鑫虎***回转窑还原技术+热压成型钝化工艺主要特点TheFeaturesofReductionTechnology+HotPressingPassivationTechnologyforNaturalGasRotaryKiln海绵铁压力机，还原铁成套生产线，还原铁成套设备，海绵铁成套设备，海绵铁成套生产线，还原铁加工生产线，海绵铁加工成套设备，铁精粉压块机，铁精粉压块设备，铁精粉压块成型线用***或煤气做热源的回转窑还原技术，再配加二次燃烧室+成品筛分热压块以后，生产工艺与传统的回转窑艺有了很大的区别。Reductiontechnologyofrotarykilnusingnaturalgasorgasasheatsourceandaddingsecondarycombustionchamber+finishedproductsievinghotpressingblock,theproductionprocessisquitedifferentfromthetraditionalrotarykilnprocess.1）、回转窑长度变短，一般在40m-60m左右,使***减少；同时由于回转窑变短，回转窑热平衡极易建立，操作变得简单。由于物料在窑内时间变短，同时由于还原采用无颗粒，强度好，摩擦产生的粉末减少，使窑炉炉衬结圈几率降低，设备运行更可靠；1).Thelengthoftherotarykilnbecomesshorter,generallyabout40m-60m,sothattheinvestmentisreduced;atthesametime,astherotarykilnbecomesshorter,theheatbalanceoftherotarykilncanbeeasilyestablishedandtheoperationbecomeseasier.Asthematerialinthekilnbecomesshorter,atthesametime,anthraciteparticlesareusedforreduction.,theironpowderproducedbythefrictionisreduced,sothatthekilnfurnacelinerliningislesslikelytoberinged,andtheequipmentoperationismorereliable.2）、特殊的加热燃烧和喷煤方式及回转窑二次风机，使回转窑内温度均匀，还原区温度基本在1100℃～1150℃；Thespecialcoalinjectionmethodandsecondaryfanofrotarykilnmakethetemperatureoftheshortrotarykilnuniformandthekilntailtemperaturereaching1100~1150degrees;3）、由于尾气中富含煤气，设立二次燃烧室可以燃烧掉尾气中的CO等可燃成分，不仅可以使尾风温度提高到1150℃，而且利用尾风也可保证安全可靠；Becausetheexhaustgasisrichingas,settingupasecondarycombustionchambercanburnoffthecombustiblecomponentssuchasCOintheexhaustgas,whichcannotonlyraisethetemperatureoftheexhaustto1150C,butalsoensurethesafetyandreliabilityoftheexhaust.4）、回转窑排出的混合还原料，经***高温震动筛处理后，纯净高温还原球团直接进入热料压机热压钝化处理，热压块密度可达6.5-6.8t/m³；themixedreducingmaterialdischargedfromrotarykilnistreatedbyspecialhightemperatureshakingscreen.Thepurehightemperaturereducingpelletisdirectlypassivatedbyhotpressingmachine.Thedensityofhotpressingpelletcanreach6.5-6.8t/m.5）、对筛分出的废焦进行处理，大于2mm颗粒可以继续使用，减少了还原剂使用量，降低生产成本；Thesiftedwastecokecanbetreated,andparticleslargerthan2mmcanbeusedcontinuously,whichreducestheamountofreductantusedandreducestheproductioncost.6）、用***或煤气作为热源，CO+颗粒还原，尾气含尘量大大降低，经除尘器处理后完全可以达到规定的尾气排放标准。NaturalgasorgasisusedasheatsourceandCO+coalparticlesarereduced,thedustcontentoftailgasisgreatlyreduced,andthetailgascancompletelymeettheprescribedemissionstandardafterbeingtreatedbydustcollector.7）、二次燃烧室将尾气中可燃成分燃烧后排出的高温尾气首***入烧结回转窑对球团加热烧结，然后再进入链板式加热器对冷球团进行烘干，大限度利用热能，提高能源利用率，降低成本。Thehigh-temperatureexhaustgasfromthecombustiblecomponentsinthetailgasofthesecondarycombustionchamberfirstentersthesinteringrotarykilntoheatandsinterthepellets,andthenentersthechain-plateheatertodrythecoldpellets,soastomaximizetheuseofheatenergy,improvetheutilizationrateofenergyandreducecosts.)