Study on pre-mixed air spraying system;

The double fluid fume spraying system was used in reconstruction of the cooling system of 1000 m3 blast furnace gas of Maanshan Iron & Steel Co.

This paper proposes several methods and measures of the improvement of spraying system in Model EBZ- 120 tunneller, which used in most coal mines throughout our country, according to the questions arising in the application of it.

Failures tree and reliability analysis of roadheader spray system;

Improvement on outer spray system of EBH-120 Roadheader;

This paper introduces the dedusting principle of the spray system of roadheader, and the problem existed in the spray system of EBZ-160 Roadheader, brought forward the suggestion on the technological improvement on the spray system of EBZ-160 Roadheader to improve the dedusting effect to meet the requirement of modernistic coal mine.

The stationary water spray fire-extinguishing system is adopted for the main transformer of Gongboxia Hydropower Station in compliance with the requirements of “Fire Protection Code for Design of Water Resources and Hydropower Engineering”(SDJ278-90) and “Design Code of Water Spray Fire-extinguishing System”(GB50219-95).