Year-end summary of power plant employees

I. Safety management Safety management is a constant unremitting work. In XX, the thermal engineering profession always adhered to the idea of ​​“safety first, people-oriented”, safety production is above everything else, and safety production is the top priority. The staff realized that it is our own need to do a good job of safety. In the course of work, we must explain the safety measures while arranging work, and pay attention to the implementation of safety measures, and carry out maintenance and maintenance of the equipment on the premise of ensuring personal safety and equipment safety. Therefore, in the XX year, there were no serious accidents such as personal injury, minor injuries, equipment damage, etc., and the completion rate of the “two measures” plan was 100%. 1. Strengthen supervision and management of overhaul of important equipment. In XX years, in order to ensure that equipment damage and protection caused by human factors are not caused, we professionally set strict regulations on the maintenance of important equipment, and carry out maintenance work on important protection and equipment systems in high-altitude operations. The branch management personnel must participate in the whole process of monitoring; for the project-level and sub-field-level control projects, “*” acceptance must be carried out on site to ensure the correctness of the protection action and the reliability of equipment maintenance. 2. The management of “two tickets and one single” in the strict working process, and strengthen the role of the dangerous point prediction card in the maintenance work. In XX, we strengthened the whole process of “two votes and one order” to ensure the implementation of “two votes and one order” in the overhaul work; in order to solve the safety hazards in the maintenance process, we improved the pre-content of dangerous points. List the dangerous points and control measures for personal injury and equipment damage that may occur during each work process. Through two measures, one is to ensure the safe operation of the unit during the maintenance process, and also to ensure the safety of the maintenance personnel and equipment during the maintenance process. Strictly implement the work ticket system, strengthen technical training, and protect the whole with technology; strengthen the training of work ticket issuers and work leaders to ensure the correctness of the safety measures listed in the work ticket; increase the assessment of unqualified work tickets, It completely eliminates the phenomenon of past alteration and signing of work tickets, so that the whole process management of the work ticket from filling out, issuing, licensing, and ending the work to the refund process is carried out according to the standardized management system, thus ensuring the safety of the maintenance work. 3. Strengthen the staff's study of safety regulations and related regulations and systems, and implement the “Safety Regulations” and “Procedures” examinations, so that employees can guide our on-site maintenance work in accordance with the requirements of procedures and regulations during the maintenance process. In XX, employees were organized to study safety regulations, safety work regulations, accident investigation procedures, and fire protection. At the same time, many exams have been organized, and those who fail the exams are not allowed to work. In XX, we strive to standardize and institutionalize our on-site maintenance work, use procedures and systems to guide our overhaul work, try to avoid arbitrariness in work; conscientiously implement the safety responsibility system, clearly define the division director and team leader It is the first responsible person of the department's safety, clearing the safety responsibilities and conscientiously fulfilling it; establishing and perfecting the safety guarantee network for the sub-field, ensuring the communication and communication of safety production information and safety production instructions, and ensuring the implementation of various safety production instructions. Unblocked. 4. Strengthen the analysis of abnormalities and failures. In the past XX years, the squad has established a special management system for abnormalities and failures in the past XX years. The responsible team must print out the historical trend chart and soe report within 12 hours, adhere to the principle of “three not letting go”, and be presided over by the safety supervision department or the safety expert of the branch, and hold an analysis meeting in time to upload the analysis report to Mis online heating team and other relevant departments of the whole factory to learn. 5. Seriously carry out safety inspection activities, and formulate rectification measures for the unsafe factors and safety hazards exposed during the inspection. The rectification measures list the person in charge and the completion time of the project, and check the rectification situation after the completion of the project. Assessment. 