CN202461511U - Slag dredging system - Google Patents
Slag dredging system Download PDFInfo
- Publication number
- CN202461511U CN202461511U CN2012200019911U CN201220001991U CN202461511U CN 202461511 U CN202461511 U CN 202461511U CN 2012200019911 U CN2012200019911 U CN 2012200019911U CN 201220001991 U CN201220001991 U CN 201220001991U CN 202461511 U CN202461511 U CN 202461511U
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- slag
- transverse arm
- drags
- gathering hopper
- cinder notch
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Abstract
The utility model discloses a slag dredging system which is used for dredging slag from a ladle, comprising a stander, a slag dredging crossbeam, a slide crossbeam, a slag dredging hopper provided with a slag dredging opening, and a slag collecting hopper provided with a slag collecting opening, wherein the slag dredging crossbeam is connected with the stander in a sliding way; the slide crossbeam is connected with the slag dredging crossbeam in a sliding way; the slag dredging hopper provided with the slag dredging opening is arranged on the slide crossbeam; and the slag collecting hopper provided with the slag collecting opening is hinged with the slide crossbeam, a hinging point between the slag collecting hopper and the slide crossbeam is near the connection point between the slag dredging hopper and the slide crossbeam, the slag collecting hopper can turn at the plane where the slag dredging hopper is arranged around the hinging point, and the direction of the slag collecting opening is opposite to that of the slag dredging opening. The positions of the slide crossbeam and the slag dredging crossbeam are adjusted, the slag collecting hopper is turned to be overlapped with the slag dredging hopper, the collected steel slag is put into a space which is combined by the slag collecting opening and the slag dredging opening, and the slag dredging crossbeam and the slide crossbeam are adjusted to recover to the initial work position, so that the slag dredging work can be completed. The position of the slag collecting hopper can be realized by controlling the opening and the closing of the slag collecting hopper and the sliding of the slide crossbeam, so that the slag dredging work can be completed, therefore, the slag dredging work efficiency can be effectively improved, and the slag dredging system can be simplified.
Description
Technical field
The utility model relates to the technical field of Ferrous Metallurgy, particularly a kind of slag system that drags for.
Background technology
Steel and iron industry is the basic industry of national economy, and under the fast-developing situation of national economy, China's steel and iron industry has presented the situation of leapfrogging growth in recent years.At present, iron and steel production capacity surplus and steel industry benefit lowly become the huge challenge of keeping the steel industry development and progress in check.Under this environment, low-cost, high efficiency production theory is penetrated into each link in the Iron and Steel Production gradually.
Slag is the inevitable accessory substance in the Ferrous Metallurgy flow process, accounts for 10% of iron and steel output.Modern STEELMAKING PRODUCTION basic procedure is: blast furnace-Molten Iron Pretreatment-skim-converter smelting.The Molten Iron Pretreatment stage as far as possible with removal of sulphur.Owing to being rich in a large amount of harmful substances such as sulphur in the desulfurization slag that produces in the molten iron pretreatment desulfurizing process in the molten iron slag of bringing blast furnace in the hot metal charging process into and the ladle; These slags are under converter hyperoxia voltinism condition; Can cause serious harmful effect to production; Cause the subsequent production cost to improve, therefore, before molten iron is blended into converter, must the slag on the molten iron face be removed.
Domestic and international now most steel mill Molten Iron Pretreatment adopts the technology of skimming behind winding-up or the paddling process to carry out dephosphorization and desulfurization.Winding-up or stirring technique have determined to handle the level of the phosphorous sulphur of terminal point molten iron, and the slag of slag skimming process after with dephosphorization treatment removed from molten iron, is the main cause that stove sulphur phosphorus total amount is gone in decision.Therefore adopting the equipment and technology of effectively skimming is very necessary to steelmaking system control composition with reducing cost.
