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Konstantin Zajtsev Institute of Computer Science and Artificial Intelligence Department of computerized control system Speciality Computerized control system and automation The control system for descaling hot-rolled sheet mill Scientific adviser: Ph.D., Associate Professor Alexey Shushura
Descaling centers on the explanation of the variations of descaling and descaling systems, understanding descaling forces and the principles of descaling designs. This will allow operators to concentrate their efforts in relation to scale growth control, eliminate rolled-in scale, and further enhance the surface quality produced on hot strip ...
AUDITS OF EXISTING HYDRO MECHANICAL DESCALING SYSTEMS IN HOT ROLLING MILLS AS A METHOD TO ENHANCE PRODUCT QUALITY Jürgen W. Frick Lechler D-72555 Metzingen / Germany E-mail : [email protected] Abstract : Over the life span of a rolling mill the requirements in terms of product quality and the range of steel grades may change significantly.
In part because further descaling is not particularly practical once finish rolling begins, the #2 Scale Breaker is the last opportunity to remove oxidation before the finished hot-rolled strip is coiled. Typically, the descaling system in the Hot Strip Mill is very effective at removing primary (from the furnace) and secondary (regrown
The present invention provides a descaling system for hot strip or plate mills. The descaling system includes upper and lower spray headers which are offset from each other along the pass line. Each spray header is adapted to direct a high-pressure water spray on the metal product to descale the upper or lower surface thereof. The upper and lower spray headers are offset at a distance greater ...
Mill Saves US$80,000 and Improves Operations with New Descaling Nozzles Problem: A fully integrated Midwestern steel mill manufactures hot-rolled, cold-rolled and coated-sheet products. Like all steel producers, the mill needs to remove the scale formed on the .
/ High pressure descaling / Lifting roller table / Chain seesaw; The high pressure descaler has been designed to ensure that future broader and higher slab can be descaled. By the precise setting of the upper scale bar the quality of descaling was again improved.
Descaling drawing and recoiling, wire mill equipment for processing hot rolled rod, spool pak, rod flippers, concrete pipe recoiling system
Mechanical Processes for Descaling of Steel Scale is the product of oxidation which takes place during hot rolling. The oxidation and scale formation of steel is an unavoidable phenomenon during the process of hot rolling which involve reheating of steel in a reheating furnace, multi-pass hot rolling and air-cooling in the inter-pass delay ...
new technology and process in Hot rolled wire descaling. The process will be demonstrated with MATLAB analysis to evaluate the theory and practice. The object of the project is to obtain a process modi cation for a cleaner, quicker and better environmental control during the process.
Mar 28, 2014· Skip to 10:45 for the acid bath I've been cutting a lot of parts on the Torchmate plasma lately which need to be either polished or engraved. The scale on the hot rolled .
PDF | In hot rolling, the surface quality of the finished strip depends on the performance of the descaling equipment in the roughing and finishing trains. The design of descaling systems and ...
As a result, efficient cooling of the rolls as well as the surrounding roll area is essential for the forming process in order to ensure stable roll temperatures and effective heat conversion or removal. The aim is thus to provide a uniform homogeneous cooling across the roll .
Descaling Steel hydromechanically With KAMAT high-pressure pump systems, slabs and billets in rolling mills can be efficiently descaled hydromechanically. With the annealing of steel, oxygen reacts with iron on the hot metal surface. Iron oxides, so-called scale, arise.
Rolls (cold and hot mill rolls) Profile forming machines; Water descaling unit for rolling mill. In its program, Production and Engineering Company ENCE (ЭНЦЕ ГмбХ) highlights the most significant metallurgical equipment; this equipment complies with the highest international quality standards and may be offered to customers at ...
The intensely hot Billet is placed on a roller table which carries it into the roughing mill. Descaling. ... Slitting systems. ... type and Garret type coilers are used for obtaining a compact coil of Hot rolled bars rolled upto size of 12 mm .The hot rolled condition of the compact coil makes it suitable for direct cold working with high ...
MECHANICAL DESCALING OF STEEL WIRE ROD ... and hot-rolled scale is brittle. When the rod is deformed, the steel bends, but the hot-rolled scale breaks and, provided the scale is there in sufficient quantity and provided ... requiring more horsepower from the first block to pull the rod through the descaling system.
ENDLESS ROLLING MILL — ADVANCED SOLUTIONS FROM THE MARKET PIONEERS The concept of endless hot rolling was introduced to meet the increasing demands for hot-rolled steel sheet using a cost-effective process compared to the conventional batch-type process.
Hot strip mill, hydraulic descaling, high-pressure nozzles, impact, spray thickness, descaling efficiency, descaler, energy saving, water savings ... 1,650 mm are being rolled. The mill is designed for a production of 3 Mio t/ year. ... The most important period of the descaling system in .
The production of hot rolled strip is achieved in-line: annealing, cooling, mechanical descaling and pickling are combined in integrated processing lines. Wheelabrator shot blast systems are available for narrow, medium and wide strip and are well proven in this field of application.
Preparing steel for painting (descaling) A discussion started in 1998 but continuing through 2017. 1998. Q. I have started a small (Me!) company making steel furniture and other items (park benches, tables, etc.). I usually finish with a primer, then Rustoleum. Most of the items are made from hot roll, and some involve smithing.
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Regarding hot rolling of steel, the quality of the rolled metal surfaces depends to a large extent on effective descaling. In order to avoid surface damage, iron oxide scale layers are therefore removed from the hot steel surface by high-pressure water spraying prior to the actual hot rolling process.
OVERVIEW. You'll find spray technology solutions for every area of your mill in our extensive product line. Our CasterJet ®, DescaleJet ® Pro, VeeJet ® and FullJet ® nozzles are industry standards. But that's just the beginning – we have nozzles and systems for precision oil application, selective roll cooling and heating, dust suppression, descaling and more.
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