for steel slag tailings, the drying time of tailings obtained after wet treatment can be effectively shortened, the area occupied by tailings is reduced, the demand for comprehensive utilization of steel slag resources is met, the production cost of iron and steel enterprises is reduced, and the economic benefit of enterprises is improved.
Description
Technical field
The invention belongs to metallurgical technology field, more particularly, to a kind of steel slag tailings drying meanss and device.
Background technology
With manufacturing enterprise, slag is recycled with the understanding lifting reducing production cost, slag comprehensive utilization obtains more next
More attention, as slag wet processing process such as steel slag water quenching, heat is stewing, wet ball grinding, wet rodmill, jigging machine and
The application of shaking table, the tailings after a large amount of wet treatments need to be further dehydrated, the dry synthesis that just can carry out next stage
Using.
After traditional processing method is through filter press filter pressing by the tailings after wet treatment, but this method is processed
Tailings moisture content still up to 1 15 it is impossible to meet the moisture content less than 3 percent needed for manufacture of cement industry
Require, if by dry in the sun, air-drying process, need to take large-area store up place, and need good weather conditions, give
Enterprise produces and causes certain difficulty.
Content of the invention
In order to solve above-mentioned problem, the present invention provides a kind of steel slag tailings drying meanss and device, the method and
Device can effectively shorten tailings drying time, reduces tailings floor space, meets the demand of steel slag resource comprehensive utilization.
As the drying meanss of the present invention, it is using waste heat boiler waste gas, the steel slag tailings after wet treatment to be dried
Dry, reach the purpose shortening tailings dewatering time.
The method comprising the steps of:
Steel slag tailings after wet treatment are discharged in tailings slag storehouse；
Open the dedusting butterfly valve in dust removing tube, allow the dust removing dust pipe producing in tailings heat exchanging process be delivered to spray column,
Discharge through chimney again；
Tailings in slag storehouse is delivered in rotary drum drying machine；
The waste gas of waste heat boiler and tailings are simultaneously fed in rotary drum drying machine；
Rotate rotary drum drying machine, so that tailings is shed in dehydrator and carry out sufficient heat exchange with waste heat boiler waste gas, described turn
Heat exchange temperature in cylinder drier is 135 DEG C；
Dried tailings screws out in the intermediate bin entering separator bottom from the afterbody of rotary drum drying machine；
Tailings lifting in intermediate bin is delivered to finished bin；
Open the discharge valve of finished bin bottom, the tailings finished product in finished bin is drawn off transhipment.
Drying device as the present invention, comprising:
The loader of transport tailings, the slag storehouse receiving tailings, the first belt conveyer, tailings and waste heat boiler waste gas heat exchange
Rotary drum drying machine, dust removing units, intermediate bin, the second belt conveyer, the bucket elevator submitting tailings, finished bin.
Shake storehouse device is disposed in described slag storehouse；
The top setting tailings input port of the front end of described rotary drum drying machine and waste heat boiler exhaust input tube；
Described dust removing units include: dedusting butterfly valve, spray column, chimney and connect rotary drum drying machine, dedusting butterfly valve, spray column,
The cleaning shaft of chimney；
The bottom setting discharge valve of described finished bin；
Described discharge valve adopts fluid pressure type.
During work, the steel slag tailings after wet treatment are discharged into tailings slag storehouse by loader, in the presence of the device of shake storehouse, tail
Slag is discharged into the first belt conveyer and is delivered to rotary drum drying machine, and waste heat boiler waste gas also together inputs rotary drum drying machine simultaneously,
Rotating rotary drum drying machine makes tailings shed in dehydrator and carries out heat exchange with waste heat boiler waste gas, and dried tailings is from baking
The afterbody of dry machine screws out to the intermediate bin of separator bottom, is excessively entering into the second belt conveyer through intermediate bin, then enters bucket
Carry machine, tailings is submitted finished bin by bucket elevator, tailings finished product can be transported by the discharge valve opening finished bin bottom.
The present invention can effectively shorten the steel slag tailings drying time after wet treatment, decreases tailings floor space, meets
The needs of steel slag resource comprehensive utilization, reduce the production cost of iron and steel enterprise, improve the economic benefit of enterprise.
