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发布时间:2023-12-27 09:17:34 人气:
⒈微电脑控制,触摸面板,数字显示。
⒉无刷直流电机,具有多种故障识别报警功能。
⒊内胆采用优质不锈钢材料,离心机转子采用角式全封闭结构。
⒌门上带电锁,操作安全;可适配多种角转子。
1、高转速:16000r/min转速精度:±100r/min
7、外形尺寸(L×W×H):400×350×340(mm)
离心机主要用于将悬浮液中的固体颗粒与液体分开;或将浊液中两种密度不同,又互不相溶的液体分开(例如从牛奶中分离出奶油);它也可用于排除湿固体中的液体,例如用甩干湿;特殊的超速管式分离机还可分离不同密度的气体混合物;利用不同密度或粒度的固体颗粒在液体中沉降速度不同的特点,有的沉降离心机还可对固体颗粒按密度或粒度进行分级。
离心机大量应用于化工、石油、食品、制药、选矿、煤炭、水处理和船舶等部门。
工业用离心机按结构和分离要求,可分为过滤离心机、沉降离心机和分离机三类。
离心分离机的作用原理有离心过滤和离心沉降两种。离心过滤是使悬浮液在离心力场下产生的离心压力,作用在过滤介质上,使液体通过过滤介质成为滤液,而固体颗粒被截留在过滤介质表面,从而实现液-固分离;离心沉降是利用悬浮液(或浊液)密度不同的各组分在离心力场中迅速沉降分层的原理,实现液-固(或液-液)分离。
还有一类实验分析用的分离机,可进行液体澄清和固体颗粒富集,或液-液分离,这类分离机有常压、真空、冷冻条件下操作的不同结构型式。
衡量离心分离机分离能的重要指标是分离因数。它表示被分离物料在转鼓内所受的离心力与其重力的比值,分离因数越大,通常分离也越迅速,分离效果越好。工业用离心分离机的分离因数一般为100~20000,超速管式分离机的分离因数可高达62000,分析用超速分离机的分离因数高达610000。决定离心分离机处理能力的另一因素是转鼓的工作面积,工作面积大处理能力也大。
过滤离心机和沉降离心机,主要依靠加大转鼓直径来扩大转鼓圆周上的工作面;分离机除转鼓圆周壁外,还有附加工作面,如碟式分离机的碟片和室式分离机的内筒,显著增大了沉降工作面。
此外,悬浮液中固体颗粒越细则分离越困难,滤液或分离液中带走的细颗粒会增加,在这种情况下,离心分离机需要有较高的分离因数才能有效地分离;悬浮液中液体粘度大时,分离速度减慢;悬浮液或浊液各组分的密度差大,对离心沉降有利,而悬浮液离心过滤则不要求各组分有密度差。
选择离心分离机须根据悬浮液(或浊液)中固体颗粒的大小和浓度、固体与液体(或两种液体)的密度差、液体粘度、滤渣(或沉渣)的特,以及分离的要求等进行综合分析,满足对滤渣(沉渣)含湿量和滤液(分离液)澄清度的要求,初步选择采用哪一类离心分离机。然后按处理量和对操作的自动化要求,确定离心机的类型和规格,后经实际试验验证。
通常,对于含有粒度大于0.01毫米颗粒的悬浮液,可选用过滤离心机;对于悬浮液中颗粒细小或可压缩变形的,则宜选用沉降离心机;对于悬浮液含固体量低、颗粒微小和对液体澄清度要求高时,应选用分离机。
离心分离机未来的发展趋势将是强化分离能、发展大型的离心分离机、改进卸渣机构、增加专用和组合转鼓离心机、加强分离理论研究和研究离心分离过程佳化控制技术等。
The centrifuge is mainly used for solid particles and will susnsion liquid separated, In the emulsion or two different from each other, the liquid phase dissolved apart from milk(such as isolated cream), It can also be used to eliminate the liquid, such as wet solid with wet clothes washing machine, Scial seding tubular centrifuges are separable different density of the gas mixture, Use different density and particle size of solid particles in the liquid settling velocity different characteristi, but also on the settlement of centrifuge solid particles by density or selecting.and.A centrifuge used in chemical, roleum, food, pharmaceutical, dressing, coal, water treatment and shipping department.According to the structure and industrial used centrifuge separation requirements, can be divided into filtering centrifuges, centrifuge and centrifuges.A centrifuge around the axis high-sed rotating cylinder itself, called the drum, usually by motor drive. Susnsion(or emulsion) join drum after being driven and drum with sed rotating centrifugal force, and in the separation, and coonents. Usually, drum rotational sed, the higher the better the separation effect.The principle of centrifuge is centrifugal filter and centrifugal sedimentation two kinds. Centrifugal filter is made and produced by centrifugal susnding liquid centrifugal filter medium pressure acting on the liquid through a filter medium, and solid particles as filtrate being trapd in the filter medium surface, so as to realize the liquid-solid separation, Centrifugal sedimentation is using the susnsion emulsion(or) of different density coonents in centrifugal field in the principle, realize the settlement of layered liquid-solid(or liquid-liquid).And those with the exrimental analysis on liquid separator, clarification and solids concentration, or separation of liquid centrifuge, this kind of atmospheric and vacuum freeze-drying, is under the condition of