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Automatic slag feeder for continuous casting crystallizer

The technology of automatic slag feeder and continuous casting crystallizer is applied in the field of automatic slag feeder, which can solve the problems of easy wear and tear of spiral flexible shaft and material conveying pipeline, high crushing rate of mold slag, uneven slag layer, etc., so as to achieve no wear and tear. Mold powder pulverization rate, simple structure, and the effect of reducing the pulverization rate

Inactive Publication Date: 2014-04-16
WUHAN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although these products not only greatly improve the working environment, but also solve the problems of uneven slag layer and easy slag entrainment in the crystallizer, there are still the following main disadvantages: First, the flexible shaft screw feeder is used to feed the material, and the spiral flexible shaft and the conveying material The pipeline is easy to wear, the mold slag blocks the pipeline and the mold slag crushing rate is high; the second is that the swing track of the feeding pipe is an arc, and it is impossible to complete the full-coverage feeding of the rectangular crystallizer

Method used

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  • Automatic slag feeder for continuous casting crystallizer
  • Automatic slag feeder for continuous casting crystallizer
  • Automatic slag feeder for continuous casting crystallizer

Examples

Experimental program
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Effect test

Embodiment 1

[0022] An automatic slag adding machine for continuous casting crystallizer. The automatic slag feeder such as figure 1 with figure 2 As shown, the automatic slag feeding machine includes a transport trolley 25 , a storage bin 5 , a left slag feeding pipe 14 , a right slag feeding pipe 28 , a driving mechanism and a control system 1 .

[0023] The structure of the driving mechanism is: the storage bin 5 is fixed on the bottom plate 25 through the support rod, and the upper part of the feed inlet of the left slag adding pipe 14 and the right slag adding pipe 28 is in corresponding sleeve with the lower part of the two outlets of the storage bin 5. catch. Left slag adding pipe 14 and right slag adding pipe 28 are respectively installed on the corresponding rotating base 23; The center line of the left discharge port of the silo 5 is coaxial with the center line of the feed port of the left slag adding pipe 14, the center line of the right rotation base of the two rotating ba...

Embodiment 2

[0032] An automatic slag adding machine for continuous casting crystallizer. Except following technical parameter, all the other are with embodiment 1:

[0033] The gap between the outer circle of the spiral blade 11 and the inside of the left slag adding pipe 14 and the right slag adding pipe 28 is 1-2mm; the number of respective intermediate bearings 12 is 3-5; the balls 22 in the two slideway grooves 24 are each 6-2 mm. 8; 3 wheels are equipped with at the bottom of the transport trolley 26, and two front wheels 19 in the wheels are driven by the DC motor 21 through the trolley speed reducer 20, and 1 rear wheel 27 in the wheels is a universal wheel.

[0034]The upper part of the left slag adding pipe 14 and the right slag adding pipe 28 feed openings of this specific embodiment are connected with the outlet of the storage bin 5 in a conical shape with a large upper part and a smaller lower part, and the lower part is an elliptical conical cylindrical shape, effectively Th...

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Abstract

The invention relates to an automatic slag feeder for a continuous casting crystallizer. The technical proposal of the automatic slag feeder for the continuous casting crystallizer is as follows: a left slag feed pipe (14) and a right slag feed pipe (28) are mounted on corresponding rotary bases (23); rolling balls (22) are embedded in two slide grooves (24) formed on the lower plane of a base plate; the rolling balls (22) are mounted on a support (2) through a rolling ball groove; a nut (8) is screwed with a lead screw (9) which is coupled with the output shaft of a reducer (7); one ends of two push rods (10) are articulated with the two sides of the nuts (8), while the other ends of two push rods (10) are articulated with the middle parts of the left slag feed pipe (14) and the right slag feed pipe (28) corresponding to each other; the lower parts of two rolling sliders (15) are mounted in corresponding left curved guide rail (17) and right curved guide rail (18); auger shafts (13) are mounted in the left slag feed pipe (14) and the right slag feed pipe (28) respectively; one end of each auger shaft is coupled with a feed motor (4), while the other end of each auger shaft penetrates through a middle bearing (12) to be mounted at the end part of a pipe wall; and the two middle bearings (12) are fixed to the pipe wall in a suspension manner. The automatic slag feeder for the continuous casting crystallizer is simple in structure; a spiral feed blade has no abrasion with the pipe wall; and the crushing ratio of the slag powder is low.

Description

technical field [0001] The invention belongs to the technical field of automatic slag throwing machines. Specifically relates to an automatic slag adding machine for continuous casting crystallizer. Background technique [0002] In continuous casting production, adding mold powder to the liquid steel surface of the mold is an indispensable process. At present, most of the slag adding methods of slab continuous casting machines in our country adopt manual slag adding, the randomness of manual slag adding is large, the slag layer in the crystallizer is uneven, and it is easy to cause problems such as slag entrainment. [0003] Since the 1970s, foreign countries began to develop automatic mold slag adding equipment, and developed a variety of mold mold slag automatic slag adding devices, and my country has also launched some similar products in recent years. Although these products not only greatly improve the working environment, but also solve the problems of uneven slag la...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D11/108
Inventor 周鼎陈奎生林又红但斌斌熊凌李志红容芷君邱爽周昶君周鑫汪鸣琦蒋俊刘传胜张杰峰
Owner WUHAN UNIV OF SCI & TECH