標準編號:	GB 50506-2009
中文名稱:	鋼鐵企業節水設計規范
英文名稱:	Code for design of water saving for iron and steel enterprises
中標分類:	P34    工業建筑工程
行業分類:	GB    國家標準
ICS分類:	91.040.20 91.040.20    商業和工業建筑物 91.040.20
發布機構:	中華人民共和國建設部
發布日期:	2009-6-17
實施日期:	2009-12-1
標準狀態:	valid
翻譯語言:	英文
文件格式:	PDF
中文字符數:	20000 字
翻譯價格(元):	1560.0
交付時間:	付款后 1 個工作日

Announcement of the Ministry of Housing and Urban-Rural Development of the People's Republic of China No. 362 Announcement on publishing the national standard Code for design of water saving for iron and steel enterprises Code for design of water saving for iron and steel enterprises has been approved as a national standard with a serial number of GB 50506-2009, and shall be implemented from December 1, 2009. Thereinto, 3.0.3, 3.0.5, 3.0.7, 3.0.10, 3.0.15 and 6.1.5 are compulsory provisions and must be enforced strictly. 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. Ministry of Housing and Urban-Rural Development of the People's Republic of China June 17, 2009 Foreword Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. According to the requirements of Notice on printing and distributing the (JIANBIAOHAN [2005] No. 124) issued by the former Ministry of Construction, this code is jointly prepared by Capital Engineering & Research Incorporation Ltd. with organizations concerned. During the development of this code, the drafting group has adhered to the core of "water saving and discharge reduction", and conscientiously implemented the guiding ideology of "saving water, utilizing water resources rationally, reducing pollution discharge and protecting water resources", summarized the water saving experiences of construction and design units of iron and steel enterprises in recent years by conducting targeted surveys and gathering data from iron and steel enterprises, actively sought and incorporated feedbacks from experts, scholars, and design professionals across the nation in the fields of design, scientific research, enterprises and other units, and held a number of symposiums. Following thorough examination, analysis, and multiple revisions by the group, this code was ultimately finalized upon review. This code is divided into 10 clauses and one annex, with main contents including general provisions, terms, basic requirements, water source, production process, recirculating water treatment system, systems for softening & demineralizing water, reutilization of wastewater, rainwater utilization, leakproof & seepage prevention, etc. The provisions printed in bold type in this code are compulsory and must be enforced strictly. The Ministry of Housing and Urban-Rural Development of the People's Republic of China is in charge of the administration of this code and the explanation of the compulsory provisions; China Metallurgical Construction Association is in charge of routine management; Capital Engineering & Research Incorporation Ltd. is responsible for the explanation of specific technical contents. In case of any modification and supplement suggestion during the implementation of this