CN105033239A - Self-sinking type slag filtering device of slag conveyor - Google Patents
Self-sinking type slag filtering device of slag conveyor Download PDFInfo
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- CN105033239A CN105033239A CN201510554026.5A CN201510554026A CN105033239A CN 105033239 A CN105033239 A CN 105033239A CN 201510554026 A CN201510554026 A CN 201510554026A CN 105033239 A CN105033239 A CN 105033239A
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Abstract
The invention provides a self-sinking type slag filtering device of a slag conveyor. The self-sinking type slag filtering device mainly comprises a bottom plate (1), a front end plate and a rear end plate (3), wherein the front end plate and the rear end plate (3) are fixedly connected to the front end and the rear end of the bottom plate (1) respectively. The self-sinking type slag filtering device further comprises a grid located above the bottom plate (1) and between the front end plate and the rear end plate (3). The grid comprises a grid support (8) and a plurality of vertical strips (4). The vertical strips (4) are independently and movably installed in positioning grooves of the grid support (8). The side faces of the vertical strips (4) are coated with a fireproof and slag bonding preventing coating. By means of the device for slag filtering, molten iron can be filtered through gaps of the grid, the slag filtering efficiency is high, and the effect is good. Meanwhile, after the lower ends of the vertical strips (4) are molten, the vertical strips (4) can automatically sink under the effect of gravity and impact vibration, and it is ensured that the bottoms of the vertical strips (4) make contact with the bottom plate (1) all the time. The slag filtering effect is stable, and reliability is high. The slag filtering device does not need to be frequently replaced, and the maintaining workload is small.
Description
Technical field
The present invention relates to a kind of dregs filter of dragveyer, belong to field of metallurgical equipment.Be mainly used in the scarfing cinder of iron and steel enterprise's molten iron, also may be used for the different areas of activity of the Separation of Solid and Liquid that other horizontal direction is filtered.
Background technology
Scum silica frost in molten iron is mainly pulled out by the effect of molten iron slag-cleaning machine, realizes the Separation of Solid and Liquid of scum silica frost and molten iron.Slag mode of dragging for as prior art comprises: (1) adopts does not have pertusate steel plate or iron and steel casting to be used as slag rake, and shortcoming timely and effectively by slag sluicing system, can not understand some residue and flow away with molten iron; (2) adopt pertusate slag to harrow, although can realize slag sluicing system preferably at the use initial stage, due to the erosion of high temperature liquid iron, hole expands rapidly and causes leaking slag, or is blocked ineffective by dregs; (3) adopt removable filter screen as dregs filter, there is the problem that hole expands and blocks equally, need to change filter screen, cause maintenance workload to increase after using a period of time, cost increases.
Summary of the invention
In order to ensure the filter residue effect of dragveyer, reducing the workload safeguarded and clear up, the present invention proposes a kind of Self-sinking type dregs filter of dragveyer.
Technical solution of the present invention is as follows:
A kind of Self-sinking type dregs filter of dragveyer, comprise base plate and be fixed in front end-plate and the end plate of base plate rear and front end respectively, it is characterized in that: the Self-sinking type dregs filter of described dragveyer also comprises the grid with axial clearance, described grid is arranged at the top of base plate and between front end-plate and end plate, described grid comprises grille frame and some vertical bars;
Every root founds bar and is movably arranged on all separately in the locating slot of grille frame, to guarantee at gravity or can free subsidence by founding bar during external impacts, thus ensure that every root stands bar bottom and keeps in touch with base plate all the time, the Self-sinking type dregs filter of described dragveyer also comprises the riser be positioned at inside grid, the rear and front end of described riser is connected with end plate with front end-plate respectively, leaves spacing between the lower edge of described riser and base plate; Or described vertical bar is fixed on grille frame, described grid is arranged in vertical guide groove to guarantee at gravity or can free subsidence thus ensure that grid bottom and base plate keep in touch all the time by grid during external impacts.
