UDC B NationalStandardofthePeople'sRepublicofChina P GB/T50109-2014 Design codefor softening and demineralization ofindustrialwater 工业用水软化除盐设计规范 (English Translation) Issuedate:2014-12-02Implementationdate:2015-08-01 Issued by theMinistry of Housing and Urban-Rural Developmentof the People'sRepublicof China theGeneralAdministrationofQuality Supervision Inspection and Quarantine of thePeople'sRepublicof China
NationalStandardofthePeople'sRepublicofChina Designcodeforsofteninganddemineralization ofindustrialwater GB/T 50109-2014 Developed by: China ElectricityCouncil Approved by: Ministry of Housing and Urban-Rural Development of the People's Republic of China Implementationdate: August 1 2015 China Planning Press 2014 Beijing
Contents Foreword... 1General provisions. 2Terms.... 1 3Water treatment station... 2 3.1General requirements.... 2 3.2 Equipment layout. 2 3.3 Piping layout. 4 4 Softening and demineralization.. ..5 4.1 General requirements.. .5 4.2Softening and pre-desalination system. 8 4.3 Demineralization system.. 4.4 Lime softening and ion exchange equipment.. ..14 4.5 Membrane processing device... ...7. 5Storage and metering of chemicals ...19 5.1General requirements. ..19 5.2 Lime system.. .21 5.3Coagulant and coagulant aids system.. ..21 Acid and alkali system... .22 5.5 Sodium chloride storage and dissolving system ..23 5.6Nanofitration reverse osmosis dosing system. ..3 5.7Membrane cleaning system... ..23 6Control and instruments. ..4 Annex A Water plete analysis report form. ..27 Annex B Reference parameter for ion exchanger design. ...28 Explanation of wording in this code. 96 List of quoted standards 37
AnnouncementoftheMinistryofHousingand Urban-RuralDevelopmentofthePeople's RepublicofChina No.643 Announcementof the Ministryof Housing and Urban-Rural Development of thePeople'sRepublicof China onPublishing theNational Standard Designcodeforsofteninganddemineralizationofindustrialwater Design code for softening and demineralization of industrial water has been approved as from August 1 2015. The former national standard GB/T 50109-2006 Design code for softening and demineralization of industrial water shall be abolished simultaneously. Authorized by the Research Institute of Standards and Norms of the Ministry of Housing and Urban-Rural Development of the People's Republic of China this code is published and distributed by China Planning Press. China December 2 2014
Foreword This code is revised from the former national standard GB/T 50109-2006 Design code for softening and demineralization of industrial water by Northwest Electric Power Design Institute Co. Ltd. (NWEPDI) of China Power Engineering Consulting Group jointly with organizations concermed in accordance with the requirements of Document JIANBIAO [2012] No.5 issued by the Ministry of Housing and Urban-Rural Development of the People's Republic of China - Notice on printing and distributing the development and This code prises 6 clauses and 2 annexes with the main technical contents as follows: general provisions terms water treatment station softening and demineralization storage and metering of chemicals control and instruments etc. This code is technically revised as follows: 1. The content related to electrodialysis is deleted; 2. The content related to energy and water conservation and emission reduction is added 3. The content related to nanofitration is added; 4. The content related to membrane dosing system and cleaning system is added; 5. The content of instruments and control is added and revised. routine management and Northwest Electric Power Design Institute Co. Ltd. (NWEPDI) technical contents. During the process of implementing this code all relevant organizations are kindly requested to sum up experience carefully in bination with engineering practice and feed back the relevant opinions and suggestions for modification or supplement when necessary to Northwest Electric Power Design Institute Co. Ltd. (NWEPDI) of China Power Engineering Consulting Group (No. 22 South Tuanjie Road Hi-Tech Industrial Development Zone Xiran 710075 China) for future reference in revision. and chief reviewers of this code: Chief development organization: Northwest Electric Power Design Institute Co. Ltd.
英文版 GB/T 50109-2014 工业用水软化除盐设计规范.pdf
