1、Dexing Copper Recovery PlantTraining德興銅回收廠生產(chǎn)培訓ChemSulphide Process化學硫化工藝 第1頁，共47頁。Introduction 簡介The Dexing Chemsulphide Copper Recovery Plant is designed with a hydraulic capacity of 24,000 m3/day recovering approximately 12,000 lbs. of copper. The plant will treat acidic drainage from the followin

2、g sources德興化學硫化法銅回收廠的設計能力為每天處理24,000立方米水，回收12,000磅銅?；厥諒S處理的含銅水來自于以下來源：Yangtaowu acid drainage 楊桃塢酸性水 Zhujia raffinate 祝家萃余液 Zhujia pregnant leach solution (PLS) during wet seasons 雨季期間祝家堆浸液 Underground stream from an adit at Fujiawu 富家塢地下礦井廢水 Fujiawu open pit and other water sources at JCCLs Dexing C

3、opper Mine. 富家塢采礦場廢水和其他來源第2頁，共47頁。Basic Plant Flow 基本工藝流程第3頁，共47頁。PLANT AREAS 廠區(qū)分布Feed Loop 進水區(qū)Ferric Removal Loop 除鐵區(qū)Copper Recovery Loop 沉銅區(qū)Dewatering Loop 脫水區(qū)Reagent Loop 藥劑區(qū)Service Loop 輔助服務區(qū)第4頁，共47頁。Plant Components 廠區(qū)組成要素Reagents 藥劑Lime 石灰NaHS 硫氫化鈉Flocculent 絮凝劑Sulfuric Acid 硫酸Nitrogen 氮氣Soda

4、Ash 碳酸鈉Equipment 設備Tanks 反應罐Agitators 攪拌機 Clarifiers 濃密池 Pumps 泵 Valves 閥門 Instrumentation 儀表Filter press 壓濾機第5頁，共47頁。Reagents 藥劑Lime 石灰NaHS 硫氫化鈉Flocculent 絮凝劑Sulfuric Acid 硫酸Nitrogen 氮氣Soda Ash 碳酸鈉第6頁，共47頁。 Hydrated Lime 熟石灰Hydrated Lime熟石灰- Ca(OH)2 氫氧化鈣Alkaline堿性, Slight earthy odor輕微的泥質(zhì)氣味,fine wh

5、itish powder白色細粉末. Mainly used for neutralization.通常用于中和酸性 Used on site to increase pH & precipitate Ferric iron from PLS在回收廠的用途為提高酸性水的pH值，沉淀3價鐵離子第7頁，共47頁。Health Hazards 健康危害Skin Contact,may cause severe irritation, removes natural skin oils. 皮膚接觸：引起刺激性，使皮膚表面脫油Brush away excess and remove contaminat

6、ed clothing, wash with soap & water 緊急措施：抹去多余粉末，脫下污染的衣服，用肥皂和清水清洗Eye Contact, Severe irritation and burning.眼睛接觸：嚴重刺激和灼傷緊急措施： Flush with water 15 - 20 minutes 用清水沖洗15-20分鐘Inhalation, irritation to breathing passages, coughing, sneezing.吸入：刺激呼吸道、咳嗽、打噴嚏緊急措施： Move to source of fresh air 轉(zhuǎn)移到空氣流通處Refer to

7、 MSDS 參考化學品安全說明第8頁，共47頁。First Aid 急救常識Skin Contact, 皮膚接觸Brush away excess and remove contaminated clothing, wash with soap & water 抹去多余粉末，脫下污染的衣服，用肥皂和清水洗Eye Contact, 眼睛接觸 Flush with water 15 - 20 minutes 用清水沖洗15-20分鐘Inhalation, 吸入Move to source of fresh air 轉(zhuǎn)移到空氣流通處Refer to MSDS 參考化學品安全說明第9頁，共47頁。Re

8、quired PPE for Hydrated lime必備個人安全裝備Dry Gloves 手套Long sleeve shirt 長袖外衣Dust Mask 防塵口罩Eye Protection 防護眼鏡Steel toe Boots 鐵頭工作鞋Hard hat 安全帽第10頁，共47頁。Release Action 泄漏事故時的措施Small Spill 小泄漏: i.e. a spill resulting from the pipe failure 例如：管道破裂引起泄漏Action措施： Wash the solution into the nearest sump with pl

