A frequency conversion control system and control method for single-pump descaling
A variable frequency control, single pump technology, applied in the direction of rolling mill control devices, metal rolling, manufacturing tools, etc., can solve the problems that the equipment cannot be operated safely and reliably, cannot save energy, and can meet the needs of descaling, so as to solve the problem of water waste, Ensure normal operation and solve the effect of high energy consumption
Active Publication Date: 2015-09-09
SHANGHAI BAOSTEEL ENERGY TECH
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[0005] The purpose of the present invention is to provide a single-pump descaling frequency conversion control system to solve the technical problem that the single-pump descaling system in the prior art cannot save energy while meeting the descaling requirements and make the equipment run safely and reliably when the frequency conversion works
[0006] Another object of the present invention is to provide a control method for the above-mentioned single-pump descaling frequency conversion control system to solve the problem that the single-pump descaling system in the prior art cannot save energy while meeting the descaling requirements and Technical issues that make equipment safe and reliable
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[0035] The present invention will be described in detail below in conjunction with the accompanying drawings.
[0036] The frequency conversion control system for single-pump descaling of the present invention includes a high-pressure water supply subsystem, an injection subsystem, an energy storage subsystem, an automatic control device, an operation display device, a frequency conversion control device, and a signal acquisition device. The control device, the injection subsystem, the signal acquisition device are connected with the energy storage subsystem, the signal acquisition device is connected with the energy storage subsystem, the frequency conversion control device, and the automatic control device respectively, and the automatic control device is connected with the frequency conversion control device and the operation display device respectively. The automatic control device of the present invention can predict the signals sent by the signal acquisition device and th...
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The invention provides a single-pump descaling variable frequency control system and a control method thereof. The single-pump descaling variable frequency control system comprises a high-pressure water supply subsystem, an injection subsystem, an energy storage subsystem, an automatic control device, an operation display device, a variable frequency control device and a signal acquisition device, wherein the high-pressure water supply subsystem is connected with the variable frequency control device, the injection subsystem, the signal acquisition device and the energy storage subsystem respectively; the signal acquisition device is connected with the energy storage subsystem, the variable frequency control device and the automatic control device respectively; and the automatic control device is connected with the variable frequency control device and the operation display device respectively. Compared with the prior art, a descaling pressure requirement during injection can be met by anticipating and timely increasing the rotation speed of a high-pressure centrifugal pump; the running frequency of the high-pressure centrifugal pump can be timely improved to supplement high-pressure water when the water quantity of an air hydraulic cylinder is deficient, so that equipment can run safely and reliably; and the problems of higher energy consumption and water source waste caused by long-term and high-speed running of the high-pressure centrifugal pump are solved.
Description
technical field [0001] The invention relates to the technical field of hydraulic descaling, in particular to a single-pump descaling frequency conversion control system and a control method thereof. Background technique [0002] At present, in the production process of metallurgical hot rolling in my country, high-pressure water based on the principle of fluid mechanics is generally used to remove primary and secondary oxide scales. It is more common to use multiple power frequency pumps for continuous production and operation to maintain the pressure of the main pipe of the system. In the past ten years, the trend of high-pressure water descaling has developed towards the direction of energy saving, low failure rate and long service life of equipment, and more and more power frequency plus frequency conversion are used for operation. [0003] In the multi-pump descaling control system, since multiple pumps are running at the same time, energy can be saved by implementing fr...
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IPC IPC(8): B21B45/08B21B37/00
Inventor 肖丽陈池顾威
Owner SHANGHAI BAOSTEEL ENERGY TECH