6. Carry out good safety evaluation work, carry out self-examination of the equipment under its jurisdiction, propose corrective measures and plans for the problems, implement the responsibility to the people, and carry out rectification according to the requirements of counter-measures, and review at the factory level. 7. Adhere to the regular work and carry out a lot of work, including the usual maintenance and maintenance work, all carried out in the form of regular work. Therefore, we have done a good job of regular work, and we have also grasped the foundation of the entire thermal work. In order to ensure the safe operation of the unit, in view of this idea, we have invested a lot of manpower and material resources in the development of regular work. Specifically, there are the following aspects: 1) Adhere to the calibration work of the protective pressure switch, primary component and protection relay and instrument. 2) Persist in regular verification of important parameters. Such as coal scales, economic parameters. 3) For the work of the dcs system, adhere to the guidance of the dcs system maintenance and repair guide, according to the actual situation of the dcs system of our factory, specify the corresponding measures, insist on a daily inspection, and make a record, pass the inspection, It can detect abnormalities in time and deal with them in time. At the same time, in the case of shutdown and shutdown, the dcs system is thoroughly maintained and various tests, including various redundancy, switching tests and sanitary cleaning, to ensure reliable operation of the dcs system. 4) Conduct regular inspections of field devices. 5) Regular purge of the furnace negative pressure sampling line. 6) Automatic disturbance test, verify the reliability of the automatic adjustment system by performing the disturbance test, verify its adjustment index, and find out the existing problems. At the same time, in the daily maintenance work, increase the automatic maintenance to ensure the automatic input rate. Therefore, in XX, the automatic input rate of our factory exceeded 90%. 8. Make timely renovations to equipment and systems that endanger the safe operation of the unit. For example, if there is no fire signal in the boiler boiler in Weibei, we will reset the delay of the fire detection probe and the card according to the actual situation; modify the sampling pipeline of the fire detection cooling fan pressure; The discussion and improvement were carried out to ensure the correct operation of the bypass protection; the main equipment protection and auxiliary machine protection system of Jinsha #3 and #4 were thoroughly modified; the sampling of the water level of Jinsha #4 furnace did not meet the "Twenty Five counter-measures require timely rectification. In short, the timely modification of the equipment in the equipment that jeopardizes the safe operation of the unit ensures the safe and stable operation of the unit. 9. Strengthen the management of defects on the field equipment 1) Check the defects every day to ensure that the defects of Class iii equipment can not be eliminated for more than 8 hours. 2) For the defects involved in the shutdown and important protection, the participants will participate in the whole process and carry out effective monitoring to ensure that the accident will not be stopped or the equipment will be damaged due to human reasons. 10. Strengthen the management of dcs system 1) Further implement and implement the “Administrative Measures for Thermal Power Automation and Protection Devices of Guizhou Power System”, “Measures for the Evaluation and Evaluation of Thermal Technology Supervision”, “Specifications for Analog Adjustment mcs Disturbance Test”, “DCs Maintenance” Maintenance guidelines and other thermal engineering supervision and regulation, so that supervision and management work is more standardized and more scientific. Strengthen the establishment of procedures and rules and regulations. Do a rule to follow and follow the rules. 2) Established the “Regulations on the Modification of Thermal Logic Programs, Bottoms and Thermal Interlock Tests”, which stipulated various irregular behaviors that occurred during the logical installation process of thermal workers, and standardized the logic. The steps, conditions, etc. of the downloading process effectively control the problems that may arise from the logic downloading. 