ACS for short circulation systems and the headbox

ACS for short circulation systems and the headbox
ACS for short circulation systems and the headbox

Brief description

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Automated control system of short circulation systems and headboxes, is designed to control equipment that is dosing the pulp for paper machine, paper pulp refining, regulating flow rate of pulp on the grid.
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  • Automated control system of short circulation systems and headboxes, is designed to control equipment that is dosing the pulp for paper machine, paper pulp refining, regulating flow rate of pulp on the grid, and may include the following subsystems:

    - Control subsystem of the pulp cleaning systems which provides work of cleaning equipment in the specified technological mode.

    - Subsystem headbox control, whose task is to stabilize the value of the total pressure on the required value based on the current speed of the paper machine, and consequently the speed of pulp flow on the grid and the ratio of pulp flow speed and the grid speed that improves quality parameters of paper web, ensuring of optimal pulp recycling in headbox's collector, which provides a uniform pulp flow on the grid and thus forming the paper web

    - Subsystem concentration regulation of the pulp (before the headbox) and the surface density of the paper web on the grid on a dry fiber, which provides stabilization of the surface density of the paper web during lapping of pulp on the grid, which can significantly improve the quality of the paper web and stabilize the work of the rest parts of the paper machine

    - Subsystem profile control allows correcting and getting straight profile of the paper web during lapping pulp on the grid according to the data of quality control system that is installed on the paper machine.