This part of DL/T 805 gives the principles and control indicators for feed water treatment during operation and startup of thermal power generating units. This part of DL/T 805 is applicable to the feed water treatment of drum boilers with superheated steam pressure of 3.8MPa (gauge pressure) and above and once-through boilers with 5.9MPa (gauge pressure) and above. This part of DL/T 805 does not apply to the feed water treatment of gas-steam combined cycle units.
DL/T 805.4-2016 Referenced Document
DL/T 1358 Analytical methods of steam and water in power plants determination of total organic carbon
DL/T 502.20 Analytical methods of steam and water in power plants Part 20: Determination of dissolved oxygen(Colorimetric method using sodium indigo disulphonate)
DL/T 502.29 Water Vapor Analysis Methods for Thermal Power Plants Part 29: Determination of Hydrogen Conductivity
DL/T 954 Analysis of water and steam in fossil fuel power plant Determination of fluoride, acetate, formate, chloride, nitrite, nitrate, phosphate and sulfate by ion chromatography
DL/T 955 Test methods for water and steam in thermal power plants Determination of copper and iron Atomic absorption spectrophotometry*， 2016-12-01 Update