當前位置：安徽普源分離機械制造有限公司>>臥式螺旋卸料沉降系列離心機(Horizontal Centrifuge)>> LW系列臥式螺旋卸料沉降離心機(LW Horizontal Solid-bowl Scroll-discharge Decanter Centrifuges)
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工作原理 | Operating principle | |
| 分離的目的是將混合料液中不同質(zhì)量比的物質(zhì)分離出來：分離形式有固液分離、固固分離、液液分離、固液液分離。 當混合料液由進料口進入高速旋轉(zhuǎn)的轉(zhuǎn)鼓體內(nèi)腔后，混合液體中比重較大的固性物，在離心力加速度的作用下，重相物質(zhì)迅速沉降到轉(zhuǎn)鼓內(nèi)壁，被螺旋推料器從固相出口排出轉(zhuǎn)鼓體外；同時比重較小的輕相物質(zhì)則在離心力的作用下形成內(nèi)層料液環(huán)，通過液相溢流口排出轉(zhuǎn)鼓體外。轉(zhuǎn)鼓與螺旋推料器同時高速運轉(zhuǎn)，由于兩者之間存在一定的轉(zhuǎn)速差，使得沉降在轉(zhuǎn)鼓壁上的固性物不間斷地被螺旋推料器推送至出渣口排出，整個分離過程連續(xù)進行。 | The purpose of separation is to separate out substances with different mass ratios from mixed fluid. Separation forms include solid-liquid separation,solid-solid separation,liquid-liquid separation and solid-liquid-liquid separation. When mixed fluid enters rotating bowl of centrifuge through feed tube,solids with larger density would rapidly deposit on inner wall of the bowl,forced by centrifugal acceleration.Then spiral pusher pushes deposited solids to taper end of the bowl,ａnd discharges them out of centrifuge from residue outlet. Meanwhile,liquid phase with smaller density forms a liquid ring layer and discharges from bowl through overflow port. The bowl and spiral pusher run at a high speed simultaneously,for there exists speed discrepancy,deposited solids on the wall of bowl could be conveyed to residue outlet by spiral pusher.This separation process carry out continuously. | |
分離技術 | Separation technique | |
| 進料→ 重力分離→ 排液→ 排渣。 | Feeding→ Gravitational separation→ Liquid discharge→ Sediment discharge. | |
| Separation effect factors | |
| 分離因數(shù)、有效容腔長徑比、液池深度。 | centrifuging factor,length to diameter ratio of cavity,depth of fluid pool. | |
| Field control | |
| 轉(zhuǎn)鼓轉(zhuǎn)速、螺旋推料器差轉(zhuǎn)速、有效流體分離液池深度根據(jù)排液口液流板調(diào)節(jié)。 | Bowl rotating speed,rotative speed difference;between;spiral pusher and bowl,depth of liquid pool. | |
| Scope of application | |
| 無揮發(fā)性、無毒、非易燃易爆性物料。 | Non-volatile,non-toxic,inflammable and non-explosive materials. |
| 序號 No. | 技術參數(shù) Parameters | LW臥式螺旋卸料沉降系列離心機 LW Horizontal Solid-bowl Scroll-discharge Decanter Centrifuge | |||||
| Lw25系列 LW250 Series | LW36系列 LW360 Series | LW45系列 LW450 Series | LW53系列 LW530 Series | LW64系列 LW640 Series | LW89系列 LW890 Series | ||
| 1 | 有效長徑比 L/D ratio | 3～4.0 | 3～4.0 | 3～4.0 | 3～4.0 | 3～4.0 | 2.8 |
| 2 | 有效腔室容積(L) Effective volume(L) | 18～24 | 60～82 | 131～175 | 206～275 | 352～468 | 1020 |
| 3 | 處理能力(m3/h) Feed rate(m3/h) | 1～1.5 | 3.6～5 | 8～10 | 12～18 | 21～28 | 61～120 |
| 4 | 圓錐形轉(zhuǎn)鼓半錐角 Half-cone angle of cone bowl(°) | 15°(20°) | 15°(20°) | 15°(20°) | 15°(20°) | 15°(20°) | 15°(20°) |