As a further improvement on the present invention: be also provided with in the inner side of grid and meet the molten iron slag trap that can melt, slag trap is positioned at the top of base plate and slag trap lower edge and contacts baseplate.
As a further improvement on the present invention: be movably arranged on separately at vertical bar in the scheme of the locating slot of grille frame, grille frame is fixed on riser by draw-in groove.
As a further improvement on the present invention: be fixed in the scheme on grille frame at vertical bar, described vertical guide groove is arranged on front end-plate and end plate.
As a further improvement on the present invention: be fixed in the scheme on grille frame at vertical bar, some stiffeners are also provided with between front end-plate and end plate, described stiffener is above base plate and leave spacing between stiffener lower edge and base plate, and the rear and front end of stiffener is connected with end plate with front end-plate respectively.
As a further improvement on the present invention: be fixed in the scheme on grille frame at vertical bar, described grille frame is the baffle plate be fixed together with vertical bar, and described baffle plate is positioned at the inner side of vertical bar; During filter residue, baffle plate can stop scum silica frost to contact with vertical bar too early and cause dry slag, and when grid sinks, baffle plate can melt voluntarily, thus reaches the object of filtering molten iron.
As a further improvement on the present invention: described base plate is horizontally disposed with, or to have a down dip and horizontal by the angle being less than 45 °.
As a further improvement on the present invention: the side of described vertical bar scribbles fire-resistant coating against binding slags.
Relative to prior art, the present invention has the following advantages:
(1) utilize the gap of grid to carry out filter residue to molten iron, filter residue efficiency is high, effective;
(2) according to dragging for slag technological requirement, before dragging for slag at every turn, need to be coated with fire-resistant coating against binding slags by the exposed face of mode to dregs filter dipped, because the bottom of vertical bar and contacts baseplate fully cannot dip coating, the side not being coated with fire-resistant coating against binding slags thirty years of age with the bottom of the vertical bar of contacts baseplate then scribbles fire-resistant coating against binding slags, therefore the fusing of vertical bar more first occurs in the end but not the side of vertical bar that contact with base plate, effectively can ensure the constant magnitude in gap between vertical bar, vertical bar bottom side edge fusing limit sinks, all the time contact with base plate, thus avoid below vertical bar and leak slag, filter residue effect remains stable,
(3) because stroke difference slag rake increases the weight of by molten iron erosion degree gradually from rear extremely front vertical bar when using, so it is not synchronous that shortening is corroded by molten iron in the vertical bar bottom of diverse location, the neutral bar technical scheme be movably arranged on separately in grille frame locating slot of the present invention has just in time adapted to this situation, in the program, every root founds bar and can sink separately, change separately, further ensure that filter residue effect;
(4) be fixed in the technical scheme on grille frame at vertical bar, when grating base fusing, no longer with contacts baseplate time, grid can sink automatically at gravity or by during external impacts, therefore the bottom of grid entirety remains and contacts baseplate, under the prerequisite remaining filter residue effect stability and reliability, without the need to often changing dregs filter, reach the object that maintenance workload is minimum; Although the bottom of the vertical bar more first melted individually cannot be kept in touch with base plate, but therefore its bottom owing to no longer can be coated with fire-resistant coating against binding slags thus the burn-off rate that can slow down its end by dipping with contacts baseplate, shorten the difference in height that each vertical bar bottom is mutual, still can ensure that the filter residue effect of grating base is ideal;
(5) when using by knock can make grid occur compared with large amplitude vibration, realize to dry slag on grid cleaning, cleaning work amount is little;
