Severity: Notice
Message: Use of undefined constant APP_ID - assumed 'APP_ID'
Filename: database/translate.php
Line Number: 64
Backtrace:
File: D:\database\translate.php
Line: 64
Function: _error_handler
File: D:\wwwroot\jzbearing.com\application\controllers\news.php
Line: 240
Function: lang
File: D:\wwwroot\jzbearing.com\index.php
Line: 315
Function: require_once
Severity: Notice
Message: Use of undefined constant APP_ID - assumed 'APP_ID'
Filename: database/translate.php
Line Number: 69
Backtrace:
File: D:\database\translate.php
Line: 69
Function: _error_handler
File: D:\wwwroot\jzbearing.com\application\controllers\news.php
Line: 240
Function: lang
File: D:\wwwroot\jzbearing.com\index.php
Line: 315
Function: require_once
Severity: Notice
Message: Use of undefined constant SEC_KEY - assumed 'SEC_KEY'
Filename: database/translate.php
Line Number: 69
Backtrace:
File: D:\database\translate.php
Line: 69
Function: _error_handler
File: D:\wwwroot\jzbearing.com\application\controllers\news.php
Line: 240
Function: lang
File: D:\wwwroot\jzbearing.com\index.php
Line: 315
Function: require_once
Severity: Notice
Message: Use of undefined constant APP_ID - assumed 'APP_ID'
Filename: database/translate.php
Line Number: 64
Backtrace:
File: D:\database\translate.php
Line: 64
Function: _error_handler
File: D:\wwwroot\jzbearing.com\application\views\news\knowledgePage.php
Line: 33
Function: lang
File: D:\wwwroot\jzbearing.com\application\controllers\news.php
Line: 248
Function: view
File: D:\wwwroot\jzbearing.com\index.php
Line: 315
Function: require_once
Severity: Notice
Message: Use of undefined constant APP_ID - assumed 'APP_ID'
Filename: database/translate.php
Line Number: 69
Backtrace:
File: D:\database\translate.php
Line: 69
Function: _error_handler
File: D:\wwwroot\jzbearing.com\application\views\news\knowledgePage.php
Line: 33
Function: lang
File: D:\wwwroot\jzbearing.com\application\controllers\news.php
Line: 248
Function: view
File: D:\wwwroot\jzbearing.com\index.php
Line: 315
Function: require_once
Severity: Notice
Message: Use of undefined constant SEC_KEY - assumed 'SEC_KEY'
Filename: database/translate.php
Line Number: 69
Backtrace:
File: D:\database\translate.php
Line: 69
Function: _error_handler
File: D:\wwwroot\jzbearing.com\application\views\news\knowledgePage.php
Line: 33
Function: lang
File: D:\wwwroot\jzbearing.com\application\controllers\news.php
Line: 248
Function: view
File: D:\wwwroot\jzbearing.com\index.php
Line: 315
Function: require_once
2024-07-25
Severity: Notice
Message: Use of undefined constant APP_ID - assumed 'APP_ID'
Filename: database/translate.php
Line Number: 64
Backtrace:
File: D:\database\translate.php
Line: 64
Function: _error_handler
File: D:\wwwroot\jzbearing.com\application\views\news\knowledgePage.php
Line: 36
Function: lang
File: D:\wwwroot\jzbearing.com\application\controllers\news.php
Line: 248
Function: view
File: D:\wwwroot\jzbearing.com\index.php
Line: 315
Function: require_once
Severity: Notice
Message: Use of undefined constant APP_ID - assumed 'APP_ID'
Filename: database/translate.php
Line Number: 69
Backtrace:
File: D:\database\translate.php
Line: 69
Function: _error_handler
File: D:\wwwroot\jzbearing.com\application\views\news\knowledgePage.php
Line: 36
Function: lang
File: D:\wwwroot\jzbearing.com\application\controllers\news.php
Line: 248
Function: view
File: D:\wwwroot\jzbearing.com\index.php
Line: 315
Function: require_once
Severity: Notice
Message: Use of undefined constant SEC_KEY - assumed 'SEC_KEY'
Filename: database/translate.php
Line Number: 69
Backtrace:
File: D:\database\translate.php
Line: 69
Function: _error_handler
File: D:\wwwroot\jzbearing.com\application\views\news\knowledgePage.php
Line: 36
Function: lang
File: D:\wwwroot\jzbearing.com\application\controllers\news.php
Line: 248
Function: view
File: D:\wwwroot\jzbearing.com\index.php
