英语翻译To View on line Electrical Equipment wanted to purchase for 2 new ball mills and new concentrator plant construction Background:Our client is purchasing 2 x 18 foot in diameter by 30 feet long ball mills with an installed power of 5.5 MW

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英语翻译To View on line Electrical Equipment wanted to purchase for 2 new ball mills and new concentrator plant construction Background:Our client is purchasing 2 x 18 foot in diameter by 30 feet long ball mills with an installed power of 5.5 MW
英语翻译
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Electrical Equipment wanted to purchase for 2 new ball mills and new concentrator plant construction Background:Our client is purchasing 2 x 18 foot in diameter by 30 feet long ball mills with an installed power of 5.5 MW for a new mineral project Our client is in the process of designing and building a concentrator plant to process ROM material that has a bond work index of 14) which will be commissioned at the end of 2009.They have a conventional MF1 circuit and plan to treat the Run of Mine material through crushers to produce a nominal minus 100mm material,which will then be fed into two primary ball mills with an installed power of 5.5MW each.These mills will reduce the ore to minus 75 microns.The headfeed to the crushers will be 500 tons per hour and then to each primary mill,250 tons per hour.WANTED to BUY Mill Motors - Medium Voltage 11kV 3 phase squirrel cage and wound rotor Performance Motor shall be m a nufactured for continuous running duty type S1 with a rating class for continuous duty.The rated output of the motor shall be given in the data sheet.The number of poles and synchronous speed shall be given in the data sheet.The motor shall be capable of carrying 150% of rated current for 2 minutes when running at the rated voltage and frequency.The motor breakdown or maximum torque developed between standstill and rated speed shall not be less than 1,6 times the rated torque with rated voltage and rated frequency applied.The motor shall be capable of withstanding an excess torque of 1,6 times the rated torque for a period of 15 seconds without stalling or an abrupt change in speed.Full load slip shall not exceed 2% of the rated synchronous speed.The motor is to be suitable for use on either a solidly earthed or resistive earthed system.A resistive earthed system will be limited to 350 Amp for 30 seconds through a neutral earthing compensator resistor.The mo to r insulation systems shall have a thermal classification of Class F in accordance with the requirements of SABS IEC 60085 and be suitable for operating at any altitude up to 1650 metres above sea level with an ambient air temperature of 40C.The temperature rise shall not exceed Class B minus 10C (stator temperature 70K rise by resistance) when tested at nominal voltage,frequency and rating in accordance with SABS IEC 60034-2 and SABS IEC 60034-2A at an ambient temperature of 40C and corrected for 1650 masl.Switchgear 11000v Single bus-bar 11000v 25kA 95kV BIL metalclad withdrawable modular switchgear.Bus-bar rating 2000A Incomers 2000A Bus-section panel with joggle chamber to be equipped with Fire-wall bus-trunking 1400mm long either side of panel.2000A.25kA 95kA BIL Feeder panels 800A 25kA 95kA BIL PFC feeder panel 25kA 95kA BIL All protection relays to be of the electronic pattern.