(6) when this device uses in pairs, two Self-sinking type dregs filters symmetry can be arranged on two driving shafts and carry out closing up poly-slag, then separately slagging, at the end of poly-slag, two dregs filters can carry out suitable knocking each other, the vibration produced both can carry out mechanical self-cleaning to the dry slag on grid, improve scarfing cinder efficiency, the grid of bottom fusing or vertical bar also can be made in addition to sink, reach from scarfing cinder, selfreparing, further reduce maintenance workload, and improve operating efficiency;
(7) technical scheme in grille frame locating slot is movably arranged on separately for vertical bar, the part that riser can prevent vertical bar to be positioned on riser lower edge contacts prematurely with dregs and causes vertical bar dry slag, thus to guarantee that between the lower edge and base plate of riser the mutual gathering throat of the vertical bar of part meets the demands, ensure filter residue effect; The rear and front end of riser is connected with end plate with front end-plate respectively simultaneously, improves the intensity of this device;
(8) effectively reduce the workload cleared up whole grid or change, reason is: grille frame being fixed on to the technical scheme on riser by draw-in groove, grille frame can being unloaded by exiting draw-in groove; And the technical scheme in vertical guide groove is arranged on for grid, can directly grid be extracted from vertical guide groove;
(9) be arranged in the technical scheme of the baffle plate inside vertical bar as grille frame in employing, during filter residue, baffle plate can stop scum silica frost to contact with vertical bar prematurely and cause vertical bar dry slag, and when grid sinks, baffle plate can melt voluntarily, thus reaches the object of filtering molten iron;
(10) be provided with in the inner side of grid in the technical scheme of meeting the slag trap that molten iron can melt, when slag trap does not contact molten iron, slag trap can stop scum silica frost to contact with vertical bar too early and cause vertical bar dry slag; When dregs filter immerses molten iron, slag trap contact molten iron, slag trap can melt voluntarily, and molten iron can contact with grid and realize filter residue and operate, thus reach not only can protect vertical bar prematurely dry slag, but also the object of molten iron can be filtered; Slag trap can be declined by artificial or mechanical device after slag trap fusing, slag trap lower edge contacts again with base plate, for filter residue is ready again.
Accompanying drawing explanation
Fig. 1 is the general structure front elevational schematic that the present invention stands that bar is movably arranged on separately the technical scheme in grille frame locating slot.
Fig. 2 is that the A-A of Fig. 1 is to schematic diagram.
Fig. 3 is the schematic top plan view of Fig. 1.
Fig. 4 is the general structure front elevational schematic that the present invention stands that bar is fixed on the technical scheme on grille frame.
Fig. 5 is that the B-B of Fig. 4 is to schematic diagram.
Fig. 6 is the schematic top plan view of Fig. 4.
Detailed description of the invention
Technical scheme of the present invention is described in detail below in conjunction with accompanying drawing:
A Self-sinking type dregs filter for dragveyer, comprises base plate and is fixed in front end-plate and the end plate of base plate rear and front end respectively, also comprise the grid with axial clearance.Base plate can be horizontally disposed with, and also can be to have a down dip and horizontal by the angle being less than 45 °.Described grid is arranged at the top of base plate and between front end-plate and end plate, described grid comprises grille frame and some columns found bar.
Specific embodiment 1:
As Fig. 1 to 3, every root founds bar 4 and is movably arranged on all separately in the locating slot of grille frame 8, to guarantee at gravity or can free subsidence by founding bar 4 during external impacts, thus ensures that every root stands bar 4 bottom and keeps in touch with base plate 1 all the time; Also comprise the riser 5 be positioned at inside grid in the present embodiment, the rear and front end of described riser 5 is connected with end plate 3 with front end-plate 2 respectively, leaves spacing between the lower edge of described riser 5 and base plate 1; Grille frame 8 is fixed on riser 5 by draw-in groove 6.The slag that base plate 1, front end-plate 2, end plate 3 and riser 5 surround a medial surface and upper surface opening harrows the dregs filter of form.
Also be provided with in the inner side of grid and meet the molten iron slag trap 10 that can melt rapidly, slag trap 10 be arranged in base plate 1 top, be positioned over longitudinal guide groove that grille frame 8 formed with riser 5, slag trap 10 lower edge contacts with base plate 1.Grille frame 8 is also provided with the alignment pin 9 for retraining slag trap 10 position in vertical plane.
