CN202830051U - Ironmaking blast furnace water granulated slag water filter device - Google Patents
Ironmaking blast furnace water granulated slag water filter device Download PDFInfo
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- CN202830051U CN202830051U CN2012204672964U CN201220467296U CN202830051U CN 202830051 U CN202830051 U CN 202830051U CN 2012204672964 U CN2012204672964 U CN 2012204672964U CN 201220467296 U CN201220467296 U CN 201220467296U CN 202830051 U CN202830051 U CN 202830051U
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- water
- filter screen
- granulated slag
- drainage
- water filter
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- 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
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- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
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Abstract
The utility model relates to an ironmaking blast furnace water granulated slag water filter device and belongs to the technical field of steel smelting. The ironmaking blast furnace water granulated slag water filter device comprises a water filter bin (1) which is arranged below a water granulated slag bin (6) and is characterized in that the water filter bin (1) is of a reversed pyramid trustum shaped structure, a tapping is formed in at least one side wall of the water filter bin (1), and a filter screen (5) is arranged on the outer side, close to the side wall, of the tapping. A water filter box (4) is sleeved outside the filter screen (5), a drain hole is formed in the lower portion of the water filter box (4), and the drain hole is connected with a drain pipe (2). The filter screen is convenient to dismantle and replace. Filtered water can be conveniently centralized and recycled so as to avoid wasting of water resources and reduce water leakage pollution. A detachable cover plate is arranged on the water filter box (4) so that inner running conditions are be convenient for an operator to observe, water filter efficiency is high, and effect is good. Water granulated slag is directly transported, so that mooring transfer cost is greatly reduced, weight fluctuate of the water granulated slag is reduced, and price of the water granulated slag is convenient to fix.
Description
Technical field
The utility model relates to a kind of water treatment plant of iron-smelting blast furnace grain slag, belongs to the smelting iron and steel technical field.
Background technology
Grain slag is to place the blast furnace slag of hot melt state water to cool off rapidly to produce, grain slag is made building materials for the production of cement and concrete, because grain slag has potential hydraulic gelling property, under cement clinker, lime, gypsum equal excitation agent effect, can be used as the cement raw material of high-quality, can be made into: Portland blastfurnaceslag cement, gypsum slag cement, lime slag cement, slag brick, slag concrete etc.
The treatment process that the iron-smelting blast furnace grain slag is commonly used mainly contains detritus pool method, end filter method, Ying Bafa etc.Wherein, detritus pool method and end filter method are traditional residues processing techniques.What generally adopt on the present big-and-middle-sized blast furnace is mechanical drainage technique take Ying Bafa as representative, and Ying Bafa is at China's Baosteel 2, No. 3 blast furnaces, No.5 blast furnace of Wuhan Iron ﹠ Steel Group Company, horse steel 2500m
3Blast furnace all is well used on Mei Gang 4, No. 5 blast furnaces.Although the grain slag behind the English bar filter water treatment is through the pulp water separating treatment, still moisture content is larger in the slag.Such as the grain slag water ratio 15% after No. 4 blast furnaces uses of the plum steel Ying Bafa processing.
Grain slag uses conveyor drive to be transported in the grain slag storehouse after treatment, then with the outward transport of the vehicles such as automobile, train.After the short period of time stored, as just entering train without drainage or automobile bodies is transported, then in the Vehicle Driving Cycle process, the water in the grain slag can constantly ooze out grain slag in bunker, and the slit by the compartment drains on the ground and pollutes.In addition, if grain slag leaks in transportation too much, point of origin and the fluctuation of terminal point grain slag weight are excessive, also are unfavorable for the grain slag metering.
The problem of in transportation, leaking for solving grain slag, now existing following patent:
1) open day is on December 12nd, 2007, and application number is 200620128333.3, and title is the utility model patent of " a kind of water-saving and environmental protection slag waggon ".This patent is improved common slag waggon, at body bottom drainage is set and combs, and remaining water collection box is set in the bottom, compartment.After the improvement, slag waggon grain slag water seepage lease making drainage in transportation is combed and is flowed in the remaining water collection box, can avoid transporting the environmental pollution by water that grain slag spills, again recyclable remaining water.But actual grain slag mode of transport is various, and train, automobile etc. are arranged, and grain slag user's carrier vehicle is also not of uniform size, is difficult to the unified water-saving and environmental protection slag waggon that is improved to, but also needs the remaining water in the slag waggon is carried out the bothersome effort of centralized recovery, and is uneconomical.
