TW200815122A - Method for pouring off melt from a tiltable metallurgical vessel and installation for carrying out the method - Google Patents

Abstract

For the purpose of achieving an optimum and automated pouring process, a method for pouring off melt (9, 6) from a tiltable process, a method for pouring off melt (9, 6) from a tiltable metallurgical vessel (1) into a receiving vessel (7) is metallurgical vessel (1) into a receiving vessel (7) is characterized by the combination of the following features: establishing the tilting position of the metallurgical vessel (1) in which the melt (6) to be poured off leaves the metallurgical vessel (1) in the form of a casting stream (18), determining the position of the casting stream (18) produced by the established tilting position of the metallurgical vessel (1), bringing the receiving vessel (7) into position for receiving the casting stream (18) produced by the metallurgical vessel (1) in accordance with the established tilting position and, after the pouring off has begun, tilting position and, after the pouring off has begun, adjusting the receiving vessel (7) in accordance with the casting stream (18) as it changes in dependence on the tilting angle of the metallurgical vessel (1), which changes as the pouring off progresses.

Description

200815122 IX. Description of the invention: [Technical field to which the invention pertains] Metallurgical species are used for tilting from two, in particular, steelmaking plant reformers: two-inch melts of slag and 'or steel melts are poured into V: :! Or a method of accommodating a container for receiving a container, 1 also relates to a device for automatically implementing the method. [Prior Art] - This type of method is known by the World Patent No. w〇 〇3/_ΐ98 Μ =. This involves pouring the molten steel into the receiving container at the appropriate position below the tap hole that is brought into the steelmaking slab, and the tilting angle of the steel mill reforming furnace, the ψ 力 force recognition, the oblique angle The inner layer state of the iron taphole, the inner layer state of the steelmaking converter reformer, the volume of the added material, the time of tapping, the chemical composition of the steel and the dissolution, the steel and the solubility of the solution (4), etc. The inclination angle of the steelmaking reforming furnace can be set according to these parameters. Irrespectively, the receiving container is vertically positioned below the taphole of the reformer. The level of the molten solution tank of the converter and the receiving container are continuously observed. In order to pour the refinery into the mold, it is known (German Patent No. DE 26 31 015 Α 1) according to the position of the mold, the casting flow leaving the mouth of the pouring bucket, and the "right position to be held, That is to say, it can set the tilt angle of the tilting and washing bucket in the L position of the space. The mold is provided with a dissolution level measuring device, so that the overflow of the mold can be avoided. The tiltable melt can be inductively heated. The casting machine of the furnace is known from the European Patent No. (4)(10)(3)(1). According to the refining “6 200815122: the groove: the height of the mold to keep the mold immersed, and therefore the purpose of the mold filling process is ambiguous. The slanted, and smashed molds that take up the melt can be incorporated into the J/Ulization, or the angle of inclination of the melt furnace can be adjusted. It is known from German Patent No. DE 35 70 Λ, & 2, 763 Α 1 to pour a solution from a tiltable decanter into a casting, which is carried directly into the casting. Appropriate for pouring buckets ^ ^ ^ ^ ^ ^ 乂田1 See the molten salt tank in the salty Cai cast

The level is 'and the 5th level is used to control the tilt angle of the μ / /7° juice. A casting machine of similar construction is known from German Patent No. DE 12 35 520 A1 5 . SUMMARY OF THE INVENTION The present invention is directed to further development of a casting flow system that is modified in a fully automated manner to achieve the degree of pouring in a fully automated manner at the beginning of the month of the method of the type described. It is delivered to the receiving container in the best way. This problem is solved according to the invention by a combination of the following features: - establishing a tilting position of the metallurgical vessel, wherein the melt to be poured leaves the metallurgical vessel in the form of a casting stream; - determining the inclined position of the metallurgical vessel to be established The position of the resulting casting stream; - according to the established inclined position and after the pouring & has begun, the receiving container 1 is taken into | the position produced by the metallurgical container for receiving the casting flow; - when the casting flow follows When the inclination angle of the metallurgical capacity II is changed, the receiving container is adjusted according to the prayer flow, and the inclination angle changes as the pouring progresses. 7 200815122 / The height of the tank level in the metallurgical vessel can be directly or indirectly determined by the action of a tank level measuring device and by: the internal volume of the vessel and the ore On the basis of the weight of the compound: the difference is indirectly by the height of the metallurgical vessel established before the tilting position is established: the tank level: in the latter case, preferably by the mine before filling the metallurgical vessel The radiation scanner measures the internal volume of the metallurgical vessel. If the measurement of the level of the liquid tank in the metallurgical vessel is performed by the tank level measuring device, the measured angle between the measuring beam of the measuring device and the quasi-level and the level of the tank is measured. The distance. w The method for releasing steel from the steelmaking plant conversion furnace is characterized by: pouring, pouring, and beaming steel into the furnace, and determining the solution of the melt and the molten material for pouring the steel. The tilting position of the metallurgical vessel of the melt is L, and the level of the tank of the slag melt can be made such that when the steel and the compound are discharged, the slag is used for the inclined position of the reforming furnace of the steelmaking plant. The level of the melt tank is located at a safe distance from the mouth of the reformer of the steelmaking plant. The mouth/moisturizer is preferably continuously inclined during pouring of the melt. . If the metallurgical vessel is tilted very slowly, the metallurgical vessel can also be tilted step by step to avoid overheating of the drive motor. Want to