Two symmetrically arranged devices are used to carry out filter residue: two Self-sinking type dregs filters symmetry can be arranged on two driving shafts and carry out closing up poly-slag, then separately slagging, and at the end of poly-slag, two dregs filters can carry out suitable knocking each other.According to dragging for slag technological requirement, before dragging for slag at every turn, need to be coated with fire-resistant coating against binding slags by the exposed face of mode to dregs filter dipped, the side that the bottom of the vertical bar 4 therefore contacted with base plate 1 is not coated with fire-resistant coating against binding slags thirty years of age 4 then scribbles fire-resistant coating against binding slags.Close up in poly-slag process, when this device do not immerse or immerse the degree of depth in molten iron and scum silica frost more shallow time, slag trap 10 does not contact molten iron, and slag trap 10 can stop scum silica frost to contact with vertical bar 4 too early and cause vertical bar 4 dry slag; When dregs filter immerses molten iron or immersion is comparatively dark, slag trap 10 contacts molten iron, slag trap 10 can melt voluntarily and can not sink under the constraint of alignment pin 9, now move to the gap place between riser 5 and base plate 1 with the molten iron of scum silica frost, liquid molten iron can smoothly by vertical bar 4 gap each other, scum silica frost is then stopped by the grid that vertical bar 4 forms, thus completes filter residue.Because molten iron temperature is high, the end of vertical bar 4 can more first be melted owing to not scribbling fire-resistant coating against binding slags, now end sinks automatically along locating slot direction under there is the vibration that the vertical bar 4 of fusing can produce in the mutual collision of gravity and dregs filter, thus ensure that the lower end of all vertical bars 4 contacts with base plate 1 all the time, prevent from occurring standoff effects filter residue effect because of fusing.Meanwhile, the dry slag that can oppose on bar 4 by the vibration produced when closing up carries out mechanical self-cleaning.
After filter residue, operating personnel can pull down alignment pin 9, and make slag trap 10 longitudinally guide groove decline, slag trap 10 lower edge contacts again with base plate 1, and then uses alignment pin 9 to retrain the position of slag trap 10 in vertical plane.
During owing to using, the vertical bar burn-off rate separately of diverse location is different, according to circumstances can set every root and found bar initial length separately.
When needs opposition bar 4 is cleared up separately or changes, vertical bar 4 is extracted from locating slot; When needing to clear up whole grid or change, exiting draw-in groove 6 can unload grille frame 8.
Specific embodiment 2:
As Fig. 4-6, vertical bar 4 is fixed on grille frame 8, and described grid is arranged in vertical guide groove to guarantee at gravity or can free subsidence thus ensure that grid bottom and base plate 1 keep in touch all the time by grid during external impacts; Described vertical guide groove is arranged on front end-plate 2 and end plate 3.The slag that base plate 1, front end-plate 2, end plate 3 and grid surround a medial surface and upper surface opening harrows the dregs filter of form.
In order to ensure this device intensity at high temperature, some stiffeners 7 are also provided with between front end-plate 2 and end plate 3, stiffener 7 is above base plate 1 and leave spacing between stiffener 7 lower edge and base plate 1, and the rear and front end of stiffener 7 is connected with end plate 3 with front end-plate 2 respectively.
Also be provided with in the inner side of grid meet molten iron can the slag trap 10 of rapid melting, slag trap 10 is arranged in the top of base plate 1, the longitudinal guide groove be positioned on front end-plate 2 and end plate 3, and slag trap 10 lower edge contacts with base plate 1.Front end-plate 2 and end plate 3 are also provided with the alignment pin 9 for retraining slag trap 10 position in vertical plane.
