Lesson-15-Oily-Water-Separator

精品文档 1欢迎下载 Lesson 15 Oily Water Separator 第 15 课 油水分离器 1 Oily water separators are necessary aboard vessels to prevent the discharge of oil overboard mainly when pumping out bilges They also find service when deballasting or when cleaning oil tanks The requirement to fit such devices is the result of international legislation Legislation was needed because free oil and oily emulsions discharged in a waterway can interfere with natural processes such as photosynthesis and re aeration and induce the destruction of the algae and plankton so essential to fish life Inshore discharge of oil can cause damage to bird life and mass pollution of beaches For this purpose oily water separators have become compulsory on all types of ocean going ships According to one of the annexure of MARPOL water that has to be discharged should contain less than 15 ppm of oil 1 油水分离器在船上是很有必要的 可以防止向海里排放油类 特别是在排放舱底水的时候 在 排放压载水或清洗油舱的时候也可以使用油水分离器 国际公约要求安装这类装置 在这方面需 要有立法 因为游离的油和油类乳化物排放到航道会干扰一些自然过程 例如光合作用和再充气 对藻类和浮游生物造成破坏 而这些是鱼类基本的食物保证 在近海排放油类会破坏鸟类生活 并且给岸边带来严重污染 因为这个原因 油水分离器被强制安装在所有种类的远洋船舶上 根 据 国际防止船舶造成污染公约 附则的规定 排出的水中含油量不得超过 15 ppm 2 Now we will learn about the working of one type of oily water separators 2 现在我们将了解一种油水分离器的工作过程 3 Heishin oily water separators OWS model HSN F are approved under the terms of IMO Resolution MEPC 60 33 for 15 ppm criteria by various Governments and have been issued with type approval certificates HSN F separators have two independent chambers which are inter connected a common bed a water passage pipe and an oil discharge pipe 3 以 HSN F 型为代表的 Heishin 油水分离器 被国际海事组织批准符合海洋环境保护委员会 60 33 决议中 15 ppm 的标准 HSN F 型油水分离器有两个独立的腔室 它们在内部通过水管和 排油管相连 并且有共同的底座 1st Chamber第一腔室 4 Rough separation of oil from bilge water in the 1st chamber is dependent upon the specific gravity relative density of the oil being separated The separation is achieved by using multiple parallel plates which are housed in the separating compartment in three layers Therefore they are capable of dealing with bilge water mixed with high density fuel oil and particles of oil which are larger than 60 microns in size 4 在第一腔室 粗分离室 对舱底水的油类进行粗分离 这取决于被分离油类的比重 这种分离通 过使用多层平行的分离盘实现 这些分离盘容纳在三层的分离腔室中 因此 它们能够处理混有 高密度燃油和大于 60 微米的油类颗粒的舱底水 见图 15 I 精品文档 2欢迎下载 2nd Chamber第二腔室 5 The 2nd chamber contains a coalescer which allows small particles of oil to coagulate and become bigger in size and thereby float to the surface 5 第二腔室包含一个凝聚过滤器 它使得小颗粒的油粒聚合尺寸变大 从而漂浮到水面上 6 Heishin s coalescers are made of 18 8 stainless steel and heat corrosion resistant glass fibre and are capable of separating oil of 15 20 microns particles If maintained properly it is not necessary to replace these coalescers as often as compared with other types of OWS which use fine filter elements Moreover if contaminated they can be easily restored by washing with steam or hot water 6 Heishin 的凝聚过滤器是由 18 8 号不锈钢和耐热抗腐蚀玻璃纤维制成 能够分离 15 20 微米 大小的油类颗粒 如果维护良好的话 没有必要像其他使用细过滤元件类型的油水分离器那样去 替换这些凝聚过滤器 并且 如果脏污了 它们可以很容易地用蒸汽或热水冲刷干净 见图 15 2 Pipe Between the 1st and the 2nd Chamber介于第一腔室和第二腔室之间的管道 7 The connecting pipe between