11. According to the requirements of the XX Thermal Engineering Supervision Conference, in XX years, on the basis of the anti-accident measures in XX, the contents and requirements of the “25 Key Requirements for Preventing Major Electric Accidents” were carefully studied and Analysis and in combination with the actual situation of our factory, the rectification measures have been formulated. The safety supervision department and the biotechnology department are responsible for regularly checking and assessing the completion of the rectification measures, striving to complete the rectification at the fastest speed and in the shortest time to improve equipment safety. Level, thermal engineering professional rectification content and completion status as follows: XX thermal engineering professional anti-accident rectification measures and completion status table No. of project content and requirements to complete the situation 1 to prevent dcs failure and thermal protection to refuse to accident 1, adhere to the heat Regular verification work for control protection relays, strict implementation of "thermal control protection relay verification system" Strict implementation of regular calibration system 2, XX July, repair 300mw "thermal control protection test method" has been completed 2 to prevent steam drum Water and water shortage accidents Formulate a plan to realize the three-two judgment logic of the drum water level protection. Jinsha #1~4 furnace has achieved 3 to prevent generator damage accidents. The stator coil temperature and the stator coil water outlet temperature are changed to the field bus bar mode, and the coil temperature and the outlet water temperature and the temperature difference alarm function are added. 2. The temperature difference between the highest and lowest temperature of the stator bar is 8 °C, or the temperature difference between the stator bar and the outlet pipe is 8 °C, and should be alarmed. The Jinsha #1~4 units are equipped with a digital mining system to achieve this function. 4 Prevent turbine shaft bending and bearing burn accidents. Change the cylinder temperature gauge to the way of the field busbar, and make the metal wall temperature curve and the upper and lower cylinder wall temperature difference alarm function. The Jinsha #1~4 units are equipped with a digital mining system to achieve this function. Second, thermal instrumentation, automatic, protection situation 1, thermal inspection instrument XX years, according to the weekly inspection plan for all expired instruments, XX from January to October for 125mw unit weekly inspection instrument 1960, qualified 1950 pieces, the weekly inspection pass rate is 99.49%; the instrument sampling 200, qualified 200, the pass rate is 100%, the das test point is 200 points, the pass is 200 points, the pass rate is 100%; the self-test standard instrument sample test 5, qualified The rate is 100%; from January to October of XX, the sampling point of the 300mw unit das is 120 points, the pass is 120 points, and the pass rate is 100%. In November XX, we improved the "Management Measures for the Classification of Thermal Control Instruments" and are now in the process of validation. 2. The thermal engineering automatically cuts off to October XX. The number of automatic adjustment system sets of 125 units in our factory is 85 sets, and the actual input is 85 sets. The average automatic input rate from January to October is 100%; 300mw units #1 and 2 units are automatically invested. The rate is 100%. In XX, on the basis of an average of 100% automatic input rate in XX, our factory continued to adhere to the work goal of 100% input rate, strengthened the supervision of the automatic defect prevention work of thermal engineering, and strengthened the thermal engineering profession. The technical training of personnel makes the automatic defects that cannot be handled by the night shifters can be solved in the night shift, which improves the efficiency of elimination and the rate of automatic input. The thermal control automatic disturbance test was continued, and three automatic adjustment system disturbance tests were carried out in March and June, respectively. The parameters of the system with unsatisfactory quality were optimized, and the quality of the automatic adjustment was continuously improved. Low opportunity, the load disturbance test of #1~#4 unit was carried out. The test was carried out with 3% rated load change rate and 5% rated load change rate. The indicators in the test met the requirements of the test specification. The load adjustment between 70% and full load is to automatically increase or decrease the load by coordination, which greatly reduces the labor intensity of the operating personnel, improves the working efficiency of the operating personnel and the level of automation of the unit. 3. Thermal protection XX From January to October, all the thermal protection of our factory was invested, the input rate was 100%, the thermal protection device was 100%, and the thermal protection action was 98%. The protection and excision shall be carried out in strict accordance with the requirements of Article 25 of the “Administrative Measures for Thermal Power Plants and Protection Devices of Thermal Power Plants” issued by the Ministry of Health, and the whole plant protection shall be put into operation in the random operation of the main equipment, and no more than 48 hours occurred throughout the year. The above host protects the cut. In XX years, the protection and cutting account was established for the 300mw unit, and the protection and switching were strictly managed. In October XX, the thermal protection values ​​of Weibei and Jinsha were revised. According to the actual situation of thermal protection fixed value revision, the fixed value revision of the mainframe protection was approved by the deputy director, and the other auxiliary machinery were protected. The fixed value revision is approved by the in charge of the general manager. When the new fixed value is revised, a large number of equipment specifications are consulted and a sufficient on-site investigation is conducted to ensure that the thermal protection meets the actual situation on the premise of ensuring the safe operation of the equipment. Actively implement the spirit of the XX year power system thermal supervision work conference, in accordance with the "thermal control protection relay verification procedures", the use of the opportunity to stop the shortage of the thermal control protection relays of each unit has been verified and formed regular work, improve The reliability of the protection relay operation; the 3300, 3500 system protection transmission test system is formulated, and the actual transmission test is carried out by using the speed calibration table and en200 for the speed, axial displacement and high and low cylinder expansion difference when the unit is repaired or eliminated. The system protects the system from measurement to display, alarm output to protection action, and tests the transmission of high and low cylinder expansion to ensure protection reliability. The "300mw unit protection interlock test method" was revised. The principle of the new protection test method is to try to simulate the actual operation and reduce the number of movements and equipment of the equipment under the premise of ensuring the comprehensive and reliable test items and contents. Life expectancy, new test methods have been put into use, and have achieved good results in improving protection reliability. At the same time, after introducing dcs into the Jinsha #4 furnace fire protection system, the "Jinsha #4 unit thermal control interlock protection test method" was compiled. III. Improve the work of the measurement and testing system: In September XX, the management manual of the measurement and testing system and the file system of the measurement system were completed. In October XX, through the joint efforts of the whole plant, our factory passed the iso10012 measurement and inspection system organized by the Provincial Quality and Technical Supervision Bureau. The problems found in the review, my major was completed before November 10. IV. Personnel forensics and training In order to further improve the verification level of thermal measurement personnel, on the basis of those who have obtained the qualifications for measurement verification in the past, continue to send maintenance personnel to collect evidence, and further increase the number of evidence collection projects for forensic personnel. The forensic project involves secondary instruments of speed, temperature and pressure, thermal resistance, thermocouple, electronic balance bridge, industrial pressure gauge below level 1, standard pressure gauge below 0.25, etc., which fully meet the production needs. In the XX year, the forensic examination personnel will be assigned 12 people to participate in the forensic examination to ensure the continuity of the evidence collection. Strengthen personnel training, especially to carry out differential training, and continuously improve the technical level of maintenance personnel. In terms of training work, on the basis of ensuring the quality of monthly technical training and examination and interpretation activities, we have strengthened the training of the actual working ability of employees, mainly adopting on-the-spot explanations and practical operation examination methods, and dispatching technicians in separate sessions. Form an examination group, carry out the downsizing training for the thermal workers with poor technical business and conduct regular examinations. Those who pass the qualifications will be restored to the ranks and returned to the posts deducted during the training period. Those who fail will continue to drop the training and deduct the last postgrading training. The rank of the period. We also held a symposium on the recent technical focus and difficult issues, and discussed with the team members, so that everyone can use their brains to express their opinions, so that the usual and unexpected problems and some work details can be discussed and exchanged. It involves, through communication, mutual promotion, to achieve the goal of continuously improving the technical business level. V. Equipment Management While doing a good job in safety management, we have increased the management of equipment to ensure that the elimination of defects in Class iii equipment cannot be exceeded for more than 8 hours, major defects and difficult problems are involved in the whole process, and the system is not active. The transformation is carried out to ensure the safe and reliable operation of the unit. In addition, the quality inspection of the #3 and #4 units of the Weibei was strengthened to ensure the integrity of the handover equipment. Mainly completed work XX, we successfully completed the shutdown of Jinsha #1, #2, #3 units 1 time, Jinsha #3, #4 unit overhaul, Yubei #1, #2, #3 The unit's shutdown was reduced 2 times, the Weibei #2 unit 1 minor repair, and the Weibei #4 unit 168h after the shutdown was eliminated. The main tasks of the thermal engineering profession are as follows: 1. According to the needs of the unit operation, many unreasonable logics in the 300mw#1-#4 unit dcs system have been continuously changed. 