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CN-122007397-A - Miniaturized impact type self-cleaning molten metal slag removing method and device

CN122007397ACN 122007397 ACN122007397 ACN 122007397ACN-122007397-A

Abstract

The invention discloses a miniaturized impact type self-cleaning molten metal slag-removing method and device, the device main body comprises an upright post, a horizontal beam, a slag dragging vehicle, a lifting upright post, a slag dragging mechanism and a driving device thereof. By adopting a variable speed slag rake driving device, a slag rake with weight increased at the end part and precise mechanical control measures, the narrow slag scooping mechanism is invented, and the slag scooping method of slow and stable slag scooping and rapid and powerful slag knocking can be realized. Based on the mixture of electric, pneumatic or hydraulic power unit driving, the occupation of the plane and space of the equipment is further reduced, the slag dragging capacity, reliability and operation safety of the slag dragging machine are improved, personnel intervention slag removal and manufacturing cost are reduced, and conditions are created for automatic and unmanned production.

Inventors

  • SHENG FUCHUN

Assignees

  • 烟台盛利达工程技术有限公司

Dates

Publication Date
20260512
Application Date
20260408

Claims (6)

  1. 1. A miniaturized impact type self-cleaning metal liquid slag scooping method and device are characterized in that a main body comprises an upright post (1), a horizontal beam (2) is fixed above the upright post, a slag scooping vehicle (3) capable of moving back and forth is movably arranged along the direction of the horizontal beam (2), a lifting upright post (4) capable of lifting up and down is connected in the middle of the slag scooping vehicle (3), a slag scooping mechanism (5) is connected below the lifting upright post (4), a pair of slag rakes (6) are rotatably arranged on the slag scooping mechanism (5), and the slag rake driving device (7) for driving a group of slag rakes (6) which rotate relatively is variable in speed, so that the driving device can meet the requirements of slow rotation slag scooping and rapid rotation impact slag cleaning, and the dual-function slag rake driving device (7) is arranged in the slag scooping mechanism (5) with a narrow space.
  2. 2. The miniaturized impact type self-cleaning molten metal slag scooping method and device are technically characterized in that the end weight of a slag rake (6) is utilized, through the opposite rotation of a pair of slag rakes (6), the mutual knocking and slag cleaning of the rapid rotation flywheel type double impact force is realized, the purpose of cleaning high-viscosity metal slag adhered on the slag rakes (6) is achieved, and the slag scooping machine has a self-slag cleaning function.
  3. 3. The miniaturized impact type self-cleaning molten metal slag scooping method and device according to claim 1 are technically characterized in that a weight increasing block (8) is arranged at the end part of the slag rake (6) in order to further improve the impact effect of slag self-cleaning.
  4. 4. The miniaturized impact type self-cleaning molten metal slag scooping method and device according to claim 1 are technically characterized in that a rotary driving device (9) of a main body upright post (1), a moving vehicle driving device (10) of a slag scooping vehicle (3) and a lifting driving device (11) of a lifting upright post (4) are electric or pneumatic.
  5. 5. The miniaturized impact type self-cleaning molten metal slag scooping method and device according to claim 1 are technically characterized in that the slow speed is realized by a pneumatic control valve (13) in a control system (12) of a device main body, so that the slow speed and the fast speed are switched and opened.
  6. 6. The miniaturized impact type self-cleaning molten metal slag scooping method and device according to claim 1 are technically characterized in that the lifting upright post (4) and the slag scooping mechanism (5) can move along with the slag scooping vehicle (3).

Description

Miniaturized impact type self-cleaning molten metal slag removing method and device Technical Field The invention relates to a miniaturized impact type self-cleaning molten metal slag removing method and device, which are mainly used for removing molten metal slag and can be also used for other similar occasions. Background The scum on the surface of the molten metal in the metal ladle or the induction furnace is an impurity precipitated in the metal metallurgical reaction process, if the impurity is not removed in time, the quality of the metal can be influenced, the smelting speed and the energy consumption of the metal can be also influenced, and if the slag which is not cleaned in time is condensed and crusted, the potential safety hazard of explosion exists, so that the production safety of the induction furnace is influenced. Therefore, the slag removal problem is a problem which is generated along with the development of metallurgical technology and needs to be continuously overcome. The slag dragging machine is used as main flow equipment for cleaning scum on the surface of molten metal in metal smelting, and has the problem that high-viscosity slag is difficult to clean after being adhered to a slag rake. At present, the cleaning by manpower is difficult, the workload is large, the time consumption is long, and the development requirements of efficient production and automatic and unmanned operation are not facilitated. In practical application of the slag dragging machine, the problem that slag is difficult to manually clean is directly influenced by the work enthusiasm of operators and popularization and application of slag dragging mechanization. Because of the limitation of the plane area and the three-dimensional space of the induction furnace hearth, the size of the slag dragging machine is limited, so that the size of the slag dragging mechanism is limited, the weight of the slag dragging mechanism is further limited, and the slag dragging machine and the slag dragging mechanism are required to be miniaturized. In addition, the traditional hydraulic drive is required to be equipped with a whole set of hydraulic stations, hydraulic pipelines are arranged, the occupied ground and space are large, the miniaturization of equipment is not facilitated, and meanwhile, the problems of high equipment cost, large overhaul workload and the potential safety hazard of inflammable hydraulic oil exist. The form of the small slag removal device in the current market is a full-electric robot, cannot meet the working scene of high strength, high temperature and severe, and has poor equipment reliability and high failure rate. Disclosure of Invention The invention provides a miniaturized impact type self-cleaning molten metal slag scooping method and device, which are characterized in that the slag scooping device can be used for scooping slag slowly and cleaning slag rapidly by utilizing variable speed driving, and the purposes of arranging the slag scooping driving device in a narrow space of a slag scooping mechanism are well met by combining the slow rotation slag scooping method and the rapid rotation slag raking method with each other and knocking the slag self-cleaning device by the slow speed and the rapid speed adjusting method. In addition, the structure of the traditional slag conveyor is organically combined with the driving device of the electric, pneumatic or hydraulic power unit to make the advantages complementary, so that the traditional hydraulic system is omitted, the equipment investment is reduced, and the occupation of the plane and the three-dimensional space is further reduced. The technical scheme of the invention is as follows: A miniaturized impact type self-cleaning molten metal slag scooping method and device comprises an upright column 1, a horizontal beam 2, a slag scooping vehicle 3, a lifting upright column 4, a slag scooping mechanism 5, a slag rake 6, a slag rake driving device 7, a weight increasing hammer 8, a rotary driving device 9, a moving vehicle driving device 10 and a lifting driving device 11. The device main body comprises a stand column 1, a horizontal beam 2 is connected above the stand column 1, a slag scooping vehicle 3 capable of moving back and forth is arranged along the direction of the horizontal beam 2, a lifting stand column 4 capable of lifting up and down is arranged in the middle of the slag scooping vehicle 3, a slag scooping mechanism 5 is connected below the lifting stand column 4, a pair of slag rakes 6 and a slag raking driving device 7 are rotatably arranged on the slag scooping mechanism 5, a weight increasing hammer 8 is arranged at the front end part of the slag rakes 6, the stand column 1 is driven by a rotary driving device 9, the slag scooping vehicle 3 is driven by a moving vehicle driving device 10, the lifting stand column 4 is driven by a lifting driving device 11, and a pneumatic control valve 13 in a control system 12 realizes fast a