Chinese patent CN201102972Y proposed a kind of be used for that molten iron or molten steel skim blow slag formula Cinder Machine; Its characteristic is having one to be fixedly mounted on the rotary rack by blowing the slag system that blows that slag source of the gas, gas control system, gas piping, nozzle connect to form successively; Gas piping is made up of rigid line and flexible conduit two parts; Its rigid line is fixed together with the arm of skimming, and its flexible conduit and drag chain link together, and nozzle is fixedly connected with the plate of skimming also at an angle.This patent can totally be removed diffusing slag, the residual slag on metallic solution surface.But this patent does not effectively promote the Cinder Machine operating efficiency, and structure is complicated more.
Chinese patent CN101538621A relates to a kind of molten iron pretreatment slag skimming equipment.Corresponding technology is: the molten iron tipping car, receive the slag chassis separately along molten iron tipping car track, receive the slag trolley track to proceed to the suitable slag position that receives in the zone of skimming; Control molten iron tipping car tilting mechanism upset hot-metal bottle exposes the top of the slag; The control Cinder Machine is skimmed; Skim after the completion, receive the slag chassis to move to the deslagging of slag field, hot-metal bottle resets.This patent is not effectively simplified system equipment and operating efficiency and is not significantly promoted.
Therefore, how to improve the efficient of skimming,, simplify the structure of dragging for slag system simultaneously, become the important technological problems that those skilled in the art need to be resolved hurrily with the operating efficiency that slag system is dragged in raising.
The utility model content
In view of this, the utility model provides a kind of slag system that drags for, and improves the operating efficiency of dragging for slag system, simplifies the structure of dragging for slag system simultaneously.
For realizing above-mentioned purpose, the utility model provides following technical scheme:
A kind of slag system that drags for is used for the slag work of dragging for to ladle, comprising:
Frame;
Drag for the slag transverse arm, the said slag transverse arm that drags for slidably links to each other with said frame;
Slip transverse arm, said slip transverse arm slidably link to each other with the said slag transverse arm that drags for;
Be provided with the slag bucket that drags for cinder notch, said slag bucket is arranged on the said slip transverse arm;
Be provided with the slag gathering hopper of collection cinder notch; Said slag gathering hopper and said slip transverse arm are hinged; And the pin joint of said slag gathering hopper and said slip transverse arm is near the tie point of said slag bucket and said slip transverse arm; Said slag gathering hopper can rotate in the plane at said slag bucket place around pin joint, said collection cinder notch with drag for the in the opposite direction of cinder notch.
Preferably, above-mentioned drags in the slag system, saidly drags for the slag discharge plate that cinder notch and said collection cinder notch bottom side are equipped with, and during initialization, and said bottom of dragging for the slag discharge plate that cinder notch and said collection cinder notch bottom side be provided with overlaps.
Preferably, above-mentioned drags in the slag system,, the angle when the said slag discharge plate that drags for cinder notch and said collection cinder notch overlaps is the 60-90 degree.
Preferably, above-mentioned drags in the slag system, and said frame is provided with the guide rail of vertical direction, and the said slag transverse arm that drags for links to each other with frame through said guide rail, and the bottom of said frame is provided with and is used to drive the said hydraulic-driven bar that the slag transverse arm slides along guide rail that drags for.
Preferably, above-mentioned drags in the slag system, and the said slag transverse arm that drags for is provided with slide rail, and said slip transverse arm links to each other with the said slag transverse arm that drags for through said slide rail.
Preferably, above-mentioned drags in the slag system, and said slip transverse arm and said slag gathering hopper are hinged on the said slip transverse arm through gyroaxis.
Preferably, above-mentioned drags in the slag system, said gyroaxis comprise with the hinged linkage section of slag gathering hopper and with the hinged hinge segment of said slip transverse arm, and be fixedly connected through connector between said linkage section and the said hinge segment.
Preferably, above-mentioned drags in the slag system, and the cross section of the horizontal direction of said slag bucket is fan-shaped, and the fan-shaped center of circle is the tie point that said slag bucket links to each other with said slip transverse arm.
Preferably, above-mentioned drags in the slag system, and the cross section of the horizontal direction of said slag gathering hopper is identical with the cross section of the horizontal direction of said slag bucket, and the fan-shaped center of circle of slag gathering hopper is and said slag gathering hopper and the hinged pin joint of said slip transverse arm.
