Unlock instant, AI-driven research and patent intelligence for your innovation.
A Method for Optimizing the Side Tilt Angle of the Nozzle on the Emulsion Spray Rack of the Secondary Cold Rolling Unit
What is Al technical title?
Al technical title is built by PatSnap Al team. It summarizes the technical point description of the patent document.
A technology of secondary cold rolling and optimization method, which is applied in the direction of metal rolling, metal rolling, manufacturing tools, etc., and can solve problems affecting interference, rolling lubrication and surface quality uniformity, and emulsion uniformity
Inactive Publication Date: 2019-04-26
唐山格诺金属科技有限公司
View PDF4 Cites 0 Cited by
Summary
Abstract
Description
Claims
Application Information
AI Technical Summary
This helps you quickly interpret patents by identifying the three key elements:
Problems solved by technology
Method used
Benefits of technology
Problems solved by technology
However, the size of the nozzle side tilt angle not only affects the interference of the emulsion spray flow field of each nozzle, but also affects the uniformity of the emulsion sprayed by each nozzle on the strip surface after the flow density is superimposed, and then affects the width direction of the strip. Uniformity of rolling lubrication and surface quality
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more
Image
Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
Click on the blue label to locate the original text in one second.
Reading with bidirectional positioning of images and text.
Smart Image
Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1
[0032] Taking a secondary cold rolling unit as an example, according to figure 1 The overall calculation flow chart of the optimization method for the side tilt angle of the nozzle on the emulsion spray rack of the secondary cold rolling mill shown:
[0033] First, in step (A), the equipment and process parameters required for the optimization of the nozzle roll angle on the emulsion spray frame of the secondary cold rolling mill are collected, including: the number of nozzles N=10, the distance between nozzles L=120mm, and the nozzle injection height H =225mm, nozzle spray direction angle α=57°, nozzle spray angle θ=71°, nozzle spray flow rate Q=1.03L / min, nozzle side tilt angle minimum Nozzle side tilt max. Maximum strip width B max = 1000mm.
[0034] Subsequently, in step (B), the optimal value of the objective function F for the optimization of the nozzle roll angle is initialized y =1000, and given the optimization step of nozzle roll angle
[0035] Subsequently,...
Embodiment 2
[0054] Take a secondary cold rolling unit as an example:
[0055] First, in step (A), the equipment and process parameters required for the optimization of the nozzle roll angle on the emulsion spray frame of the secondary cold rolling mill are collected, including: the number of nozzles N=10, the distance between nozzles L=120mm, and the nozzle injection height H =280mm, nozzle spray direction angle α=45°, nozzle spray angle θ=65°, nozzle spray flow Q=0.80L / min, minimum value of nozzle roll angle Nozzle side tilt max. Maximum strip width B max = 1000 mm.
[0056] Subsequently, in step (B), the optimal value of the objective function F for the optimization of the nozzle roll angle is initialized y =1000, and given the optimization step of nozzle roll angle
[0057] Subsequently, in step (C), the nozzle roll angle optimization process parameter i is defined, and i=0 is initialized.
[0058] Subsequently, in step (D), the nozzle roll angle corresponding to the optimized...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More
PUM
Login to View More
Abstract
A method for optimizing the roll angle of a nozzle on an emulsion spraying frame of a secondary cold rolling unit comprises the following step (A) of collecting the required technological parameters of equipment for optimizing the roll angle of the nozzle; the step (B) of initializing the optimal value Fy of an optimized objective function of the roll angle of the nozzle, and setting the optimal step size delta phi; the step (C) of initializing an optimization process parameter i=0; the step (D) of calculating the roll angle phii of the nozzle; the step (E) of calculating the flow density distribution qli (xj)of emulsions sprayed by a single nozzle in the band steel width direction; the step (F) of calculating the flow distribution qNi (xj)of emulsions sprayed by N nozzles in the band steel width direction after superposition; the step (G) of calculating the horizontal flow distribution qi(xj) of the emulsions of the secondary cold rolling unit within the band steel width range; the step (H) of calculating the optimized objective function F(phii)of the roll angle of the nozzle; the step (I) of judging if F(phii)< Fy is true; the step (J) of judging if phii<phimax is true; and the step (K) of outputting the optimal value phiy of the roll angle of the nozzle on the emulsion spraying frame of the secondary cold rolling unit. According to the method disclosed by the invention, theflow distribution uniformity of the emulsions on the band steel surface of the secondary cold rolling unit can be improved.
Description
technical field [0001] The invention belongs to the technical field of cold rolling, in particular to a method for optimizing the side inclination angle of a nozzle on an emulsion spray frame of a secondary cold rolling mill. Background technique [0002] Secondary cold rolling refers to the secondary rolling of strip steel after cold rolling and annealing. It is often used to produce thin cold-rolled tinplate original plates. The secondary cold rolling unit often adopts the form of double stands. According to product specifications The strip is rolled and thinned at a reduction rate of 10% to 40% in the first stand, and flattened at an elongation rate of 0.5% to 1.0% in the second stand. In order to achieve a larger reduction rate of the first stand, the emulsion direct injection lubrication system is often used for rolling lubrication. During the secondary cold rolling process, the emulsion is sprayed on the surface of the strip by the nozzle installed on the spray frame,...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More
Application Information
Patent Timeline
Application Date:The date an application was filed.
Publication Date:The date a patent or application was officially published.
First Publication Date:The earliest publication date of a patent with the same application number.
Issue Date:Publication date of the patent grant document.
PCT Entry Date:The Entry date of PCT National Phase.
Estimated Expiry Date:The statutory expiry date of a patent right according to the Patent Law, and it is the longest term of protection that the patent right can achieve without the termination of the patent right due to other reasons(Term extension factor has been taken into account ).
Invalid Date:Actual expiry date is based on effective date or publication date of legal transaction data of invalid patent.
Login to View More 
Login to View More