Annealing liquid supplying interruption preventing system and method

Abstract

The invention discloses an annealing liquid supplying interruption preventing system and method and relates to the technical field of industrial production. The annealing liquid supplying interruptionpreventing system comprises a pressure measuring module, a PLC module and a constant-pressure adjusting device. The pressure measuring module comprises multiple pressure sensors used for measuring the pressure of multiple position points on a pipeline. The PLC module is used for obtaining the minimum pressure value Pmin in data detected by the multiple pressure sensors installed on the lower sideof the pipeline. The constant-pressure adjusting device is used for controlling the flow speed of a water pump according to the minimum pressure value Pmin and the preset pressure standard value Psd.The method includes the specific steps that firstly, the pressure sensors measure pressure on the pipeline in real time; secondly, the PLC module is used for comparing multiple practical pressure values on the lower side of the pipeline, and the minimum pressure value Pmin is obtained; and thirdly, the minimum pressure value Pmin and the pressure standard value Psd are compared, if Pmin is largerthan Psd, the constant-pressure adjusting device is used for reducing the speed of the water pump, and if Pmin is smaller than Psd, the constant-pressure adjusting device is used for increasing the speed of the water pump. By means of the annealing liquid supplying interruption preventing system and method, the annealing liquid supplying process is prevented from being interrupted, and in addition, whether the pressure sensors are damaged or not can be well known in the normal production process.

Description

technical field [0001] The invention relates to the technical field of industrial production, in particular to an annealing liquid supply anti-interruption system and method. Background technique [0002] At present, the wire drawing industry will use annealing liquid to cool the wire, and the annealing liquid supply generally adopts a constant pressure liquid supply system. The specific principle of the constant pressure liquid supply system is to compare the pressure standard value A set by the system with the actual detected pressure value B. If the pressure standard value A is greater than the actual pressure value B, the pump will be accelerated through the frequency converter. If the pressure standard value A is smaller than the actual pressure value B, the speed of the water pump is increased through the frequency converter. For example: the standard pressure value A set by the system is 0.3bar, and the actual pressure value B is 0.26bar, then the speed of the water ...

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Problems solved by technology

[0004] The purpose of the present invention is to provide an annealing liquid supply anti-interruption system and method to solve the problem that it is difficult to be detected in time when the pressure sensor fails, resulting in a large amount of waste products and large economic losses.

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