单螺杆挤出机的规格型号与基本参数(1)挤出机的型号标注国内橡胶塑料机械标准。GB/T12783—91中规定,对挤出机的标牌上型号标注说明如下。从左向右顺序:第一格是塑料机械代号为S;第二格是挤出机代号为J;第三格是指挤出机不同的结构形式代号。三个格组合在一起就是塑料挤出机为SJ;塑料排气式挤出机为SJP;塑料发泡挤出机为SJF;塑料喂料挤出机为SJW;塑料鞋用挤出机为SJE;阶式塑料挤出机为SJJ;双螺杆挤出机为SJS;锥形双螺杆挤出机为SJSF;多螺杆挤出机为SJD。第四格表示辅机,代号为F;如果是挤出机组,则代号为E。第五格参数是指螺杆直径和螺杆的长径比。第六格是指产品的设计顺序,按字母A、B、C...顺序排列,第一次设计不标注设计号。例如SJ-45×25,此型号表示塑料挤出机,螺杆直径为45mm,螺杆的长径比为25:1。螺杆长径比为20:1时不标注。(2)挤出机的基本参数规定高密度聚乙烯制品挤出成型用挤出机的基本参数见表1。聚丙烯制品挤出成型用挤出机的基本参数见表2。聚氯乙烯制品挤出成型用挤出机的基本参数见表3。表1聚乙烯(HDPE)制品挤出成型用挤出机基本参数(JB/T8061—1996)螺杆直径D/mm长径比百L/D螺杆最髙转速nmax/(r/min)最高产量Qmax/(kg/h)电动机功率/Kw名义比功率/[kW/(kg/h)]比流量q/[(kg/h)/(r/min)]机筒加热段数(推荐)机筒加热功率/kW≤中心髙H/mmMI0.04~1.22020251153.01.50.490.02734100028301554.52.20.02955002520251056.130.058435028301258.240.065530202511511.25.50.098283014015.37.50.1094635202511015.60.480.14235.5283014523.0110.159474020251100.20936.5283012231.3150.256484520251000.3133283012038.518.50.3214105020259031.3150.348391000283010038.518.50.385411500552025880.4381028309446220.4891360202580460.5751228309762300.63915652025850.72914283010584400.800187020258577370.9061728309494451.0002180202587960.471.10320283090106501.17825902025801.325283090128601.422530100202560177551.950311100283075160752.13363810001202025642.5005406002830722151002.9866501502025452801326.222652830503401606800780表2聚丙烯(PP)制品挤出成型用挤出机基本参数(JB/T8061—1996)杆直径D/mm长径比L/D螺杆最髙转数nmax/(r/min)最高产量Qmax/(kg/h)电动机功率/kw名义比功率/[kW/(kg/h)]比流量q/[(kg/h)/(r/min)]机筒加热段数机筒加热功率/kW≤中心髙h/mm2020~251403.61.50.410.2633100028~301905.42.20.28345003020~2514013.45.50.410.0963535028~3017018.47.50.108464520~2513037.5150.40.2883828~301504618.50.307446520~2510075300.40.75414100028~30125100400.84185009020~2598128500.391.30642528~30108154601.4265302020~2574192750.392.595540110028~30852551003650100015020~25603381320.395.67366560028~30704101605.857780表3聚氣乙烯(PVC)制品挤出成型用挤出机基本参数(ZBG95009.1—88)螺杆直径D/mm长径比L/D螺杆转数nmin~nmax/(r/min)产量Qmax/(kg/h)电动机功率/kW名义比功率/[kW/(kg/h)]比流量q/[(kg/h)/(r/min)]机筒加热段数(推荐)机筒加热功率/kW≤中心髙h/mmHPVCSPVCHPVCSPVCHPVCSPVCHPVCSPVC202020~6020~1200.8~21~30.80.40.270.040.033310002534500350302017~5017~1022~53~82.20.440.280.110.093410002535500350452015~4515~906~159~225.50.370.250.40.33610002538500350652013~3912~7815~3722~55150.40.271.150.85312100025316500902011~1311~6632~6440~100240.380.252.91.8324100025430500120209~279~5465~13084~190550.420.297.24.7440110025545600150207~217~4290~180120~280750.420.2712.88.6560110025672600200205~155~30140~280180~4301000.360.24281861001100257125600(3)单螺杆挤出机的主要参数说明①螺杆直径,是指螺杆的螺纹部分的外圆直径,一般用D表TK,单位为mm。