Line: 315
Function: require_once
1、机组在正常运行中要加强轴系振动的检查监视,两台DEH显示器至少要保留一台监视振动画面。
2、机组运行中尽量维持负荷、汽压、汽温、真空、润滑油温等参数的相对稳定,当发现振动上升时,要注意以上参数的变化,特别要检查机组热膨胀、胀差、轴向位移、各瓦温度的变化,就地加强检查听音,必要时测量轴承盖振动。
3、正常运行中加强对高压轴封温度的监视调整,辅汽至轴封供汽调门运行中保持5%左右开度,当高压轴封温度降至180℃时应及时开大辅汽至轴封调门15%左右进行疏水(不超过15%),待温度升至200℃以上,关小调门至5%。正常运行中应保持润滑油温在40~44℃,低压轴封压力在35KPa左右;当轴振有明显上升趋势时,可先通过提高轴封压力(将低压轴封压力缓慢升至41KPa)进行观察,若轴振能稳定并逐渐恢复正常,则当轴振恢复正常后再将轴封压力恢复至正常值。
4、若调整轴封压力无效,当振动上升至80um时,可启动一台顶轴油泵观察运行。
5、若启动顶轴油泵后轴振仍继续上升至110um时可启另一台顶轴油泵观察运行。
6、当振动继续上升至130um时,可启动交流润滑油泵观察运行,若继续上升,应汇报中调、相关专业技术人员及领导,解除AGC,并以5MW/min速率降低机组负荷(同时适当减无功),并加强就地听音检查等工作,同时加强瓦温、胀差、轴向位移等参数的变化,若轴位移、瓦温等参数或就地伴随有明显变化时,应破坏真空紧急停机。
7、当振动继续上升至140um时,可启动直流润滑油泵观察运行。
8、若振动达到180um以上时应检查汽机保护动作跳闸,同时紧急破坏真空;若保护未动作,应加强瓦温、胀差、轴向位移及其他瓦轴振等参数的变化,若轴位移、瓦温等参数或就地伴随有明显变化时,应立即破坏真空紧急停机。
9、加强间歇性轴振的现场运行分析及判断,若轴振发生突变等异常恶化工况时,要始终以确保设备安全的原则紧急停机进行处理,并在事故处理过程中防止事故扩大。
10、当振动大紧急停机后,一般应立即破坏真空,防止因转子惰走过程中的振动恶化或增大,同时要确认润滑油泵、顶轴油泵、盘车的可靠运行,检查润滑油压、顶轴油压正常,各瓦温及各缸差胀、轴位移等参数正常。
11、严格执行顶轴油泵,润滑油泵及盘车电机的定期试验,确保可靠备用。
12、检查盘车工具放置齐全,若转子停运后不能连续盘车,应及时组织手动盘车。
13、检查柴油发电机备用良好,确保保安段及直流电源的可靠供电。
(来源:火电厂技术联盟)
Severity: Notice
Message: Use of undefined constant APP_ID - assumed 'APP_ID'
Filename: database/translate.php
Line Number: 64
Backtrace:
File: D:\database\translate.php
Line: 64
Function: _error_handler
File: D:\wwwroot\jzbearing.com\application\views\news\knowledgePage.php
Line: 45
Function: lang
File: D:\wwwroot\jzbearing.com\application\controllers\news.php
Line: 248
Function: view
File: D:\wwwroot\jzbearing.com\index.php
Line: 315
Function: require_once
Severity: Notice
Message: Use of undefined constant APP_ID - assumed 'APP_ID'
Filename: database/translate.php
Line Number: 69
Backtrace:
File: D:\database\translate.php
Line: 69
Function: _error_handler
File: D:\wwwroot\jzbearing.com\application\views\news\knowledgePage.php
Line: 45
Function: lang
File: D:\wwwroot\jzbearing.com\application\controllers\news.php
Line: 248
Function: view
File: D:\wwwroot\jzbearing.com\index.php
Line: 315
Function: require_once
Severity: Notice
Message: Use of undefined constant SEC_KEY - assumed 'SEC_KEY'
Filename: database/translate.php
Line Number: 69
Backtrace:
File: D:\database\translate.php
Line: 69
Function: _error_handler
File: D:\wwwroot\jzbearing.com\application\views\news\knowledgePage.php
Line: 45
Function: lang
File: D:\wwwroot\jzbearing.com\application\controllers\news.php
Line: 248
Function: view
File: D:\wwwroot\jzbearing.com\index.php
Line: 315
Function: require_once
Severity: Notice
Message: Use of undefined constant APP_ID - assumed 'APP_ID'
Filename: database/translate.php
Line Number: 64
Backtrace:
File: D:\database\translate.php
Line: 64
Function: _error_handler
File: D:\wwwroot\jzbearing.com\application\views\news\knowledgePage.php
Line: 45
Function: lang
File: D:\wwwroot\jzbearing.com\application\controllers\news.php
Line: 248
Function: view
File: D:\wwwroot\jzbearing.com\index.php
Line: 315
Function: require_once
Severity: Notice
Message: Use of undefined constant APP_ID - assumed 'APP_ID'
Filename: database/translate.php
Line Number: 69
Backtrace:
File: D:\database\translate.php
Line: 69
Function: _error_handler
File: D:\wwwroot\jzbearing.com\application\views\news\knowledgePage.php
Line: 45
Function: lang
File: D:\wwwroot\jzbearing.com\application\controllers\news.php
Line: 248
Function: view
File: D:\wwwroot\jzbearing.com\index.php
Line: 315
Function: require_once
Severity: Notice
Message: Use of undefined constant SEC_KEY - assumed 'SEC_KEY'
Filename: database/translate.php
Line Number: 69
Backtrace:
File: D:\database\translate.php
Line: 69
Function: _error_handler
File: D:\wwwroot\jzbearing.com\application\views\news\knowledgePage.php
Line: 45
Function: lang
File: D:\wwwroot\jzbearing.com\application\controllers\news.php
Line: 248
Function: view
File: D:\wwwroot\jzbearing.com\index.php
Line: 315
Function: require_once