2. The 300mw unit furnace negative pressure sampling device was modified to facilitate maintenance and ensure the correct operation of protection. 3. Change the bypass protection logic of the 300mw unit several times to make the correct operation rate of the bypass protection reach 100%. 4. Reform the pressure sampling tube of the 300mw unit fire detection cooling fan. The original design is that the three pressure switches share one sampling point, which does not meet the principle of thermal protection sampling. Now changed to three sampling points corresponding to three pressure switches, ensuring the correctness of the protection action to ensure the correct action of protection. 5. Change the control mode of the 300mw unit #3, #4 fire detection cooling fan, from local control to dcs control. 6. Hold a thermal conference to stipulate the parameters of the fire detection system of the Yubei Power Plant. For the probe, the “no fire reverberation time” is set to 3 seconds, and “see the fire reverberation time” is set to 2 seconds; For the handling of the card, the "no fire reverberation time is set to 4 seconds"; the fire threshold value on the fire detection processing card is set to 150, and the no fire door threshold is set to 100. After the above changes, the correctness of the "full furnace without fire" protection action is effectively controlled for the current characteristics of poor coal quality. 7. Reformed the industrial TV surveillance of Jinsha #1 and #4 furnaces and flames to ensure that the operation is not extinguished. 8. The Jinsha #1-#4 furnace fire protection disk was rehabilitated to ensure the correct action of protection. 9. The small-axis axial displacement probe mounting bracket of the Yubei #1-#3 unit was modified, and the original copper bracket was replaced with a steel bracket to ensure the correctness of the measurement, thus ensuring the correct action of the axial displacement protection. 10. The deh logic of the Yubei #1 and #2 units has been improved to ensure the success of the fuel injection test and valve activity test. 11. The installation and commissioning of the tdm of the expert diagnosis system of the #1#4 machine in the north of the country was completed. 12, Jinsha #1-#4 machine feed pump spoon tube actuators have all been changed to Siemens actuators. Since the transformation of the XX Jinsha #1 machine to the pump, this type of actuator has been very reliable, with very little maintenance and good adjustment effect, saving a lot of maintenance costs. 13. Completed the fireproof sealing of the thermal control cable tray of Jinsha and Yubei Power Plant. 14. Completed the rb logic modification of Yubei Power Plant and passed the test. 15. The transformation of the Weibei #2-#4 machine small machine speed measurement system was carried out. 16. The Jinshacang pump system has poor ash conveying, and now its ash logic is changed to: when the sump is not ash, the sump pump can be filled with ash. 17. Completed the minor repair of Jinsha #2 unit. The main items are: dcs engineer station regular test; protection switch check; instrument expiration check; equipment line management; steam machine door switch switch replacement; start side disk side pressure switch Post-pressure gauge tube leakage treatment; AC contactor replacement and defect elimination in boiler power supply panel. 18. From June to July XX, the overhaul of the Jinsha #4 unit was completed. This overhaul, thermal work has a large workload, and many renovation projects are the first major repairs of the main overhaul line with the thermal progress. The main projects are: ets system transformation; auxiliary machine protection system overhaul; 3300 system overhaul; additional data collection System; overheating of Wawen components and installation of Watt-temperature jumper protection; modification of thermal control panel and table; installation of four-tube leak detection system; modification of fsss system; modification of fire detection system; transformation of ignition gun and oil gun control system; Powder warehouse level gauge overhaul; cylinder wall temperature overhaul; engineer station regular test project; A, B side steam drum water level electric contact measuring cylinder changed to single chamber balance container, water level high, low action mft signal judged in dcs; 4 machine #6 bearing installed with a vibration probe. 