锅炉安全门校验技术措施翻译.docx

1、锅炉安全门校验技术措施翻译电站锅炉安全门校验和蒸汽严密性试验技术措施会签单Technical measures ofboiler security door checkout and steam leak test 编写： 山东源和电站工程公司Edited by: Runh Power Plant Engineering Technology Co.,Ltd目 录一、设备概述 5二、安全门校验和蒸汽严密性试验目的 5三、安全门校验和蒸汽严密性试验的标准 6四、安全门校验和蒸汽严密性试验范围 6五、安全门校验和蒸汽严密性试验应具备的条件 6六、安全门校验和蒸汽严密性试验 7七、安全门校验和蒸汽严

2、密性试验安全注意事项 8八、安全门校验和蒸汽严密性试验组织与分工 8Content1. General description of equipments2. The purpose of security door checkout and steam leak test3. Standard of security door checkout and steam leak test4. Scope of security door checkout and steam leak test5. Requirement for security door checkout and steam

3、leak test6. Security door checkout and steam leak test7. Safety precautions for security door checkout and steam leak test8. Organization and tasks of security door checkout and steam leak test一、设备概述1. General description of equipmentsTwink电站工程1130t/h CFB由济南锅炉集团有限公司生产，其型号为YG-130/9.8-M7，该锅炉为130t/h高压、

4、高温循环流化床锅炉，具有燃烧效率高、低污染和节约燃料、便于调节等特点。该锅炉结构简单、紧凑，炉型与传统的煤粉锅炉类似。锅炉本体由燃烧设备、给煤装置、床下点火装置、分离和返料装置、水冷系统、过热器、省煤器、空气预热器、钢架、平台扶梯、炉墙等组成。锅炉采用床下油点火方式；流化床布风板采用水冷布风板结构，布置钟罩式风帽，有效面积为15m2；锅炉采用3台给煤机由炉前给煤；分离装置采用高温汽冷旋风分离器。1130t/h CFB of Twink power plant Galvanized Steel Limited is manufactured by Jinan Boiler Group, Mode

5、l is YG-130/9.8-M7. The boiler is 130t/h, high pressure high temperature Circulating Fluidized Bed Boiler(CFB) with high combusting efficiency, low pollution, save fuel, easy to adjust etc. The boiler structure is simple, compact and the boiler type is similar to traditional pulverized coal boiler.

6、The proper is composed of combusting equipment, coal feed devices, ignition device under bed, separation and back feeding devices, water cooling system, superheater, economizer, air preheater, steel structure, platform and stairs, furnace wall etc. The boiler is oil ignited under bed; bed grid plate

7、s is water cooling air-distribution structure with bell hood and 15 effective area; coal is feed from the front of furnace by 3 coal feeders; separation device is of high-temperature steam-cooled cyclone.锅炉主要参数：序号参数单位数值备注1额定蒸发量t/h1302额定蒸汽压力MPa9.83额定蒸汽温度5404给水温度1805排烟温度1306锅炉设计效率88The main parameters

8、 of boilerNo.ParametersUnitValueRemarks1Rated evaporationt/h1302Rated steam pressureMPa9.83Rated steam temperature5404Water temperature1805Smoke discharge temperature1306Design efficiency of boiler88设计燃料：1、煤种：印度进口煤和印度煤。2、低位发热量：Qydw=30005000KcalKg不等；3、燃料颗粒度要求：013mm，50切割粒径d50=1.5mm；4、石灰石颗粒度要求：2mm，50切割

9、粒径d50=0.25mm；6、燃煤水分：Wy=10.75；灰分：Ay40；挥发份：Vy=24；7、哈氏可磨指数：（HGI）=4g；8、燃煤灰渣特性：T11290；T21350；T31500。Design fuel:1. coal type: india importing coal and indian coal2. lower heating value: Qydw=30005000KcalKg3. requiements of fuel granularity: 013mm，50parical size: d50=1.5mm；4. requiements of limistone gran

10、ularity: 013mm，50parical size: d50=1.5mm；6. moisture of fuel coal：Wy=10.75；ash content：Ay40；vdaf：Vy=24；7、Hardgrove Grindability Index：（HGI）=4g；8、characteristic of fuel coal ash and slag：T11290；T21350；T31500。二、安全门校验和蒸汽严密性试验目的1、 锅炉首次升温升压后，受热管道及部件将产生热变形，为了设备长期安全运行，应严格做好各升温升压时段的蒸汽严密性检查工作。2、 锅炉在实际运行过程中蒸汽