| 5 | 轉(zhuǎn)鼓轉(zhuǎn)速(rpm) Max rotating speed of bowl(r/m) (Stepless adjustable) | Max.6000(無級可調(diào)) | Max.4600(無級可調(diào)) | Max.4200(無級可調(diào)) | Max.3500(無級可調(diào)) | Max.3200(無級可調(diào)) | Max.2400(無級可調(diào)) |
| 6 | 分離因數(shù) Max centrifuging factor(Fr) (Stepless adjustable) | Max.5040(無級可調(diào)) | Max.4265(無級可調(diào)) | Max.4440無級可調(diào)) | Max.3632(無級可調(diào)) | Max.3670(無級可調(diào)) | Max.3190(無級可調(diào)) |
| 7 | 差轉(zhuǎn)速(rpm) rotating speed difference(rpm) (Stepless adjustable) | 0.5～30(無級可調(diào)) | 0.5～30(無級可調(diào)) | 0.5～30(無級可調(diào)) | 0.5～30(無級可調(diào)) | 0.5～30(無級可調(diào)) | 0.5～30(無級可調(diào)) |
| 8 | 潤滑方式 Lubrication method | 脂潤滑 Grease | 脂潤滑 Grease | 脂潤滑 Grease | 稀油噴射潤滑 Jet oil | 稀油噴射潤滑 Jet oil | 稀油噴射潤滑 Jet oil |
| 9 | 固體回收率(%) Solid recovery rate(%) | ≥99 | ≥99 | ≥99 | ≥99 | ≥99 | ≥99 |
| 10 | 進料含固率(%)(體積比) Solid ratio of feed material(%)(volume) | 2~40 | 2~40 | 2~40 | 2~40 | 2~40 | 2~40 |
| 11 | 清液含固率(%) Solid containing rate of clear liquid(%) | ≤0.2 | ≤0.2 | ≤0.2 | ≤0.2 | ≤0.2 | ≤0.2 |
| 12 | 主電機功率(kW) Main motor power(KW) | 11 | 22 | 37/45 | 55 | 75/90/110 | 160/200 |
| 13 | 輔電機功率(kW) Secondary motor power(KW) (Generator state) | 5.5(發(fā)電機狀態(tài)) | 7.5(發(fā)電機狀態(tài)) | 11(發(fā)電機狀態(tài)) | 11(發(fā)電機狀態(tài)) | 15/18.5(發(fā)電機狀態(tài)) | 37(發(fā)電機狀態(tài)) |
| 14 | 整機參考重量(kg) Reference weight(kg) | ≈1850 | ≈2450 | ≈4600 | ≈5280 | ≈11000 | ≈20000 |
應用領域 | | |
| 1、食品領域 A 動物蛋白：魚、肉副產(chǎn)品加工、水產(chǎn)品加工、可食用蛋白質(zhì)回收； B 植物蛋白：從大豆、含油種子和豆科植物中提??； C 發(fā)酵液：釀造浸出液、麥芽汁和酵母的回收； D 釀酒：酒糟醪液的處理與回收； E 咖啡和茶葉：速溶咖啡和茶葉的提取； F 食用油：棕擱油、橄欖油和種子油的澄清； G 果汁：從水果、漿果和蔬菜中提取果汁； H 果膠：已提煉果膠的回收； I 葡萄酒：葡萄汁和葡萄酒的澄清。 | 1. Food A Flesh processing,aquatic products processing ａnd edible protein recovery; B Extract plant protein from soybean,oily seeds and leguminous plants; C Recovery of brewing leach liquor,malt and yeast; D Treatment and recovery of wine lees liquid; E Extract of instant coffee and tea; F Clarification of palm oil,olive oil and seed oil; G Extract juice from fruits,berries and vegetables; H Recovery of refined pectin; I Clarification of grape juice and grape wine. | |
| 2、環(huán)保領域 | 2. Environmental protection Drilling mud,industrial effluent,waste water of municipal works,fertilizer,organic waste water,paint sludge,plastic particles,gravel washing water,waste water in steel-making,flue gas desulfurization,sewage sludge treatment of waterworks. | |
| 3、石油化工領域 A 礦石加工工業(yè)：高嶺土和碳酸鈣加工、膨潤土和生產(chǎn)； B 石油/天然氣勘探和石油化工工業(yè)：石油和天然氣的勘探、原油的提煉和相關行業(yè)、潤滑油添加劑和廢油回收； C 有機化學工業(yè)：有機化學的中間產(chǎn)品和最終產(chǎn)品； D 聚合物工業(yè)：包括PVC、聚丙烯、聚苯乙烯、合成橡膠和纖維在內(nèi)的熱塑性材料； E 無機化學工業(yè)：漂白劑、酸、硅石產(chǎn)品和肥料； F 酒精生產(chǎn)：酒精酒糟水和糖蜜發(fā)酵殘渣的處理； G 淀粉加工：從小麥、玉米、木薯和馬鈴薯中提取淀粉； H 廢液回收：來自上述領域的廢液回收和再生。 | 3. Petroleum and chemical industry A Processing of kaolin and calcium carbonate,production of bentonite and titanium dioxide; B Exploration of petroleum oil,natural gas,crude oil refining and related industries,additive of lube oil and waste oil recovery; C Intermediate products and final products of organic chemistry industry; D Thermoplastic materials,includes PVC,polypropylene,polystyrene,synthetic rubber and fiber; E Inorganic chemical industry,includes bleach,acid,silica products and fertilizers; F Treatment of spent wash and molasses fermentation residues; G Extraction of starch from wheat,corn,cassava and potato; H Waste liquid recovery and recycling from above industries. | |
| 4、其他領域： 制藥中間體、各種鹽類、糞肥…… | 4. Other fields Pharmaceutical intermediates,salts ａnd manures,etc. |
主要技術特點 | | |
| 1、工業(yè)化設計 整機設計遵循并綜合了工業(yè)設計理念，突出了主體結(jié)構(gòu)的穩(wěn)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(guī)避雙轉(zhuǎn)子高速轉(zhuǎn)動共振區(qū)現(xiàn)象 在設計轉(zhuǎn)速范圍內(nèi)，整機運轉(zhuǎn)時無明顯一階、二階共振區(qū)現(xiàn)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(huán)失速現(xiàn)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(huán)失速現(xiàn)象，從而避免了因液環(huán)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(zhuǎn)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(guī)避了傳統(tǒng)焊接工藝方法所帶來的晶間腐蝕及殘余應力釋放等質(zhì)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(chǎn)地產(chǎn)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(zhì)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(zhuǎn)體及所有部件，在整機互換性結(jié)構(gòu)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(tǒng) A、稀油潤滑 ① 油泵站控制稀油不間斷循環(huán)潤滑； ② 噴射式潤滑方式，對軸承起到連續(xù)清洗、降溫潤滑作用； ③ 配備濾油系統(tǒng)，保證潤滑油清潔度； ④ 配備供油壓力蓄能系統(tǒng)，可保證在突發(fā)停電時潤滑站繼續(xù)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(tǒng)。 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(tǒng)，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(nèi)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(xiàn)突發(fā)損傷、主機旋轉(zhuǎn)圓心偏移產(chǎn)生的跳動幅度達到保護軸承內(nèi)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(tǒng)檢測到軸承位振動值發(fā)生突變，設備的緊急停機程序被觸發(fā)，在保護軸承的作用下平穩(wěn)停機，保障設備主體部件不受損壞，保證生產(chǎn)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(diào)整螺旋芯管內(nèi)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(nèi)部工作壓力，抑制液體泡沫產(chǎn)生。 優(yōu)點：延長物料在離心機內(nèi)部的有效分離時間，提高分離效率，實現(xiàn)在分離所需轉(zhuǎn)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(tǒng)采用HMI人機界面，可通過界面實現(xiàn)離心機的各種操作，并可實時監(jiān)測離心機的工作狀態(tài)。 | 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(tǒng) 控制系統(tǒng)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(diào)節(jié)功能、螺旋推料器恒扭矩自動調(diào)節(jié)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(tǒng) 擁有完善的監(jiān)測系統(tǒng)和報警系統(tǒng)。工作過程中發(fā)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(zhuǎn)速、軸承溫度、整機振動等運行參數(shù)進行實時監(jiān)控，并在參數(shù)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. |
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