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年产30万吨合成氨项目

 

所属行业   石油化工 项目地区  湖北省   宜昌市   枝江市
总投资  30000 (万元) 合作方式  独资、合资、合作
 

年产30万吨合成氨项目

  一、项目前景分析
  美国SRI咨询公司最新研究报告指出,由于过去几年合成氨产能的削减,全球合成氨市场目前供求趋紧,美国合成氨生产装置的开工率已处于90%的高位。SRI称,未来几年全球合成氨市场需求有望以年均1.3%的速度增长。国内合成氨的生产量近几年产量也在逐步增长。
  湖北省近年来由于磷复肥工业的快速发展,对液氨的需求快速增长,使湖北省液氨市场存在较大缺口。据初步的市场调查,今后几年湖北省液氨缺口量有40万吨,而且需求厂家大都在宜昌和荆门地区。比较同类制氨装置的投资额和能耗,天然气比煤和石脑油均要低,因此用天然气生产合成氨,具有显著的优势。
  近两年来,由于原料价格的增加和下游需求的增长,合成氨价格呈逐步上扬的态势。投资此项目具有良好的经济效益。
  二、项目背景
  该项目依托于湖北化肥厂原天然气制氨装置的前段设备(天然气制气装置)。湖北化肥厂于1974年开工建设,1980年投产,是湖北省大型化肥企业。主生产装置是20世纪70年代初从国外成套引进的,原设计以天然气为原燃料,后因川气出川未成功,逼迫改为以石脑油为原料。装置设计能力为年产合成氨30万吨,尿素52万吨。与生产装置配套建有5座码头,1座铁路卸油站,1条23公里的铁路专用线和1个铁路工业站,铁路年运营能力在100万吨以上。有自建水厂,年产2000万套的编织袋,两台240吨/小时的高压燃煤锅炉和1台2.5万千瓦/小时的发电机组。
  自1994年开始油价不断攀升,使得企业生产成本也随之不断上升。因此,该公司在2000年开始着手进行原料路线煤代油改造,该项目于2002年3月获得原国家经贸委批准。项目于2003年10月正式开工建设,目前项目空分装置已于去年底正式投产,整个项目预计将于2006年5月建成。
  煤代油项目改造主要内容:煤气化部分,利用壳牌煤气化技术建设煤气化装置(日处理煤2000吨),配套建设48000Nm3(氧气)/小时大型空分装置。净化部分:新建脱硫变换、低温甲醇洗、甲烷化、冰机、硫回收等装置,设计能力按日产氨1200吨配套,公用工程及辅助工程相应填平补齐。利用现有氨合成回路及尿素装置生产合成氨和尿素。项目建成后,年产合成氨39.6万吨,尿素57万吨,富余商品液氨6.6万吨。项目原设计有20万吨甲醇,现缓建,因此项目建成后,空分、煤气化将在75%的负荷运行。
  为满足煤代油项目蒸汽和电的供应,对动力站进行了扩建,新建1台220吨/小时高压煤粉锅炉和1台2.5万千瓦/小时发电机组,动力站可达到3炉2机,有大量的蒸汽和电富余。
  该公司在进行煤代油项目改造后,原有的石脑油制氨装置(即1974年设计的天然气制氨装置)的前段装置(天然气制气装置)被闲置。因此,2004年,利用中石油天然气输气管道“忠武线”年底建成投运的有利条件,在市政府和各部门的大力支持下,该公司对该装置进行了天然气改造,恢复原有天然气制氨流程,2005年2月建成投产,目前生产运行和经济效益情况较好。但当煤代油项目改造完成后,该天然气制气装置将再次被闲置。
  该公司下一步发展思路:根据目前装置能力较大,拟新增一套30万吨氨合成回路,准备引进一套二手设备(合成气压缩机、冰机、氨合成系统等),与该闲置的天然气制气装置配套,组成一套新的以天然气为原料生产合成氨的装置,初步估算投资1.9亿元。
  待煤气化装置运行正常后,准备重新启动20万吨甲醇建设。
  三、项目建设条件
  该项目拟建于湖北省枝江经济技术开发区。枝江条件优越,很适于发展此项目。①用电、用水、天然气条件得天独厚。全市拥有220千伏及其他变电站15座,距三峡大坝、葛洲坝、隔河岩三大电站均在50公里半径范围内,素有“三峡电力外送走廊”之称,近期可望实现过网直供。境内江河纵横,水资源十分丰富,尤其是长江岸线长,过境水取之不尽,市区现已建有日产10万吨的自来水厂。国家重点工程天然气忠武线横贯枝江市,并在枝江设有站点分流至湖南和襄樊等地。②区位优越。以枝江为中心600公里半径的区域内,覆盖了十几个省会及大中城市。以枝江为基地,南北东西,发展空间广阔。③交通便捷。万里长江贯市东去,焦柳铁路纵穿南北,并在市内设有编组站,宜黄高速公路和318国道并行东西,属于沪(上海)蓉(成都)高速接线道,距宜昌海关50公里,三峡国际机场仅距市区30公里,市域内90多公里长江沿线建有8大港口,年货运吞吐能力达到300万吨,交通网络水、陆、空、铁四位一体。④劳动力资源丰富。枝江市现有劳动力17.41万人,企业用工工资水平平均每月在500元左右,劳动力受教育程度在中专以上的占总数的95%以上。
  四、生产工艺
  该装置采用天然气蒸汽中压转化制气、高、低温变换、苯菲尔溶液脱碳、甲烷化精制、15MPa合成氨。
  五、项目投资及经济效益估算
  新增合成回路和冷冻系统投资约1.9亿元(采用进口二手设备)或3亿(全新设备)。年利润总额约1亿元(采用进口二手设备)。
  六、合作方式
  湖北化肥厂原有从输气站、脱硫、一二段转化、变换、脱碳到甲烷化的整套精制气生产能力,现需新投资建设合成、冷冻系统。合作方式,可以采用将原有设备资产重新作价与新增资产合并作为总股份,双方按出资(持股)比例组成合资公司。
  七、联系方式
  联系单位:枝江市招商管理局
  联 系 人:覃传发    朱华民
  联系电话:013308609509    013997725018    0717-4501501
  传    真:0717-4501508
  E-mail:zjzsj@126.com     zhshj@zhijiang.gov.cn


