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A method and system for monitoring the response time of manifold valves

A technology of response time and valve, which is applied in the field of hot rolling, can solve problems such as the inability to test the valve response time, achieve the effect of preventing coiling temperature overshoot or delay, improving coiling temperature control accuracy, and realizing the effect of testing

Active Publication Date: 2019-07-12
BEIJING SHOUGANG CO LTD
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Problems solved by technology

[0009] The present invention solves the technical problem that the response time of the valve cannot be tested in the prior art by providing a monitoring method and system for the response time of the header valve, and realizes the technical effect of improving the control accuracy of the coiling temperature

Method used

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  • A method and system for monitoring the response time of manifold valves
  • A method and system for monitoring the response time of manifold valves
  • A method and system for monitoring the response time of manifold valves

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Embodiment Construction

[0066] The embodiments of the present invention provide a method and system for monitoring the response time of header valves, which solves the technical problem in the prior art that the response time of the valve cannot be tested, and achieves the technical effect of improving the control accuracy of the coiling temperature.

[0067] The technical solution in the embodiment of the present invention is to solve the above-mentioned problems, and the general idea is as follows:

[0068] First send the opening signal of the valve on the header, and record the current triggering time; then receive the water falling time when a layer of cold water falls on the roller surface; finally subtract the current triggering time from the water falling time to obtain the response time of the valve on the header, In this way, the test of the response time of the valve on the header is realized, which facilitates the monitoring and adjustment of the valve of the layer cooling header, and prevent...

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Abstract

The invention discloses a monitoring method and system for the response time of a collecting pipe valve. The monitoring method at least comprises the steps that an opening signal of the valve on a collecting pipe is sent, and the current trigger time is recorded; the time of falling of layer cold water on the roll surface is received; and the water falling time subtracts the current trigger time,thus the response time of the valve on the collecting pipe is obtained, so that the response time of the valve on the collecting pipe is tested. Monitoring and adjusting for the layer cold collectingpipe valve are facilitated, the situation that the site valve response time is not matched, and thus coiling temperature overshoot or delay occurs is prevented, and the control precision of the coiling temperature is further improved.

Description

technical field [0001] The invention relates to the technical field of hot rolling, in particular to a method and system for monitoring response time of header valves. Background technique [0002] Qiangang 2160mm hot rolling is a conventional semi-continuous hot rolling line, the main equipment such as figure 1 shown. The object of coiling temperature control is cooling area equipment, mainly headers and valves. The cooling zone is defined from the pyrometer at the exit of the finishing mill to the pyrometer at the entrance of the undercoiler. The cooling zone is divided into rough cooling zone and fine cooling zone. The overall layout of the cooling zone before the ultra-fast cooling transformation is as follows: figure 2 As shown, the overall layout of the cooling zone after ultrafast cooling transformation is as follows image 3 shown. [0003] Depend on figure 2 and image 3 It can be seen that before the ultra-fast cooling transformation, the post-rolling coo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21B38/00B21B37/76
Inventor 王淑志王伦薛金成崔伦凯辛艳辉王秋娜孙力娟程艳飞
Owner BEIJING SHOUGANG CO LTD
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