9、enty of water 大量清水沖洗泄漏液進最近的污水坑.第11頁，共47頁。Release Action Continued 泄漏事故時的措施續(xù)Large Spill 大泄漏: i.e. a spill resulting from the tank failure 例如：儲存罐破裂引起泄漏Action措施： Add a very weak acid (i.e. acetic acid) 加入弱酸，如醋酸； Wash the neutralized solution into the nearest sump with plenty of water 大量清水沖洗中和后的泄漏液進最近的污

10、水坑； Excavate the contaminated soil and add the weak acid ; move the soil to waste stockpile 挖出被污染的泥土，加入弱酸；將中和后的泥土堆放到廢石場第12頁，共47頁。Sodium Hydrosulfide 硫氫化鈉(NaHS)NaHS- Very alkaline, pH 11.5-12.5. 弱堿性 Solution is typically yellow to dark green with a strong hydrogen sulfide (rotten egg) odor.黃色到深綠色的液體，

11、帶有強烈的硫化氫氣味（臭雞蛋味）Precipitates copper at optimum pH levels 在適應的pH條件下沉淀銅離子 Vapor space over NaHS solution contains toxic hydrogen sulfide (H2S). This gas is colorless and heavier than air.The level of H2S above the solution is increased by solution contact with acidic materials (PLS).硫化氫鈉溶液的揮發(fā)氣體含有有毒的硫化

12、氫氣體，該氣體是無色的，比空氣比重大。當硫氫化鈉溶液和酸性水接觸后，硫化氫氣體的濃度將增加。第13頁，共47頁。Health Hazards 健康危害Inhalation of H2S vapors is very dangerous. Exposure to 100-200 PPM of gas causes loss of sense of smell, coughing, choking, eye irritation, headache, dizziness. Continued low exposure or to more than 700 PPM will result in u

13、nconsciousness, respiratory paralysis and death.硫化氫氣體的吸入市非常危險的。吸入100-200微克/升濃度的氣體將會是人失去嗅覺、咳嗽、窒息、刺激眼睛、頭疼和暈眩。持續(xù)接觸低濃度或接觸高于700毫克/升濃度的硫化氫氣體，會導致失去知覺、呼吸紊亂、死亡第14頁，共47頁。Health Hazards 健康危害Skin & Eye Contact can result in 2nd & 3rd degree burns and potentially severe corneal eye injury.皮膚和眼睛接觸：導致2級和3級燙傷，可能引起嚴

14、重的眼角膜損傷第15頁，共47頁。First Aid 急救常識 Inhalation吸入: Get victim to fresh air 轉(zhuǎn)移至空氣流通處Eye Contact 眼睛接觸: Flush entire eye thoroughly for 15 minutes. Get immediate medical help. 清水沖洗15分鐘，立即采取醫(yī)護措施Skin Contact 皮膚接觸: Flush exposed area with lots of water,remove contaminated clothing. 大量清水沖洗，脫去被污染衣物Ingestion誤食: D

15、O NOT INDUCE VOMITING, Drink 2-4 glasses of water. 不用催吐，立即喝2-4杯清水第16頁，共47頁。Required PPE for NaHS必備個人防護裝備Neoprene Gloves & apron 氯丁橡膠手套和防護板Chemical boots 防化學品的工作靴Chemical goggles & full face shield防化學品的護目鏡和護臉罩Hard hat 安全帽Greater Exposure 高濃度接觸SCBA or Air supplied respirator自攜式呼吸器第17頁，共47頁。Release Act

16、ion 泄漏事故時的措施Small Spill 小泄漏: i.e. a spill resulting from the pipe failure 例如：管道破裂引起泄漏Action措施： Add the diluted hydrogen peroxide (3-5%) or weak sodium hypochlorite 加入稀釋的過氧化氫（3-5%）或次氯酸鈉； Wash the neutralized solution into the nearest sump with plenty of water 大量清水沖洗中和后的泄漏液進最近的污水坑.第18頁，共47頁。Release Ac

