Strip Descaling

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Hot rolled stainless steel strip annealing and pickling production projects are generally carried out in the following steps: namely, annealing, cooling, mechanical phosphorus removal, acid cleaning and leveling.Strip Descaling is used for continuous production line, high mechanical properties and phosphorus removal of stainless steel strip. This high quality homogeneous phosphorus removal can makes subsequent chemical phosphorus acid consumption reduced, so that the metal ion in acid solution effectively reduced. Through the optimization of shot blasting machine, shot blasting capacity utilization, can obtain very high to scale efficiency, so as to ensure the uniformity of the surface quality of steel strip to be processed. When the mill stainless steel strip annealing and pickling line is an important part, installed at the back of the phosphorus breaking machine, ahead of the pickling bath.Capacity and unit parametersProduction capacityAnnual production capacity of 500000 tonsUnit parameterWear rate: 5 ~ 15m/minInlet section speed: 5 ~ 120m/minProcess section speed: 5 ~ 60m/minExit section speed: 5 ~ 120m/minProcess segment acceleration: +0.133m/s2Process segment reduction: -0.133m/s2Technology segment: -0.26m/s2Basic functions and technical requirements of equipmentThe basic function requirements of shot blasting machineMust meet under the maximum production speed strip descaling requirements to ensure that after shot peening on the surface of the steel strip without residual iron scale, no dust, Sa2.5 cleanliness, surface roughness Ra is less than or equal to 2.5 mu m.Dust emission standard, lower than 20mg/m3Provide unit speed and steel, the width variation of polishing head current implementation of closed-loop control mathematical model and the relevant control requirement and detailed functional specificationsProvide detailed instructions for fault display, alarm and self diagnostic functionProvide a detailed description of the angle of automatic adjustment of the width of different steel beltsProvide detailed description of different steel steel projectile speed regulationSeparate sand blasting machineTwo dust removal in the roomThe dust removal system adopts the bag type, and contains the requirements for the dust removal, (35000m3/h), the design of an effective fire system.2.7.2 steel shot blasting machine transmission requirementsAC drive, throwing head motor with AC frequency conversion motor url:http://www.qingdaomachine.com

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QINGDAO KNNJOO MACHINE INC.

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