2) open day is on June 16th, 1999, application number is 98203716.3, title is the utility model patent of " drainage slag bin ", this patent sectional type drainage arrangements of elements is on bulkhead framework and center, slag storehouse cage framework, change and keep in repair the drainage element special lifting rig need be installed, any one section has fault in addition, just necessary stop production to overhaul, therefore, again effort consuming time is safeguarded in the grain slag storehouse.
Summary of the invention
The technical problem that the utility model actual needs solves is:
1) the grain slag mode of transport is various, and train, automobile etc. are arranged, and grain slag user's carrier vehicle is also not of uniform size, is difficult to the unified water-saving and environmental protection slag waggon that is improved to, but also needs the remaining water in the slag waggon is carried out the bothersome effort of centralized recovery, and is uneconomical;
2) change and keep in repair drainage element again effort consuming time;
3) drainage reclaims inconvenient;
The utility model provides a kind of water treatment plant of iron-smelting blast furnace grain slag, comprise the drainage storehouse 1 that is arranged at 6 belows, grain slag storehouse, described drainage storehouse 1 is for being inverted terrace with edge shape structure, one of them side-wall hole in drainage storehouse 1, the tapping outside is close to sidewall and is provided with filter screen 5, filter screen outside cover has drainage box 4, and drainage box 4 bottoms are provided with water vent, and water vent is connected with water shoot 2.
Described drainage storehouse 1 is for being inverted the truncated rectangular pyramids structure, and wherein pair of sidewalls perforate is close to sidewall outside the tapping and is provided with filter screen 5, and filter screen outside cover has drainage box 4.
The sidewall inclination angle at filter screen 5 places is between 60 °～70 °.
The upper and lower ends of described filter screen 5 adopts dismountable pressing plate 7 to fix.
Described drainage box 4 is provided with dismountable cover plate.
The difference of the utility model and prior art mainly is: in drainage bulkhead arranged outside the drainage box, moisture entrapment in the elimination grain slag at utmost, simultaneously, drainage box dismounting, easy to maintenance.
The beneficial effects of the utility model are:
1) filter screen is fixed with pressing plate at two ends up and down, and changing filter screen only needs the pressing plate dismounting is got final product, and it is convenient to dismantle, change;
2) water treatment plant is easy to maintenance.Drainage is centralized recovery easily, avoids water resource waste;
3) filter screen adopts stainless material to make, and can prevent corrosion;
4) adopting the drainage box, is dismountable cover plate on the drainage box, and the handled easily personnel observe the internal operation situation.
5) only need 6 hours, grain slag sweat rate is reduced to 5% from 15%.
6) after bottom, grain slag storehouse arranges the drainage storehouse, can effectively reduce the grain slag water content, reach grain slag and do not land the logistics mode of direct outward transport, greatly reduce and turn the pool cost.
7) the grain slag water content reduces, and in the grain slag vehicle traveling process, greatly reduces water in the grain slag and drains to probability on the road surface, and the degree of contaminate environment is reduced greatly.
8) will weigh after the cement mill connects material, if the grain slag moisture content is reduced to about 5%, then crossing pound weight and grain slag, to be transported to cement mill weight difference fluctuation smaller, and the price of grain slag is just easily determined.
Description of drawings
Fig. 1 is the whole front view of water treatment plant of the present utility model and grain slag storehouse, residual cake valve etc.
Fig. 2 is the front view of water treatment plant of the present utility model.
Fig. 3 is the integral left view of water treatment plant of the present utility model and grain slag storehouse, residual cake valve etc.
Fig. 4 is the left view of water treatment plant of the present utility model.
Fig. 5 be A-A to sectional view, i.e. the structural representation of filter screen.
Wherein, 1 drainage storehouse, 2 water shoots, 3 residual cake valves, 4 drainage boxes, 5 filter screens, 6 grain slag storehouses, 7 pressing plates.
Embodiment
The utility model provides a kind of water treatment plant of iron-smelting blast furnace grain slag, comprise the drainage storehouse 1 that is arranged at 6 belows, grain slag storehouse, described drainage storehouse 1 is for being inverted truncated rectangular pyramids structure, wherein pair of sidewalls perforate, the tapping outside is close to sidewall and is provided with filter screen 5, and filter screen outside cover has drainage box 4.Drainage box 4 bottoms are provided with water vent, and water vent is connected with water shoot 2; The sidewall inclination angle at filter screen 5 places is 65 °; Filter screen 5 adopts stainless material to make; The upper and lower ends of described filter screen 5 adopts dismountable pressing plate 7 to fix; Described drainage box 4 is provided with dismountable cover plate.The drainage after filtration orifice flow on sump 1 pair of sidewalls flows into drainage boxes 4 through filter screen 5 to filter screen 5, discharge through the water vent of drainage box 4 bottoms and the water shoot 2 that is connected with water vent again, can reuse after the recovery of drainage process, avoids waste.Filter residue is discharged through residual cake valve 3 from being connected to the slag-drip opening of bottom, drainage storehouse.