17、tion Continued 泄漏事故時的措施續(xù)Large Spill 大泄漏: i.e. a spill resulting from the tank failure 例如：儲存罐破裂引起泄漏Action措施： Add the diluted hydrogen peroxide (3-5%) or weak sodium hypochlorite 加入稀釋的過氧化氫（3-5%）或次氯酸鈉； Add a very weak acid (i.e. acetic acid) 加入弱酸，如醋酸； Wash the neutralized solution into the nearest sump

18、 with plenty of water 大量清水沖洗中和后的泄漏液進最近的污水坑； Excavate the contaminated soil and add the diluted hydrogen peroxide (3-5%) or weak sodium hypochlorite; move the soil to waste stockpile 挖出被污染的泥土，加入稀釋的過氧化氫（3-5%）或次氯酸鈉；將氧化后的泥土堆放到廢石場第19頁，共47頁。Flocculent 絮凝劑White granular powder, slight odor. 白色顆粒狀，輕微氣味Very

19、slippery when it becomes wet. 潮濕時非常粘滑Causes suspended particles in liquids to aggregate, forming a floc to increase precipitation and clarity of overflow. 使溶液中的懸浮顆粒聚集，形成絮凝體以提高顆粒沉降性和出水澄清度第20頁，共47頁。Health Hazards 健康危害Inhalation吸入- May cause irritation of mucous membranes 可能刺激呼吸道粘膜Skin Contact皮膚接觸- May

20、 cause irritation with prolonged contact.長時間接觸可能引起刺激性Eye Contact眼睛接觸- Can cause mild irritation可能引起輕度刺激Refer to MSDS參考化學品安全說明第21頁，共47頁。First Aid 急救常識Inhalation吸入- Remove to fresh air, obtain medical attention 轉(zhuǎn)移至空氣流通處，采取醫(yī)護措施Skin Contact皮膚接觸- Remove excess powder and contaminated clothing, wash with

21、soap and plenty of water.抹去多余顆粒，脫去污染衣物，用大量清水和肥皂沖洗Eye Contact眼睛接觸- Immediately gently flush with water for 15 minutes keeping the eyelids wide open and apart. Obtain medical attention立即用清水沖洗15分鐘，沖洗時要保持睜開眼瞼，采取醫(yī)護措施Refer to MSDS參考化學品安全說明第22頁，共47頁。Required PPE for Flocculent必備個人防護裝備Dry Gloves 手套Long slee

22、ve shirt 長袖外衣Dust Mask 防塵口罩Eye Protection 防護眼鏡Steel toe Boots 鐵頭工作鞋Hard hat 安全帽第23頁，共47頁。Release Action 泄漏事故時的措施Small Spill 小泄漏: i.e. a spill resulting from the pipe failure 例如：管道破裂引起泄漏Large Spill 大泄漏: i.e. a spill resulting from the tank failure 例如：儲存罐破裂引起泄漏Action措施： Wash the solution into the near

23、est sump with plenty of water 大量清水沖洗泄漏液進最近的污水坑.第24頁，共47頁。Sulfuric Acid硫酸H2SO4Oily, Colorless to light yellow, causes severe skin & eye burns. 油狀，無色到單黃色，接觸后會引起嚴重的皮膚和眼睛燒傷Can be added with NaHS in the Contactor to obtain optimal H2S production 在銅回收罐中加入硫氫化鈉和硫酸，以獲得最佳的硫化氫產(chǎn)量第25頁，共47頁。Health Hazards 健康危害Inh

24、alation吸入- May cause corrosive burns to upper respiratory system可能引起上呼吸道的燙傷Skin Contact皮膚接觸- Causes Severe burns引起嚴重燙傷Eye Contact眼睛接觸- Can cause irritation, corneal burns, may result in permanent damage刺激眼睛，灼傷眼結(jié)膜，可能引起長遠損害Refer to MSDS參考化學品安全說明第26頁，共47頁。First Aid急救常識Inhalation吸入-Remove to fresh air,

