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Discharge method for circular casting billets of continuous casting machine

A continuous casting machine and casting slab technology, which is applied in the field of continuous casting machine round slab off-line, can solve the problems that cannot fully meet the production demand, the work intensity of the ground personnel is high, and restrict the logistics and transportation of the slab, so as to shorten the waiting time , Improving the effect of transportation tension and increasing operation rate

Inactive Publication Date: 2018-04-06
SHANXI TAIGANG STAINLESS STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The lifting process other than the off-line determines the speed of the off-line, and its efficiency is low, which restricts the logistics transportation of the billet. In this way, even if two cranes and corresponding configuration personnel are put into operation at the same time on the conveyor roller line, it is still impossible. Fully meet production needs
In addition, the simultaneous operation of the two cranes also interferes with each other, which poses a certain safety risk. At the same time, the work intensity of the ground personnel is also relatively high.

Method used

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  • Discharge method for circular casting billets of continuous casting machine
  • Discharge method for circular casting billets of continuous casting machine
  • Discharge method for circular casting billets of continuous casting machine

Examples

Experimental program
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Effect test

Embodiment 1

[0039] What this embodiment transports is a circular billet 2 with a diameter of Φ390 mm and a length of 6000 mm, and the width of the conveying roller table 1 of the billet is 800 mm.

[0040] In this embodiment, the hydraulic pressure turning and pulling device 4 arranged under the conveying roller table 1 and the sloped conveying track 3 arranged beside the conveying roller table 1, and the slab stop device 5 is arranged on the conveying roller table 1, see figure 1 , figure 2 and image 3 . The hydraulic topping and pulling device 4 is perpendicular to the conveying track 3 and the conveying roller table 1, so that the circular cast slab 2 rolls off the assembly line from the conveying rail 3 that is lateral to the running direction of the conveying roller table 1 to the transfer location 11 (it is made of concrete + steel plate hardened a cargo area for clamp lifting).

[0041] The transport off-line device has at least two (sets) of hydraulic top-turning and steel-dr...

Embodiment 2

[0051] The device used in this embodiment is based on the conveying roller table, the sloped conveying track and the hydraulic topping device in Embodiment 1, and a deceleration laser detection device 9 and a slab stop device 5 are installed beside the conveying roller table 1 Electrical travel switches are installed, and two cargo space laser detection devices 10 are installed next to the transshipment cargo space, and these devices are all connected with the PLC control center through electrical signals. See Figure 4 and Figure 5 .

[0052] Ⅰ Place the round billet 2 longitudinally on the conveying roller table 1, and convey it by the conveying roller table 1,

[0053] When the distance from the slab stop device 5 is 150cm ± 10cm, through the deceleration laser detection device 9, an instruction to decelerate the conveyor roller 1 is sent to the PLC control center (the speed is reduced from 10m / min to 4m / min and moves forward slowly), and then After being decelerated, t...

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Abstract

The invention relates to a discharge method for circular casting billets of a continuous casting machine. The discharge method comprises the following steps in sequence: 1, longitudinally placing thecircular casting billets on conveying rollers, conveying the circular casting billets to a casting billet stop device through the conveying rollers, cutting off the power supply of the conveying rollers, and stopping conveying; and 2, overturning the stopped circular casting billets through a hydraulic overturning and jacking steel pulling device so as to enable the circular casting billets to beoverturned to sloping transport rails to be discharged by rolling downwards, wherein the sloping transport rails are adjacent to the conveying rollers and are perpendicular to the conveying rollers. With the adoption of the discharge method for the circular casting billets of the continuous casting machine, the circular casting billets are discharged quickly, two circular casting billets are hoisted and conveyed at a time by a crane at the cargo transfer location, and compared with the previous method that only one circular casting billet is hoisted and conveyed for discharge at a time, the discharge method has the advantages as follows: the transfer efficiency of a single circular casting billet is increased by 100%, the waiting time of the circular casting billets on the conveying rollers is shortened, the temperature drop of the circular casting billets due to waiting is reduced, and the quality of the circular casting billets is improved.

Description

technical field [0001] The invention relates to a method for rolling off a round billet of a continuous casting machine. Background technique [0002] In recent years, round billet continuous casting machines in the domestic and foreign iron and steel industry have developed rapidly. In order to adapt to the development of the market and improve product competitiveness, a technical transformation project was established in 2012 to eliminate backward production capacity. Since the technical transformation project is upgraded on the basis of the original site, the space layout design is limited by the old workshop, and the new round billet continuous casting machine cannot complete the logistics transportation of the round billet in the continuous casting billet, and can only pass through A conveying roller table line quickly transports the round billet to the side of the slow cooling workshop for off-line. The round billets produced by such three-stream casting machines are ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D11/128
CPCB22D11/1284B22D11/1281
Inventor 张鹏冯海亮晁俊杰谭海龙
Owner SHANXI TAIGANG STAINLESS STEEL CO LTD