GB/T 23248-2020 English PDFUS$339.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 23248-2020: Code for design of seawater treatment for recirculating cooling seawater system Status: Valid GB/T 23248: Historical versions
Basic dataStandard ID: GB/T 23248-2020 (GB/T23248-2020)Description (Translated English): Code for design of seawater treatment for recirculating cooling seawater system Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: P21 Classification of International Standard: 07.060; 91.140 Word Count Estimation: 18,116 Date of Issue: 2020-12-14 Date of Implementation: 2021-07-01 Older Standard (superseded by this standard): GB/T 23248-2009 Quoted Standard: GB/T 34550.1; GB/T 34550.2; GB/T 34550.3; GB/T 34550.4; GB/T 50050-2017; GB/T 50102; HY/T 241; JTJ 275 Regulation (derived from): National Standard Announcement No. 28 of 2020 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration Summary: This standard specifies the general requirements for the design of seawater circulating cooling water treatment and design requirements and methods for seawater supplementary water treatment, seawater circulating cooling water treatment, seawater side-flowing water treatment, seawater circulating cooling discharge water treatment and testing, monitoring and control. This standard is applicable to the design of seawater circulating cooling water treatment for new construction, expansion, and reconstruction projects that use seawater as supplementary water. GB/T 23248-2020: Code for design of seawater treatment for recirculating cooling seawater system---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.(Design code for seawater circulating cooling water treatment) ICS 07:060;91:140 P41 National Standards of People's Republic of China Replace GB/T 23248-2009 Design code for seawater circulating cooling water treatment 2020-12-14 release 2021-07-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee Table of contentsForeword Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 General requirements 4 5 Seawater supplementary water treatment 4 6 Seawater circulating cooling water treatment 5 7 Seawater side water treatment 9 8 Seawater circulating cooling discharge water treatment 9 9 Detection, monitoring and control 9 Appendix A (Normative Appendix) Seawater Quality Analysis and Test Record Form 12 Appendix B (informative appendix) Sea water quality analysis method 13 Reference 15ForewordThis standard was drafted in accordance with the rules given in GB/T 1:1-2009: This standard replaces GB/T 23248-2009 "Code for Design of Seawater Circulating Cooling Water Treatment": Compared with GB/T 23248-2009, except In addition to editorial changes, the main technical changes are as follows: ---Added the water treatment agent performance evaluation method and the cooling tower water floating rate test method standard (see Chapter 2); --- Added the term for shallow seawater (see 3:2); ---Modified seawater circulating cooling water system, seawater water treatment agent, seawater cooling tower, water drift rate, system water volume, corrosion rate, Terms and definitions such as internal corrosion, monitoring test piece, pre-filming and fouling organisms (see 3:1, 3:3, 3:5, 3:6, 3:7, 3:9, 3:10, 3:12, 3:13 And 3:16, 3:1, 3:2, 3:4, 3:5, 3:6, 3:8, 3:9, 3:11, 3:12 and 3:15 of the:2009 version); ---Modified the total number of heterotrophic bacteria (see 3:18, 3:17 in the:2009 edition); ---Modified the terminology of sewage volume (see 3:23, 3:22 of the:2009 edition); ---Revised the treatment of seawater side flowing water [see 4:1c), 4:4 and Chapter 7, 6:3:5 of the:2009 edition]; ---Revised the reference standards of sea water quality testing methods (see 5:1:2, 6:1:3 and 9:1:5, 5:1:2, 6:1:3 and 7:1:5 of the:2009 edition); ---Added the supplementary water suspended solids index, and revised the supplementary water salinity and pH control values (see Table 1,:2009 version of Table 1); ---Modified the general minimum flow rate of the tube pass [see 6:1:1c), 6:1:1c) of the:2009 edition]; ---Modified the allowable value of the total number of heterotrophic bacteria [see 6:1:2e), the:2009 version of 6:1:2e)]; ---The allowable value of chloride in seawater circulating cooling water has been modified, and the indicators of copper ions and free residual chlorine have been added (see Table 2,:2009 edition of the Table 2); --- Deleted the content of bronze and ordinary water pumps in the seawater circulation pump (see 6:3:4 of the:2009 edition); ---Added the reference standard for the static performance evaluation test method of water treatment chemicals (see 6:4:3); ---The reference standard for the dynamic simulation test of seawater circulation cooling has been added (see 6:4:4); ---Modified the