Use two symmetrically arranged devices to carry out filter residue, when this device do not immerse or immerse the degree of depth in molten iron and scum silica frost more shallow time, slag trap 10 does not contact molten iron, and slag trap 10 can stop scum silica frost to contact with vertical bar 4 too early and cause vertical bar 4 dry slag; When dregs filter immerses molten iron or immersion is comparatively dark, slag trap 10 contacts molten iron, slag trap 10 can melt voluntarily and can not sink under the constraint of alignment pin 9, when molten iron with scum silica frost moves to the gap place of grid, liquid molten iron can smoothly by vertical bar 4 gap each other, scum silica frost is then stopped by the grid that vertical bar 4 forms, thus completes filter residue.Because molten iron temperature is high, after used a period of time, the end of vertical bar 4 can more first be melted owing to not scribbling fire-resistant coating against binding slags, and only after fusing all appears in the bottom of all vertical bars 4, grid just can vertically sink by guide groove; Although the bottom of the vertical bar 4 more first melted individually cannot be kept in touch with base plate 1, but therefore its bottom can be coated with fire-resistant coating against binding slags thus the burn-off rate that can slow down its end by dipping owing to no longer contacting with base plate 1, shorten the difference in height that each vertical bar 4 bottom is mutual, still can ensure that the filter residue effect of grating base is ideal.
After filter residue, operating personnel can pull down alignment pin 9, and make slag trap 10 longitudinally guide groove decline, slag trap 10 lower edge contacts again with base plate 1, and then uses alignment pin 9 to retrain the position of slag trap 10 in vertical plane.
When needs are cleared up whole grid or changed, directly grid is extracted from vertical guide groove.
All the other are coated with fire-resistant coating against binding slags, filter residue is identical with specific embodiment 1 with the flow process of Automatic clearance.
Specific embodiment 3:
Can also comprise the riser be positioned at inside grid in specific embodiment 2, the rear and front end of described riser is connected with end plate with front end-plate respectively, leaves spacing between the lower edge of riser and base plate.The slag that base plate, front end-plate, end plate and riser surround a medial surface and upper surface opening harrows the dregs filter of form.
Specific embodiment 4:
Vertical guide groove in specific embodiment 3 and or longitudinal guide groove also can be arranged on riser.
Specific embodiment 5:
Grille frame in specific embodiment 2,3 or 4 can be the some horizontal bars be fixed together by welding manner and vertical bar, also can be by forging type and vertical bar together one-time formed some horizontal bars.
Specific embodiment 6:
Grille frame in specific embodiment 2,3 or 4 can also be the baffle plate be fixed together with vertical bar, the sheet metal that described baffle plate is 5-10mm by thickness processes, vertical bar is fixed together by the mode of welding and baffle plate, and during installation, baffle plate is positioned at the inner side of vertical bar.During filter residue, baffle plate can stop scum silica frost to contact with vertical bar too early and cause dry slag; When grid sinks, baffle plate can melt voluntarily, thus reaches the object of filtering molten iron.
Claims (8)
1. the Self-sinking type dregs filter of a dragveyer, comprise base plate and be fixed in front end-plate and the end plate of base plate rear and front end respectively, it is characterized in that: the Self-sinking type dregs filter of described dragveyer also comprises the grid with axial clearance, described grid is arranged at the top of base plate and between front end-plate and end plate, described grid comprises grille frame and some vertical bars;
Every root founds bar and is movably arranged on all separately in the locating slot of grille frame, to guarantee at gravity or can free subsidence by founding bar during external impacts, thus ensure that every root stands bar bottom and keeps in touch with base plate all the time, the Self-sinking type dregs filter of described dragveyer also comprises the riser be positioned at inside grid, the rear and front end of described riser is connected with end plate with front end-plate respectively, leaves spacing between the lower edge of described riser and base plate; Or described vertical bar is fixed on grille frame, described grid is arranged in vertical guide groove to guarantee at gravity or can free subsidence thus ensure that grid bottom and base plate keep in touch all the time by grid during external impacts.
2. the Self-sinking type dregs filter of dragveyer as claimed in claim 1, is characterized in that: be also provided with the slag trap of meeting molten iron and can melt in the inner side of grid, and slag trap is positioned at the top of base plate and slag trap lower edge and contacts baseplate.
