DL/T 805.4-2016: Guideline for cycle chemistry in fossil plants - Part 4: Feedwater treatment

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Scope

This part of the DL/T 805 gives the principles and control indicators for the
treatment of feedwater during operation and startup of thermal generator set.
This part of DL/T 805 is applicable to the feedwater treatment of the steam drum
boilers with superheated steam pressures of 3.8 MPa (gauge pressure) and
above as well as the direct flow boilers of 5.9 MPa (gauge pressure) and above.
This part of the DL/T 805 does not apply to the feedwater treatment of gas-
steam combined cycle units.

Basic Data

Standard ID	DL/T 805.4-2016 (DL/T805.4-2016)
Description (Translated English)	Guideline for cycle chemistry in fossil plants - Part 4: Feedwater treatment
Sector / Industry	Electricity and Power Industry Standard (Recommended)
Classification of Chinese Standard	F23
Word Count Estimation	11,160
Date of Issue	2016-02-05
Date of Implementation	2016-07-01
Older Standard (superseded by this standard)	DL/T 805.4-2004
Quoted Standard	GB 536; GB/T 631; GB/T 6904; GB/T 6906; GB/T 6909; GB/T 12149; GB/T 12155; GB/T 13689; GB/T 14427; DL/T 502.20; DL/T 502.29; DL/T 954; DL/T 955; DL/T 1358; HG/T 3259
Regulation (derived from)	National Energy Board Notice No. 2 of 2016; Industry Standard Record Announcement No. 2016 of 2016 (No. 197)
Issuing agency(ies)	National Energy Administration