Preferably, above-mentioned drags in the slag system, and the fan-shaped radius in the horizontal direction cross section of said slag gathering hopper equates with the radius of said ladle.
Can find out that from above-mentioned technical scheme a kind of slag system that drags for that the utility model provides is used for the slag work of dragging for to ladle, comprise frame, drag for the slag transverse arm, slip transverse arm, slag bucket and aggregate bin.Wherein, Dragging for the slag transverse arm links to each other with frame and links to each other with the slip transverse arm; Slag bucket is arranged on the slip transverse arm; Hinged and the pin joint of slag gathering hopper and slip transverse arm is installed in the tie point on the slip transverse arm near slag bucket, and slag gathering hopper can rotate in the plane at slag bucket place around pin joint simultaneously, the collection cinder notch with drag for the in the opposite direction of cinder notch.During work, slag bucket and slag gathering hopper are in the ladle, rotate slag gathering hopper then through the position of controlling the slip transverse arm; Slag in the ladle is slowly assembled; And collect in the collection cinder notch, when slag gathering hopper turns to when overlapping with slag bucket, be opposite with the direction that collects cinder notch owing to drag for cinder notch; The slag that slag gathering hopper is collected enters into the collection cinder notch space synthetic with dragging for cinder notch; Drag for slag transverse arm and slip transverse arm through adjusting then and make slag gathering hopper and slag bucket be higher than the ladle upper end, make slag bucket and slag gathering hopper recover the initialization position, thereby slag work is dragged in completion.Through controlling the position that slip that hinged slag gathering hopper rotates the folding that realizes slag bucket and slip transverse arm realizes slag gathering hopper, slag work is dragged in completion, has effectively improved the operating efficiency of dragging for slag, has simplified and has dragged for slag system.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation that drags for slag system that Fig. 1 provides for the utility model embodiment;
The dragveyer structure that Fig. 2 provides for the utility model embodiment and the vertical view of ladle;
Slag gathering hopper that Fig. 3 provides for the utility model embodiment and slag bucket can with after vertical view;
Structural representation during initialization state that Fig. 4 provides for the utility model embodiment;
Slag gathering hopper that Fig. 5 provides for the utility model embodiment and slag bucket can with after plan view;
The connected mode of the gyroaxis that Fig. 6 provides for the utility model embodiment.
The specific embodiment
The utility model provides a kind of slag system that drags for, and improves the operating efficiency of dragging for slag system, simplifies the structure of dragging for slag system simultaneously.
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
See also Fig. 1-Fig. 6, wherein, the structural representation that drags for slag system that Fig. 1 provides for the utility model embodiment; The dragveyer structure that Fig. 2 provides for the utility model embodiment and the vertical view of ladle; Slag gathering hopper that Fig. 3 provides for the utility model embodiment and slag bucket can with after vertical view; Structural representation during initialization state that Fig. 4 provides for the utility model embodiment; Slag gathering hopper that Fig. 5 provides for the utility model embodiment and slag bucket can with after plan view; The connected mode of the gyroaxis that Fig. 6 provides for the utility model embodiment.
The utility model provides a kind of slag system that drags for, and is used for the slag work of dragging for to ladle, comprises frame 1, drags for slag transverse arm 2, slip transverse arm 3 and dragveyer structure 4 (dragveyer structure 4 comprises slag bucket 5 and slag gathering hopper 6).Wherein, frame 1 is used for supporting the whole slag system that drags for.Drag for slag transverse arm 2 and link to each other, thereby drag for the realization operating position, position on frame 1 of slag transverse arm 2 and the conversion of initial position through adjusting with frame 1.Slip transverse arm 3 slidably is connected and drags on the slag transverse arm 2, can regulate the position of slip transverse arm 3 through slip transverse arm 3 dragging for slip on the slag transverse arm 2.Be provided with the slag bucket 5 that drags for cinder notch and be arranged on the slip transverse arm 3, be used for the slag of ladle collected and drag for cinder notch.The slag gathering hopper 6 that is provided with the collection cinder notch is hinged with slip transverse arm 3; And the pin joint of slag gathering hopper 6 and slip transverse arm 3 is near the tie point of slag bucket 5 with slip transverse arm 3; Slag gathering hopper 6 can rotate in the plane at slag bucket 5 places around pin joint, and collects cinder notch and drag for the in the opposite direction of cinder notch.Like this through slag gathering hopper 6 is rotated around slip transverse arm 3, thereby the slag in the ladle is collected, then through the collection cinder notch with drag for the space that cinder notch forms the slag of collecting carried out temporary transient storage.