11、压力有时会超过额定压力，为保护锅炉承压部件在允许的范围内工作，保持设备的安全工作期限，有效地防范设备事故发生，因此应严格按照规程要求进行安全阀调试。2. The purpose of security door checkout and steam leak test1. be-heated pipelines and parts should be thermal deformed when the boiler is first warm up and step us. To maintain longterm and safe operation of equipment, steam

12、leak test should be strictly carried out during different period of warming up and steping up.2. steam pressure may exceed rated pressure when boiler in actual motion, safety checkout should be strictly carried out with regualtion to protect boilers pressure bearing parts working within permissable

13、scope, to keep the safe working time of equipments and efficiently prevent accidents.三、安全门校验和蒸汽严密性试验的标准1、 火力发电厂基本建设工程启动及竣工验收规程2、 电力建设施工及验收技术规范(锅炉机组篇)3、 火电施工质量检验及评定标准4、 锅炉制造厂编写的安全阀排放量计算书和锅炉使用说明书3. . Standard of security door checkout and steam leak test 1. Start and final acceptance regulation for th

14、ermal power plant capital constrction project. 2. Technical specification of electric power construction, inspection and acceptance (boiler unit) 3. Quality inspection and rating standard for thermal constrction 4. Calculation sheet of safe valve discharge capacity and Boiler instruction edited by b

15、oiler manufacturer.四、安全门校验和蒸汽严密性试验范围1、 锅炉汽水系统的焊口、人孔、手孔、法兰和汽水阀门的严密性；汽包、联箱、各受热面和汽水管路的膨胀，支座、吊杆和弹簧的受力情况。2、 汽包安全阀、过热器安全阀。4. Scope of security door checkout and steam leak test 1. Stringency of welded junction, manhole, hand hole, and steam water valve of boiler steam-water system; The load capacity of bo

16、iler drum, hearders, expansion of heat face and steam-water pipeline, supportings, boom and spring. 2. Drums safe valves, superheater safe valves五、安全门校验和蒸汽严密性试验应具备的条件1、 试运现场场地应平整，影响试运的施工脚手架应全部拆除，现场清扫干净，沟道、孔洞盖板齐全，消防设施齐备，交通及人行道路畅通。2、 试运现场具有充足的正式照明，事故照明应能在故障时及时自动投入。3、 锅炉本体及附属设施的梯子、平台安装完毕，栏杆齐全牢固。4、 应分别备

17、齐安全阀效验用工器具。5、 主蒸汽管道系统安装及保温全部结束，经过水压试验，管道的所有支吊架固定牢靠，可以自由膨胀。6、 给水系统、减温水系统安装及保温完毕，管道已冲洗干净，水压试验合格，各电动阀、截止阀动作灵活，严密不漏，开关行程正确，调节阀灵活可靠。7、 具备启动、升温升压条件。8、 锅炉主蒸汽管道吹洗合格。9、 汽包、各联箱的膨胀指示器按要求安装完毕，安装牢固，冷态指示调整到零位。10、安全阀排汽管道安装牢固，内部杂物清理干净，疏水孔畅通。11、建立统一的试运领导指挥组织，安装、调试、运行单位人员配备齐全，做到职责清楚，分工明确。5. Requirement for security d

18、oor checkout and steam leak test1. Commissioning on-site venues should be smooth, scaffolds effecting commissioning should be fully dismantled, the scene should be cleaned up, channel and hole cover should be completed, fire facilities are available, traffic and road pavement shoud be cleaned.2. Com

19、missioning site has plenty of lighting, emergency illumination should be able to automatic start up in time when failure occurs.3. Stairs and platforms of boiler proper and auxiliary facilities are fixed and handrails are complete and stable.4. Make full preparation of tools and implements for safe

20、valve inspection.5. Installation and insulation of main steam pipelines is finished and all the hangers of pipeline are fixed stably and able to expand freely after hydrostatic test.6. Installation and insulation of water feed system and attemperating water system, pipeline is cleared, hydrostatic t

