T h e Development & Selection of Copper Smelting Technology in China. A p r

Transcription

1 T h e Development & Selection of Copper Smelting Technology in China T a n g B i n A p r

2 C o n t e n t Developmental Background of Copper Smelting Technology(CST) in China Features and Innovation of CST Development in China Environmental Protection and Emission in Chinese Smelters Process Selection of Chinese Smelting project Conclusion

3 Copper supply & demand world wide in recent years (10 3 t) Item Output Consumption Supply & Demand Balance Copper supply & demand of China in recent years (10 3 t) Item Output Consumption Net import

4 C o n t e n t Developmental Background of Copper Smelting Technology(CST) in China Features and Innovation of CST Development in China Environmental Protection and Emission in Chinese Smelters Process Selection of Chinese Smelting project Conclusion

5 Technology Development: All the world-leading process and equipment are gathered in China CST Development Process Traditional tech. in Early Time Introduced Tech. Digestion and innovation Self-depend Innovation Targets for CST Advancement Large-scale Plant Modernization Less pollution, low consumption Handle complex ore material Multi-metal recovery

6 CST in Early Period ( ) Some large-scale copper smelter put into operation Reverberatory furnace smelting + CF converting Daye, Baiyin Copper Electric furnace + CF converting Yunnan Copper, Jinchuan Copper Blast furnace smelting + CF converting Tonglin, shenyang Blast furnace smelting + CF converting Fuchunjiang, Yantai

7 Upgrading Period of CST -- Introduced technology ( ) Noranda Smelting Flash Smelting TSL smelting

8 Technological development of pyrometallurgy Flash smelting Four Features: High-intensity smelting No electric furnace Rotation-suspension burner Smart control system

9 Upgrading of Flash Smelting Tech. in China Online automation control system

10 Upgrading of Flash Smelting Tech. in China Online automation control system

11 Technological development of pyrometallurgy Flash smelting technology export Khatoon Abad Copper Smelter FSF+PS, design capacity:80kt/a copper

12 Technological development of pyrometallurgy Flash smelting technology export Philippine Associated Smelting & Refining Corporation (PASAR) Expansion Project, Expanded from 170kt/a to 300kt/a cathode copper

13 Double Flash technology developing in China 3+2 Smelters Cooperation with Kennecott High availability, Good parameters First choice more than 400kt/a capacity

14 Technological development of pyrometallurgy double flash smelting Jinguan Smelter Xiangguang Smelter

15 Technological development of pyrometallurgy double flash smelting Fangchenggang Smelter Ningde Smelter of Chalco

16 Technological development of pyrometallurgy double flash smelting Sichuan Hongda Smelter

17 Flash smelting in China NO. Owner Capacity Remarks 1 Guixi Smelter (first unit) Kt/a Phase III expansion 2 Jinlong Smelter Kt/a Phase III expansion 3 Yanggu Xiangguang Smelter 400Kt/a 4 Jinchuan Smelter 150Kt/a 5 Guixi Smelter (second unit) 200Kt/a 6 Zijin Smelter 400Kt/a Phase III expansion,ongoing 7 Jinguan Smelter,TNMG 400Kt/a 8 Fangchenggang Smelter of Jinchuan Group. 400Kt/a 9 Baiyin Copper Smelter 250Kt/a ongoing 10 Ningde Smelter of Chalco 400Kt/a ongoing 11 Sichuan Hongda Copper smelter 400Kt/a ongoing Total 3650/a

18 Technological development of pyrometallurgy TSL smelting

19 No. Owner Capacity Process Applied 1 Yunnan Copper Smelter 200Kt/a ISA smelting + CF converting 2 Dianzhong Copper Smelter 100Kt/a ISA smelting + CF converting 3 Kunpeng Smelter in Sichuan 100Kt/a ISA smelting + CF converting 4 Jinchang Smelter TNMG 200Kt/a 5 Chifeng Jinjian Smelter 100Kt/a 6 Huludao copper Smelter 100Kt/a 7 Xinjiang Wuxin copper Smelter 100Kt/a 8 Daye copper Smelter 300Kt/a Ausmelt smelting + CF converting 9 Yuanqu Smelter of 60Kt/a Ausmelt smelting +Ausmelt converting Zhonag tiao shan Group 10 Yun Tin Group Smelter 100Kt/a Ausmelt smelting + Ausmelt converting Total capacity: 10 units TSL smelting in China 1240kt/a