Brief description
Fig. 1 is drying device arrangement schematic front view of the present invention.
Fig. 2 is drying device arrangement schematic top plan view of the present invention.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, and being beneficial to those skilled in the art can be more clear
The understanding of Chu.
As the drying meanss of the present invention, it is using waste heat boiler waste gas, the steel slag tailings after wet treatment to be dried
Dry, reach the purpose shortening tailings dewatering time.
The method comprising the steps of:
Steel slag tailings after wet treatment are discharged in tailings slag storehouse；
Open the dedusting butterfly valve in dust removing tube, allow the dust removing dust pipe producing in tailings heat exchanging process be delivered to spray column,
Discharge through chimney again；
Tailings in slag storehouse is delivered in rotary drum drying machine；
The waste gas of waste heat boiler and tailings are simultaneously fed in rotary drum drying machine；
Rotate rotary drum drying machine, so that tailings is shed in dehydrator and carry out sufficient heat exchange with waste heat boiler waste gas, described turn
Heat exchange temperature in cylinder drier is 135 DEG C；
Dried tailings screws out in the intermediate bin entering separator bottom from the afterbody of rotary drum drying machine；
Tailings lifting in intermediate bin is delivered to finished bin；
Open the discharge valve of finished bin bottom, the tailings finished product in finished bin is drawn off transhipment.
As the drying device preferred embodiment of the present invention, shown as shown in Figure 1, Figure 2, this device includes:
The loader 1 of transport tailings, the slag storehouse 2 receiving tailings, the first belt conveyer 3, tailings and waste heat boiler waste gas heat
The rotary drum drying machine 4 of exchange, dust removing units, intermediate bin 6, the second belt conveyer 7, the bucket elevator 8 submitting tailings, finished bin 9.
Shake storehouse device 10 is disposed in described slag storehouse 2；
The top setting tailings input port of the front end of described rotary drum drying machine 4 and waste heat boiler exhaust input tube 11；
Described dust removing units include: dedusting butterfly valve 5-1, spray column 5-2, chimney 5-3 and connection rotary drum drying machine, dedusting butterfly
Valve, spray column, the cleaning shaft 5-4 of chimney；
The bottom setting discharge valve 12 of described finished bin 9；
Described discharge valve 12 adopts fluid pressure type.
During work, the steel slag tailings after wet treatment are discharged into tailings slag storehouse 2 by loader 1, in the effect of shake storehouse device 10
Under, tailings is discharged into the first belt conveyer 3 and is delivered to rotary drum drying machine 4, and waste heat boiler waste gas also together inputs rotating cylinder simultaneously
Dehydrator 4, rotating rotary drum drying machine 4 makes tailings shed in dehydrator and carries out heat exchange with waste heat boiler waste gas, after being dried
Tailings screw out from the afterbody of dehydrator to the intermediate bin 6 of separator bottom, be excessively entering into the second belt conveyer through intermediate bin 6
7, then enter bucket elevator 8, tailings is submitted finished bin 9 by bucket elevator 8, and the discharge valve 12 opening finished bin 9 bottom can be by
Tailings finished product is transported.
The present invention can effectively shorten the steel slag tailings drying time after wet treatment, decreases tailings floor space, meets
The needs of steel slag resource comprehensive utilization, reduce the production cost of iron and steel enterprise, improve the economic benefit of enterprise.
Claims (9)
1. a kind of steel slag tailings drying meanss it is characterised in that: methods described is carried out to steel slag tailings using waste heat boiler waste gas
Dry, reach the purpose shortening tailings dewatering time.
2. according to claim 1 drying meanss it is characterised in that the method comprising the steps of:
Steel slag tailings after wet treatment are discharged in tailings slag storehouse；
Open the dedusting butterfly valve in dust removing tube, allow the dust removing dust pipe producing in tailings heat exchanging process be delivered to spray column,
Discharge through chimney again；
Tailings in slag storehouse is delivered in rotary drum drying machine；
The waste gas of waste heat boiler and tailings are simultaneously fed in rotary drum drying machine；
Rotate rotary drum drying machine, so that tailings is shed in dehydrator and carry out sufficient heat exchange with waste heat boiler waste gas；
Dried tailings screws out in the intermediate bin entering separator bottom from the afterbody of rotary drum drying machine；
Tailings lifting in intermediate bin is delivered to finished bin；
Open the discharge valve of finished bin bottom, the tailings finished product in finished bin is drawn off transhipment.
