Suction drum-type seed metering device with auto-cleaning block of transplanter for tray grown rice seedling

8 unit of Guangzhou Hengyun Power Plant was unable to meet the measurement and control requirement,and it had been replaced by FLⅡ type air flow measurement device with soot self-cleaning and anti-blockage function at the unit overhaul.

Especially aiming at the clogging of the engineering storage bins,analyzes the clogging cause and the doming mechanism and puts forward a mechanical clogging breaking method.

The Experience Research of the Self-circulation Self-cleaning Evaporators of High Efficiency;

Research of Self-cleaning Technique of Crystallizing Salt Adhered to the wall of Heating Tube in Salt Evaporator;

Dynamics Research on the Driving Force Moment of the Self-cleaning Twisted Strip with Inlet Contrarotation Enhancement and Engineering Application;

A kind of automatic cleaning technical equipment centered on the technology of a high-pressure water jet was introduced in the paper.

The paper discusses the present situation of cleaning equipment for high-speed trains in both China and foreign countries, introduces the research results of the automatic cleaning equipment for the high-fast-speed motor train unit, and analyzes the flowchart, brush sets, automatic control system and their successful utilization in the engineering practice.

This paper introduced the cleaning process of wastewater filter in high-temperature superconducting magnetic separation for purification of wastewater, and designed the fully automatic cleaning system of the wastewater filter based on PLC.