工作原理 | Operating principle | |
| (LW)GS45系列卧式高速三相自吸泵螺旋自动卸料沉降离心机分离技术：在LWT系列增压卧式螺旋自动卸料沉降离心机分离技术理论基础之上，利用设备高速旋转时的动能所产生的空气负压及流体压力转化为固、液分离能量与自吸泵排液压力，减小进料阻力辅助锥端排料速度。主机旋转体陀螺效应设计保证了设备在高速运转条件下的稳定性以及液相物料在转鼓腔体内轴向快速流动稳定性，增加单位时间内的处理量；二次分离反锥角结构，使流体排出时压力稳定，转鼓旋转反方向切线排出，起到转鼓腔体内压力区稳定，同时排出的压力液体给转鼓体提供动力，起到节能降耗效果。 三相自吸泵流体增压分离技术实现了筒体直径小、大处理量、进料流畅、分离快、流体压力辅助迅速排渣、筒体内不积渣料、排出渣更干、设备部件磨损量小、流体压力 自吸泵排液压制泡沫、分离后清液含固率更低，有效解决现有卧式螺旋自动卸料沉降离心机的处理量小、分离不、排渣困难、筒体内容易堵料、设备部件磨损量大等技术缺陷。 | Separation technique of(LW)T series fluid pressurization horizontal solid-bowl scroll-discharge decanter centrifuge:Based on the theory of pre-acceleration separation technology,utilitize rotating kinetic energy convert air negative pressure and fluid pressure into separating energy,reduce feeding resistance and speed up cone point discharge rate. Gyroscopic-effect design on rotators ensure stability of equipment and stability of fluid matter's running quality within bowl cavity,to increase productivity in unit time.Twice separation structure makes a stable pressure of discharging fluid,ａnd fluid is discharged in reverse direction to tangential line,meanwhile pressurized fluid supplies rotating power to bowl,saves part of energy. Three-phase centripetal pump fluid pressurization separation technique has got following achievements:cylinder of smaller diameter,larger processing capacity,smooth feeding,faster separation,rapid residue discharge assisted by fluid pressure,no accumulation of residue within cylinder body,drier residue,smaller equipment abrasion,centripetal pump discharge lead to defoam and lower solid containing rate of clear liquid after separation.This technique could effectively solves following technical defects of existing types of centrifuge:small processing capacity,incomplete separation,hard discharge,material blockage within cylinder body and severe abrasion of assembly parts. | |
分离技术 | Separation technique | |
| 进料→物料加速→虹吸进料→流体压力→分离→流体稳压(碟片)→排渣→自吸泵排液。 | Feeding→Material acceleration→Siphon feeding→Fluid pressurization→Separation→Fluid stabilizer(through gaskets)→Sediment discharge→Liquid discharge of centripetal pump . | |
| Separation effect factors | |
| 分离因数、有效容腔长径比、空气负压、流体压力、流体稳态。 | centrifuging factor,length to diameter ratio of cavity,air negative pressure,fluid pressure and fluid homeostasis. | |
| Field control | |
| 转鼓转速、螺旋推料器差转速。 | Bowl rotating speed and rotative speed difference. | |
| Advantages | |
| 适用悬浮状、粘黏性物料，大处理量、液清、渣干、排渣顺畅，降速分离、延长设备使用寿命、节能降耗。 | Suitable for suspended and viscous materials;larger processing capacity,clearer liquid,drier sediment and smooth sediment discharge;deceleration separation extends the service life of equipment;energy-saving. | |
| Scope of application | |
| 无挥发性、无毒、非易燃易爆性物料；生产量大，对分离后固渣及清液要求高的场合；混合料液中物理性质多样性的特殊性物料。 | Non-volatile,non-toxic,inflammable and non-explosive materials;occasions with strict requirements to solids and liquids after separation;special materials with a variety of physical properties in mixture. |
| 序号 No. | 技术参数 Parameters | (LW)GS45系列卧式高速三相自吸泵螺旋卸料沉降离心机 (LW)GS45 Horizontal high-speed three-phase with centripetal pump Solid-bowl Scroll-discharge Decanter Centrifuge |
| 1 | 有效长径比 L/D ratio | 2.7～4.2 |
| 2 | 有效腔室容积 Effective volume(L) | 138～179 |
| 3 | 处理能力 Feed rate(m3/h) | 6～32 |
