燃料系统培训电厂燃料系统概述部分1final.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,波黑斯坦纳瑞,1,300MW,燃煤电厂,燃料系统培训,燃料系统培训,目录,一、电厂燃料系统介绍,二、燃料基础知识,三、燃料管理,燃料系统培训,电厂燃料系统介绍,Outline on fuel system,燃料系统培训,二、燃煤厂外运输方式及技术条件,Factory-out transportation and technical conditions,波黑斯坦纳瑞电厂燃煤为斯坦纳瑞本地煤矿所产褐煤，燃煤运输采用煤矿皮带输送机直接进厂。,Raw material for Stananria power plant is brown coal produced locally.Coal transportation adopts mine belt conveyor for coal supply,三、燃煤,Coal,（一）煤源及煤质资料,Coal source and characteristic data,Annual coal quantity of STANARI power plant is 25010,4,t,and the fuel coal is the lignite produced from local coal mine of Stanari with coal quality data below:,燃料系统培训,波黑斯坦纳瑞电厂年耗煤量为,250,10,4,t/a,，燃煤为本地煤矿所产褐煤，煤质资料如下：,序号,类型,单位,设计煤质,设计范围,最差煤质,1,固定碳,%,27.55,22.0-33.0,22.72,2,氢,%,2.46,2.1-2.9,2.16,3,氧,%,13.1,10.0-15.4,10.08,4,氮,%,0.25,0.20-0.33,0.32,5,硫,%,0.13,0.10-0.20,0.2,6,氯,+,氟,%,0.009,0.004-0.0182,0.0182,7,灰份（,815,）,%,7.5,6.0-12.0,12,8,全水份49.0,46.0-53.0,52.5,9,低位热值（,LHV,）,kJ/kg,9100,7500-10500,7500,10,哈氏指数,HGI,40,35-43,11,挥发份,%,26.1,21-28.8,21.3,燃料系统培训,（二）电厂锅炉耗煤量,(II)Coal consumption of boiler of power plant,煤,种,Coal type,耗煤量,装机容量,Coal consumption,Installed capacity,小时耗煤量,t/h,coal consumption per hour,t/h,日耗煤量,t/d,Daily coal consumption,设计煤种,Design coal type,1,300MW,331,7944,校核（最差）煤种,Check(worst)coal type,1,300MW,408.1,9794.4,注：,1.,日运行小时数为,24,小时,2.,年利用小时数为,7500,小时,Note:1.Daily running hours is 24h.,2.Annual utilization hours is 7500h.,燃料系统培训,输煤皮带系统概述,Summary for belt conveyor system,本工程来煤为厂外长皮带来煤，厂外长皮带来煤进入,CCH-2,号转运站。,Incoming coal for the project is transported through long belt outside the plant,and enters in transfer station CCH-2.,电厂单台机组耗煤量为,331t/h,，按日运行小时数,24h,计，全厂,1300MW,机组日耗煤量,7944t,。本期建,1,个约,267,米,103,米的煤场，堆煤高度,14.45,米，总贮煤量约,145000,吨。可满足,1300MW,机组共计,15,天的耗煤量。,Coal consumption for each unit:331t/h,daily coal consumption for 1300MW based on operating hours(24hs):7944t.One coal yard(about 267 meter103meter)for this power plant built,pile height:14.45meters,total storage amount about 145000t which can supply 1x300MW unit for 15 days,燃料系统培训,（三）破碎设备,燃煤从煤矿将尺寸,200mm,的褐煤进入电厂，电厂安装在,CCH-2,的破碎设备为二级破碎系统设,1,台布料器额定出力,800 t/h,，最大出力,1000 t/h,，上口,900,1500mm,，下口,960,2850mm,，高,2500mm,，带软连接。和一台,PHB1626MVD,型可逆式锤式破碎机，额定出力,Q=800 t/h,，最大出力,1000 t/h,，机壳设液压驱动开启装置，配置振动、轴承温度转速、壳体闭合安全监测装置。进料粒度,0-200mm,（其中,3%-5%,大于,300mm,），出料粒度,0-40mm,，,95%,，电动机功率,710KW,，电压,6KV,。,(III)Screening and crushing equipment,Through first-stage of screening and crushing in the coal mine,the lignite with size smaller than 200 mm enters into the power plant.The screening and crushing equipment set 1 distributor for second-stage of screening and crushing system,with rated output of 800 t/h and max output of 1000 t/h,with upper opening of 9001500 mm and lower opening of 9602850 mm and height of 2500 mm,with soft connection.In addition,a reversible hammer crusher PHB1626MVD is set,with rated output Q=800 t/h and max output of 1000 t/h,the hydraulic opening device is set on the