treatment of seawater circulating cooling discharge water (see Chapter 8, 6:6 of the:2009 edition); ---Added zinc ion, copper ion, ammonia nitrogen and dissolved solids and other sea water routine testing items (see Table 3); ---Added the non-conventional test items for the thermal resistance of dirt, and added the reference standards for the non-conventional test items (see Table 4); ---Added the adhesion rate calculation method (see Table 4); ---Added the requirements and methods for the detection of seawater floating rate (see 9:1:6); ---Added zinc ion, copper ion, ammonia nitrogen, iron bacteria count, sulfate reducing bacteria count and conductivity items (see Table A:1); ---Ignition reduction and iron-aluminum oxide items have been deleted (see Table A:1 in the:2009 edition); ---Revised the full hardness name (see Table A:1 of the:2009 edition); ---Added sea water quality analysis method (see Appendix B): This standard was proposed by the Ministry of Natural Resources of the People's Republic of China: This standard is under the jurisdiction of the National Marine Standardization Technical Committee (SAC/TC283): Drafting organizations of this standard: Tianjin Sea Water Desalination and Comprehensive Utilization Research Institute of Ministry of Natural Resources, Tianjin Zhonghai Water Treatment Technology Co:, Ltd:, China Resources Power (Bohai New Area) Co:, Ltd:, Tianjin SDIC Jinneng Power Generation Co:, Ltd: The main drafters of this standard: Hou Chunyang, Li Yahong, Wang Weizhen, Cheng Guochen, Zhang Lianqiang, Wu Yunfang, Xu Xu, Chen Chong, Yin Jianhua, Yang Guang, Zhang Wenshuai: The previous versions of the standard replaced by this standard are as follows: ---GB/T 23248-2009: Design code for seawater circulating cooling water treatment1 ScopeThis standard specifies the general requirements for the design of seawater circulating cooling water treatment and seawater supplementary water treatment, seawater circulating cooling water treatment, seawater Design requirements and methods for bypass water treatment, seawater circulating cooling discharge water treatment and detection, monitoring and control: This standard is applicable to the design of seawater circulating cooling water treatment for new construction, expansion, and reconstruction projects that use seawater as supplementary water:2 Normative referencesThe following documents are indispensable for the application of this document: For dated reference documents, only the dated version applies to this article Pieces: For undated references, the latest version (including all amendments) applies to this document: GB/T 34550:1 Seawater cooling water treatment agent performance evaluation method Part 1: Determination of corrosion inhibition performance GB/T 34550:2 Seawater cooling water treatment agent performance evaluation method Part 2: Determination of scale inhibition performance GB/T 34550:3 Seawater cooling water treatment agent performance evaluation method Part 3: Determination of bacteria and algae inhibition performance GB/T 34550:4 Seawater cooling water treatment agent performance evaluation method Part 4: Dynamic simulation test GB/T 50050-2017 Design Code for Industrial Circulating Cooling Water Treatment GB/T 50102 Industrial circulating water cooling design code HY/T 241 Cooling tower water drift test method isometric sampling method JTJ275 Technical Specification for Corrosion Prevention of Concrete Structures in Seaport Engineering3 Terms and definitionsThe following terms and definitions apply to this document: 3:1 Seawater circulating cooling water system recirculatingcoolingseawatersystem A type of circulating operation that uses seawater as the cooling medium and consists of heat exchange equipment, seawater cooling towers, water pumps, pipes and other related equipment Water supply system: 3:2 Shallow seawater Seawater in coastal waters or shallow waters with a depth of:200m or less: 3:3 Seawater treatment chemicals Chemicals used in the treatment of seawater: Note: Generally including seawater corrosion inhibitors, scale inhibitors, bacteria and algae inhibitors, etc: 3:4 Permitted retention time of chemicals The effective time of the agent in the seawater circulating cooling water system: Note: Rewrite GB/T 50050-2017, definition 2:1:19: ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 23248-2020_English be delivered?Answer: Upon your order, we will start to translate GB/T 23248-2020_English as soon as possible, and keep you informed of the progress. 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Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GB/T 23248-2020?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 23248-2020 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