During work, operating personnel regulate slip transverse arm 3 at the horizontal level that drags on the slag transverse arm 2, make slip transverse arm 3 drive slag bucket 5 and drag for 2 slippages of slag transverse arm with slag gathering hopper 6 edges, and slag bucket 5 and slag gathering hopper 6 are on the center line of ladle; Regulate then and drag for the position of slag transverse arm 2 on the vertical direction on the frame 1, make the slag gathering hopper 6 that is connected on the slip transverse arm 3 and the bottom of slag bucket 5 all immerse the liquid level on the ladle molten iron; Rotating slag gathering hopper 6 rotates slag gathering hopper 6 in the plane at slag bucket 5 places; And the slag in the ladle collected the collection cinder notch; When slag gathering hopper 6 revolve turn around after with slag bucket 5 meet with; At collection cinder notch and drag for the certain space of formations between the cinder notch, and the slag that slag gathering hopper 6 is collected is stored in collection cinder notch and the space of dragging for cinder notch formation; Drag for the position of slag transverse arm 2 on frame 1 through adjusting then, slag gathering hopper 6 and slag bucket 5 are higher than on the ladle and with the slag of collecting drain; Regulate slip transverse arm 3 in the position of dragging on the slag transverse arm 2, make slag gathering hopper 6 recover the initialization position.The above-mentioned course of work is the one action process of dragging for slag system that the utility model provides.
Can find out through the above-mentioned course of work; The utility model provides drags for slag system, through slag gathering hopper 6 is hinged on the slip transverse arm 3, slag bucket 5 is connected on the slip transverse arm 3; Through control slip transverse arm 3 and the position of dragging for slag transverse arm 2; Realize mobile in the position of level and vertical direction of slag gathering hopper 6 and slag bucket 5, and then can realize the slag of diverse location is collected, simplified the mechanism that drags for slag system; Operating personnel only need rotate slag gathering hopper 6 just can realize the collection to slag, has effectively improved the operating efficiency of dragging for slag system.
When the slag in the ladle is collected; After being deep into dragveyer structure 4 in the ladle, form the dead band, drag for the slag blind area in order to eliminate in the bottom of slag gathering hopper 6 and slag bucket 5; Drag for slag efficient with raising; The utility model all also is provided with slag discharge plate 8 dragging for the bottom side of cinder notch with the collection cinder notch, and during initialization, and the bottom of dragging for the slag discharge plate 8 that cinder notch and collection cinder notch bottom side be provided with overlaps.After dropping to slag gathering hopper 6 and slag bucket 5 in the ladle, overlap owing to drag for the bottom of the cinder notch and the slag discharge plate 8 of collection cinder notch bottom side, be equivalent to a taper, can the slag in the dead band of the bottom of slag gathering hopper 6 and slag bucket 5 be discharged to the both sides, eliminated and dragged for the slag blind area.
Angle when preferably, the utility model will drag for slag discharge plate 8 that cinder notch and collection cinder notch bottom side be equipped with and overlap is made as the 60-90 degree.
For the ease of the position that slag transverse arm 2 is dragged in control, the utility model will drag for slag transverse arm 2 and link to each other with frame 1 through guide rail, and be provided with in frame 1 bottom to be used to drive and drag for the hydraulic-driven bar of slag transverse arm 2 along the guide rail slip.The hydraulic-driven bar is linked to each other with hydraulic cylinder, the other end with drag for slag transverse arm 2 and link to each other, the work through hydraulic cylinder drives the hydraulic-driven bar and drags for slag transverse arm 2 moving up and down on frame 1, accomplish dragveyer structure 4 moving up and down in the ladle upper end.It will be understood by those skilled in the art that linear electric motors or ball-screw to be set as drive unit, its operation principle is identical with hydraulically powered principle, gives unnecessary details no longer one by one at this.
