


版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领
文档简介
1、AFirstissuestage修改-GUANGXIFANGCHENGGANGNUCLEARPOWERSTATIONPROJECT PHASE I (2x1000MW)广西防城港核电厂一期(2x1000MW)工DOC.BL917SES005GJS045GN题SYSTEMDESIGNHOTWATERPRODUCTIONANDDISTRIBUTION(SES) CHAPTER 5 OPERATING PRINCIPLES热水生产及分配系统设计手第五章行参A:B: C: Issued by证书号GEDI 广东省电力设计研究GUANGDONGELECTRICPOWERDESIGN44-H0201S-J
2、3510-InternalIdentificationThis document is the property of GEDI. It must not be used, reproduced, transmitted or disclosed without the prior written permission of GEDI. 本文件之产权属于广东省电力设计研究院。未获我批准:张审核:张校对:郑编写:孙轶- PAGE 6GUANGDONGELECTRICPOWERDESIGNCHAPTER5-OPERATING Normal operation is with one of the
3、two circulating pumps (201PO or 202PO) in operation. TheotherpumpisreadyforautomaticstartingintheeventoflowpumpdischargeThe admission of auxiliary steam to the calorifier is controlled by the outlet temperature of the water which regulates a steam control valve (202VV) to maintain the water temperat
4、ure at 95. Normal drainage of condensate from this calorifier is via a steam trap to the steam transformer system STR.Anyleakagefromthesystemis madeupbywaterfromtheheadtank(201BA). Any air entrained in the system is released via the same head tank.Water quality is maintained by operation of the Chem
5、ical Sampling System SIT and the Chemical Reagents Injection System SIR.Hot water distributes at a temperature of 95to the different heating coils. After circulation through the building heating systems it returns to outside nuclear island at a temperature of about 60 which may vary depending on the
6、 heat load.ABCDEFGGUANGDONGELECTRICPOWERDESIGN NotABCDEFGGUANGDONGELECTRICPOWERDESIGN NotABCDEFGGUANGDONGELECTRICPOWERDESIGNSTARTUPANDNORMALStartWiththecirculatingsystemfullofwatercheckThemakeupisolator(201VD)totheheadtankisopenandthewatersystemisThesuctionanddischargevalvesofbothpumpsareopen(201VL,
7、202VL,205VL&The inlet and outlet isolators (212VL & 207VL) of the normally operating drain trap are open and the inlet and outlet isolators (213VL & 214VL) of the standby drain trap and bypass valve (228VL) are closed.The drain isolator 229VL to the Steam Transformer system STR is open, and the drai
8、n isolator 215VL to the blowdown vessel system VVP is closed.Start the selectedpump then openthe inlet isolating valve (203VV) oftheauxiliary steamcontrol Closetheinletisolatingvalve(203VV)oftheauxiliarysteamcontrolvalve. Shut down the pumps.ABCDEFGGUANGDONGELECTRICPOWERDESIGNOTHER AlternativeIn the
9、 event of the STR system being unavailable then the calorifier condensate drain may be diverted to the blowdown vessel on system VVP. To do this the operator must close the isolator valve 229VL to the STR system and open the isolator valve 215VL to access the VVP system.In the event of a failure of
10、drain trap 9SES201PU a low temperature alarm at the calorifier water outlet will be activated on the CCR DCS. In this case the operator must close the inlet and outlet isolators (212VL & 207VL) of the normally operating drain trap and open the inlet (213VL) and outlet isolator (214VL) of the emergen
11、cy drain trap.ABCDEFGGUANGDONGELECTRICPOWERDESIGNCONTROLWater Circulating Pumps (201PO & 202PO) Localandremotecontrolwithrunningindication. Prevent start if low water level in header tank.Pumpshavedischargepressuregaugeandcommondischargepressuresensor. Header tank has level sensor and water level in
12、dicator.Autostartofstandbypumpwhencommondischargepressurefallsbelowlowpressuresetpoint. Auto stop when header tank level falls below low level set point.AuxiliarySteamInletValvetoCalorifierThe auxiliary steam supply to the calorifier is regulated by means of a modulating control valve. The position of the valve is dependent upon the outlet water temperature.Calorifier Th
温馨提示
- 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
- 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
- 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
- 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
- 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
- 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
- 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。
最新文档
- 甘肃法院宣传活动方案
- 甜品店开张活动方案
- 生产知识竞赛活动方案
- 生死元旦活动方案
- 生涯活动策划方案
- 生鲜冬至活动方案
- 特产活动策划方案
- 生态环境大讲堂活动方案
- 狗狗相亲活动策划方案
- 独山工会慰问活动方案
- 2025-2030中国非晶硅(无定形硅)行业发展规划与供需趋势预测报告
- 人教版(2024)七年级下册英语期末复习:阅读理解 突破练习题(含答案)
- 乙肝肝硬化教学查房课件
- 新生儿皮肤清洁与护理
- 保山2025年云南保山市中心血站招聘编外工作人员笔试题库附带答案详解
- 弘扬家风文化班会课件
- 吐鲁番采油厂玉果油田滚动建产工程环境影响报告书
- 2025年6月英语四级真题及参考答案
- 浙江省2024-2025学年高二下学期数学学考模拟考(三)(含答案)
- 电大:理论联系实际谈一谈如何维护政治安全?参考答案
- 2025年下半年佛山市图书馆招考工作人员易考易错模拟试题(共500题)试卷后附参考答案
评论
0/150
提交评论