the 1st and the 2nd chamber allows the passage of bilge water from the 1st chamber to the 2nd chamber A T shaped strainer and a non return valve is fitted to this pipe 7 介于第一腔室和第二腔室之间的连接管使舱底水从第一腔室流到第二腔室 一个 T 型过滤器和 止回阀安装在这根管子上 T shape Strainer T 型粗滤器 精品文档 3欢迎下载 8 The T shape strainer of a self cleaning type is provided to arrest any sludge and foreign matters which escape separation in the 1st chamber in order to protect the coalescer element The element inside of the strainer is made of stainless steel with 50 mesh inch 8 有自洁功能的 T 型滤器可以收集残渣和杂质用来保护凝聚过滤器的芯件 这些残渣和杂质是 从第一腔室中泄漏出来的 粗滤器内部的元件是由 50 目 英寸的不锈钢制作而成 Oil Discharge Pipe排油管 9 Each oil discharge pipe from both the 1st chamber and the 2nd chamber is fitted with valves a solenoid valve for the 1st chamber and a globe valve for the 2nd chamber These pipes join together to form a single oil outlet 9 从第一腔室和第二腔室引出的排油管上都装有阀件 第一腔室是电磁阀 第二腔室是球阀 这 些管道汇集在一起形成一个单一的油出口 Automatic Oil Discharge Device自动排油装置 10 An automatic oil discharge device is fitted for oil discharge from the 1st chamber 10 安装了一个自动排油装置从第一腔室排油 11 The automatic oil discharge device is composed of an oil level detecting probe and a solenoid valve The solenoid valve is of the direct drive type and is provided with a Y shape strainer stainless steel 20 mesh inch to protect the valve seat 11 自动排油装置由一个油位检测探头和电磁阀组成 电磁阀是直接驱动类型并且装有一个 Y 型过滤器 不锈钢 20 目 英寸 以保护阀座 Oil Level Detector油位探针 12 The oil level detector detecting probe is provided in the 2nd chamber to activate alarm when the oil water interface reaches the detector level This detector works in the same principle as that of the oil level probe 12 油位探针安装在第二腔室 当油水混合物的分界面达到油位探针高度时会发出警报 这个探 针的工作原理跟油位检测探头一样 Heating Equipment加热装置 13 Our HSN oily water separators are provided with steam heaters to heat up separated oil when it is high viscosity and relative density oil 13 我们的 HSN 油水分离器装有蒸汽加热器 当要分离的油钻度和相对密度太高时可以加热 B Multiple Choice选择题 Questions 1 2 are based on paragraph 1 根据课文第 1 段回答问题 1 20 1 The oily water separators perform functions except 1 除了 油水分离器起作用 答案 C A when pumping out bilges排舱底水时 B when cleaning oil tanks清洗油舱时 C when ballasting 加压载水时 D when deballasting排压载水时 2 According to MARPOL convention water that has to be discharged should 精品文档 4欢迎下载 contain less than ppm of oil 2 根据 MARPOL 公约 排出的水中含油不超过 ppm 答案 D A 100 B 60 C 12 D 10 Questions 3 14 are based on paragraphs 2 13 根据课文第 2 13 段回答问题 3 14 3 Heishin oily water separator model HSN F is composed of the following components except 3 以 HSN F 型为代表的 Heishin 油水分离器 由下列部件组成除了 答案 A A fine filter element细过滤元件 B heating equipment加热设备 C automatic oil discharge device 自动排油装置 D oil level detector油位探测器 4 Rough separation of oil from bilge water in the 1st chamber is achieved by using 4 舱底水在一级腔室中油的粗分离通过 实现 答案 B A single parallel plates单层平行分离盘 B multiple parallel plates多层平行分离盘 C multiple series plates多层串联分离盘 D single vertical plates单层垂直分离盘 5 The function of coalescer in the 2nd chamber is to 5 第二级腔室中的凝聚过滤器的功能是 答案 A A allow small particles of oil to coagulate使小油粒凝聚 B allow larger particles of oil to escape使大油粒溢出 C prevent clogged strainer 防止粗滤器堵塞 D prevent the