The individual steps that are carried out at the time of pouring are facilitated from L by the help of computer control, just as the metallurgical container is assisted after pouring. In order to add the Qin additive to the receiving container, there is a adding chute, 8 200815122 and when the casting flow is changed according to the inclination angle of the metallurgical vessel, the joining chute is based on the casting flow and/or according to the adjusted receiving container As a spoon, the tilt angle of the metallurgical vessel changes as the pouring progresses. The apparatus for carrying out the method according to the invention is characterized by a combination of the following features: an elementary metallurgical state equipped with a position measuring device for measuring the angle of inclination and a related control for tilting the metallurgical vessel a receiving container that can be made to travel in the direction of the inclined plane of the metallurgical container, and is provided with a position measuring device and associated control device for the travel of the receiving container; a measuring device, For directly or indirectly, preferably continuously, recording the level of the liquid in the metallurgical vessel, and as the case may be - for detecting the termination of iron, slagging and remaining steel The device that started. In order to add the additive, an addition chute is provided, and the addition chute is equipped with a position measuring device for measuring the position and a position for positioning the joining according to the position of the casting flow and 'or the position of the receiving container Control device for the chute. If the recording of the liquid helium level is performed indirectly, a weighing device for the receiving container is provided. [Embodiment] The steelmaking plant reformer is fixed in a bundle of ring members 2 in a conventional manner, and the 5 sets of b-pieces 2 can be lifted by two bearings located in the bearings on the base 9 200815122 liters The lugs 4, in particular are tilted by means of an electric drive, not shown in more detail, wherein the lifting lugs are placed diametrically relative to each other and define a pivot 3. Below the steelmaking plant reformer 1, in particular in each case by means of an electric drive, a bucket truck 5 for supporting the steel melt 6 in the bucket 7 can be provided, and further A slag trolley 8 for receiving the slag melt 9 in the slag bucket 1 is traveling in the symmetrical/inclined plane of the steelmaking reformer 1.

The solution tank level measuring device with a cooling system is located on the side of the steelmaking plant reformer 1, specifically in the plane of symmetry/inclination. The measuring device u is aimed at the inside of the reforming furnace of the steelmaking plant, and during the inclination of the reforming furnace of the steelmaking plant, once the reforming furnace mouth α卩1 3 of the steelmaking plant reforming furnace is directed toward the measuring device i丨, Determining the height 12 of the melt tank level, specifically by measuring the angle 丨4 between the metering beam 15 of the measuring device u and the tank level ,6, and measuring the liquid=level 16 is the distance from the measuring device u. The measuring device η can be operated by a laser beam or by a radar. The tilting position of the reformer 1 of the steelmaking plant... The five j μ renting stone is established in the position measuring device of the steel plant. In the same manner, the receiving container that can be carried under the steel mill reforming furnace, that is, the position where the material is inspected, can also be established by a conventional position measurement that is not more specifically presented. The tilt drive I of the refinery reformer 1 and the travel drive of the wash cart 5 and the n check cart 8 are equipped with control means for the correct position. 200815122 Instead of the measuring device 1, the actual tank level associated with the angle of inclination of the steelmaking converter 1 at any time can also be used in the continuous geometry of the reformer (in this case) The state of the inner layer) and the size of the filler are calculated. To this end, the actual portion of the molten steel 6 that has been poured at any time can be continuously recorded during the tapping by means of a weighing device for weighing the total weight of the receiving container 7. Knot

