精炼剂 Refine agent

特点:本制剂主要由镁、钠、钾、钙等氯盐和氟盐组成,由于配方独特,液态密度,黏度合适,具有极好的精练效果,兼有覆盖保护作用...

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特点:本制剂主要由镁、钠、钾、钙等氯盐和氟盐组成,由于配方独特,液态密度,黏度合适,具有极好的精练效果,兼有覆盖保护作用。比重为1.8-2.0与合金液有较大的比重差,化学稳定性好,不与合金、炉衬和炉气发生化学反应,不产生熔剂杂质。有害气体量少,符合工业卫生标准及废气排放要求。

用途:适用于镁、镁合金及铝镁合金。

  使用方法:用量2-3%。当镁合金采用电阻坩锅炉熔炼升温至740℃时,不断撒入精炼剂于液面,同时用精炼勺上下搅动,使镁液循环流动,以延长熔剂液滴的流程,增加熔剂与氧化夹杂接触吸附机会,通常保持10分钟左右液面呈光亮镜面为止

Features:Thispreparationismainlycomposedofmagnesium,sodium,potassium,calciumchloridesaltsandfluoridesalts.Becauseofitsuniqueformula,liquiddensityandproperviscosity,ithasexcellentrefiningeffectandprotectivecoveringeffect.Thespecificgravityof1.8-2.0isworsethanthatofalloyliquid.Ithasgoodchemicalstability.Itdoesnotreactwithalloy,liningandfurnacegas,anddoesnotproducefluximpurities.Theamountofharmfulgasesissmall,whichmeetstherequirementsofindustrialhygienestandardsandexhaustgasemission.Usage:Suitableformagnesium,magnesiumalloyandAl-Mgalloy.Usage:2-3%dosage.Whenmagnesiumalloysaremeltedinresistancecrucibleboilersandheatedto740C,therefiningagentiscontinuouslysprayedontheliquidsurface.Atthesametime,therefiningspoonisstirredupanddowntomakethemagnesiumliquidcirculate,soastoprolongtheflowoffluxdropletsandincreasethechanceofcontactandadsorptionbetweenfluxandoxideinclusions.Usually,theliquidsurfaceremainsbrightmirrorforabout10minutes.


来源于镁合金熔剂厂家http://www.jingkangshiye.cn

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