20 Technological development of pyrometallurgy Side blown smelting Side-blown furnace in Zhejiang Heding Smelter

21 Smelting technology Innovation Side-blown smelting Baiyin Furnace Smelting Version 1, 2, 3 Side-blown furnace smelting Jingfeng process, Heding process Side-blown furnace smelting + Continous top-blown converting Chifeng, Yantai Bottom-blown smelting Bottom-blown smelting + PS Converting Bottom-blown smelting + Bottom-blown converting SLS+ SLCR two steps

22 SBF smelting +PS converting; Biggest SBF under operation in China. Capacity: 150kt/a (Phase I),300kt/a (Phase I); Startup year:2014(phase I),2017(Phase II)

23 Side blown smelting + Continuous top blown converting

24 SBF smelting +Continuous top blown converting; Capacity: 300kt/a (Phase I), 600kt/a (Phase II) Project Status:Ongoing,Under construction,plan to put into operation in 2019

25 SBF smelting +Continuous top blown converting; Capacity: 100kt/a (Blister); Project Status:Ongoing,Under construction, Plan to put into operation in 2019

26 Side blown smelting in China NO. Owner Capacity Process Status 1 Yantai Penghui Smelter 80Kt/a SBF+top-blown converting 2 Yunnan Copper Chifeng Smelter 140Kt/a SBF+top-blown converting 2008, Zhejiang Heding Smelter Kt/a SBF+PSC 2012, Kangxi Smelter of Jiangxi Copper 50Kt/a SBF+PSC 5 Chizhou GuanHua Copper Smelter 100Kt/a SBF+PSC 6 Huichun Smelter of Zijin Mining Group 100Kt/a SBF+PSC 7 Baiyin Copper Smelter 130Kt/a SBF+PSC Expansion 8 Baiyin Copper Smelter 250Kt/a SBF+PSC Ongoing 9 Chifeng Jinjian Smelter 260Kt/a SBF+PSC Ongoing 10 Chifeng Smelter of Yunnan Copper 400Kt/a SBF+top-blown converting Ongoing Group 11 Nanguo Copper Smelter 300Kt/a SBF+top-blown converting Ongoing 12 Yantai Guoxing Smelter 200Kt/a SBF+top-blown converting Ongoing 13 Qiqiha er Smelter of Zijin Mining Group 150Kt/a SBF+bottom-blown converting Ongoing Total 2460kt/a

27 Technological development of pyrometallurgy bottom-blown furnace Early SBF Process:Bottom-blown smelting+psc+ AF Blending House Smelting Furnace Matte GAS Acid Plant Oxygen Plant PSC Blister Anode Copper Rotary AF Anode Copper

28 Bottom blown smelting + Bottom blown converting

29 Acid Plant Acid Waster Water Treatment Material blend GAS GAS Blending System Matte SLCR Anode copper SLS Anode slime Casting Wheel system Anode Copper Slag concentrate Electrolysis Slag Flotation Gold, silver, lead, selenium Cathode copper Two steps has been invented by Dongying Fangyuan Company, and put into operation in Sep with handling 1.5 million ton metal ore material.

30 Julong Geermu 400kt/a Copper Smelter Ongoing 400kt/a cathode copper, Two steps,sls+slcr

31 Bottom blown smelting in China NO. Owner Output Process Status 1 Hengbang Smelter in Shandong 100Kt/a BBRs + PSC 2 Shuikoushan Smelter 100Kt/a BBRs + PSC 3 Yimen Smelter of Yunnan Copper Group 100Kt/a BBRs + PSC 4 Yuguang Smelter in Henan 120Kt/a BBRs + BBRc 5 Baotou Huading Copper Smelter 100Kt/a BBRs + BBRc 6 Qinghai Copper Smelter 100Kt/a BBRs + BBRc 7 Zhongtiaoshan Smelter 350Kt/a BBRs + BBRc Ongoing 8 Henan Jincheng Smelter 100Kt/a BBRs + BBRc 9 Copper Smelter of Zhongjin Gold Corp. 280Kt/a BBRs + FCF 10 Dongying Fangyuan Smelter 300Kt/a SLS+SLCR 11 Julong Smelter in Tibet 400Kt/a SLS+SLCR Ongoing Total 1750kt/a