21、est is proper, electrical valve and stop valve are flexible and sealed, switch routine is proper and control valve is flexible and reliable.7. Condition is proper for starting up, warming up and steping up.8. Boiler main steam pipelines are properly blowed and washed.9. Expansion indicators are stab

22、ley fixed to drum and headers according requirements and cold state indicator is adjusted to zero.10. Exhaust steam pipeline of Safe valves is stably fixed, inner miscellanies are cleaned up and drain hole is smooth.11. unified trial run leadship organization established, staff for installation, com

23、missioning and operation available, to achieve clear responsibility and clear division of labor. 六、安全门校验和蒸汽严密性试验1、 蒸汽严密性试验吹管工作结束，关闭锅炉出口电动门后，锅炉逐渐将压力升到工作压力，进行蒸汽严密性试验，此时应对下列各项进行检查：1.1 焊口、人孔、手孔、法兰等的严密性。1.2 检查锅炉附件及全部汽水阀门的严密性。1.3 检查汽包、联箱、各受热面及锅炉范围内汽水管路的热膨胀情况，以及支吊架、弹簧等的位移伸缩情况是否有碍膨胀处。1.4 蒸汽严密性试验的检查结果应详细记录，并

24、办理签证。2、 安全阀校验2.1 安全阀校验前的准备工作：2.1.1 安全阀一般应经过解体检查、清洗、研磨及水压试验（厂家有规定的，应按照厂家规定执行）。2.1.2 安全阀安装时各部分间隙测量数据、厂家资料准备齐全。2.1.3 安全阀的排汽管牢固可靠，且不妨碍膨胀。2.1.4 准备好上下联系的电话或对讲机及灯光信号，调试地点应照明充足，道路畅通。2.1.5 准备020MPa经检验合格的0.4级标准压力表一块。2.1.6 安全阀校验前，上、下压力表应经过校对，并记录上、下压力差值。2.1.7 准备好调整用的工具，配备好人员，分工明确，统一指挥。2.1.8 安全阀调整完毕后，应整理记录，办理签证。

25、2.2 安全阀校验参数安全阀校验应在蒸汽严密性试验结束，且无问题后进行。此时可继续升压进行安全阀校验。根据锅炉监察规程及制造厂和电厂的运行规程规定，具体整定值如下：锅炉安全阀校验参数表名 称数量系数工作压力（MPa）起座压力（MPa）回座压力（MPa）汽包工作安全阀11.0811.212.096安全阀的回座压差一般为起座压力的47及低于起跳压力汽包控制安全门11.0511.211.76过热器控制安全阀11.059.810.296. Security door checkout and steam leak test1. Steam leak testBoiler pressure is ste

26、ped up to operating pressure for steam leak test, after blow pipe is over and electrical door of boiler exit is closed. The below items should be check:1.1 Stringency of welded hole, man hole, hand holem flange etc.1.2 Stringency of boiler auxiliary and all steam-water valves.1.3 Check the heat expa

27、nsion of drum, headers, heating faces and steam-water pipeline within boiler scope, and check whether the shifting/extenting of hangers, springs effect expansion points.1.4 Testing results of steam leak test should be detailed recorded and certificated.2、 Safe valve checkout2.1 The preparation for s

28、afe valve checkout：2.1.1 Safe valves should be under dismantling test, washing, grinding and hydrostatic test in general.(It should be based on manufacturers regulation if any)2.1.2 Clearance data and manufacturers data are available for safe valve installance.2.1.3 Steam exhaust pipes of safe valve

29、s is stable, reliable and dont effect expansion.2.1.4 Telephone, interphone, lighting and signals for top and bottom communication are full prepared. The full lighting and smooth road are available on commissioning site.2.1.5 A 0.4 grade standard pressure gauge, tested qulaified under 020Mpa.2.1.6 U

30、pper and down pressure gauges should be calibrated before safe valve checkout, and recording the differential pressure vaule 2.1.7 Make preparation for adjusting tools, staff, clean division of lavor, unified command.2.1.8 Record and certificate it when safe valve adjusting is finished.2.2 Parameter

31、s of safe valve checkoutSafe valve checkout should be carried out when steam leak test is finished without problems. The pressure can be continuously steped up for safe valve checkout. Based on Boiler monitoring regulations and operating regulations of manufacturer and power plant, the setting parameters are specified as below:Parameter sheets for safe valve checkoutNameQuantityfactorOperating pressure（MPa）Popping pressur