different ty of oration.Measure centrifuge is an iortant index of separation separation factor. It said were separated at drum materials within the centrifugal force of gravity, and the ratio of the separation factor and the rapid separation also usually, separation, the better the results. Industrial centrifuge, the separation factor generally for 100~ 20,000 tubular centrifuges, seding up the separation factor analysis, with sed centrifuge 62,000 610000 topd the separation factor. The decision centrifuge, another factor is the work of a drum, large area processing capacity.Filtering centrifuges and sedimentation centrifuge, rely mainly on increasing drum drum diameter to expand the circle on the face, Except a drum machine, and additional circle wall face, such as the disk of the disc separator and room ty of machine, a significant increase in the mining subsidence.In addition, the susnsion of solid particles in the rules, the more difficult the filtrate or separation of the separation of fine particles increases, in this case, centrifuge needs to have higher separation factor can effectively separated, In the susnsion liquid viscosity, separation slowed, Susnsion emulsion or coonents of the density difference, centrifugal sedimentation centrifuge, and susnsion is not required coonents have density difference.Choose centrifuge should according to susnsion(or emulsion) of solid particles size and concentration, solid and liquid(or two liquids), liquid viscosity, density phosphate-contained residue(or sediment), and the characteristi of separation requirements analysis, etc. To meet cake(sediment) moisture content and filtrate(liquid) clarify degrees of separation, preliminary selection using which kind of centrifuge. Then according to the oration capacity and automation, determine the ty and scifications, centrifuge last practical test.Usually, containing more than 0.01mm particles size of susnsion, can choose filtering centrifuges, For susnding liquid in tiny particles or coression, aopriate chooses settlement centrifuge, For susnding liquid containing solid particles is low, the tiny and liquid require high degree of clarification, should choose separator.Centrifuge, the development trend of the future will be strengthened, the development of large-scale separation, iroving slag discharge centrifuge, scial and combination institution, strengthening separation drum centrifuge and theoretical research studies centrifugal separation process optimization control technology, etc.Strengthening separation prorties including drum rotational sed, In the process of centrifugal separation to add new imus, Accelerating push slag sed, Increasing length of drum to extend the time of centrifugal separation etc. Development of large centrifuge, mainly is the drum drum diameter and by iroving processing capacity of unit volume of material that processing equipment investment, energy consution and reduce maintenance costs. The asct of theory, the main research within the drum flow condition and cake formation mechanism, research and processing capacity of minimum separation of calculation methods.
⒈微电脑控制,触摸面板,数字显示。
⒉无刷直流电机,具有多种故障识别报警功能。
⒊内胆采用优质不锈钢材料,离心机转子采用角式全封闭结构。
⒌门上带电锁,操作安全;可适配多种角转子。
1、高转速:16000r/min转速精度:±100r/min
7、外形尺寸(L×W×H):400×350×340(mm)
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