code, please submit the suggestions and relevant information to the "Code for design of water saving for iron and steel enterprises" national code management team of the chief development organization, namely Capital Engineering & Research Incorporation Ltd. (Address: No.7 Jian'an Street, Beijing Economic and Technological Development Zone, 100176, China) for reference in future revision. Code for design of water saving for iron and steel enterprises 1 General provisions 1.0.1 For the purpose of saving water, reducing sewage discharge, protecting water resources, improving water use efficiency of iron and steel enterprises and building water saving iron and steel enterprises, this code is formulated in accordance with the relevant national laws, regulations and policies on water saving and water pollution prevention & control. 1.0.2 This code is applicable to all design stages for construction, renovation and extension of iron and steel enterprises. 1.0.3 In the design of construction, renovation and extension for iron and steel enterprises, contents related to water saving shall be included, and the water saving technology, equipment and measures used shall be specified. 1.0.4 The design of water saving for iron and steel enterprises shall be combined with local urban, industrial and agricultural water development planning to use water resources rationally and protect water resources, thus ensure the sustainable socio-economic development in the context of limited water resources. 1.0.5 In addition to this code, the water saving design of iron and steel enterprises shall meet the requirements of current relevant national standards. 2 Terms 2.0.1 water saving reduce water consumption, save water resources, improve the utilization efficiency of water resources, decrease sewage, protect water resources, and maintain sustainable utilization of water resources by adopting technology and management means 2.0.2 water saving in process adopt water saving technology, equipment and measures in the production process 2.0.3 water saving facilities production process facilities, water supply and drainage facilities for the purpose of saving water 2.0.4 water saving project construction project for the purpose of saving water 2.0.5 enhanced primary treatment process of coagulating sedimentation and filtration of wastewater 2.0.6 reclaimed water water reutilized from wastewater directly or after treatment 2.0.7 reclaimed water volume volume of water actually reutilized from wastewater directly or after treatment 2.0.8 purified rainwater rainwater that can be used after purification treatment 2.0.9 wastewater reuse project collection, transportation and treatment of wastewater, as well as the supported transportation of reclaimed water 2.0.10 rainwater utilization project collection, transportation and treatment of rainwater, as well as the supported transportation of purified rainwater 2.0.11 wastewater reuse system complex composed of some facilities, for example, collection, transportation and treatment facilities of wastewater, as