工作原理 | Operating principle | |
| (LW)GS45系列臥式高速三相自吸泵螺旋自動卸料沉降離心機分離技術：在LWT系列增壓臥式螺旋自動卸料沉降離心機分離技術理論基礎之上，利用設備高速旋轉時的動能所產生的空氣負壓及流體壓力轉化為固、液分離能量與自吸泵排液壓力，減小進料阻力輔助錐端排料速度。主機旋轉體陀螺效應設計保證了設備在高速運轉條件下的穩定性以及液相物料在轉鼓腔體內軸向快速流動穩定性，增加單位時間內的處理量；二次分離反錐角結構，使流體排出時壓力穩定，轉鼓旋轉反方向切線排出，起到轉鼓腔體內壓力區穩定，同時排出的壓力液體給轉鼓體提供動力，起到節能降耗效果。 三相自吸泵流體增壓分離技術實現了筒體直徑小、大處理量、進料流暢、分離快、流體壓力輔助迅速排渣、筒體內不積渣料、排出渣更干、設備部件磨損量小、流體壓力 自吸泵排液壓制泡沫、分離后清液含固率更低，有效解決現有臥式螺旋自動卸料沉降離心機的處理量小、分離不、排渣困難、筒體內容易堵料、設備部件磨損量大等技術缺陷。 | 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. | |
分離技術 | Separation technique | |
| 進料→物料加速→虹吸進料→流體壓力→分離→流體穩壓(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 | |
| 分離因數、有效容腔長徑比、空氣負壓、流體壓力、流體穩態。 | centrifuging factor,length to diameter ratio of cavity,air negative pressure,fluid pressure and fluid homeostasis. | |
| Field control | |
| 轉鼓轉速、螺旋推料器差轉速。 | Bowl rotating speed and rotative speed difference. | |
| Advantages | |
| 適用懸浮狀、粘黏性物料，大處理量、液清、渣干、排渣順暢，降速分離、延長設備使用壽命、節能降耗。 | 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 | |
| 無揮發性、無毒、非易燃易爆性物料；生產量大，對分離后固渣及清液要求高的場合；混合料液中物理性質多樣性的特殊性物料。 | 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. |
| 序號 No. | 技術參數 Parameters | (LW)GS45系列臥式高速三相自吸泵螺旋卸料沉降離心機 (LW)GS45 Horizontal high-speed three-phase with centripetal pump Solid-bowl Scroll-discharge Decanter Centrifuge |
| 1 | 有效長徑比 L/D ratio | 2.7～4.2 |
| 2 | 有效腔室容積 Effective volume(L) | 138～179 |
| 3 | 處理能力 Feed rate(m3/h) | 6～32 |
| 4 | 圓錐形轉鼓半錐角 Half-cone angle of cone bowl(°) | 11°(15°) |
| 5 | 轉鼓轉速 Max rotating speed of bowl(r/m) | Max.4200(無級可調) |
| 6 | 分離因數 Max centrifuging factor(Fr) | Max.4440(無級可調) |
| 7 | 差轉速 rotating speed difference(rpm) | 0.5～30(無級可調) |
| 8 | 潤滑方式 Lubrication method | 脂潤滑 |
| 9 | 固體回收率 Solid recovery rate(%) | ≥99 |
| 10 | 進料含固率(%)(體積比) Solid ratio of feed material(%)(volume) | 2~40 |
| 11 | 清液含固率 Solid containing rate of clear liquid(%) | ≤0.2 |
| 12 | 主電機功率 Main motor power(KW) | 37/45 |
| 13 | 輔電機功率 Secondary motor power(KW) | 11(發電機狀態) |
| 14 | 整機參考重量 Reference weight(kg) | ≈4600 |
應用領域 | | |
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A 煤焦油：煤焦油行業中的油、水、渣分離； B 石化：石化行業的油、水、渣分離；
| 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 . |
主要技術特點 | | |