3. according to claim 2 drying meanss it is characterised in that: the heat exchange temperature in described rotary drum drying machine be Celsius
135 degree.
4. a kind of steel slag tailings drying device is it is characterised in that described device includes: the loader of transport tailings, reception tailings
Slag storehouse, the rotary drum drying machine of the first belt conveyer, tailings and waste heat boiler waste gas heat exchange, dust removing units, intermediate bin,
Second belt conveyer, the bucket elevator submitting tailings, finished bin.
5. according to claim 4 drying device it is characterised in that: dispose shake storehouse device in described slag storehouse.
6. according to claim 4 drying device it is characterised in that: the top of the front end of described rotary drum drying machine setting tailings
Input port and waste heat boiler exhaust input tube.
7. according to claim 4 drying device it is characterised in that described dust removing units include: dedusting butterfly valve, spray column,
Chimney and connection rotary drum drying machine, dedusting butterfly valve, spray column, the cleaning shaft of chimney.
8. according to claim 4 drying device it is characterised in that: the bottom of described finished bin setting discharge valve.
9. according to claim 8 drying device it is characterised in that: described discharge valve adopts hydraulic means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611010165.2A CN106352678A (en) | 2016-11-17 | 2016-11-17 | Drying method and device for steel slag tailings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611010165.2A CN106352678A (en) | 2016-11-17 | 2016-11-17 | Drying method and device for steel slag tailings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106352678A true CN106352678A (en) | 2017-01-25 |
Family
ID=57862153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611010165.2A Pending CN106352678A (en) | 2016-11-17 | 2016-11-17 | Drying method and device for steel slag tailings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106352678A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120912A (en) * | 2017-05-05 | 2017-09-01 | 浙江沃坦科水暖设备有限公司 | Copper cutting material drying equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0743072A (en) * | 1993-07-30 | 1995-02-10 | Hitachi Zosen Corp | Slag drying device |
| CN1603270A (en) * | 2004-10-10 | 2005-04-06 | 王宝林 | Carbide slag drying method |
| CN101481225A (en) * | 2009-01-31 | 2009-07-15 | 合肥水泥研究设计院 | Predrying method for carbide slag |
| CN102168155A (en) * | 2011-03-17 | 2011-08-31 | 济南鲍安环保技术开发有限公司 | Production process of steel slag micro-powder |
| CN204987785U (en) * | 2015-08-13 | 2016-01-20 | 内蒙古鄂尔多斯电力冶金股份有限公司氯碱化工分公司 | Carbide slag drying device |
| CN206440085U (en) * | 2016-11-17 | 2017-08-25 | 中冶华天工程技术有限公司 | A kind of steel slag tailings drying device |
-
2016
- 2016-11-17 CN CN201611010165.2A patent/CN106352678A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0743072A (en) * | 1993-07-30 | 1995-02-10 | Hitachi Zosen Corp | Slag drying device |
| CN1603270A (en) * | 2004-10-10 | 2005-04-06 | 王宝林 | Carbide slag drying method |
| CN101481225A (en) * | 2009-01-31 | 2009-07-15 | 合肥水泥研究设计院 | Predrying method for carbide slag |
| CN102168155A (en) * | 2011-03-17 | 2011-08-31 | 济南鲍安环保技术开发有限公司 | Production process of steel slag micro-powder |
| CN204987785U (en) * | 2015-08-13 | 2016-01-20 | 内蒙古鄂尔多斯电力冶金股份有限公司氯碱化工分公司 | Carbide slag drying device |
| CN206440085U (en) * | 2016-11-17 | 2017-08-25 | 中冶华天工程技术有限公司 | A kind of steel slag tailings drying device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120912A (en) * | 2017-05-05 | 2017-09-01 | 浙江沃坦科水暖设备有限公司 | Copper cutting material drying equipment |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170125 |