When needs are observed drainage box inner case, only need treat that drainage from the 4 interior emptyings of drainage box, opens the cover plate on the drainage box, observe.
When needs keep in repair filter screen, or during more sliding filter screen, only need the pressing plate 7 of the upper and lower ends of filter screen is pulled down, filter screen 5 can be taken off, keep in repair or change complete after, pressing plate 7 is installed again get final product again.
The below carries out the calculating of this water treatment plant drainage capacity:
(1) screen specification size: 477mm * 394mm, twine clear spacing 1.5mm, mesh wire diameter Φ 3mm.
(2) calculate the water treatment plant discharge capacity
Filter screen approximately has 80% mesh to stop up, and this water treatment plant is by sidewall static pressure drainage, and the filter screen average rate of filtering is got 0.1m/s.
Twine number: 394/(3+1.5)=87.5
The total area between twine: 87.5 * 1.5mm * 477mm=0.0626m
2
Consider that filter screen has mesh gambling plug, unobstructed area between twine: 0.0626m
2* (1-0.8)=0.01252m
2
Consider water treatment plant inclination angle 65 degree, actual flow area: 0.01252m
2* cos65 °=0.00529m
2
Actual water flow: 0.00529m
2* 0.1m/s * 3600=1.9m
3/ h
Water ratio 15% before (3) 200t grain slag storehouse drainage amounts, grain slag warehouse entry, the moisture content of grain slag elimination 10% in the storehouse, i.e. 200t * 10%=20t
(4) conclusion
There are 2 filter screens in the drainage storehouse, per hour crosses water 2 * 1.9m
3/ h=3.8m
3/ h
20t ÷ 3.8t/h ≈ 6h namely only needs the water ratio of 6 hours grain slags to drop to 5% from 15%.
Claims (6)
1. the water treatment plant of an iron-smelting blast furnace grain slag, comprise the drainage storehouse (1) that is arranged at below, grain slag storehouse (6), it is characterized in that: described drainage storehouse (1) is for being inverted terrace with edge shape structure, one of them side-wall hole in drainage storehouse (1), the tapping outside is close to sidewall and is provided with filter screen (5), filter screen outside cover has drainage box (4), and drainage box (4) bottom is provided with water vent, and water vent is connected with water shoot (2).
2. water treatment plant as claimed in claim 1 is characterized in that: described drainage storehouse (1) is for being inverted the truncated rectangular pyramids structure, wherein pair of sidewalls perforate, and the tapping outside is close to sidewall and is provided with filter screen (5), and filter screen outside cover has drainage box (4).
3. water treatment plant as claimed in claim 1, it is characterized in that: the sidewall inclination angle at filter screen (5) place is between 60 °～70 °.
4. water treatment plant as claimed in claim 1 is characterized in that: the making of filter screen (5) employing stainless material.
5. water treatment plant as claimed in claim 1 is characterized in that: the upper and lower ends of described filter screen (5) adopts dismountable pressing plate (7) fixing.
6. water treatment plant as claimed in claim 1, it is characterized in that: described drainage box (4) is provided with dismountable cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204672964U CN202830051U (en) | 2012-09-13 | 2012-09-13 | Ironmaking blast furnace water granulated slag water filter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204672964U CN202830051U (en) | 2012-09-13 | 2012-09-13 | Ironmaking blast furnace water granulated slag water filter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202830051U true CN202830051U (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204672964U Expired - Lifetime CN202830051U (en) | 2012-09-13 | 2012-09-13 | Ironmaking blast furnace water granulated slag water filter device |
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| Country | Link |
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| CN (1) | CN202830051U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102816878A (en) * | 2012-09-13 | 2012-12-12 | 上海梅山工业民用工程设计研究院有限公司 | Water-filtering device for water slag of smelting blast furnace |
| CN108654160A (en) * | 2018-07-03 | 2018-10-16 | 青岛格陆特环保设备有限公司 | Lime-ash vacuum ceramics filter system |
-
2012
- 2012-09-13 CN CN2012204672964U patent/CN202830051U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102816878A (en) * | 2012-09-13 | 2012-12-12 | 上海梅山工业民用工程设计研究院有限公司 | Water-filtering device for water slag of smelting blast furnace |
| CN108654160A (en) * | 2018-07-03 | 2018-10-16 | 青岛格陆特环保设备有限公司 | Lime-ash vacuum ceramics filter system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |
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| CX01 | Expiry of patent term |