Based on the calculated reformer contents and the given reformer geometry, the actual tank level 16 can be calculated at any time. The automatic pouring operation is performed as follows: • It is started by the operator. The steelmaking plant reformer i is recorded in the direction for pouring the steel melt 6, in particular by one of the two methods described above, ie not from the tank level i6 distance measuring device The distance u and the level of the tank μ and the angle 14 formed by the measuring beam 15 of the measuring device u are measured by volume and weight. 9 • The largest possible tank level 16 is indicated by the lowest edge 13' of the reformer nozzle section 13. According to the inclination angle of the steelmaking plant conversion furnace ι; the catalogue of the data of the maximum liquid tank level 16 is stored in the control (4) system, and this is enough to adjust according to the characteristics of the equipment during the trial operation to avoid the conversion of the melt through the conversion. The mouth portion 13 is dumped, and the maximum slot position is regulated by the adjustable value b for the pouring control system::=== slot position is 4^ ~ ^ I point tank level value . That is to say, in other words, the liquid tank level

The lowest edge is, at the safe distance. Then take the distance in the mouth of the transformation furnace U 200815122

The actual data obtained during the given time is used to calculate the inclined position of the steelmaking reformer 1, wherein the molten steel 6 to be poured leaves the taphole 17 in the form of a pray stream 18. This provides a specific position of the casting stream u which is produced by the established inclined position, and which is the position at which the receiving container 7 for receiving the steel melt 6 is brought up, Said to be under computer control. The steelmaking plant reformer 1 is then tilted to a position for starting tapping (refer to Fig. 1}; in the case of the illustrated exemplary example, the tilt angle is 5 degrees. In order to continuously pour the steel melt 6, The steelmaking plant reforming furnace is then further tilted under computer control, and the receiving vessel, i.e., the bucket 7, is adjusted under computer control in accordance with the changing casting stream 18, and the location of the casting stream 18 is likewise in the computer Controlled according to the inclination angle of the steelmaking plant reformer i, specifically until the pouring of the steel melt 6 is terminated. This case is illustrated in Figure 2 for the case of the presented exemplary example; The inclination angle of the steel plant reformer is 96 7 degrees. At the end of the pouring of the steel melt 6 , the tap hole 17 is closed, and the singularity is wrong by the closing device having the closed body, which can be brought into the closed position from the standby position. As described in European Patent No. EP i 〇 54 〇 68 A2. The relationship between the inclination angle of the steelmaking plant reformer and the position of the casting stream 18 or the position of the squeaking bucket 5 is stored as a fixed parameter. In the system, it is adjusted to suit the specific equipment. According to the position of the reformer 1 of the steelmaking plant, the additive can be added by one. The position of the chute 1 is also added during the pouring of the steel refining 6 The angle is either recorded by the continuous position measuring system according to the pouring trolley into the chute 19 and introduced into the bucket 7 12 200815122, and is automatically positioned according to the position of the receiving container 7. The beginning of the addition of the additive is automatic. Occurs or is initiated by the operator. The molten (tetra) compound 9 is then poured via the reformer mouth 13 , exactly the same way in an automated manner. It is started by the operator, after the start, the steelmaking converter i It is automatically tilted in the direction of slag tapping. When the position for starting the collapse is reached (refer to Fig. 3, the angle of inclination is .degree), the steelmaking (four) furnace is tilted at the minimum speed m step until (four), melting The object =,,: from the mouth of the mouth to the mouth of the people> check the barrel 1 (), the barrel has been brought into the appropriate position in advance. Also during this operation, the slag trolley 8 is based on the inclination of the reformer Automatic positioning by angle. Tilt angle The relationship between the meltdown trolley 8 and the meltdown trolley 8 is likewise stored as a fixed parameter in the automation system and is similarly adapted for the particular device. The dissolution detection system accumulates the outflow of the dissolved solution 9. a "From this At the time point, the slag control system takes over the control of the pouring operation. φ know " The plan stored in the automation system, the steelmaking converter 1 is then continuously/continuously or gradually tilted until the slag detection system detects The remaining steel or the maximum tilt angle of the pouring (refer to Figure 4, the tilt angle is _15 degrees). After the maximum tilt angle is reached, or when the remaining steel is detected, the steel mill reformer is automatically again BRIEF DESCRIPTION OF THE DRAWINGS The present invention has been described in more detail above based on an exemplary embodiment, which is now in the drawings. Figures 1 through 4 schematically illustrate the different tilting positions of the steelmaking plant 13 200815122 reformer during the pouring of the steel melt and subsequent pouring of the slag melt.