Be provided with slide rail dragging on the slag transverse arm 2, and slip transverse arm 3 through slide rail with drag for slag transverse arm 2 and link to each other, in the position of dragging on the slag transverse arm 2, the axle center of the gyroaxis 7 of slag gathering hopper 6 is positioned on the ladle center line through control slip transverse arm 3.
Preferably, the slip transverse arm 3 that drags in the slag system that the utility model provides is hinged on the slip transverse arm 3 through gyroaxis 7 with slag gathering hopper 6, is used to bear the gravity of slag.The end of gyroaxis 7 makes gyroaxis 7 realize revolution through the mode of motor-driven gear, thereby drives slag gathering hopper 6 rotations.Concrete, slag gathering hopper 6 can be provided with many group articulated stands with the hinged end of slip transverse arm 3, and wherein, a part of articulated stand is connected between slag gathering hopper 6 and the slag bucket 5, and it provides enough support forces when accomplishing rotation work jointly; And its type of drive can also be slider-crank mechanism, thereby realizes the gyration of gyroaxis 7.
In order further to optimize above-mentioned technical approach; Not because not overlapping of the pin joint setting that pin joint that gyroaxis 7 and slag gathering hopper 6 are hinged and gyroaxis 7 and slip transverse arm 3 are hinged; Gyroaxis 7 is divided into hinge segment and the rain slip transverse arm hinged hinge segment hinged with slag gathering hopper 6, and between fixing through connector 9.Because the wearing and tearing of slag gathering hopper 6 need often change slag gathering hopper 6, in order to improve the speed of replacing, improve the operating efficiency of dragging for slag system, the utility model is set to two sections with gyroaxis 7, and between fix through screw.
The cross section of slag bucket 5 horizontal directions is a sector structure, and the cross section of slag gathering hopper 6 horizontal directions is consistent with the structure in the cross section of the horizontal direction of slag bucket 5.This structure is beneficial to slag gathering hopper 6 and rotates to drag in the slag process and do not interfere with slag bucket 5, and simple in structure, is beneficial to the carrying out of dragging for slag work.The cross section of slag bucket 5 vertical directions is the position that the lower end position that drags for cinder notch drags for the slag bottom, constitutes an inclined-plane.When slag bucket 5 got in the ladle, ramp structure can be expressed to the dregs that are in slag bucket 5 bottoms in the ladle that other are easy to gather the position of dregs in the ladle, the no thoroughness of the work that can avoid to a certain extent gathering.
Drag in the slag system what present embodiment provided, preferably, the cross section of slag bucket 5 along continuous straight runs also is set to fan-shaped, and the fan-shaped center of circle of slag gathering hopper 6 is a slag gathering hopper 6 and the pin joint of slip transverse arm 3.The cross section of slag gathering hopper 6 along continuous straight runs is fan-shaped, and its fan-shaped center of circle is the pin joint of itself and sliding beam.Slag bucket 5 all is set to sector structure with slag gathering hopper 6, and the two is center of rotation with the center of circle, has increased the compactness that cooperates, and helps the cooperation to slag gathering hopper 6 and slag bucket 5.
Because slag bucket 5 is identical structure with slag gathering hopper 6, and tie point is identical, promptly slag bucket 5 is identical with the radius of slag gathering hopper 6.In order as much as possible the slag in the ladle to be collected fully; Can be set to the radius of gyration of slag gathering hopper 6 consistent with the radius of ladle; Then the center of rotation of slag gathering hopper 6 is positioned on the center line of ladle; Rotate in the process in a week at slag gathering hopper 6, can once the dregs in the ladle be cleaned out, improved the operating efficiency of dragging for slag greatly.It will be understood by those skilled in the art that; The radius of gyration that can slag gathering hopper 6 is set to less than ladle radius 1～2cm; Promptly reserve the space slag gathering hopper 6 can be removed the dregs in the ladle to greatest extent, can prevent again slag gathering hopper 6 in rotation process with phenomenons such as ladle bumps.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. one kind is dragged for slag system, is used for the slag work of dragging for to ladle, it is characterized in that, comprising:
Frame (1);
Drag for slag transverse arm (2), the said slag transverse arm (2) that drags for slidably links to each other with said frame (1);
Slip transverse arm (3), said slip transverse arm (3) slidably link to each other with the said slag transverse arm (2) that drags for;
Be provided with the slag bucket (5) that drags for cinder notch, said slag bucket (5) is arranged on the said slip transverse arm (3);
Be provided with the slag gathering hopper (6) of collection cinder notch; Said slag gathering hopper (6) is hinged with said slip transverse arm (3); And the pin joint of said slag gathering hopper (6) and said slip transverse arm (3) is near the tie point of said slag bucket (5) with said slip transverse arm (3); Said slag gathering hopper (6) can rotate in the plane of pin joint at said slag bucket (5) place, said collection cinder notch and drag for the in the opposite direction of cinder notch.