25、obtain medical attention轉(zhuǎn)移至空氣流通處，采取醫(yī)護措施Skin Contact皮膚接觸-Flush with plenty of water for 15 minutes, remove contaminated clothing during flushing, obtain medical help 用大量清水沖洗15分鐘，脫去污染的衣物，采取醫(yī)護措施Eye Contact眼睛接觸-Flush eyes with plenty of water for 15 minutes, obtain immediate medical help用大量清水沖洗15分鐘，采取醫(yī)護

26、措施Refer to MSDS參考化學品安全說明第27頁，共47頁。Required PPE for Sulfuric Acid必備個人防護裝備Neoprene Gloves & apron 氯丁橡膠手套和防護板Chemical boots 防化學品的工作靴Chemical goggles & full face shield防化學品的護目鏡和護臉罩Hard hat 安全帽Greater Exposure 高濃度接觸SCBA or Air supplied respirator自攜式呼吸器第28頁，共47頁。Release Action 泄漏事故時的措施Small Spill 小泄漏: i.e

27、. a spill resulting from the pipe failure 例如：管道破裂引起泄漏Action措施： Wash the solution into the nearest sump with plenty of water 大量清水沖洗泄漏液進最近的污水坑.第29頁，共47頁。Release Action Continued 泄漏事故時的措施續(xù)Large Spill 大泄漏: i.e. a spill resulting from the tank failure 例如：儲存罐破裂引起泄漏Action措施： Add 10% soda ash solution 加入10%

28、碳酸鈉溶液； Wash the neutralized solution into the nearest sump with plenty of water 大量清水沖洗中和后的泄漏液進最近的污水坑； Excavate the contaminated soil and mix with limestone, soda ash, or lime ; move the soil to waste stockpile 挖出被污染的泥土，混入石灰石、碳酸鈉或石灰；將中和后的泥土堆放到廢石場第30頁，共47頁。Soda Ash 碳酸鈉Sodium carbonate 碳酸鈉(Na2CO3), is

29、an alkali chemical 堿性化學品Used to scrub H2S gas produced from NaHS before entering the atmosphere 用于吸收工藝中產(chǎn)生的硫化氫氣體第31頁，共47頁。Health Hazards 健康危害Skin & Eye Contact- Mild to Moderate Irritation 皮膚和眼睛的接觸：輕度到中度的刺激性Inhalation- May irritate nose, throat & lungs 吸入：刺激鼻子，喉嚨和肺部Refer to MSDS參考化學品安全說明第32頁，共47頁。Fir

30、st Aid 急救常識Skin Contact-Wash with plenty of water and non-abrasive soap. 皮膚接觸-用清水和肥皂清洗Eye Contact- Flush with plenty of water and seek medical attention. 眼睛接觸-用大量清水清洗，醫(yī)護護理Slight Inhalation- Allow victim to rest in a well ventilated area. 輕微吸入-在通風處休息Refer to MSDS.參考化學品安全說明第33頁，共47頁。Required PPE for S

31、oda Ash必備個人安全裝備Dry Gloves 手套Long sleeve shirt 長袖外衣Dust Mask 防塵口罩Eye Protection 防護眼鏡Steel toe Boots 鐵頭工作鞋Hard hat 安全帽第34頁，共47頁。Release Action 泄漏事故時的措施Small Spill 小泄漏: i.e. a spill resulting from the pipe failure 例如：管道破裂引起泄漏Action措施： Wash the solution into the nearest sump with plenty of water 大量清水沖洗泄

32、漏液進最近的污水坑.第35頁，共47頁。EQUIPMENT TAGS 設備標記Tanks (TK) 反映罐Agitators (AG) 攪拌機Air Dryer (AD) 空氣干燥器Pumps (P) 泵Valves (V) 閥門Filter Press (FP) 壓濾機General Process Equipment (EQ) 其它工藝設備第36頁，共47頁。Instrumentation Tags 儀表標記Pressure (P)壓力Level (L)液位Flow (F)流量pH (pH)Indication (I)顯示Control(C)控制Alarm (A)警報ORP (oxidation reduction potential) 氧化還原電位 Transmitter (T)變送器 Switch (S)開關第37頁，共47頁。Tanks (TK) 反應罐TK 106 Head Tan