well as supported transportation facilities of reclaimed water, arranged in a certain way 2.0.12 rainwater utilization system complex composed of some facilities, for example, collection, transportation and treatment facilities of rainwater and supported transportation facilities of purified rainwater, arranged in a certain way 2.0.13 concentrated salt-containing wastewater industrial wastewater with salt content greater than or equal to 2,000mg/L 2.0.14 reused salt-containing wastewater reclaimed water of concentrated salt-containing wastewater after collection and treatment 2.0.15 leakage water loss water lost by leakage during the treatment, transportation and use 2.0.16 spray water loss water that is sprayed or carried away by air in the form of droplets during treatment or use 2.0.17 evaporation water loss water lost by evaporation during the treatment, transportation and use 2.0.18 sewerage loss water that must be discharged to maintain the stability of the water quality during treatment and use due to the ever-rising concentration of impurities or salt in the water 2.0.19 adsorption water loss water consumed during treatment or use due to the entrainment or adsorption effect of solid media 3 General requirements 3.0.1 Water saving facilities for constructed, extended and renovated projects must be designed, constructed and put into operation simultaneously with the main project. 3.0.2 When the main part of the constructed, extended and renovated projects is built by stages, water saving facilities shall be planned comprehensively. When the water saving facilities are built in stages, the operation time shall not be later than that for the main part which is built by stages, and the construction scale of water saving facilities shall not be reduced. 3.0.3 Advanced water saving processes, technologies and equipment shall be adopted for the constructed, extended and renovated projects. The backward and obsolete processes, technologies and equipment with high water consumption must not be used. 3.0.4 The processes, technologies and equipment with high water consumption used in the production facilities of existing iron and steel enterprises shall be phased out through renovation. 3.0.5 As for newly-built iron and steel enterprises, the supporting wastewater treatment and reuse facilities must be constructed. 3.0.6 The existing iron and steel enterprises shall construct or improve supporting wastewater treatment and reuse facilities along with the constructed, extended and renovated projects. 3.0.7 As for the constructed, extended and renovated projects, the substandard wastewater must not be discharged into the receiving waters. 3.0.8 The reclaimed water shall be used when meeting the user's water utilization conditions. 3.0.9 If each workshop or unit has different water quality requirements for the production water, the water shall be supplied based on different water qualities. The high-quality water should not be supplied to low-quality water users.