| 4 | 圆锥形转鼓半锥角 Half-cone angle of cone bowl(°) | 11°(15°) |
| 5 | 转鼓转速 Max rotating speed of bowl(r/m) | Max.4200(无级可调) |
| 6 | 分离因数 Max centrifuging factor(Fr) | Max.4440(无级可调) |
| 7 | 差转速 rotating speed difference(rpm) | 0.5～30(无级可调) |
| 8 | 润滑方式 Lubrication method | 脂润滑 |
| 9 | 固体回收率 Solid recovery rate(%) | ≥99 |
| 10 | 进料含固率(%)(体积比) Solid ratio of feed material(%)(volume) | 2~40 |
| 11 | 清液含固率 Solid containing rate of clear liquid(%) | ≤0.2 |
| 12 | 主电机功率 Main motor power(KW) | 37/45 |
| 13 | 辅电机功率 Secondary motor power(KW) | 11(发电机状态) |
| 14 | 整机参考重量 Reference weight(kg) | ≈4600 |
应用领域 | | |
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A 煤焦油：煤焦油行业中的油、水、渣分离； B 石化：石化行业的油、水、渣分离；
| A The cleaning and processing of tar : oil,water and solids separation of tar industry ; B Petrochemical industry: oil , water and solids separation of petrochemical industry ; C Industry of fish processing : fish oil , fish meal and water separation of fish processing ; D Oil extraction of slops recyclable industry :slops oil ,water and solids separation of slops recyclable industry ; E Electrolytic copper industry : oil , water , solids separation of electrolytic copper industry ; F By-products of slaughter industry : fat oil , sick water , solids separation of slaughter by-products industry ; G Palm oil industry : palm oil , water and solids separation of palm oil industry ; H Wheat starch industry : A starch , B starch and gluten , pentosans separation of wheat starch industry ; I Rolling oil of steel industry : oil , water and solids separation of rolling oil in steel industry ; J Wax waste water of precision casting : oil , water and solids separation of precision casting industry ; K Oil recovery from lagoons and Sedimentation Ponds of drilling : oil , water and solids of Lagoons and Sedimentation Ponds of drilling industry ; L Oil recovery from aging oil : aging oil , water and solids separation of aging oil recovery industry ; M Oil recovery from residuals during tank cleaning : oil , water and solids separation from residuals during tank cleaning ; N Light liquids phase , heavy liquids phase and solids phase separation in other applications fields . |
主要技术特点 | | |
| 1、工业化设计 整机设计遵循并综合了工业设计理念，突出了主体结构的稳定性、主机功能性及整机安全性，并有效吸收了设备运行时的动载荷剪切力。 | 1. Industrial design Whole machine set design follows concept of advanced industrial design,ensures stability,functionality ａnd safety of whole machine.Also effectively absorbs shear force of dynamic load during operation. | |
| 2、有效规避双转子高速转动共振区现象 在设计转速范围内，整机运转时无明显一阶、二阶共振区现象，轴承座部位全振动烈度控制在2mm／s～4 mm／s之间。避免了高频振动与拍振所造成的设备各零部件的额外疲劳损伤。 | 2. Effectively ease resonance during rotating of bi-rotor When centrifuge works,there is no obvious first-order and two-order resonance regions within designed speed range;meanwhile,whole vibration intensity of bearing seat is definited within 2mm/s～4mm/s.All of this eliminates extra fatigue damage to components and assembly units from high frequency vibration during operation and sudden vibration when shut down. | |
| 3、消除液环失速现象 消除了整机（特别LW530以上大机型）在重负荷开机或停机过程中液环失速现象，从而避免了因液环失速所造成的整机跳动或剧烈抖动对设备主轴承及螺旋轴承、回转体零部件额外的撞击疲劳损伤。 | 3. Thoroughly eliminate phenomenon of liquid ring stalling Phenomenon of liquid ring stalling happens during heavy duty boot or shutdown process of complete set machine,especially for LW530 and even larger models.It would makes bounce or wild shake,causes extra impact fatigue damage to main bearings,screw bearings and inner parts of rotary bowl.Fortunately,our engineers have solved this problem thoroughly. | |