  Project with Annual Production Capacity of 300,000 tons of Synthetic Ammonia

  A. Prospect Analysis of the Project
  The American SRI consultation company newest memoir points  out that  because of the reduction of the productivity of synthetic ammonia in the past several years, the supply and  demand of the global synthetic ammonia market at present hastens tightly, the production capacity of the American synthetic ammonia installment utilization has located 90% high position, SRI states, in the future several years,the demand of global synthetic ammonia market hopefully grows by yearly average 1.3% speeds. The productivity in domestic synthetic ammonia nearly several years are also growing gradually.
  Because of the rapid development of industry of phosphate compound fertilizer in Hubei Province in recent years,  the fast growth of demand of liquid ammonia ,the liquid ammonia market in Hubei Province exist bigger gap. According to the preliminary market investigation, from now on several year later, quantity of gap of liquid ammonia in Hubei Province will have 400000 tons, moreover, the demand factories are mostly in Yichang and Jingmen area. Compared with investment cost and the energy consumption of the similar system ammonia installment, the natural gas is lower than the coal and the naphtha, therefore it has the remarkable superiority by using the natural gas to produce synthetic ammonia. 
  In recent two years, as a result of increase of the raw material price and growth of the downriver demand, the price of the synthetic ammonia assume the situation on gradually raises.It has the good economic efficiency for investing this item.
  B.Project Background
  This item depends on the front section equipment of original natural gas system ammonia installment of Hubei chemical fertilizer factory. The Hubei chemical fertilizer factory began the construction in 1974, in 1980 went into production, it is the large-scale chemical fertilizer enterprise in Hubei Province. The host production installment was introduced by complete set from the overseas at the beginning of 70&*!s in 20th century, the original design took the natural gas as the crude fuel, latter forced to change to take the naphtha as the raw material. The designed capacity of the installment is the annual production of 300000 tons of the synthetic ammonia, 520000 tons of urea. It has set up five wharfs, one unloads the oil station of railroad, one railroads special-purpose lines with 23 kilometers and 1 railroad industry station, the annual operation ability of railroad is above 1000000 tons. It has the water works, the weave bags with annual production of 20000000 sets, two boilers with high pressures of burn coal of 240 tons / hour and one power sets of 25000 kilowatt/hour.  Since the oil price has increased continuously from 1994, the production cost of the business enterprise has also risen immediately and continuously. Therefore, in 2000, this company began to carry on the reformation of the raw material route of the coal replacing the oil, this item obtained authorizes of the original national economics and trade committee in March of 2002. The item officially began to construct in October of 2003, at present the officially had gone into production at the end of last year, the entire item will be completed in 2006.
  The main contents of item of coal replacing oil: in the part of gasification, constructing gasification installment by using the Shell Oil Company gasification technology (daily processing coal 2000 tons), necessary constructing equipment with large-scale 48000NM3 (oxygen)/hour .in the part of purify: designing the ability to produce 1200 tons/day of ammonia, the public project and the assistance project correspondingly makes up. To make use of the existing ammonia synthesis return route and the urea installment to produce synthetic ammonia and the urea. After the item completes, annual production of synthetic ammonia will be 396000 tons, urea will be 570000 tons, rich extra commodity liquid ammonia will be 66000 tons. The original design of the item has 200000 tons methyl alcohol, it presently contructs slowly, after the item completes, the gasification and the air separation will move in 75% load.