[Explanation of main components] 1 Reformer of steelmaking plant 2 Packing ring 3 Pivot 4 Lifting lug 5 Bucket trolley 6 Steel melt 7 Buckling 8 Slag trolley 9 Slag melt 10 Slag bucket 11 Melt Tank Leveling Device 12 Melt Tank Level Height 13 Conversion Furnace Port 13, Minimum Edge 14 Angle 15 Measuring Beam 16 Tank Level 17 Outlet Hole 18 Casting Flow, 19 Adding Chute

Claims (1)

200815122 X. Patent application scope Two kinds of meltable materials for slag and/or steel melt (9,6) will be identified from the tiltable metallurgical capacity of the steelmaking waste reforming furnace (1). (9,6), 】# inch 浇 浇 浇 ( ( ( ( ( ( ( ( ( ( 远 远 远 远 远 远 远 远 远 远 远 远 远 远 远 远 远 远 远 远 远 远 远 远 远 远 远 远 远 远 远 远 远 远 远a tilting position of the device (1) in which the total compound (9, 6) to be tilted leaves the metallurgical vessel (1) in the form of a casting stream (18); - /, the position of the casting stream (18) produced by the inclined position of the established metallurgical vessel (1); the position of the six π-inclined slope and after the pouring has begun, the joint will be engaged ° (7 1 〇) ▼ into the position generated by the metallurgical vessel (1) for receiving the casting stream (18); when the field casting stream (18) changes according to the inclination angle of the metallurgical vessel (1), t is generated according to the scale ( 18) Adjusting the receiving container (7, 1G), wherein the angle of inclination of the metallurgical capacity changes as the pouring progresses. The method of claim 1, wherein the height of the liquid level in the (1) is at a position of the molten liquid tank at the position at which the inclined position is established Established by measuring device (11). The method of claim 1 or 2 of the patent scope is characterized by the height of the liquid level (16) in the smelting "squeaking, 1, 〇·* 〃谷π(1) Is the arrow in the establishment of the inclined position, the calculation of the straw is calculated based on the internal volume of the metallurgical vessel (1) and the weight of the melt (6, 9) or the melt of the dumplings (6, 9) And established. 4. The method of claim 3, characterized in that the internal volume of the apparatus (1) is measured by the action of a laser scanner before filling the metallurgical vessel (1). The method of entering the sixth item of the patent period is characterized in that the measurement of the level of the liquid tank (16) in the smelting to the valley: (1) is by means of the 4 level of the molten liquid tank level ( 11), specifically by measuring - the angle between the measuring beam (15) and the tank level (16) 〇 4), and the tank level (10) distance from the measuring device (11) The distance. The method of claim 1 or 2 of the patent application is characterized in that, in order to pour the molten steel (4) from a reforming mill (1), the liquid level of the tantalum and valley d compound (9) is determined ( 16), the tilt position of the gold valley 4 (1) for pouring the molten steel (6) is determined, and the tank level of the (four) dazzle (9) is allowed to make: # the steel melt (6) is When tapping, the slag melt (9) tank level (16) for the inclined position of the steelmaking plant reformer (1) is located at the conversion nozzle of the steelmaking plant reformer (1) A safe distance from the department. 7. A method as claimed in claim i or item 2, characterized in that the metallurgical vessel (1) is continuously inclined during the pouring of the melt (6'9). 8. The method of claim 1 or 2, wherein the metallurgical vessel (1) is gradually inclined during pouring of the melt (6, 9). 9. The method of claim 1 or 2 of the patent scope, characterized in that the method is implemented in an automated manner with the aid of a computer control. ' 16 200815122 10. The method of claim 5, characterized in that an additive is introduced into the container (7, 10) by the addition of a chute (19). When the flow (10) is changed according to the inclination angle of the metallurgical vessel (1), the addition chute (10) is adjusted according to the casting flow (18) and/or according to the adjusted receiving container (7, 10) 'the metallurgical vessel (1) The angle of inclination changes as the pouring progresses. Further, an apparatus for carrying out the method according to any one of claims 1 to 1 characterized in that the combination of the following features: /, - a metallurgical container (1) 'is equipped with one The position measuring device for measuring the tilt angle and the associated control device for tilting the metallurgical container (1); a receiving container (7, iO) which can travel in the direction of the inclined plane of the metallurgical container (1) Provided with a position measuring device and an associated control device for the travel of the receiving container (7, 1 inch); a measuring device for directly or indirectly, preferably continuously, recording the metallurgy The tank level of the melt (6, 9) in the vessel (1), and the Xinshi situation is in force - used to detect the termination of iron, the beginning of slagging, and the dream of remaining steel. 12. The device of claim U, characterized in that in order to add an additive to a receiving container (7, 1 〇), a joining chute is provided, and the adding chute is provided with a A position measuring device for measuring the position, and an associated control device for positioning the adding chute (19) according to the position of the casting stream (18) and/or the position of the receiving container (7, 1). 17 200815122. 13. Apparatus according to claim 11 or 12, characterized in that - a weighing device for the receiving container (7, 10). XI. Schema: as the next page 18