Foreword i 1 General provisions 2 Terms 3 General requirements 4 Water source 5 Production process 5.1 Mining 5.2 Mineral processing 5.3 Raw material yard 5.4 Sintering & pelletizing 5.5 Coking 5.6 Ironmaking 5.7 Steelmaking 5.8 Steel rolling 5.9 Auxiliary production workshop 5.10 Metallurgical lime, soft-burned dolomite and refractory workshops 6 Recirculating water treatment system 6.1 General requirements 6.2 Indirect closed recirculating cooling water system 6.3 Indirect open recirculating cooling water system 6.4 Direct recirculating cooling water system 7 Systems for softening & demineralizing water 7.1 General requirements 7.2 System for softening water 7.3 System for demineralizing water 8 Wastewater reutilization 9 Rainwater utilization 10 Leakproof & seepage prevention 10.1 Water supply system 10.2 Water drainage system Annex A Control indicators of quantity of water intake (consumption) for each production process of iron and steel enterprises Explanation of wording in this code List of quoted standards

UDC GB 中華人民共和國國家標準 P GB 50506－2009 鋼鐵企業節水設計規范 Code for design of water saving for iron and steel enterprises 2009-06-17發布 2009-12-01實施 中華人民共和國住房和城鄉建設部 中華人民共和國國家質量監督檢驗檢疫總局 聯合發布 中華人民共和國住房和城鄉建設部公告 第362號 關于發布國家標準 《鋼鐵企業節水設計規范》的公告 現批準《鋼鐵企業節水設計規范》為國家標準，編號為GB 50506—2009，自2009年12月1日起實施。其中，第3.0.3、3.0.5、3.0.7、3.0.10、3.0.15、6.1.5條為強制性條文，必須嚴格執行。 本規范由我部標準定額研究所組織中國計劃出版社出版發行。 中華人民共和國住房和城鄉建設部 二〇〇九年六月十七日 前言 本規范是根據原建設部《關于印發〈2005年工程建設標準規范制訂、修訂計劃(第二批)〉的通知》(建標函〔2005〕124號)的要求，由中冶京誠工程技術有限公司會同有關單位共同編制完成的。 本規范在編制過程中始終堅持以“節水減排”為核心，認真貫徹“節約用水、合理使用水資源，減少排污、保護水資源”的指導思想，通過有針對性的鋼鐵企業調查和資料收集，總結近年來鋼鐵企業建設單位、設計單位的節水經驗，廣泛征求全國有關設計、科研、企業等單位的有關專家、學者和設計人員意見，召開多次專題技術研討會，經編制組認真研究分析、多次修改，最終經審查定稿。 本規范共分10章和1個附錄，主要內容包括總則，術語，基本規定，水源，生產工序，循環水處理系統，軟化水、除鹽水系統，廢水回收利用，雨水利用，防漏、防滲等。 本規范中以黑體字標志的條文為強制性條文，必須嚴格執行。 本規范由住房和城鄉建設部負責管理和對強制性條文的解釋，中國冶金建設協會負責日常管理工作，中冶京誠工程技術有限公司負責具體技術內容的解釋。在執行過程中如有需要修改與補充的建議，請將建議和有關資料寄送主編單位中冶京誠工程技術有限公司《鋼鐵企業節水設計規范》國家規范管理組(地址：北京市北京經濟技術開發區建安街7號，郵政編碼：100176)，以供修訂時參考。 1 總則 1.0.1 為節約用水、減少排污、保護水資源、提高鋼鐵企業用水效率、建設節水型鋼鐵企業，依據國家關于節約用水與水污染防治的有關法律、法規和政策，制定本規范。 1.0.2 本規范適用于鋼鐵企業新建、改擴建工程項目的各個設計階段。 1.0.3 鋼鐵企業新建、改擴建工程項目設計中應有節水內容，并應說明采用的節水工藝技術設備、措施等。 1.0.4 鋼鐵企業節水設計應與當地城鎮、工業、農業用水發展規劃相結合，合理使用水資源，保護水資源，確保社會經濟在有限水資源條件下的可持續發展。 1.0.5 鋼鐵企業節水設計除應符合本規范外，尚應符合國家現行有關標準的規定。 2 術語 2.0.1 節水 water saving 采用技術和管理手段，減少用水量、節約水資源、提高水資源的利用效率，減少排污、保護水資源，保持水資源的可持續利用。 2.0.2 工序節水 water saving in process 產品生產過程中采用節水的工藝技術、設備、措施。 2.0.3 節水設施 water saving facilities 以節水為目的的生產工藝設施、給水排水設施。 2.0.4 節水工程 water saving project 以節水為目的而實施的工程建設項目。 2.0.5 一級強化處理 enhanced primary treatment 對廢水進行混凝沉淀、過濾處理的工藝。 2.0.6 回用水 reclaimed water 廢水直接或經處理后回收利用的水。 2.0.7 回用水量 reclaimed water volume 廢水直接或經處理后實際回收利用的水量。 2.0.8 凈化雨水 purified rainwater 經凈化處理后可利用的雨水。 2.0.9 廢水回用工程 wastewater reuse project 廢水的收集、輸送、處理以及回用輸配的工程。 2.0.10 雨水利用工程 rainwater utilization project 雨水的收集、輸送、處理以及凈化雨水輸配的工程。 2.0.11 廢水回用系統 wastewater reuse system 廢水的收集、輸送、處理以及回用輸配等設施以一定方式組合成的總體。 2.0.12 雨水利用系統 rainwater utilization system 雨水的收集、輸送、處理以及凈化雨水的輸配等設施以一定方式組合成的總體。 2.0.13 濃含鹽廢水 concentrated salt-containing wastewater 含鹽量大于等于2000mg/L的工業廢水。 2.0.14 濃含鹽回用水 reused salt-containing wastewater 濃含鹽廢水經收集、處理后的回用水。 