2. the slag system that drags for according to claim 1 is characterized in that, saidly drags for the slag discharge plate (8) that cinder notch and said collection cinder notch bottom side are equipped with, and during initialization, and said bottom of dragging for the slag discharge plate (8) that cinder notch and said collection cinder notch bottom side be provided with overlaps.
3. the slag system that drags for according to claim 1 is characterized in that, the angle when the said slag discharge plate (8) that drags for cinder notch and said collection cinder notch overlaps is the 60-90 degree.
4. the slag system that drags for according to claim 1; It is characterized in that; Said frame (1) is provided with guide rail vertically; The said slag transverse arm (2) that drags for links to each other with frame (1) through said guide rail, and the bottom of said frame (1) is provided with and is used to drive the said hydraulic-driven bar that slag transverse arm (2) slides along guide rail that drags for.
5. the slag system that drags for according to claim 1 is characterized in that, saidly drags for the slide rail that slag transverse arm (2) is provided with horizontal direction, and said slip transverse arm (3) links to each other with the said slag transverse arm (2) that drags for through said slide rail.
6. the slag system that drags for according to claim 1 is characterized in that, said slip transverse arm (3) is hinged on the said slip transverse arm (3) through gyroaxis (7) with said slag gathering hopper (6).
7. the slag system that drags for according to claim 6; It is characterized in that; Said gyroaxis (7) comprise with the hinged hinge segment of slag gathering hopper (6) and with the hinged linkage section of said slip transverse arm (3), and be fixedly connected through connector (9) between said linkage section and the said hinge segment.
8. the slag system that drags for according to claim 1 is characterized in that the cross section of the horizontal direction of said slag bucket (5) is fan-shaped, and the fan-shaped center of circle is the tie point that said slag bucket (5) links to each other with said slip transverse arm (3).
9. the slag system that drags for according to claim 8; It is characterized in that; The cross section of the horizontal direction of said slag gathering hopper (6) is identical with the cross section of the horizontal direction of said slag bucket (5), and the fan-shaped center of circle of slag gathering hopper (6) is and said slag gathering hopper (6) and the hinged pin joint of said slip transverse arm (3).
10. the slag system that drags for according to claim 7 is characterized in that the fan-shaped radius in the horizontal direction cross section of said slag gathering hopper (6) equates with the radius of said ladle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200019911U CN202461511U (en) | 2012-01-04 | 2012-01-04 | Slag dredging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200019911U CN202461511U (en) | 2012-01-04 | 2012-01-04 | Slag dredging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202461511U true CN202461511U (en) | 2012-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200019911U Expired - Fee Related CN202461511U (en) | 2012-01-04 | 2012-01-04 | Slag dredging system |
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| CN (1) | CN202461511U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102528011A (en) * | 2012-01-04 | 2012-07-04 | 莱芜钢铁集团有限公司 | Slag salvaging system |
-
2012
- 2012-01-04 CN CN2012200019911U patent/CN202461511U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102528011A (en) * | 2012-01-04 | 2012-07-04 | 莱芜钢铁集团有限公司 | Slag salvaging system |
| CN102528011B (en) * | 2012-01-04 | 2014-03-26 | 莱芜钢铁集团有限公司 | Slag salvaging system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20140104 |