概述锅炉排污的意义、排污与节能的关系和定期排污的操作技术要点等。
Significance of boiler blowdown, relationship of blowdown and energy-saving and key points of operation technology are described.
锅筒的紧急放水及锅炉的各种疏放水亦通过排污管路接入定期排污扩容器。
Drum's emergency water drainage pipes and boiler's other water drainage pipes will also be connected with intermittent flash evaporator via blowdown pipelines.
分析了利用继电器实现锅炉定期排污控制系统存在的问题，阐述了采用PC机改进后的该系统控制过程及特点。
Analyses problems of boiler regularity blow down control system which is controlled by relay, describes control process and characteristic of the system using PC.
理想中的城市还应该一尘不染，有着新铺设的排污排水管道，街道则由环卫工人定期大清扫。
And this city would be spotless, with fresh-laid sewage pipes, fresh-dug drains, and an army of workers to deep-clean the streets on a regular basis.
定期对沉淀池排污情况进行检查，保证排污达标。
Sedimentation tank's discharging capacity shall be regularly inspected to keep in level with standards.
管道过滤器在运行过程中必须定期停车清洗、排污，往往影响系统设备长周期运行。
The pipe filter must be shut down for cleaning and drainage regularly during its operation, and this usually interferes with the long-period operation of the equipment in the system.
管道过滤器在运行过程中必须定期停车清洗、排污，往往影响系统设备长周期运行。
The pipe filter must be shut down for cleaning and drainage regularly during its operation, and this usually interferes with the long-period operation of the equipment in the system.
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