2.0.15 滲漏損失水 leakage water loss 水在處理、輸配及使用過程中滲漏損失的水。 2.0.16 飄灑損失水 spray water loss 水在處理或使用過程中，噴濺或以水滴形式被空氣帶走的水。 2.0.17 蒸發損失水 evaporation water loss 水在處理、輸配及使用過程中蒸發損失的水。 2.0.18 排污損失水 sewerage loss 水在處理、使用過程中，水中雜質或鹽的濃度不斷升高，為保持水質穩定，必須排掉的水。 2.0.19 吸附損失水 adsorption water loss 水在處理或使用過程中，被固體介質夾帶或吸附而消耗掉的水。 3 基本規定 3.0.1 新建、改擴建工程項目中的節水設施應與主體工程同時設計、同時施工、同時投入運行。 3.0.2 新建、改擴建工程項目中主體工程分期建設時，節水設施應總體規劃。節水設施分期建設時，其投產時問不得滯后于主體工程分期建設投產時間，并不得縮小節水設施的建設規模。 3.0.3 新建、改擴建工程項目應采用先進的節水工藝、技術和設備；嚴禁采用落后的、被淘汰的高耗水工藝、技術和設備。 3.0.4 現有鋼鐵企業生產設施中高耗水工藝、技術和設備應通過改造逐步淘汰。 3.0.5 新建鋼鐵企業必須配套建設廢水處理及其回用設施。 3.0.6 現有鋼鐵企業應隨新建、改擴建工程項目配套建設或完善廢水處理及其回用設施。 3.0.7 新建、改擴建工程項目嚴禁未達標廢水排入受納水體。 3.0.8 在滿足用戶用水條件時，應使用回用水。 3.0.9 各車間或機組生產用水對水質要求不同時，應采用分質供水，不宜將高質水用于低質水用戶。 3.0.10 車間或機組產生的工業廢水，應根據工業廢水水質特性采用分質排水。不能直接排入廠區工業廢水排水管網的特殊生產污水，必須處理達標后再排入廠區工業廢水管網。 3.0.11 新建鋼鐵企業廠區除循環供水系統外，廠區應按分質供水要求設計相應的供水管網。供水管網應分為生活、生產、消防給水管網。生產給水管網可分為：工業新水給水管網，軟化水給水管網，除鹽水給水管網，回用水給水管網，濃含鹽回用水給水管網。 3.0.12 現有鋼鐵企業及其新建、改擴建工程項目的廠區供水管網，應按本規范第3.0.11條的規定逐步改造實施。 3.0.13 新建鋼鐵企業廠區應采用分流制排水方式。除循環供水系統外，廠區應按分質排水要求設計相應的排水管網。排水管網可分為：生活污水排水管網，工業廢水排水管網，濃含鹽廢水排水管網，雨水排水管網。 3.0.14 現有鋼鐵企業及其新建、改擴建工程項目的廠區排水管網，應按本規范第3.0.13條的規定逐步改造實施。 3.0.15 新建、改擴建工程項目應有完善的給排水計量設施。 3.0.16 給水排水構筑物應進行防滲漏處理。 3.0.17 生產車間、物料運輸轉運站等室內外地坪清潔衛生，宜采用灑水清掃地坪，灑水宜采用回用水。 3.0.18 生產工藝采用蒸汽間接加熱裝置時，蒸汽凝結水宜回收利用。 3.0.19 生產車間采暖宜選擇熱水循環采暖系統，熱水換熱站的蒸汽冷凝水應回收利用。當采用蒸汽采暖且蒸汽冷凝水量大于等于1.0m3/h時，冷凝水宜回收利用。 3.0.20 生活用衛生器具應選用節水型器具。沖洗廁所用水宜采用符合城市雜用水水質標準的回用水。 3.0.21 小型建筑物采暖、制冷采用空調機組肘，宜采用風冷空調機組。 3.0.22 電氣室、控制室等的空調，總冷負荷大于等于3000kW時宜設置集中制冷站。冷負荷較小或電氣室布置分散時宜設置分散式空調系統，分散式空調宜采用風冷柜式空調機組。 3.0.23 噸鋼(噸產品)取水量應作為鋼鐵企業用水的主要考核指標。 3.0.24 鋼鐵企業總體規劃、設計的噸鋼(噸產品)取水量控制指標，應符合表3.0.24的規定。 表3.0.24 鋼鐵企業總體規劃、設計噸鋼取水量控制指標 項目 單位 普通鋼廠 特殊鋼廠 新建鋼鐵企業 m3/噸鋼 ≤6 ≤8 現有鋼鐵企業 m3/噸鋼 ≤7 ≤10 注：噸鋼取水量指標不含采礦、選礦以及自備電廠等取水量。 3.0.25 鋼鐵企業新建、改擴建單體工程項目的噸鋼(噸產品)用水量、取水量控制指標，宜符合本規范附錄A的規定。 3.0.26 噸鋼(噸產品)取水量應按下式進行計算： (3.0.26-1) 式中：Vui——噸鋼(噸產品)取水量(m3/噸鋼)； Q——在一定的計量時間內，企業鋼(產品)產量的設計值(t)； Vi——在一定的計量時間內，企業在生產全過程中設計取水量總和(m3)。 Vi＝Vi1＋Vi2－Vi3 (3.0.26-2) 式中：Vi1——從自建或合建取水設施、市政供水工程等取水量總和(m3)； Vi2——外購水(或水的產品)量總和(m3)； Vi3——外供水(或水的產品)量總和(m3)。 取水量、外購水量、外供水量等參數取值應以區域設計邊界進出水管道一級計量設施的設計流量進行統計計算。 3.0.27 噸鋼(噸產品)用水量應按下式進行計算： (3.0.27) 式中：Vut——噸鋼(噸產品)用水量(m3/噸鋼)； Vz——在一定的計量時間內，企業在生產全過程中的設計總用水量(m3)。 3.0.28 水的重復利用率應按下式進行計算： (3.0.28-1) 或 (3.0.28-2) 式中：Rt——水的重復利用率(％)； Vr——在一定的計量時間內，企業在生產全過程中的設計重復利用水量(m3)。 3.0.29 廢水回收利用率應按下式進行計算： (3.0.29) 式中：Rh——廢水回收利用率(％)； Vzh——在一定的計量時間內，企業在生產全過程中的廢水回用水總量(m3)； Vzp——在一定的計量時間內，企業在生產全過程中的廢水排水總量(m3)。 4 水源 4.0.1 鋼鐵企業的水源選擇應統籌規劃、開源節流、合理利用水資源，并應開發利用非傳統水源。 4.0.2 新建鋼鐵企業應選擇地表水作為生產水水源。 4.0.3 現有鋼鐵企業已利用地下水作為主要生產水水源的，應逐步開發地表水、非傳統水源取代地下水。 4.0.4 鋼鐵企業宜利用城市污水再生水作為生產水水源。 4.0.5 鋼鐵企業宜回收利用雨水，雨水的收集設施、凈化設施和儲存設施應滿足雨水回用的要求。 4.0.6 沿海地區新建的鋼鐵企業宜采用海水作為水源之一。 4.0.7 鋼鐵企業宜利用附近的大型水庫作為水源，并應核算城鎮、工業、農業用水量分配情況，進行水資源論證，確保用水安全。 4.0.8 尾礦庫的澄清水應作為選礦廠生產水水源。 4.0.9 鋼鐵企業應將其排放的工業廢水加以處理，回收利用。 4.0.10 原水凈化應選擇耗水量小的工藝、設備及技術。 4.0.11 原水凈化過程中沉淀排出的污泥及過濾反洗水應進行濃縮、脫水處理，上清液和濾出水應回收利用。 5 生產工序 5.1 采礦 5.1.1 對產塵點灑水噴霧降塵，應根據產塵量大小選用不同規格的噴霧器，不應用供水管直接酒水。 5.1.2 井下排出的地下水，其水質達到生產用水使用要求或經處理后達到生產用水使用要求時，宜作為生產水水源。 5.1.3 山坡露天礦的穿孔設備宜選用干式捕塵器。 5.1.4 集中供風的空氣壓縮機站宜選擇風冷式空氣壓縮機。當選擇水冷式空氣壓縮機時，應采用循環水冷卻。 5.1.5 露天開采的輔助原料礦山，礦石破碎作業洗礦水應采用循環水。