英语翻译To View on line Electrical Equipment wanted to purchase for 2 new ball mills and new concentrator plant construction Background:Our client is purchasing 2 x 18 foot in diameter by 30 feet long ball mills with an installed power of 5.5 MW
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电气设备要购买2个新的球磨机和新的选矿厂厂房建筑背景：我们的客户是购买2 × 18英尺,直径30英尺长的球磨机与安装功率为5.5兆瓦的一个新的矿产项目,我们的客户是在设计过程中,建设选矿厂电厂的过程中ROM的材料具有债券的工作指数14日）将委托在2009年年底.他们有一个传统的mf1电路,并计划在对待执行排雷材料,通过破碎机,以产生一个名义减去一〇〇毫米材料,然后馈入两所小学球磨机与安装的权力5.5mw每个.这些造纸厂将减少矿石零下75微米.该headfeed向破碎机将500吨每小时,然后以每所小学轧机,250吨每小时.想购买轧机电动机-中压1 1kv3相鼠笼和绕线转子电机性能应马n ufactured连续运行的责任类型中一与评级,一流的连续责任.额定输出的汽车,应给予在该数据表.有多少波兰人和同步的速度,应给予在该数据表.汽车应能搭载150 ％的额定电流为2分钟时,运行在额定电压和频率.汽车故障或最大扭矩发达国家之间的停顿,额定转速不得少于1,6倍的额定扭矩与额定电压和额定频率的应用.电动机应能经受过剩转矩的1,6倍额定扭矩为一期在15秒内没有拖延或突然的变化速度.满负荷的支路不得超过2 ％的额定速度同步.汽车是适合使用的一种牢固接地或电阻接地系统.电阻接地系统将只限于三百五十○安培为30秒,通过中性点接地电阻补偿.莫到R绝缘系统应具有热的分类,F级,在按照要求sabs的IEC 60085和适合的作业在任何高度达1650米,海平面以上与周围空气的温度40C条.温升不得超过B级零下10 C （定子温度上升,由70k电阻）测试时,以象征式的电压,频率和评级在按照sabs的IEC 60034-2和sabs的IEC 60034 - 2A火箭在环境温度40C条和更正为1650 masl .开关11000v单母线11000v 25ka 95kv胆红素金属包层可更换模块化开关柜.母线评价2000年incomers 2000年巴士节小组与啮合会议厅配备消防墙巴士集群一四零零毫米,只要任何一方的小组.2000年.25ka 95ka胆红素,直属小组800a 25ka 95ka胆红素的PFC直属小组25ka 95ka胆红素,所有保护继电器要的电子模式.

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电气设备要购买2个新的球磨机和新的选矿厂厂房建筑背景：我们的客户是购买2 × 18英尺，直径30英尺长的球磨机与安装功率为5.5兆瓦的一个新的矿产项目，我们的客户是在设计过程中，建设选矿厂电厂的过程中ROM的材料具有债券的工作指数14日）将委托在2009年年底。他们有一个传统的mf1电路，并计划在对待执行排雷材料，通过破碎机，以产生一个名义减去一〇〇毫米材料，然后馈入两所小学球磨机与安装的权力5.5mw每个。这些造纸厂将减少矿石零下75微米。该headfeed向破碎机将500吨每小时，然后以每所小学轧机， 250吨每小时。想购买轧机电动机-中压1 1kv3相鼠笼和绕线转子电机性能应马n ufactured连续运行的责任类型中一与评级，一流的连续责任。额定输出的汽车，应给予在该数据表。有多少波兰人和同步的速度，应给予在该数据表。汽车应能搭载150 ％的额定电流为2分钟时，运行在额定电压和频率。汽车故障或最大扭矩发达国家之间的停顿，额定转速不得少于1,6倍的额定扭矩与额定电压和额定频率的应用。电动机应能经受过剩转矩的1,6倍额定扭矩为一期在15秒内没有拖延或突然的变化速度。满负荷的支路不得超过2 ％的额定速度同步。汽车是适合使用的一种牢固接地或电阻接地系统。电阻接地系统将只限于三百五十○安培为30秒，通过中性点接地电阻补偿。莫到R绝缘系统应具有热的分类， F级，在按照要求sabs的IEC 60085和适合的作业在任何高度达1650米，海平面以上与周围空气的温度40C条。温升不得超过B级零下10 C （定子温度上升，由70k电阻）测试时，以象征式的电压，频率和评级在按照sabs的IEC 60034-2和sabs的IEC 60034 - 2A火箭在环境温度40C条和更正为1650 masl 。开关11000v单母线11000v 25ka 95kv胆红素metalclad withdrawable模块化开关柜。母线评价2000年incomers 2000年巴士节小组与啮合会议厅配备消防墙巴士集群一四零零毫米，只要任何一方的小组。 2000年。 25ka 95ka胆红素，直属小组800a 25ka 95ka胆红素的PFC直属小组25ka 95ka胆红素，所有保护继电器要的电子模式。

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