enclosure and equipped with vibration,bearing temperature and speed,enclosure closing safety monitor.The feed granularity is 0200mm(where 3%5%are bigger than 300mm)and discharge granularity is 040mm(accounts for 95%).The motor power is 710KW with voltage of 6KV.,燃料系统培训,（四）胶带输送机系统,电厂从煤矿皮带输送机至煤场的输送系统、从煤场至主厂房原煤仓的输送系统，除煤仓间,BC-8,带式输送机外，其它带式输送机的规格为,B=1200mm,V=2.5m/s,Q=800t/h煤仓,BC-8,带式输送机的规格为,B=1400mm,，,V=2.0m/s,Q=800t/h,；除,BC-2,及,BC-3,和,BC-4,带式输送机为单路布置外,BC-1LR,、,BC-5LR,、,BC-6LR,、,BC-7LR,、,BC-8LR,带式输送机均为双路布置。一路运行，一路备用。并具有双路同时运行的条件。,(IV)Ruuber belt conveyor system,Except for belt conveyor BC-8 in the bunker bay,the conveyor system of the power plant from the coal mine belt conveyor to the mine yard and from the mine yard to prime bunker bay of main power plant are all of specifications of B=1200mm,V=2.5m/s and Q=800t/h;belt conveyor BC-8 in the coal bunker bay is of specification of B=1400mm,V=2.0m/s and Q=800t/h;except for BC-2,BC-3 and BC-4 belt conveyors which have single-way arrangement,all other belt conveyors are dual-way arrangement,one for operation and one for standby and these conveyors are equipped with conditions of carrying dual-way simultaneous operation.,燃料系统培训,（五）辅助设施,1.,电磁除铁器,电厂设置,3,级除铁器，分别在,BC-3#,带式输送机的头部、煤场的,BC-2,带式输送机头部、碎煤机室后的,BC-6LR,带式输送机头部设有悬挂带式电磁除铁器，用来除去煤流中的铁块。,在,BC-3,、,BC-4,、,BC-5LR,、,BC-6LR,、,BC-7LR,带式输送机的中部安装,LJT-12,型金属探测仪，适应带宽,B=1200mm,，用于保护碎煤机和磨煤机。,(V)Auxiliary facilities,1.Electric magnetic iron remover,3 stages of iron removers are set for the power plant,respectively at the head of the BC-3#belt conveyor,the head of the BC-2#belt conveyor on the coal yard,and the head of the BC-6#LR belt conveyor in the coal breaker room,of which the last one is hanging belt type electric magnetic iron remover for removing the briquette in the coal flow.,Install metal detector LJT-12 in the middle of BC-3,BC-4,BC-5LR,BC-6LR and BC-7LR rubber belt conveyors,with adapting belt width B=1200mm,for protecting the coal crusher and coal mill.,燃料系统培训,2.,取煤样装置,电厂在,JT5,转运站,BC-7LR,设置,2,套入炉煤取样装置，用于入炉煤取样。,3.,计量装置,在厂外,UC-5,皮带机、,BC-7LR,胶带输送机中部共设置,4,台带循环链码校验装置的电子皮带秤，用于入厂煤和入炉煤的计量。,2.Coal sampling device,2 sets of sampling devices for fired coal are set in the power plant for sampling of fired coal.,3.Metering device,4 electronic belt scales with cycling chains calibration device are set in the middle of UC-5 belt conveyor and BC-7LR rubber belt conveyor outside the plan,for metering of coal as received and fired coal.,燃料系统培训,4.,保护装置,每路胶带机运行通道侧配有双向拉绳开关。在每条胶带机两侧，每隔一段距离，设置防跑偏开关。在每路胶带机上分别设置速度监测器、煤流信号、纵向撕裂保护装置，在落煤管上防堵塞装置等。,4.Protector,Each rubber belt conveyor gateway is equipped with dual-direction puII cord switch.At both sides of each belt conveyor,belt sway switches are set every certain distance.Speed monitor,coal flow signal,longitudinal tear protector are set on eacy way of belt conveyor,and obstruction-proof device is seet on the coal dropping pipe,etc.,燃料系统培训,5.,检修起吊设施,每条胶带机头部及其它重型设备上均设有电动葫芦；在一些轻型设备及胶带机尾部上部设置手动葫芦；在推煤机库检修间设置,1,台电动单梁起重机。