Secondary cooling water branch system with widthwise cutting branches

A branch and branch technology, applied in the field of secondary cooling water branch system, can solve the problem of uneven cooling at the corner of the slab

Active Publication Date: 2014-01-01
CHINA NAT HEAVY MACHINERY RES INSTCO
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  • Abstract
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Problems solved by technology

[0004] In order to overcome the defects of the above-mentioned existing systems, the object of the present inventio

Method used

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  • Secondary cooling water branch system with widthwise cutting branches

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Embodiment Construction

[0013] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0014] A secondary cooling water branch system equipped with a cutting branch, including at least one branch, each branch has the same configuration, each branch contains a branch trunk, and a middle branch is connected in parallel downstream of the branch trunk Road and at least one cutting branch; the configuration of each cutting branch is the same;

[0015] The branch road is equipped with a first manual ball valve 1, a Y-row filter 2 is arranged downstream of the first manual ball valve 1, a second manual ball valve 3 is arranged downstream of the Y-row filter 2, and the upstream of the first manual ball valve 1 and the second A bypass is set downstream of the manual valve 3, and a third manual ball valve 4 is arranged on the bypass;

[0016] The middle branch is equipped with a fourth manual ball valve 5, a first electromagnetic flowmeter 6 is arranged...

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Abstract

The invention discloses a secondary cooling water branch system with widthwise cutting branches. The system comprises at least one branch, wherein the configuration of each branch is the same, and each branch comprises a branch trunk; a middle branch and at least one widthwise cutting branch are connected in parallel with the downstream of each branch trunk; each middle branch is provided with a first electromagnetic flow meter; a first pneumatic adjusting valve is arranged on the downstream of each first electromagnetic flow meter; corrected water flow is transmitted to the first pneumatic adjusting valves in form of analogue quantity signals through a first PLC (programmable logic controller) control module, and the first electromagnetic flow meters feed back signals to the first PLC control module; each widthwise cutting branch is provided with a second electromagnetic flow meter; a second pneumatic adjusting valve is arranged on the downstream of each second electromagnetic flow meter; the corrected water flow is transmitted to the second pneumatic adjusting valves through a second PLC control module, and the second electromagnetic flow meters feed back signals to the second PLC control module. According to the system, the water flow of each widthwise cutting branch can be accurately controlled and adjusted according to process requirements, so that the cooling intensity of the middle and side parts of an ingot blank is uniform.

Description

technical field [0001] The invention belongs to the field of metallurgical continuous casting equipment and control, in particular to a secondary cooling water branch system equipped with a width cutting branch. Background technique [0002] During the steel pouring process, the secondary cooling water cools the slab, and the control of the secondary cooling water branch realizes the amount of secondary cooling water, and then controls the temperature of the slab. The secondary cooling water pipeline includes several branches, each branch includes a branch trunk, and the branch trunk is further divided into a middle branch and at least one width cutting branch. According to the different dimensions of the cast slab width, control and adjust different width cutting branches and middle branches to make the corners of the slab cool more evenly. [0003] At present, the configuration and control of the secondary cold water branch at home and abroad are: the branch road is equip...

Claims

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Application Information

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IPC IPC(8): B22D11/124
Inventor 周士凯王西林刘赵卫王蓉张西峰刘俊平王文学
Owner CHINA NAT HEAVY MACHINERY RES INSTCO
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