3. the Self-sinking type dregs filter of dragveyer as claimed in claim 1, is characterized in that: be movably arranged on separately at vertical bar in the scheme of the locating slot of grille frame, grille frame is fixed on riser by draw-in groove.
4. the Self-sinking type dregs filter of dragveyer as claimed in claim 1, it is characterized in that: be fixed in the scheme on grille frame at vertical bar, described vertical guide groove is arranged on front end-plate and end plate.
5. the Self-sinking type dregs filter of dragveyer as claimed in claim 1, it is characterized in that: be fixed in the scheme on grille frame at vertical bar, some stiffeners are also provided with between front end-plate and end plate, described stiffener is above base plate and leave spacing between stiffener lower edge and base plate, and the rear and front end of stiffener is connected with end plate with front end-plate respectively.
6. the Self-sinking type dregs filter of dragveyer as claimed in claim 1, it is characterized in that: be fixed in the scheme on grille frame at vertical bar, described grille frame is the baffle plate be fixed together with vertical bar, and described baffle plate is positioned at the inner side of vertical bar; During filter residue, baffle plate can stop scum silica frost to contact with vertical bar too early and cause dry slag, and when grid sinks, baffle plate can melt voluntarily, thus reaches the object of filtering molten iron.
7. the Self-sinking type dregs filter of dragveyer as claimed in claim 1, is characterized in that: described base plate is horizontally disposed with, or has a down dip and horizontal by the angle being less than 45 °.
8. the Self-sinking type dregs filter of the dragveyer according to any one of claim 1 to 7, is characterized in that: the side of described vertical bar scribbles fire-resistant coating against binding slags.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510554026.5A CN105033239B (en) | 2015-09-02 | 2015-09-02 | The Self-sinking type dregs filter of dragveyer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510554026.5A CN105033239B (en) | 2015-09-02 | 2015-09-02 | The Self-sinking type dregs filter of dragveyer |
Publications (2)
| Publication Number | Publication Date |
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| CN105033239A true CN105033239A (en) | 2015-11-11 |
| CN105033239B CN105033239B (en) | 2017-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4426287A (en) * | 1980-12-27 | 1984-01-17 | Bridgestone Tire Co., Ltd. | Molten metal filtering device |
| JPS6384612A (en) * | 1986-09-26 | 1988-04-15 | Nippon Steel Corp | Device for producing water-granulated material |
| CN2703636Y (en) * | 2004-07-02 | 2005-06-08 | 董国治 | Automatic belt type net-changing device for extruder |
| CN2778434Y (en) * | 2005-01-10 | 2006-05-10 | 盛富春 | Dedicated scraper for conveying slag in molten iron |
| CN201192729Y (en) * | 2008-05-06 | 2009-02-11 | 盛富春 | Slag harrow special for molten iron slag-cleaning machine |
| CN204867392U (en) * | 2015-09-02 | 2015-12-16 | 烟台盛利达工程技术有限公司 | Formula of drowning oneself filter residue device of dragveyer |
-
2015
- 2015-09-02 CN CN201510554026.5A patent/CN105033239B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4426287A (en) * | 1980-12-27 | 1984-01-17 | Bridgestone Tire Co., Ltd. | Molten metal filtering device |
| JPS6384612A (en) * | 1986-09-26 | 1988-04-15 | Nippon Steel Corp | Device for producing water-granulated material |
| CN2703636Y (en) * | 2004-07-02 | 2005-06-08 | 董国治 | Automatic belt type net-changing device for extruder |
| CN2778434Y (en) * | 2005-01-10 | 2006-05-10 | 盛富春 | Dedicated scraper for conveying slag in molten iron |
| CN201192729Y (en) * | 2008-05-06 | 2009-02-11 | 盛富春 | Slag harrow special for molten iron slag-cleaning machine |
| CN204867392U (en) * | 2015-09-02 | 2015-12-16 | 烟台盛利达工程技术有限公司 | Formula of drowning oneself filter residue device of dragveyer |
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|---|---|
| CN105033239B (en) | 2017-03-08 |
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