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Semi-solid steel rolling equipment and control method thereof

A semi-solid, equipment technology, applied in the field of semi-solid steel rolling equipment and its control, can solve problems such as consumption, large electricity and gas

Active Publication Date: 2019-08-09
张英华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The cold rolling mill heats the steel plate to 600°C with a gas flame, and then squeezes the steel plate with rolls; so it consumes a lot of electricity and gas

Method used

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  • Semi-solid steel rolling equipment and control method thereof
  • Semi-solid steel rolling equipment and control method thereof
  • Semi-solid steel rolling equipment and control method thereof

Examples

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Embodiment Construction

[0014] figure 1 , figure 2 and image 3 Shown, semi-solid steel rolling equipment. The molten steel from the converter or electric furnace flows into the inclined diversion groove made of refractory material. The front of the diversion groove is high and the rear is low. A temperature sensor is installed in the front and rear of the diversion groove, and is controlled by a computer controller. Above the inclined flow guide groove 2 there is an upper cooling flat tube 4 adapted to the flow guide groove 2 , and below the inclined flow guide groove 2 there is a lower cooling flat pipe 5 adapted to the flow guide groove 2 . The rear end of the inclined diversion groove 2 is connected with an uneven arc-shaped groove 3 made of refractory material. The front of the arc-shaped groove 3 is high and the rear is low. The arc-shaped groove 3 is covered with ceramic nails to form a ceramic nail bed. Above the arc-shaped groove 3 there is an upper arc-shaped cooling flat tube 6 matchin...

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Abstract

The invention discloses semi-solid steel rolling equipment and a control method thereof. The molten steel from a converter or an electric furnace flows into a flow guide tank, water steam or air enters into an upper cooling flat tube and a lower cooling flat tube, the molten steel in the flow guide tank is cooled, and the molten steel in the flow guide tank is reduced to the melting point and thenflows into an arc tank. The water steam or air enters into an upper arc cooling flat tube and a lower arc cooling flat tube, the molten steel with the temperature at the melting point is cooled on the arc tank to release heat, the molten steel is cooled and crystallized to form crystal nucleuses, the crystal nucleuses stretch out of crystal branches, vibrating devices installed on the two sides of the arc tank work to vibrate the arc tank, the molten steel with the temperature at the melting point is stirred as the molten steel flows over an even ceramic nail bed of the arc tank, the crystalbranches are broken to form new crystal nucleuses, and the number of the crystal nucleuses increases constantly. The crystallinity degree of the molten steel at the rear end of the arc tank reaches 60%-80%, and the molten steel with the crystallinity degree reaching 60%-80% enters a rolling mill and is rolled into steel with set shapes. The water stream or hot air from the cooling flat tubes is collected and fed into a waste heat generator.

Description

[0001] Technical field: [0002] The invention relates to a semi-solid steel rolling equipment and a control method thereof. [0003] Background technique: [0004] The molten steel coming out of the converter enters the steel rolling mill through the diversion groove. If the temperature of the molten steel is too low, the rolled steel plate is very brittle and easy to break. Mechanical strength. The cold rolling mill heats the steel plate to 600°C with a gas flame, and then squeezes the steel plate with rolls; so a lot of electricity and gas are consumed. Semi-solid rolled steel can roll out steel plates with high mechanical strength and elasticity at one time. Patent No. ZL201610544773.5 "Waste Heat Power Generation Device and Control Method and Its Application", the gas or liquid with heat coming out of the production equipment passes through the main multi-position circulation reversing valve and then enters the temperature pulsating magnetic field conversion generator th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D11/112B22D11/06B22D1/00
CPCB22D1/00B22D11/0622B22D11/112
Inventor 张英华
Owner 张英华
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