,5.Maintenance of lifting facilities,Electric hoist is set on the head of each rubber belt conveyor and other heavy equipments;manual hoists are set on some light equipment and at the tail of the belt conveyor;1 electric single beam crane is set in the maintenance room of the coal pusher garage.,燃料系统培训,6.,输煤综合楼,电厂输煤综合楼布置在碎煤机室附近，其中包括运煤检修间、运煤系统配电室、控制室、办公室、备品间、休息间、工具间等设施。,7.,推煤机库,电厂推煤机库布置在煤场附近，其中包括,1,个推煤机检修位、,3,个停车位、备品间、休息间、工具间等设施。,6.Coal handling complex building,Coal handling complex building is set near the coal crusher room,including coal handling maintenance room,distribution room of coal conveying system,control room,office,spare room,rest room and tool room,etc.,7.Coal pusher garage,The coal pusher garage of the power plant is arranged nearby the coal yard,including 1 coal pusher maintenance station,3 parking spaces,spare room,rest room and tool room,etc.,燃料系统培训,（七）输煤系统运行的方式,输煤系统按两班制运行，每班平均运行时间约为,7-8,小时。,输煤系统在,CCH-2,破碎机下、,BC-2,、,BC-4,、,BC-6LR,设置电动三通，以实现工艺流程的交叉切换。,输煤系统,CCH-3,储煤斗采用,2,台单侧犁式卸料器卸煤，煤仓层采用双侧犁式卸料器卸煤，每个原煤仓配置,2,台犁式卸料器。,(VII)Operation mode of coal conveying system,Coal conveying system operates in 2 shifts,with average operation time each shift about 78 h.,Coal conveying system sets electric tee under#1 crusher,BC-2,BC-4 and BC-6LR,to realize the cross switching between various process flows.,Coal hopper of coal conveying system and coal bunker layer respectively uses 2 single-side plow unloaders and double-side plow unloader to unload the coal,and each prime coal hopper is equipped with 2 plow unloaders.,燃料系统培训,（八）输煤系统的管理方式及注意事项,输煤系统采用,PLC,程序控制，同时设就地手动操作装置，为确保系统安全运行，须注意以下几点：,1.,系统运行时应尽量避免交叉。,2.,电动三通应在胶带机停运状态下切换其位置。,3.,本地褐煤注意在雨季煤中水分达到,50%,，要控制好上煤量，加强设备监控，防止堵煤情况发生。,(VIII)Management method and precautions to coal conveying system,Coal conveying system is controlled by PLC program together with local manual operation device,to ensure safety operation of the system,the following precautions shall be noted:,1.Try to avoid crossing when the system is in operation.,2.Switch the position of electric tee when the rubber belt conveyor stops.,燃料系统培训,二、煤尘防治,（一）输煤系统的防尘和抑尘措施,在储煤场上设置覆盖整个煤堆面积的喷洒设施，以防止煤尘飞扬。在各转运站、碎煤机室、煤仓间各落料点均设置除尘装置。,在落差较大的各落煤管加装锁气器，在犁式卸料器漏斗处加装锁气挡板。,II.Prevention and control of coal dust,(I)Prevention and control as well as dust suppression measures of coal conveying system,Spray facilities that can cover the whole coal piling area shall be set on the coal storage yard to prevent coal dust flying.Dust remover shall be set at each material blanking point of each transfer station,coal breaker room and coal bunker bay.,Air lock shall be installed at various coal shoots with big head,and air lock air lock shall be installed at funnel of the plow unloader.,（二）输煤系统清扫方式,电厂输煤栈桥、各转运站、碎煤机室、煤仓间均采用真空清扫。,(II)Coal conveying system cleaning method,Coal conveyor gallery,each transfer station,coal breaker room and coal bunker bay of the power plant shall adopt vaccum cleaning.,燃料系统培训,三、燃油系统介绍,电厂的锅炉点火及助燃燃料品种为轻柴油。