damage of fine filter 防止细滤器损坏 6 If the coalescer in the 2nd chamber is contaminated what should you do 如果二级腔室中的凝聚过滤器脏污了 你该怎么做 答案 C A To replace it with the stand by 更换备用件 B To wash it by special cleaner 用特殊洗涤剂清洗它 C To restore it by washing with steam or hot water 用蒸汽或热水冲刷 D To wash it by paraffin 用石蜡清洗 7 The separation function in the 1st chamber is dealing with bilge water mixed with 一级腔室的分离作用是处理 舱底水 答案 A A high density fuel oil and particles of oil which are larger than 60 microns in size 高密度燃油和大于 60 微米的油类颗粒 B high density fuel oil and particles of oil which are smaller than 60 microns in size 高密度燃油和小于 60 微米的油类颗粒 C oil of 15 20 microns particles only 介于 15 20 微米的油粒 精品文档 5欢迎下载 D low density fuel oil equals with water与水相同的低密度燃油 8 The coalescers in the 2nd chamber are made of 二级腔室中的凝聚过滤器由 制成 答案 D A 18 8 stainless steel only18 8 号不锈钢 B 18 8 stainless steel and heat resistant glass fibre18 8 号不锈钢和耐热玻 璃纤维 C 18 8 stain steel and corrosion resistant glass fibre18 8 号不锈钢和抗腐蚀 玻璃纤维 D 18 8 stainless steel and heat corrosion resistant glass fibre18 8 号不锈 钢和耐热抗腐蚀玻璃纤维 9 Some components are fitted between 1st and 2nd chamber they are the following except 介于一级和二级腔室之间有一些部件 除了 以下都是 答案 B A the connecting pipe连接管 B coalescer凝聚过滤器 C the self clearing T shape strainer T型自清滤器 D the non return valve 止回阀 10 Which of the following statements is not true concerning the oil discharge pipe 下列关于排油管的叙述哪一项是不正确的 答案 D A A solenoid valve is fitted in the 1st chamber to discharge oil from the 1st chamber 第一腔室装有电磁阀来向外排油 B A globe valve is fitted in the 2nd chamber to discharge oil from the 2nd chamber 第二腔室装有球阀来向外排油 C The two oil discharge pipes from the two chambers join together to form a single oil outlet 第一腔室和第二腔室引出的排油管汇集在一起形成一个单一的 油出口 D The two oil discharge pipes from the two chambers form two separate oil outlets 第一腔室和第二腔室引出的排油管 形成独立的油出口 11 What will happen if the oil water interface reaches the oil level probe 如果油水界面达到油位探测器将会发生什么 答素 B A The cut out of the device will be checked immediately 设备停止 立即检查 B Activate alarm 产生报警 C Activate automatic oil discharge process 启动自动排油过程 D Nothing 什么都不会发生 12 Which of the following statements is true according to the text 根据文章 下列哪项叙述是正确的 答素 C A The element inside of the T shape strainer is made of stainless steel with 20 mesh inch T 型粗滤器内部的元件是由 20 目 英寸的不锈钢制作而成 精品文档 6欢迎下载 B The element inside of the Y shape strainer is made of stainless steel with 50 mesh inch Y 型粗滤器内部的元件是由 50 目 英寸的不锈钢制作而成 C The element inside of the T shape strainer is made of stainless steel with 50 mesh inch T型粗滤器内部的元件是由 50 目 英寸的不锈钢制作而成 D The element inside of the A shape strainer is made of stainless steel with 20 mesh inch A 型粗滤器内部的元件是由 20 目 英寸的不锈钢制作而成 Task 2 Vocabulary and Structure 任务 2 词汇与结构 A Technical Terms 专业术语 Translate the following into Chinese 将下列词组译成汉语 1 oily water separator油水分离器 2 oily emulsion油乳化 3 photosynthesis光合作用 4 re aeration再充气 5 mass pollution严重污染 6 high density fuel oil高密度燃油 7 glass fibre 玻璃纤维 8 fine filter element细滤器元件 9 connecting pipe连接管 10 T shaped strainer T 型粗滤器 11 non return valve止回阀 12 self cleaning自清洗 13 foreign matter外来杂质 14 oil dis