品牌绿洲型号BLL-900别名选矿机用途先砂金矿给料粒度0.3（mm）电动机型号0电动机功率0（kw）外形尺寸1010/1060/3300（mm）重量0.35（t）槽型顺流槽螺旋转速0水槽坡度0旋流器类型玻璃螺旋溜槽类型溜槽选矿设备石城县绿洲选矿设备生产ShichengoasisdressingequipmentproductionBLL型玻璃钢螺旋溜槽BLLGlassFibreReinforcedPlasticSpiralChuteBLL型玻璃钢螺旋溜槽用于选别细粒（包括细微粒度）的金属矿物，如铁矿、钛铁矿、铬铁矿、硫铁矿、钨钽矿、砂金矿、海滨的独居石、金红石、锆英石及有足够比重差的其它金属和非金属矿物选别。本产品由原地矿部***指定企业生产，执行行业标准。螺旋溜槽是根据有用矿物与脉石矿物在比重、粒度、形式上的差异，在螺旋的斜面产生矿浆动感的离心流膜，在重力和离心力的综合力场中，利用不同颗粒所受重力、水动压力和摩擦力，实现有用矿物与脉石分选的。螺旋槽中的水动除作向下的螺旋运动外，还作横向的循环流动。上层水流流速快，产生较大的惯性离心力，甩向槽的外缘。与槽底相邻的下层水流回转速度慢，离心力小，在重力作用下从外缘流向内缘，产生二次回流。矿浆中的重矿粒沉降快，沿收敛的螺旋线逐渐称向内缘，***后以精矿形式产生。轻矿物沉降慢，处于矿流表层，流速快，离心力大，在横向环流作用下，沿扩渐的螺旋线逐渐移向外缘，***后以尾矿形式产出。LaboratoryBLLGlassFibreReinforcedPlasticSpiralChuteisapplicableforseparationoffine-grained(includingmicro-grained)metallicmineralssuchasiron,ilmenite,chromite,tungsten-tinore,niobium-tantalumore,goldplacer,seashoremonazite,rutileandzirconaswellasothermetallicandnon-metallicmineralswithadequatedifferenceofspecificgr***ity.TheproductismadebytheonlymaufacturerdesignatedbytheformerMinistryofGeologyandMineralResources,incompliancewiththeIndustrialstanda***.SpiralChuteistomakeseparati***ofusefulmineralsfromganguesbyuseofthedifferentparticlessubjecttogr***ity,hydraulicpressureandfrictioninthemulti-forcefieldthroughdynamiccentrifugalflowingmembraneofslurryproducedontheinclinedsurfaceofspiralbasedonthedifferencesofusefulmineralandgangueinspecificgr***ity,particlesizeandshape.Waterinthespiralchuterunsdownwardspiralmovementandalsoflowsincirculationtransversely.Waterintheupperlayerrunfast,generatingcentrifugalforcewithlargeinertiatotosstowardtheouteredgeofthechute.Back-flowofwaterinthelowerlayeradjacenttothechutebootomrunsslowlywith***allcentrifugalforceandflowsfromtheouteredgetotheinneredgewiththeactionofgr***ity,generatingsecondaryback-flow.Particlesofhe***ymineralsinslurrysettlerapidlyandgraduallymovestowardtheinneredgealongtheconvergedhelixpriotofinallybeingproducedasconcentrate.Lightmineralssettleslowlyandflowfastinthesurfacelayeroforeflowwithlargecentrifugalforceandgraduallymovetowardtheouteredgealongtheexpandinghelixbeforefinallybeingproducedastailings.型号规格Model外径Diameter螺距Picth螺旋头数给矿粒度Feedsize给矿浓度Feeddensity处理量Capacity外形尺寸Overalldimensi***重量Weightmmmm个mm%t/hmmkgBLL6006004502/30.230-601．0-1．4700/700/3000120BLL900900450/40540.330-601．5-2．51010/1060/3300350BLL12001200540/72040.330-604-61360/1360/4330600BLL15001500540/72030.830-6081800/1800/6130800BLL20002000900/12003330-6010-302300/230065001000)