| 4、零部件原坯料采用离心铸造与锻造工艺 整机主要零部件原坯料采取离心铸造工艺或整体开模锻造工艺方法制造，规避了传统焊接工艺方法所带来的晶间腐蚀及残余应力释放等质量不可控风险。 | 4. Unique technique adopt in main component work-blanks The manufacturing methods of main component work-blanks are adopt centrifugal casting technique and overall mould-making forging technique,thoroughly avoid risks such as inter-granular corrosion and relaxation of residual stress release in welding joint. | |
| 5、主机轴承选择 选用瑞典SKF、德国FAG等国际的原产地产品。 | 5. Main bearing selection We use origin bearings of international first-line brands such as SKF,FAG and so on. | |
| 6、恒温检验 整机各精加工零部件检验均在恒温条件中进行，确保实际加工质量达到设计精度要求。 | 6. Constant temperature detection All fashioning components and assembly units are detected in constant temperature condition,to make sure of actual processing quality meets the requirements of designed precision accuracy. | |
| 7、可互换性 同型号的主机旋转体及所有部件，在整机互换性结构设计与关键位置加工工艺及精度的保障下，均具有互换性，更加易于维护，同时也大大提高了设备的可靠性和安全性。 | 7. Inter-changeability Whole machine physical design ａnd processing technique adopted in critical position,ensure all assembly units and bowls of the same centrifuge model interchangeable.It is not only easy to maintain,but also greatly improve the reliability and safety of equipment. | |
| 8、轴承拆卸简易、安全 轴承与工件配合面在拆卸时被高压注入的一层油膜分离，从根本上消除它们之间的摩擦，将拆卸时所需的拉力减小90％，降低了拆卸轴承时高精度零部件的损坏风险。 | 8. Simplely and safely in bearing disassemblement One layer of oil film is injected into contact surfaces between bearing and work-piece by high-pressure,during disassemblement bearing from the machine,which would fundamentally eliminate friction within different parts.As a result,it would reduce 90% of pulling force and lower the risk of damage to high-precision parts when disassemble bearing. | |
| 9、主轴承润滑系统 对于具体的产品型号，有两种主轴承润滑系统。 A、稀油润滑 ① 油泵站控制稀油不间断循环润滑； ② 喷射式润滑方式，对轴承起到连续清洗、降温润滑作用； ③ 配备滤油系统，保证润滑油清洁度； ④ 配备供油压力蓄能系统，可保证在突发停电时润滑站继续供5～6分钟油压不低于0.4MPa的润滑油； ⑤ 配备油温恒温系统。 B、脂润滑 ① 采用耐极压、抗氧化、抗磨性、抗水冲刷性、耐腐蚀性、耐高温的润滑脂。 ② 可选配自动加脂润滑系统，在设定的时间自动对主轴承进行定量加脂。 | 9. Main bearing lubricattem There are two kinds of lubricattems for specific product models： A. thin oil lubrication a.Oil pump offers an uninterruptedly power to ensure oil works circularly; b.Jet oil lubrication constantly clean ａnd lubricate bearings and reduce temperature; c.Oil filter system ensure lubricant’s cleanliness; d.Oil pressure energy storage system ensure lubrication pump offers an extra oil supply（the pressure is no less than 0.4MPa）for 5 to 6 minutes,when power fails accidentally; e.Constant temperature system is available. B．grease lubrication a.Adopt a grease with properties of extreme pressure resistance,oxidation resistance,abrasion resistance,water scour resistance,corrosion-proof ａnd high temperature resistance. b.Optional automatic grease system fills grease on main bearing at designed hours and quantity. | |
