Precautions for desulfurization operation after maintenance?
1、严格执行《脱硫系统操作规程》。
1. Strictly implement the operation regulations of desulfurization system.
2、加强除雾器冲洗
2. Strengthen the flushing of demister
暂定90分钟冲洗一次，注意脱硫塔液位，不要溢水，可适当排空。
It is tentatively scheduled to flush once every 90 minutes, pay attention to the liquid level of desulfurization tower, do not overflow, and drain properly.
The pH value is normally controlled between 5.5 and 6.3. Strictly prevent the pH value from exceeding 68. Strictly control the operation when the pH value is lower than 5.5. Manually measure the pH value in each shift and compare the accuracy of pH meter display.
4、加强压滤
4. Strengthen pressure filtration
每班必须压滤，压滤时间不低于15小时或石膏厚度不超过1厘米。
Each shift must be pressure filtration, pressure filtration time is not less than 15 hours or gypsum thickness is not more than 1 cm.
5、控制脱硫塔液位
5. Control the liquid level of desulfurization tower
正常控制在3.5至4.2米，严谨低于3.5米或高于4.3米运行。
The normal control is 3.5 to 4.2 meters, and the operation is strictly lower than 3.5 meters or higher than 4.3 meters.
Keep the liquid level of slurry supply tank, process water tank and flushing water tank between 1.5m and 2.5m, and make up water for flushing water tank in time, so as to ensure the flushing water for mist eliminator;
In case of any abnormal situation, report to the workshop director and environmental protection engineer in time, such as abnormal current change of each pump, flue gas pressure at the inlet of desulfurization tower, water level of each pool, etc; When the following parameters reach the corresponding data values, the desulfurization tower shall be overhauled.
8、加强设备巡检
8. Strengthen equipment inspection
保证供水压力，确保设备冷却水正常；查看运行设备油位是否正常；查看
Ensure water supply pressure and normal cooling water of equipment; Check whether the oil level of running equipment is normal; see
运行设备有无异因等。如有问题及时解决，解决不了及时汇报车间主任及环保专工；
Whether there are any abnormal reasons for the operation of the equipment. If the problem is solved in time, report to the workshop director and environmental protection engineer in time;
9、加强除灰运行，严谨布袋旁路运行。
9. Strengthen the operation of ash removal and strictly control the operation of bag by-pass.
10. Equipment maintenance: standby pumps for mist eliminator flushing water pump, process water pump and sump pump shall be prepared. When the pump fails during operation, it shall be replaced and put into operation within 3 hours. The maintenance workshop shall deal with the equipment defect immediately after receiving the notice of equipment defect.
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2021-06-30
鲁公网安备37011202000764号号