一.KULICKE & SOFFA  01483-4203-000-08引言
在石化行业的炼油装置中，过去很少有采用变风量、变流量控制方式的，多是由鼠笼式异步电机拖动，进行恒速运转。当需要调节风量、流量时，实际采用的办法是调节挡板或节流阀，这种控制虽然简单，但从节省能源的观点来看，是很不经济的。采用变频器对风机、水泵类负荷进行转速控制，对节约能源、提高经济效益具有重要意义。
上海石油化工股份有限公司2007年在金山石化新建的120万吨/年延迟焦化装置中对部分380V电压等级的泵类、风机首次引入Danfoss变频调速控制，以适应操作条件、工况变化。投产后，变频器运行稳定，既得到了良好的工艺控制手段又节约了电力，取得了很好的效益。
二．项目简介
延迟焦化技术是一种渣油轻质化最主要的加工方法之一，具有投资少，操作费用低，转化深度高等优点。所谓延迟焦化是指石油的二次加工技术，以贫氢的重质油为原料，在高温(约500℃)进行深度的热裂化和缩合反应，从而得到气体、柴油、汽油、蜡油和焦炭的技术。延迟是指将焦化油(原料油或循环油)经过加热炉加热迅速升温至焦化反应温度，在反应炉管内不生焦，KULICKE & SOFFA  01483-4203-000-08而进入焦炭塔再进行焦化反应。本次新建的120万吨/年延迟焦化装置分三个部分：主要设备是加热炉和焦炭塔。
采用一炉两塔的工艺路线。（1）分馏部分，主要设备是分馏塔。（2）焦化气体回收和脱硫，主要设备是吸收解吸塔，稳定塔，再吸收塔等。（3）水力除焦部分。（4）焦炭的脱水和储运。（5）吹气放空系统。（6）蒸汽发生部分。（7）焦炭焙烧部分。选定炉出口温度为495～500℃，焦炭塔顶压力为0.15～0.2 Mpa。
三．KULICKE & SOFFA  01483-4203-000-08装置工艺要求及变频节能空间
原质重油由柴油泵从柴油集油箱（219 oC）抽出后分二路，一路返回柴油集油箱下作为热回流，另一路至柴油-原料换热箱，换热至156 oC后，分出一部分返回分馏塔。经分馏塔顶空冷器冷却后再分出两股，一股作为温控流股返回分馏塔，另一股经贫吸收柴油冷却器冷至40oC后由贫吸收柴油泵打入柴油吸收塔作为柴油吸收剂，余下部分柴油经柴油冷却器冷却至50oC作为柴油产品出装置。
装置中分馏塔顶空冷器及蜡油空冷器，总数5台，每台功率37KW，当气温突变时，空冷器经常发生偏流现象，只能依靠人工开（停）空冷器来调节温度，一方面经常造成空冷过剩使用，浪费电力；另一方面使C-6202主分馏塔的温度和压力难以控制，从而影响了产品馏的出口合格率。
焦炭塔吹汽、冷焦过程产生的大量高温蒸汽及夹带的少量油气进入放空塔下部，从顶部打入蜡油馏分，洗涤下油气中的柴油及以上馏分。放空塔底重油由放空塔底泵抽出，送经水箱冷却器冷却后，一部分作为放空塔顶回流，控制塔顶气相温度150oC左右。另一部分在液面控制下送装置外污油罐分水处理后可回拣。放空塔顶出来的大量蒸汽及油气经放空塔顶空冷器、放空塔顶后冷器冷却到40oC进入放空塔顶气液分离罐，分出的轻污油由污油泵送出装置，污水由污水泵送至冷切焦水系统隔油处理后作为冷切焦水补充水。
KULICKE & SOFFA  01483-4203-000-08这一工艺流程中除高压机泵外，另有一些配置380V电压泵类的负荷，总数7台，从37KW-160KW分多个功率段，在实际运行中存在变流量调节的要求，以前主要靠人工调节阀门开度，且大部分是放在阀门开度的70％-80％左右固定位置，甚至有些阀门的开度只有20％，系统运行在节流工作状态，阀门上的能量损失全部被浪费。
变频器在延迟焦化装置上的应用，改变了以往使用节流方法调整泵类、风机的转速，可取得较明显的经济效益。同时变频器的应用减少甚至避免了因工频运行大电流冲击引起的调节阀及进出口管路的磨损现象，延长了设备的使用寿命。
在设备运行期间，读取了变频运行状态下的一些数据，和电机额定数据比较可以明显反映出设备有很大的节能空间。
2010年6月2日——全球领先的电力和自动化技术集团ABB近日宣布，将为山东南山铝业股份有限公司建设的国内第一套“三机架铝带冷连轧机”提供全套量身定制的自动化解决方案，帮助南山铝业在铝加工特别是高品质制罐料市场进一步提高竞争力，保持其在国内铝材行业市场的领导地位。
ABB过程自动化业务部北亚区和中国区负责人柏轲表示：“很高兴看到ABB的领先自动化技术能够参与并帮助中国铝加工行业应用全球最先进的生产工艺。ABB是全球自动化技术领域的领导企业，在轧机领域拥有丰富的经验和雄厚的技术，与南山铝业的合作再次证明了我们的实力。”
山东南山集团轻合金有限公司总经理宋昌明说：“双方在冷轧机项目上多年来有着成功的合作。ABB是负责任和可信赖的供应商，未来我们希望继续与ABB公司密切合作并不断扩大合作范围。”