| 1、工業化設計 整機設計遵循并綜合了工業設計理念，突出了主體結構的穩定性、主機功能性及整機安全性，并有效吸收了設備運行時的動載荷剪切力。 | 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、有效規避雙轉子高速轉動共振區現象 在設計轉速范圍內，整機運轉時無明顯一階、二階共振區現象，軸承座部位全振動烈度控制在2mm／s～4 mm／s之間。避免了高頻振動與拍振所造成的設備各零部件的額外疲勞損傷。 | 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、消除液環失速現象 消除了整機（特別LW530以上大機型）在重負荷開機或停機過程中液環失速現象，從而避免了因液環失速所造成的整機跳動或劇烈抖動對設備主軸承及螺旋軸承、回轉體零部件額外的撞擊疲勞損傷。 | 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、零部件原坯料采用離心鑄造與鍛造工藝 整機主要零部件原坯料采取離心鑄造工藝或整體開模鍛造工藝方法制造，規避了傳統焊接工藝方法所帶來的晶間腐蝕及殘余應力釋放等質量不可控風險。 | 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、主機軸承選擇 選用瑞典SKF、德國FAG等國際的原產地產品。 | 5. Main bearing selection We use origin bearings of international first-line brands such as SKF,FAG and so on. | |
| 6、恒溫檢驗 整機各精加工零部件檢驗均在恒溫條件中進行，確保實際加工質量達到設計精度要求。 | 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、可互換性 同型號的主機旋轉體及所有部件，在整機互換性結構設計與關鍵位置加工工藝及精度的保障下，均具有互換性，更加易于維護，同時也大大提高了設備的可靠性和安全性。 | 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、軸承拆卸簡易、安全 軸承與工件配合面在拆卸時被高壓注入的一層油膜分離，從根本上消除它們之間的摩擦，將拆卸時所需的拉力減小90％，降低了拆卸軸承時高精度零部件的損壞風險。 | 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、主軸承潤滑系統 對于具體的產品型號，有兩種主軸承潤滑系統。 A、稀油潤滑 ① 油泵站控制稀油不間斷循環潤滑； ② 噴射式潤滑方式，對軸承起到連續清洗、降溫潤滑作用； ③ 配備濾油系統，保證潤滑油清潔度； ④ 配備供油壓力蓄能系統，可保證在突發停電時潤滑站繼續供5～6分鐘油壓不低于0.4MPa的潤滑油； ⑤ 配備油溫恒溫系統。 B、脂潤滑 ① 采用耐極壓、抗氧化、抗磨性、抗水沖刷性、耐腐蝕性、耐高溫的潤滑脂。 ② 可選配自動加脂潤滑系統，在設定的時間自動對主軸承進行定量加脂。 | 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、主軸承BH保護裝置 主軸承兩端設計有保護軸承，正常情況下保護軸承不工作（保護軸承內圈與主軸之間預留一定軸向間隙）。當主軸承在一些不可預期的極限工況中出現突發損傷、主機旋轉圓心偏移產生的跳動幅度達到保護軸承內圈與主軸預留的軸向間隙值時，保護軸承開始工作，同時主機自動控制系統檢測到軸承位振動值發生突變，設備的緊急停機程序被觸發，在保護軸承的作用下平穩停機，保障設備主體部件不受損壞，保證生產安全。 | 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高速入料裝置 通過調整螺旋芯管內部設計，在不降低原有分離溶液離心加速度的前提下，縮短物料進入離心機時的跟速時間，減小旋流紊亂，增加分離時間。同時可增大離心機內部工作壓力，抑制液體泡沫產生。 優點：延長物料在離心機內部的有效分離時間，提高分離效率，實現在分離所需轉速降低10%~12%的同時處理量增加15%~25%；降低清液含固率；減小零部件因物料顆粒引起的磨粒磨損。 | 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、采用帶有漸變式螺旋導程的推料葉片 降低物料對特定螺旋推料葉片的磨損，同時增大出料端對固體渣的壓榨力，進一步降低固體渣的含水率。 | 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人機界面 操作系統采用HMI人機界面，可通過界面實現離心機的各種操作，并可實時監測離心機的工作狀態。 | 13. HMI interface The operating system uses HMI interface,helps to finish all functions of machine and monitor operation state real-time. | |
| 14、智能操控系統 控制系統采用PLC可編程控制器，設有手動操作和一鍵全自動運行兩種操作模式，具有螺旋推料器衡差速自動調節功能、螺旋推料器恒扭矩自動調節功能、離心機清洗一鍵自動完成功能和離心機一鍵待機等功能。 | 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、全面安全保護系統 擁有完善的監測系統和報警系統。工作過程中發生過載、短路和缺相情況時對離心機進行保護；對離心機的轉速、軸承溫度、整機振動等運行參數進行實時監控，并在參數異常時報警停機，保證人員和設備安全。 | 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、向心自吸泵結構 可在線調節液池深度、通過離心機內部離心壓力排出、隔絕流體與空氣大面積接觸避免泡沫產生。 | 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. |
