Water supply device of after-rolling cooling system

A technology of water supply device and cooling system, applied in metal rolling, metal rolling, metal processing equipment and other directions, can solve the problems of difficult adjustment, high energy consumption, large vibration of terminal equipment, etc.

Inactive Publication Date: 2012-04-04
NORTHEASTERN UNIV +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

① Power frequency pump: This control method adjusts the water pressure mainly through the pressure regulating valve at the terminal of the cooling equipment. The disadvantage is that the energy consumption is high and the vibration of the terminal equipment is relatively large.
②Variable frequency pump: This method is to adjust th

Method used

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  • Water supply device of after-rolling cooling system
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Embodiment Construction

[0011] See figure 1 In the water supply device of the present invention, the water pump 1, the water supply pipeline and the high-level water tower 2, multiple water pumps can be used, and the high-level water tower 2 can use a spherical water tower. The water supply pipeline includes a pipeline 3 connecting the outlet of the water pump 1 to the high-level water tower 2, and a pipeline 4 connecting the outlet of the water pump to the cooling system. A valve 7 is installed on the pipeline 3, and a valve 8 is installed on the pipeline 4.

[0012] During normal operation, both valve 7 and valve 8 in the pipeline are open. When the flow of the water supply pump is greater than the actual water consumption of ultra-fast cooling, the excess water flows back to the high-level water tower through valve 7 and overflows from the overflow of the high-level water tower; When the flow of the water supply pump is less than the actual water consumption of the ultra-fast cooling, the water leve...

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PUM

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Abstract

The invention discloses a water supply device of an after-rolling cooling system, which comprises a water pump and is characterized in that: one path of the water outlet of the water pump is connected with a cooling system through a pipe; the other path of the water outlet is connected with a high water tower through a pipe; and the high water tower is provided with an overflowing opening. The pipe connecting the water outlet of the water pump and the cooling system and the pipe connecting the water outlet of the water pump and the high water tower are both provided with a valve. When the water supply device works normally, both a valve (7) and a valve (8) in the pipes are opened; when the flow of the water supply pump is bigger than the actual water volume for superfast cooling, excessive water flows through the valve (7) to return to the high water tower and overflows out of the overflowing opening of the high water tower; and when the flow of the water supply pump is smaller than the actual water volume for superfast cooling, the water level in the high water tower falls to ensure the water supply capacity of the water pump is bigger than the maximum water volume for superfast cooling, and thus, the pressure of the whole water supply system can remain constant all the time.

Description

Technical field [0001] The invention belongs to the technical field of rolling automatic control, and in particular relates to a water supply device of a medium and heavy plate rolling cooling system. Background technique [0002] Water pressure regulation is an important issue in the ultra-fast cooling system for medium and heavy plates. The problems of pressure fluctuation and slow pressure adjustment time in the process of water pressure adjustment directly restrict the production efficiency and effect of the ultra-fast cooling system for medium and thick plates. In actual production, the steel plate to be cooled often oscillates in front of the cooling zone due to the failure of the water pressure adjustment requirements, resulting in a drop in the opening cooling temperature, which makes the performance and plate shape of the cooled steel plate not guaranteed, and the The swing also greatly reduces production efficiency and increases the production costs of steel companies....

Claims

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Application Information

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IPC IPC(8): B21B45/02
Inventor 田勇董占斌王丙兴王昭东袁国田鹏汤恒王国栋韩毅陈小林苑达王进王隆江
Owner NORTHEASTERN UNIV
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