②螺杆的长径比,是指螺杆的螺纹部分长度与螺杆直径的比值。用L/D表示。③螺杆的转速范围,是指螺杆工作时的最低转速和最高转速值。用nmin~nmax表示,单位为r/min。④螺杆工作旋转驱动电动机功率,单位为kW。⑤机筒加热功率,是指机筒用电加热时电功率,单位为kW。⑥机筒加热段数,是指机筒加热分几段温度区控制。⑦挤出机产量,是指挤出机在单位时间内的生产能力,用Q袠示,单位为kg/h。⑧名义比功率,指挤出机每小时生产塑料制品质量(重量)所需电动机功率的综合指标,用P表示,即P=P/Qmax,单位为kW/(kg/h)。⑨比流量,是指螺杆每转动一圈所能生产的塑料制品质量。这个值体现出挤出机的生产效率,用q=q实测/n实测表示,单位为(kg/h)/(r/min)。⑩中心高,指挤出机的机筒内螺杆中心线距机座底平面的高度,用h表示,单位为mm。(4)国内部分单螺杆挤出机生产厂的产品型号及基本参数单螺杆挤出机生产厂国内有几十家。这里只介绍部分挤出机生产厂的产品型号及产品参数,见表4〜表6,供用户选择参考。表4大连冰山橡塑股份有限公司生产的单螺杆挤出机产品型号主要技术参数长径比螺杆转速/(r/min)生产能力/(kg/h)总功率/kWSJ-65X30L30:01:00LDPE:16~16014556.62SJ-90X3030:01:00LLDPE:12~12012588.112~120200SJ-90X30A30:01:00LDPE:15~150280104LLDPE:10.5~105200SJ-120X3030:01:00LDPE:13.5~135450179.2LLDPE:10~100330SJ-150X2525:01:006.5~65460195SJ-180X66:016~6050036.55SJ-120X1818:0110~3070~15071.4SJ-30X2525:01:0019~190LDPE:2512.7HDPE:17SJ-30X2828:01:0013~130LDPE:1514.5HDPE:13SJ-4520:0125~250LDPE:7528HDPE:60SJ-45X25L25:01:0011~110LDPE:4026LLDPE:30SJ-45H20:0115~150HDPE:4528SJ-45C20:0125~250LDPE:8028LLDPE:50SJ-45×25P25:01:0017~170PP:3032SJ-45×25R25:01:0016~160PP:3541SJ-45×25A25:01:007~702819SJ-65×25B25:01:0010~100LDPE:1OO41LLDPE:75HDPE:65SJ-65A(造粒)20:018~8010024SJ-65×2828:01:004~806032SJ-65×25A25:01:0010~908031SJ-65×3030:01:0016~160LDPE:14552LLDPE:125SJ-70×2828:01:0016~160LDPE:16552LLDPE:125SJ-50×2828:01:0020~200LDPE:8031LLDPE:65HDPE:55表5山东塑料橡胶机械总厂生产的单螺杆挤出机产品型号主要技术参数长径比螺杆转速/(r/min)生产能力/(kg/h)总功率/kWSJ-45B20:019022.513.3SJ-45D20:011304018SJ-45J20:0130、50、70154SJ-65×2525:01:00557033.6SJ-65J20:01503011.5SJ-65B20:011007029.5EX-6528:01:0014513352.95SJ-90E20:0111016560SJ-90C30:01:00120200105SJ-90B20:0111016021.65SJ-90B120:01729040SJ-90X2525:01:0015099SJ-90J20:01556029SJ-120/2525:01:00100300142.75SJ-120/3030:01:00100320135.3SJ-150B20:014240075SJ-150/2020:0165400102.75SJ-150/2525:01:0065463128.3SJ-150/25C25:01:0065463135.3SJ-150/3030:01:0065463203.85SJ-150/30B30:01:0065463203.85SJ-20020:0130400125SJ-200/25H25:01:0065600284.5SJ-200/3030:01:0055700319.4表6上海轻工机械股份有限公司挤出机械厂生产的单螺杆挤出机产品型号主要技术参数长径比螺旋转速/(r/min)生产能力/(kg/h)总功率/kWSJ-30X25C25:01:0013~2001.5~2210.9SJ-45B20:0110~902.5~3311.3SH45G20:0110~902.5~3311.3SJ-45X25F25:01:008~1104~3815.8SJ-65B20:0110~906.7~6034SJ-65×25H25:01:008/80、10/1008~8036.5SJ-65×3030:01:0015~5010~10062.3SJ-90×3030:01:006~10020~20093.2SJ-150×2525:01:007~4250~300141.6SJSZ-45(锥形)长1015mm4.8~4880~10538.12GE7-(锥形)长1015mm2~3250~15042.1SJSZ-65(锥形)长1440mm3.5~34.480~25058.5SJSZ-80(锥形)长1800mm3.8~38100~360103SJSZ-92(锥形)长2500mm3.5~35150~750197