| 10、主轴承BH保护装置 主轴承两端设计有保护轴承，正常情况下保护轴承不工作（保护轴承内圈与主轴之间预留一定轴向间隙）。当主轴承在一些不可预期的极限工况中出现突发损伤、主机旋转圆心偏移产生的跳动幅度达到保护轴承内圈与主轴预留的轴向间隙值时，保护轴承开始工作，同时主机自动控制系统检测到轴承位振动值发生突变，设备的紧急停机程序被触发，在保护轴承的作用下平稳停机，保障设备主体部件不受损坏，保证生产安全。 | 10. Main bearing BH device（patent design） There are two spare safe bearings at either end of main bearing.When machine works well,they keep certain clearance from bearing inside track to chief axis.When unexpected condition occurs,main bearing got damaged or circle center deviation causing an amplitude of vibration reaches to designed clearance,safe bearings begin to work as main bearing.Meanwhile,computer automatic control system would get a feedback of abnormal vibration value on bearing position immediately,then activates emergency shutdown and goes a smooth shutdown.This system protects machine free from damaging and ensure production safety. | |
| 11、GSRL高速入料装置 通过调整螺旋芯管内部设计，在不降低原有分离溶液离心加速度的前提下，缩短物料进入离心机时的跟速时间，减小旋流紊乱，增加分离时间。同时可增大离心机内部工作压力，抑制液体泡沫产生。 优点：延长物料在离心机内部的有效分离时间，提高分离效率，实现在分离所需转速降低10%~12%的同时处理量增加15%~25%；降低清液含固率；减小零部件因物料颗粒引起的磨粒磨损。 | 11. GSRL feeding device（potent design） New design of internal spiral core tube has got following achieves.Without reducing centrifugal acceleration,shorten triangle belt’s traction time,reduce disorder of swirling flow ａnd extend separation time.Meanwhile increases inner working pressure of centrifuge,ａnd restrains liquid foaming. Advantages：extend separation time of material;achieves operation capacity goes up to 15%~25% accompany with 10%~12% off from maximum rotating speed;reduce solid containing rate in clean liquid;reduce components and assembly units’abrasion. | |
| 12、采用带有渐变式螺旋导程的推料叶片 降低物料对特定螺旋推料叶片的磨损，同时增大出料端对固体渣的压榨力，进一步降低固体渣的含水率。 | 12. Spiral pusher blades with gradual change spiral lead The design would reduces blades’ wear,increase squeezing force on residue at discharge end,to reduce moisture content of residue. | |
| 13、HMI人机界面 操作系统采用HMI人机界面，可通过界面实现离心机的各种操作，并可实时监测离心机的工作状态。 | 13. HMI interface The operating system uses HMI interface,helps to finish all functions of machine and monitor operation state real-time. | |
| 14、智能操控系统 控制系统采用PLC可编程控制器，设有手动操作和一键全自动运行两种操作模式，具有螺旋推料器衡差速自动调节功能、螺旋推料器恒扭矩自动调节功能、离心机清洗一键自动完成功能和离心机一键待机等功能。 | 14. Intelligent operation & control system Control system uses PLC programmable controller,adopts manual mode and one-key automatic mode,to operate machine.This system could automatically adjusts ａnd keeps：constant differential speed between spiral pusher ａnd rotating bowl;constant torque during the spiral pusher’s running.It also has functions of one-key cleaning and one-key standby. | |
| 15、全面安全保护系统 拥有完善的监测系统和报警系统。工作过程中发生过载、短路和缺相情况时对离心机进行保护；对离心机的转速、轴承温度、整机振动等运行参数进行实时监控，并在参数异常时报警停机，保证人员和设备安全。 | 15. Perfect safety protecttem Our products have perfect monitor and alarm system.It could protects centrifuge on occasions of overloading,shirt circuit or even phase lack.It would monitor key operating data of centrifuge real- time,such as rotating speed,bearing temperature ａnd whole machine set vibration,etc.It would stop centrifuge and gives an alarm when the data is abnormal,ensure personnel safety and equipment normal operation. | |
| 16、向心自吸泵结构 可在线调节液池深度、通过离心机内部离心压力排出、隔绝流体与空气大面积接触避免泡沫产生。 | 16. centripetal pump structure Adjustable depth of pond on operating,clarification discharged by centrifugal pressure of decanter inside, liquids and air is isolated to not contract too much areas with each other for avoiding more foams. |
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