The invention discloses an online adjustment method for core process parameters of an electrostatic oiler based on uniform oiling. The online adjustment method comprises the steps of collecting required equipment process parameters, calculating an electrostatic oiler oiling amount integrated control optimization objective function, judging whether a convergence condition is satisfied, moving on toa step of outputting parameters if the convergence condition is satisfied, and updating an array X and a search step size delta X thereof if the convergence condition is not satisfied. The online adjustment method for the core process parameters of the electrostatic oiler based on uniform oiling can realize integrated optimization of oil coating uniformity of the horizontal electrostatic oiler. Under the condition of ensuring that upper surface and lower surface oiling amounts of the electrostatic oiler reach target values, the online adjustment method can realize uniform oil coating by optimizing and obtaining optimal upper surface and lower surface oiling amounts and sprayer intervals, and can ensure the smooth progress of on-site production of cold rolling mill units.

Online adjustment method for core process parameters of electrostatic oiler based on uniform oiling

The invention discloses a uniform oil coating based online regulating method for core process parameters of an electrostatic oiler. The uniform oil coating based online regulating method comprises thefollowing steps: collecting process parameters of needed equipment, and calculating oiling amount of the electrostatic oiler to comprehensively control and optimize a target function; judging whethera convergence condition is established or not, and transferring to a step of outputting the parameters if the convergence condition is established; and if the convergence condition is not established, updating an array X and a step size in search Delta X thereof. The uniform oil coating based online regulating method can realize comprehensive optimization of oil coating uniformity of the horizontal electrostatic oiler, realizes uniform coating of oil by optimizing out the distance between optimal oiling amount of upper and lower surfaces and a sprayer in case of guaranteeing that oiling amount of upper and lower surfaces of the electrostatic oiler reaches a target value, and guarantees that production on a cold-rolling unit field is smoothly performed.

Uniform oil coating based online regulating method for core process parameters of electrostatic oiler

The invention discloses an eight-roll cold-rolling unit plate shape rolling control method and system. The method and system are combined with equipment features and technological features of an eight-roll cold-rolling unit, all racks are comprehensively considered, the roll shifting quantities of the racks, the initial value of the roll bending force and the optimized step length are set synergistically, the influence of the roll shifting quantity and the roll bending force of the eight-roll cold-rolling unit on the plate shape of a finished product is analyzed quantitatively, and the roll bending force and the roll shifting quantity of the eight-roll cold-rolling unit are adjusted and optimized on line to obtain the optimal value of the roll shifting quantity and the optimal value of theroll bending force, so that the racks are controlled to roll the plate shape of the finished product according to the optimal value of the roll shifting quantity and the optimal value of the roll bending force of the racks, and the plate shape of finished belt steel produced by an eight-roll rolling machine is the best. Meanwhile, the probability of defects of the belt steel is limited to the maximum extent. The rolling control precision and stability of the plate shape of the finished belt steel produced by the eight-roll cold-rolling unit are improved.

Eight-roll cold-rolling unit plate shape rolling control method and system

The invention discloses a method and a system for setting a roll profile curve of a furnace roller of a whole furnace section of a continuous annealing unit. The method comprises the following steps of dividing the continuous annealing unit into seven process sections according to an initial roll profile curve; collecting roll profile parameters of the furnace roller in each process section; collecting equipment process parameters of the whole furnace section of the continuous annealing unit; optimizing the roll profile parameters of the furnace roller in each process section according to theequipment process parameters; calculating roller diameter distribution of the furnace roller of each process section according to the optimized roll profile parameters of the furnace roller in each process section; and setting the roll profile curve of the furnace roller of the whole furnace section of the continuous annealing unit according to the roller diameter distribution of the furnace roller of each process section. According to the method and the system, the stable sheet passing of strip steel in a continuous annealing furnace can be ensured, and the outlet sheet shape of the strip steel in the continuous annealing unit can be improved.

Method and system for setting roll profile curve of furnace roller of whole furnace section of continuous annealing unit

The invention discloses an oil coating amount setting method based on uniform coating of the upper surface and the lower surface of a plate, and belongs to the technical field of plate coating. A nozzle is arranged on each side of the upper surface and the lower surface of the plate, so that uniform coating of the upper surface and the lower surface is achieved; equipment process parameters for coating of the plate by the nozzles are collected, the oil coating amount setting ranges of the plate after uniform coating of the upper surface and the lower surface of the plate is completed through the nozzles is determined, the oil coating amount optimization step length is selected within the oil coating amount setting range of the upper surface of the plate, and the optimization step number isdetermined; the oil coating amounts and the spraying regions of the upper surface and the lower surface of the plate in each step of the optimization process are determined within the oil coating amount setting ranges of the plate obtained after uniform coating of the upper surface and the lower surface of the plate is completed; and based on the purpose that minimization of the difference between the oil coating amounts of the upper surface and the lower surface of the plate serves as an objective function in the spraying regions, the optimum oil coating amount is determined. Under the condition that the purpose that the oil coating efficiency reaches a target value is guaranteed, minimum consumption of oil can be achieved, and the field production cost of a cold rolling continuous annealing unit is reduced.

Oil coating amount setting method based on uniform coating of upper surface and lower surface of plate

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