Hot Strip Mill - Kalinganagar DMAIC Project. Quality Assurance, HSM - TSK Page 2 TATA STEEL Confidential Project Charter ... Rolled in Scale Descaling Pressure Drop at HSB, RM#1, RM#2 and FSB (<160 Bar) Abnormal Heating curve …
Descaling is a key process of hot rolling, especially when a good surface quality of the hot rolled products is demanded. Many studies have been made on the descaling technique of the hot strip mill (HSM) process (1-3). The key descaling parameters include the facility, the descaling performance and the descaling conditions (Figure 1).
S MIE AG Hot Flat Rolling Mills 2 SMS Siemag does not treat descaling as an isolated measure but as an integral part of the process chain from continuous casting through hot and cold rolling up to final strip processing. Strips with an excellent surface quality can be produced only if well-tuned measures are taken in all process steps.
In the hot strip mill, the slab is brought to temperature in the reheating furnace and discharged for rolling. To break the primary scale, the slab is passed through a slab descaler before the reversing roughing mill. A secondary oxide scale is inevitably formed between successive rolling passes dur-ing hot rolling, which is further removed by ...
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.
DESCALE-MASTER. High-pressure water descaler. BENEFITS. Total descaling solutions for the entire rolling mill. Optimized and right-sized pumping stations. Designed to achieve maximum impact with optimal water and power. Maintenance and operator-friendly design. Reduced cost of operation. Totally scale-free products with reduced conversion costs.
Dunkirk hot strip mill. This modernization measure ensures the operational reliability of the drive train, prepares the mill for a future extension and reduces mill maintenance. The rougher R5 is the last of four non-reversing stands in the five-stand roughing mill of ArcelorMittal's hot strip mill in Dunkirk, France.
Several types of descaling processes are used for removal of scale from the surface of the hot rolled steels. These descaling processes are usually classified into four categories. These are (i) flame cleaning process, (ii) mechanical descaling processes, (iii) hydraulic descaling process, and (iv) chemical descaling processes.
Descaling System For Hot Rolling Mill. Descaling Pump. Centrifugal Blower. CNG Compressor. Composite Rolls. Boiler Feed Pump. BB-Series Centrifugal Pump. BackUp Rolls. 4 Roll Mills. Vertically Suspended Pumps. Multi-Stage Centrifugal Pumps. Non Roll Products. Rolling Mill Rolls.
hot strip mills. There are two kinds of scale relevant in casting plants and rolling mills: Sticky and dry scale. Sticky scale can be removed most effectively by using high pressure systems up to 450 bar. Dry scale can be removed from the surface by application of descaling systems with low distances of the descaling nozzle to the material.
Descaling of heated slab is a must in the hot strip mill for attaining good surface quality of the hot rolled strip. Descaler operation need to be optimize in order to ensure maximum scale removal and hence enhanced cleaning at minimum cooling of the heated slab.
Descaling device and method. A descaling device for slabs or strips in hot rolling mills includes nozzles fed by a pressurized water piston pump for directing water jets against the slab or strip for removing scale adhering to the surface of the slab or strip. At least one additional pressurized water piston pump is provided, wherein the piston ...
Important applications of descaling are hot rolling mills for forming steel. The scale scrubbers are an elementary component of the plants in steelworks and prevent the rolling in of the iron oxide. Scale scrubbers are also used in the production of heavy plates, wires or metal profiles.
slab hot rolling mill, plate mill or any other hot rolling mill and which offers the following benefits: n Remarkable increase of impact for better descaling n Better product surface quality due to higher impact n Reduction of descaling water flow rate possible n …
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.
If industrial hot rolling processes are considered, thick primary scale formed in a heating furnace is removed by descalers before hot rolling. However, secondary scale starts to grow immediately after the descaling. It is important to optimize the duration between the descaler and the rolling mill or the position of descaler in the hot-rolling ...
UTPSL provide High Pressure Descaling System for removal of scale from hot metal before rolling in steel plants.Descaling Systems can be designed for Billet,Slab,Plate,Bloom Forging, Seamless Pipe,Profiles etc for Primary descaling
Descaling, Compact Endless Cast and Rolling Mill, CEM, Nozzle, Spray Energy 1. Introduction Hot rolling predetermines the surface quality of the final product significantly. In order to create ideal conditions for an optimum rolling process accurate descaling is essential.
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 competitive prices. Description
Descaling In Hot rolling Mills Scale is formed during hot rolling of ferrous metals resulting in a high wear rate of the rolls and subsequently deterioration of the quality of final rolled product. In the case of drop forged products, removal of scale ensures longer life of dies as well as good surface finish.