Hydraulic Control System for Adjusting the Clamping Pressure of the Mold Wide Side of Slab Continuous Casting Machine
A hydraulic control system and technology for a slab continuous casting machine are applied in the field of hydraulic control system for adjusting the clamping pressure of the mold wide side of the slab continuous casting machine. Effectiveness of work rate, accurate control, reduction of clamping pressure error
Active Publication Date: 2016-09-14
CISDI ENG CO LTD
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Problems solved by technology
This method can meet the clamping pressure adjustment of the upper and lower ends of the wide side, but it is cumbersome, manual adjustment, and the adjustment pressure is inaccurate through the reading of the pressure gauge
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[0012] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are only for illustrating the present invention, but not for limiting the protection scope of the present invention.
[0013] As shown in the figure, a slab continuous casting machine crystallizer wide-side clamping pressure adjustment hydraulic control system includes an inlet one-way throttle valve 4, an outlet one-way throttle valve 3 and an electromagnetic reversing valve 2 connected in sequence, It is characterized in that it also includes a three-way proportional decompression and overflow valve 1 that can realize continuous stepless adjustment of the clamping pressure at the upper and lower ends of the wide side. The three-way proportional decompression and overflow valve 1 is connected with the electromagnetic reversing valve 2, The oil outlet of the inlet one-way throttle valv...
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The invention discloses a clamping pressure regulation hydraulic control system for a broad edge of a crystallizer of a slab caster. The clamping pressure regulation hydraulic control system for the broad edge of the crystallizer of the slab caster comprises inlet one-way throttling valves, outlet one-way throttling valves, magnetic exchange valves and three-way proportional decompression overflow valves, wherein the three-way proportional decompression overflow valves are connected with the magnetic exchange valves, and pressure sensors are further arranged on oil outlets of the inlet one-way throttling valves. When width adjustment is carried out on the crystallizer, automatic adjustment of clamping pressure at the upper end and the lower end of the broad edge can be achieved, manpower cost is reduced, and the operating efficiency of the slab caster is improved. In addition, comparison, correction and compensation are carried out on actual pressure monitored by the sensors and set pressure of the three-way proportional decompression overflow valves, control can be accurately carried out on the clamping pressure of the broad edge, and clamping pressure errors caused by manual regulation on pressure of a hand-operated reducing valve can be reduced.
Description
technical field [0001] The invention belongs to the field of a hydraulic control system for a crystallizer of a slab continuous casting machine, and in particular relates to a hydraulic control system for adjusting the clamping pressure of the wide side of the crystallizer of a slab continuous casting machine. Background technique [0002] The crystallizer is one of the key equipment of the slab continuous casting machine. The traditional mold width adjustment is to replace the crystallizer or stop the machine to adjust the width of the crystallizer in an online cold state, resulting in loss of production time and loss of raw materials caused by secondary casting; The on-line width adjustment of the device can improve the metal yield and production operation rate, and increase the productivity of the continuous casting machine. Whether the crystallizer can achieve online width adjustment (including hot width adjustment and cold width adjustment), the clamping pressure at the...
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IPC IPC(8): B22D11/05B22D11/18
Inventor 张文彬
Owner CISDI ENG CO LTD