南山铝业此次采用全球最新工艺新建的三机架铝带冷连轧机将于2012年正式投入使用，生产线设计年产量35万吨，居全国同行业前列。ABB为这套设备量身定制了全套自动化解决方案，包括自动化系统、计算机系统、数学模型、电机和传动系统、仪表等。同时，ABB还将提供包括工程设计、安装督导、现场调试在内的一系列支持服务。
ABB的自动化解决方案可以使冷连轧机实现高精度的厚度控制，将厚度公差控制在几微米的范围内，满足了铝罐材生产中对厚度精度的苛刻要求，保证了产品质量。其控制系统采用了ABB中压传动ACS6000和低压传动ACS800等先进设备，通过ABB领先的DTC（直接转矩控制）技术，可以对电机转距和速度进行快速和精确控制，有效提高轧机控制精度，减少计划外停机，从而帮助客户提高轧机的工作效率，减少维护成本。
ABB在金属加工行业轧机控制技术方面居全球领先地位，特别是在铝加工行业更是行业翘楚。ABB自上世纪80年代初以来已经参与中国多个大型铝加工项目，如中铝东北轻合金，中铝西南铝，中铝瑞敏铝业等等。 最近，ABB支持中铝西南铝建成了国内第一条双机架冷连轧机，还参与了在建的中铝瑞敏铝冷轧项目，青海平安铝业冷轧项目，云南铝业冷轧项目，中煤能源大屯冷轧项目，河南万基铝业冷轧项目等等。
山东南山铝业股份有限公司创建于1993年，KULICKE & SOFFA  01483-4203-000-08隶属于大型民营企业南山集团。它拥有一条从能源、电力、氧化铝、电解铝到铝型材、轻合金熔铸、热轧、冷轧、铝箔的完整铝加工产业链，是全球唯一短距离拥有最完整铝产业链的铝业公司。

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Details about FUJITSU HA01B-0024-A001 NSPP HA01B0024A001
Details about PIZZATO FR2092 NSFP FR2092
Details about FURNAS ELECTRIC CO 50ZAC2 USPP 50ZAC2
 
Details about WIX FILTERS 42054 NSFP 42054
Details about FURNAS ELECTRIC CO 52PA8A1 NSFP 52PA8A1
Details about BENTLY NEVADA 22151-201-02 USPP 2215120102
RELIANCE ELECTRIC 41102788T FNFP 41102788T
SICK OPTIC ELECTRONIC WL34-B440 NSPP WL34B440
Details about SIEMENS 6ES7653-2BA00-0XB5 NSFP 6ES76532BA000XB5
Details about Hitachi 2.2T eletric wire rope hoist motorosed girder trolly suit gantry crane
Details about WIX FILTERS 57245 NSFP 57245
Details about YALE 900540302 NSPP 900540302
WESTINGHOUSE 3D04128G01 NSPP 3D04128G01
Details about SIEMENS 1FK7044-7AH71-EG0 USPP 1FK70447AH71EG0
SADN// MITSUBISHI SF-JR MOTOR NO BOX NEW
Details about WEKSLER INSTRUMENTS 254L4-PE NSFP 254L4PE
RELIANCE ELECTRIC P14X4827 NSFP P14X4827
RELIANCE ELECTRIC 413336-1X NSFP 4133361X
Details about TURCK ELEKTRONIK WK-4.4T-2-RS4.4T NSPP WK44T2RS44T
Details about NEW ROSEMOUNT 3051CG2A02A1AB1K7H2 Pressure Transmitter 0-62.2 kPa
Details about ITE SIEMENS SMFH04 NSFP SMFH04
Details about ALLEN BRADLEY 2711P-RBB10 FNFP 2711PRBB10
SICK OPTIC ELECTRONIC SRM50-HFA0-K21 FNFP SRM50HFA0K21