Water screen accelerated cooling system for medium and heavy plate after on line post rolling

An accelerated cooling system and water curtain technology, applied in cooling beds, metal rolling, metal rolling, etc., can solve the problems of increasing steel plate processing costs, restricting the improvement and improvement of steel plate performance, and increasing equipment costs

Inactive Publication Date: 2009-06-10
SHANDONG IRON & STEEL CO LTD
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the tube laminar flow water curtain is not a flat continuous water curtain, its cooling strength is relatively weak. It is necessary to increase the number of water curtains on the production line, resulting in an increase in equipment costs, which also increases the cost of steel plate processing. There are gaps between the water columns of the curtain, so strip cooling is formed on the processed steel plate, which restricts the improvement and improvement of the performance of the steel plate, which is the deficiency of the existing technology

Method used

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  • Water screen accelerated cooling system for medium and heavy plate after on line post rolling
  • Water screen accelerated cooling system for medium and heavy plate after on line post rolling

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Embodiment Construction

[0009] In order to clearly illustrate the technical features of the solution, the solution will be described below through a specific implementation.

[0010] It can be seen from the accompanying drawings that the water curtain accelerated cooling system after the online rolling of medium and heavy plates in this scheme includes a high-level water tank (2) with a water inlet pipe (1) and water supply through the upper water curtain water supply pipe (8) and the lower water curtain. The pipe (4) is connected with the high-level water tank (2), and the upper water curtain device (11) and the lower water curtain device (13) are arranged correspondingly up and down on the roller table (12). In this scheme, an upper water curtain device (11) and a corresponding lower water curtain device (13) form a water curtain group, and there are 3-7 water curtain groups in this system, and this specific embodiment adopts 7 water curtains Group, the distance between each water curtain group sho...

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Abstract

The invention offers a kind of technique project of the speed up cooling system. The project mainly includes the high position water tank for water in and the up and down equipment connected with the high position water tank by up and down water tube. In the project, a up equipment and a down equipment constitute a team, the system has 3--7 teams. The up and down equipment both uses level narrow sew to spray, the thickness is between 3.0--8.5mm. On the up equipment there is a width regulation device. Every equipment is connected with the high position water tank by independent water in tube, the up and down equipment in the team has the cooling speed of 5--28DEG C every second.

Description

Technical field: [0001] The invention relates to an accelerated cooling system for steel plates rolled on the production line in metal rolling, especially a water curtain accelerated cooling system for medium and thick plates after on-line rolling Background technique: [0002] In the prior art, the closest prior art to the present invention is the tube laminar water curtain formed by many water columns. Since the tube laminar flow water curtain is not a flat continuous water curtain, its cooling strength is relatively weak. It is necessary to increase the number of water curtains on the production line, resulting in an increase in equipment costs, which also increases the cost of steel plate processing. There are gaps between the water columns of the curtain, so strip cooling is formed on the steel plate to be processed, which restricts the improvement of the performance of the steel plate, which is a deficiency in the prior art. Invention content: [0003] The object of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21B43/00
Inventor 孙玮崔凤平何绪友陈五升
Owner SHANDONG IRON & STEEL CO LTD
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