19. From August to September XX, the overhaul of the Jinsha #3 unit was completed. The main projects are: ets system transformation; auxiliary machine protection system overhaul; 3300 system overhaul; Waten component overhaul and installation of WIFI jumper protection; thermal control panel, Taiwan transformation; installation of four tube leak detection system; cylinder wall temperature overhaul; Station periodic test project; installation of induced draft fan bearing vibration monitoring system; turbine bearing pad to increase temperature measuring point and tripping machine protection; main steam guiding pipe installed wall temperature measurement; addition of steam turbine 6-channel bearing vibration detection; The differential and axial displacement probes are used to adjust the installation position of the electric dust removal level gauge; the dcs picture is perfected. Problems with the equipment The problems existing in the equipment are mainly manifested on the 300mw unit. Because it is a new production unit, the first is that we have not yet technically solved it. The second is the problems left by the infrastructure. The main ones are: 1. The air volume measurement of the boiler in Weibei The device is easy to block, although it is often purged, but it is quickly inaccurate, causing the air supply to operate without mft protection. 2. The air volume of the No.1 and #2 furnaces in the north of the country has been inaccurate. 3. The continuous detection device for the flue gas in Weibei has not been used normally. 4, Yubei #3 fuel flow meter has been inaccurate. 5. The northeast #3 furnace electric contact water level gauge has always had a large deviation on both sides. 6. The feedback device of the gas control door in the Weibei Water District has not been handled well. 7, North Hebei hydrogen humidity meter has been inaccurate. 8. The fault of the hydrogen dehumidifier in the #1 machine of Weibei is frequent, and it is ready to change from air-cooled to water-cooled. 9. The flowmeter of Weibei Chemical is basically not allowed. 10, Yubei #1, #2dcs history station can sometimes not record soe and operation records, but also often need to manually clear historical data. 11, 黔北#3, #4dcs hardware is too bad, often the card channel is broken or the card is offline, causing an accident. 12, Yubei #1, #2 furnace sleeve damper and Jindian secondary wind small damper due to the installation location temperature is high, dust, coupled with poor quality of its own equipment, frequent failures. Insufficient with the commissioning of the 300mw unit, on the one hand, our understanding of the new equipment is not enough, the technology is not enough; on the other hand, there are many problems in the new equipment itself; plus the safety awareness of the personnel It is weak, the responsibility for work is not strong enough, and the rules and regulations are not observed, resulting in the protection of human responsibility. Mainly: 1. During the start-up process of the #3 machine in Weibei, the alarm value of a broken coal signal was modified. In the case of no request, the incremental download was carried out, but the download was unsuccessful. Cause protection action. The final analysis is that the file is in the read-only attribute, and the download is easy to cause communication interruption; after the global download, the "black furnace" action caused by the grinding group is caused. On the one hand, we are not complying with the rules and regulations to be requested, on the other hand, the manufacturers are not familiar with their own systems, and the logic is not perfect, resulting in the flameout of the boot process. 2. When the temperature of the d-milling temperature of the #1 furnace is not correct, the signal is forced, but the point of the a-grinding is forced, and the d-milling is stopped when the temperature-measuring component is inspected. It shows that our personnel are not strong in responsibility, and have not carefully checked and checked the logic, causing the mill to stop by mistake. 3. Periodically purging the negative pressure sampling pipeline of the #2 furnace in the north of the country. When the furnace negative pressure is high and the low action mft is removed, the two points in the door are mistakenly deleted, so that the AND gate becomes 1, protection. action. It shows that our personnel are not familiar enough with the new system and new equipment, and we still need to strengthen our study. VI. Overview: Although the thermal supervision work in the XX years has achieved good results, the achievements are in the past, and we still face many difficulties: the commissioning of new units, the problems left by the infrastructure, and the renovation of equipment. In XX, we will demand ourselves with higher standards. First-class management, first-class technology, and first-class personnel quality will make the thermal supervision work take a higher step for the safe production of our factory. “West-to-East Power Transmission” has made due contributions to the development of the power industry.