,本工程锅炉启动和低负荷助燃所用的燃料为轻柴油,油区包括罐区、油泵房和汽车卸油区。罐区共设置,2,个,500m,3,的轻柴油罐。油泵房共设置,2,台,NM076BY01L06V,轻柴油卸油泵（一运一备）、,2,台,NM090SY04S24Z,轻柴油供油泵（一运一备）、,1,台,NM038BT01L06B,污油泵、,1,台,NM038BT01L06B,燃油回收泵。油泵房设置,1,个燃油回收箱。燃油蒸汽伴热系统、蒸汽吹扫系统、燃油冷却系统、泡沫消防及水消防冷却系统组成。,燃料系统培训,原煤仓的配煤主要是通过电动犁煤器来完成。每个原煤斗配置,2,台犁式卸料器。每个原煤斗装有料位计。配煤控制功能分为程控自动配煤、程控手动配煤和就地手动配煤，其中前两者在,PLC,的控制下进行，后者无需,PLC,的参与。,辅助车间最终将采用全厂辅助车间集中监控方式，即将水控制网、灰控制网、输煤程控控制网合并为一个辅控网。,Coal blending of coal bunker layer is mainly finished by electric coal plow.Each prime coal hopper is equipped with 2 plow unloaders.Each prime coal hopper is installed with level gage.The coal blending control functions can be classified into programmable automatic coal blending,programmable manual coal blending and local manual coal blending,of which,the former two are conducted under control of PLC,while the latter operates without participation of PLC.,The auxiliary shop will finally adopt central monitor method of the whole pwer plant,i.e.,integrate the water control network,ash control network and coal conveying programmable control network as a auxiliary control network.,燃料系统培训,（二）输煤运行岗位与集控的相关性介绍,值长在生产现场值班，有权直接调度与生产有关的部门及人员，任何部门和个人不得无故拖延或拒绝执行值长的调度命令。对无故拖延或拒绝执行调度命令而造成的后果，由受令人全部负责。,(II)Relevency of coal conveying operating post and central control,Shift foreman on duty on the production site has right to directly dispatch department and personnel in relation to production,and any department and personnel shall not unseasonably delay or refuse to execute the dispatching command of the shift foremen.For consequences caused by unseasonable delay or refusal of execution shall be the sole responsibility of the people receiving the command.,燃料系统培训,输煤班长（或主值）在调度上必须服从值长的统一管理，接到值长的命令后必须全文复诵，核实无误后迅速正确地执行，执行完毕后立即向值长汇报。对值长命令有疑问，可向值长申明理由，如果值长坚持命令，必须立即执行，出现问题由发令人负责；值长命令有明显错误（如对人身及设备构成严重威胁时），受令人可越级向有关领导汇报并向值长申明理由拒绝执行，如果明知命令错误既不申明理由，也不越级汇报、请示，仍照错误命令执行，执行错误命令者与发令人负同等责任。,Coal conveying leader(or shift foremen)shall obey the unified management of the shift foremen,and must read back the full text upon receiving the command and conduct rapid and correct execution after it is confirmed right.If there is any question to the command of the shift foremen,the leader can state reasons,and if the shift foremen insists on the command,the leader must give immediate execution,and problems caused hereto shall be borne by the commander;if there there is obvious incorrect in the command of the shift foremen(for instance,the command will cause serious threat to human and equipment),the people receiving the command can give skip-level report to relevant leaders and can refuse to execute by stating reasons to the shift foremen,while if people receiving the command knows that the command is wrong but does not state the reasons and neither give skip-level report and ask for instructions and execute the wrong command,then the people executing the wrong command will bear equal responsibility with the commander.,燃料系统培训,结束谢谢,