32 C o n t e n t Developmental Background of Copper Smelting Technology(CST) in China Features and Innovation of CST Development in China Environmental Protection and Emission in Chinese Smelters Process Selection of Chinese Smelting project Conclusion

33 Emission Limits in Recent Years in China TIME Main Pollutant 1997~ Until now 2013 Until now Normal Emission Limit Special Emission Limit Waste Gas SO Particulate /50* 10 NO X Acid Mist Hg and its compounds Pb and its compounds As and its compounds /

34 Chinese Standard NO ITEM IFC Standard USA Standard German Standard Japanese Standard Chilean Standard Normal Emission Limit Special Emission Limit 1 SO 2 < ppm (1857mg/m 3 ) 500 q = K 10-3 He 2 K means regional ratio He means the effective height of stack Greenfield: 200ppm (571mg/m 3 ) Brownfield: 400ppm(1143 mg/m 3 ) Particu late 1~ Normal area: 150 Special area: /50 10

35 State-controlled gas comparison chart in Chinese typical smelters (Unit: mg/nm 3 ) Pollution Source Pollutant Plant 1 (FS+FC) Plant 2 (FS+FC) Plant 3 (FS+FC) Plant 4 (SBF+PSC) Fugitive gas SO 2 14~26 / / 21~69 Particulate 7.2~20.9 / / / Gas from acidmaking SO 2 41~ ~ ~58 Particulate / / ~12 Time range for data Apr to Oct 2017 Jan.1 st 2016 to Dec May 2017 June 2017 Data source Monitoring data of state-controlled emissions

36 Comparison on Environmental Approval Data of Total Pollutant in Typical Double-flash Smelters Pollutant Unit Plant 1 (FS+FC) Plant 2 (FS+FC) Plant 3 (FS+FC) Plant 1 (SBF+PSC) SO 2 t/a NO X t/a / / Note: 1. Data sourced from Environmental Impact Report and Approval Documents 2. There was no NO X limits for emission in the state when plant 1 and 2 are approved

37 C o n t e n t Developmental Background of Copper Smelting Technology(CST) in China Features and Innovation of CST Development in China Environmental Protection and Emission in Chinese Smelters Process Selection of Chinese Smelting project Conclusion

38 Smelting Converting Refining 1 FSF CF AF 2 FSF FCF AF 3 SBF CF AF 4 SBF TCC AF 5 BBS FCF AF 6 BBS BBC AF 7 SLS SLRC 8 TSL CF AF Short process and continuous converting become more and more popular Environmental restriction, PS Converter modification

39 New Project Plant 1 Plant 2 Plant 3 Plant 4 Plant 5 Process Double flash Double flash Double flash Double flash Flash + CF Continuous smelting Capacity(kt) Process Flow Foundation base Occupational land (acre) Whole process Marine reclamation land with pile depth as 47m 860 Whole process + 50kt scrap copper system Yellow river plain with pile depth as 24m 1480 including scrap system and railways No precious metal and dust treatment Hills landscape with pile depts as 23m 1498 Railways prepared No precious metal and dust treatment Coastal area Shallow foundation 3097 including scrap system and railways No precious metal and dust treatment Mountain landscape Shallow foundation Whole process Kashgar landscape Shallow foundation Year of Construction Starts from 2015 Investment (100m) Investment for copper per tonnage (100m) (estimated) 48 (Phase 1 + II) (estimated)

40 C o n t e n t Developmental Background of Copper Smelting Technology(CST) in China Features and Innovation of CST Development in China Environmental Protection and Emission in Chinese Smelters Process Selection of Chinese Smelting project Conclusion

41 Principle for determining project scale Material Source: Benchmarking, joint venture, outsourcing Market demand: Overseas, Domestic Conditions for construction The selection of process in copper smelter is related to multiply factors. There is no best, only the most appropriate.

42 T h a n k Y o u A p r