chinese technology for hydrochloric acid heating in cold roll mill pickling line. Why do we use 15-18% HCl for pickling - Finishing May 17, 2008· I am a trainee Engineer at a cold-rolling complex and looking after commissioning activities at Push-Pull Pickling line of the mill.

Coupled pickling line & tandem cold mill, cold mills to linked pickling and tandem cold rolling mill, talent are nothing without a good conductor, ... chinese technology for hydrochloric acid heating in cold roll mill pickling line, Pickling line/tandem cold mills, ...

In rolling mills, intermediate steel products are given their final shape and dimension in a series of shaping and finishing operations. Most of the slabs are heated in reheating furnaces and rolled into final shape in hot– or cold–rolling or finishing mills. While some products (e.g. reinforcement bars, steel plates) only require hot-rolling, some others may require both hot– and cold ...

Our PGL, a multi-process line, produces 700,000 tons of galvanized steel annually. By combining the pickling and galvanizing processes in a single system, this integrated line provides high added value for the customer in terms of profitability and environmental benefits. The incoming material is hot-rolled, low-carbon steel strip coming from the adjacent endless strip production …

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processing lines and plate mills. However, lower level compared to China ¾Some investments in Russia in strip processing lines ¾Many more orders followed until 2007, booming market for plate mills and electrical steel last 2-3 years ¾Growing orders for cold rolling mills and strip processing lines in China ¾Still same ratio, which means approx.

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Chinese Technology For Hydrochloric Acid Heating In Cold Roll Mill Pickling Line; Four Roller Cold Rolling Mill; Inquire Now Projects: Cold Rolled Mill Oil Filtration Filtra-Systems

So called pickling is using hydrofluoric acid and nitric acid solution to wash steel surface oxide generated after heat-treated. Used in the solution composition and ratio values: HF (3-8%), HNO3 (10-15%), H2O (the remaining amount) when processing solution temperature at 40-60 °C. Steel pipe pickling procedure:

Rizhao Steel s pickling and galvanizing line. In the first step the scale breaker cracks the scale on the strip surface. The subsequent chemical pickling with hydrochloric acid and an additional spray pickling section at the entry and exit of the pickling tank deliver scale-free hot strip to the first skin pass mill (SPM1).

In the acid baths three variables under controlled are the hydrochloric acid ... heating acid solution for pickling the ... 1450 mm continuous pickling line and tandem cold rolling mill.

Chinese Technology For Hydrochloric Acid Heating In Cold Roll Mill Pickling Line 1450 Push Pull Pickling Line/Hydrochloric Acid Line/Shot Blast Pickling Line FOB Price: US $860,000-2,300,000 / Set Min. Order: 1 Set

chinese technology for hydrochloric acid heating in cold roll mill pickling line The coil sent by the hot rolling mill shall be treated three times continuously, and the oxide film shall be removed with hydrochloric acid before it is sent to the cold rolling mill.

The process comprises applying an aqueous pickling solution containing hydrochloric acid and ferric and ferrous pickling irons in solution, and, for the purpose of maintaining a constant pickling power of the aqueous solution of hydrochloric acid having a pH lower than 1, maintaining the concentration of Fe3+ ions at a value between 1 g/litre and 300 g/litre, by …

In the pickling line, heat escapes through evaporation from the hydrochloric acid bath. The bath is normally heated to temperatures of 95°C. It is reported that steam use can be reducedby installing a system of lids and floating balls on top of the bath.

chinese technology for hydrochloric acid heating in cold roll mill pickling line JSW Cold Rolled BrochureCold Rolled Steel Cold Rolled Continuous Pickling Line (CPL) HCL Continuous Pickling Line with a capacity of 1.4 Mtpa uses proven and reliable technology to process hot rolled carbon steel as per the technical specifications.

Hydrochloric Acid Handbook. production and further processing of cold-rolled carbon steel, stainless steel, and non-ferrous metal strip. These lines con- sist of equipment for cold rolling, heat treat - ment, surface finishing, strip coating and finishing, punching and deep drawing, la-ser and resistance welding, and for pickling acid regeneration.

Rolling Mills/Cold reduction, skinpass and temper - AIST Buyers Guide. Design and furnish: continuous and push-pull pickling lines for both carbon steel and, using conventional or Gravitel technologies, acid recovery plants for either HCl and, Cooling Bed Castings, radiant heater tubes, riders, rails, doors, door sills,, JX Science & Technology Development Co,Ltd …

EPS is Eco-Pickled Surface. With Slurry Blasting, no hydrochloric acid or acid regeneration, Like acid pickling, EPS removes mill scale from the surface of hot rolled steel, including stainless, steel pickling processing lines for sheet steel, plate and coil in China, India,, The Material Works brings you technology for steel strip pickling without acid.

China Second Hand Annealing Line With Cold Rolling Mill. Continuous galvanizing line (cgl) colour coating line (ccl) pickling line; tension levelling line (tll) electrolytic cleaning line (ecl) electro galvanizing line (egl) annealing and pickling line (ap) bright annealing line (ba) rewinding, slitting line and cut to length line; bluing black annealing line.

Pickling is a chemical method of finishing. Generally, a pickling solution for titanium is "nitric-hydrofluoric acid solution," which is an aqueous solution mixed with nitric acid and hydrofluoric acid. The unevenness on the surface formed by pickling is very finer than that of the dull-roll finish as shown in Fig. 1 B.

Rizhao Steel's pickling and galvanizing line In 2003, construction work began at Rizhao Steel – a private enterprise – on a stretch of seashore in the Chinese province of Shandong. Ten years later, Rizhao Steel had become an integrated group of companies with a combination of agglomerate production (sinter, pellets), production of iron and steel, rolling mills, power …

Hot rolled coils pass through a pickling line, where scale breaker machines and hydrochloric acid solutions are used to remove any surface scale and/or oxide film that which causes surface flaws during the final stage of cold rolled steel processing. 2. Cold Rolling. Pickled coils are cold rolled in tandem mills to a specified thickness ...