  In order to satisfy the supply of steam and the electricity of coal replacing oil, carried on the extension to the power station, the newly built one set of high-pressured powdered coal boiler of 220 ton / hour and one set of power sets of 25000 kilowatt / hour, the power station might achieve 3 stoves and 2 machines, the massive steam and the electricity remaining rich.
  The next step of development mentality of this company: according to the great ability of installs at present, plans to newly add one set of 300000 ton ammonia syntheses return route, prepares to introduce one set of second-hand equipment (synthetic gas compressor, ice machine, ammonia synthesis system and so on), with natural gas manufacturing gas installment which should leave unused necessary, composes one set of new production synthetic ammonia installment taking the natural gas as the material , the preliminary estimate invests is 190000000 Yuan. .
  After the gasification installment moving normally, 200000 tons methyl alcohol constructions is prepared to re-starts.
  C. Construction Condition of the Project
  The project is planning to build in economic and technical development zone in Zhijiang, Hubei Province, the condition is superior, it is suited for developing this project.
  (1) Richly endowed by natural with the electricity, water, natural gas condition. It possesses 15 substations in the whole city. The five state-level large-scale hydropower stations, such as the Three Gorges Dam, GeZhou Dam, Geheyan Dam, GaoBazhou Dam and ShuiBuya Dam ,are less than 70 kms away from it, it’s usually called “the corridor of output electric power in the Three Gorges area”. There is a waterworks of producing 100,000 tons of water daily in Zhijiang urban area (daily water yield about 30,000 tons now). The state major natural gas plumbing project ZhongWu line traverses here, there is the web site to flow separately to Hunan and Xiangfan in Zhijiang.
  (2) The position is superior. Zhijiang is in the middle of the whole country. Taking Zhijiang as the center of a circle, within 600 kms, you can reach 9 provincial capitals,such as Xi’an, Chongqing, Chengdu, Guiyang, Nanchang, Changsha, Wuhan, Hefei, Zhengzhou and some prefectural-level cities.
  (3) Convenient traffic. The Yangtze River comes across the city from west to east. Jiaoliu railway traverses 37 kms from north and south in Zhijiang with one second class freight transportation marshalling yard and two fourth class freight transport station in the city. Shanghai-Chengdu freeway runs in parallel lines with No.318 national road across Zhijiang. Sanxia International Airport is only 30 kms away from the urban area.There are 8 ports and 46 berths along the 95.5 kms line of the Yangtze River in the city. The handling capacity of annual freight transportation is more than 3 million tons. It possesses the three-dimensional network of communication lines that waterway, highway, railway and aviation are well matched.
  (4) The workforce resources are quite abundant.The population of labour in Zhijiang is 174100, 95% of people passed education above special secondary school. The average monthly salary of the local workforce is about 500 yuan.
  D.Production Technique
  This equipment manufactures synthetic ammonia using transforms of medium pressure of the natural gas steam, transformation of high and the low temperature, the benzene Feir solution decarbonization, the methane purifies, the 15mPa.
  E. Project investment and Economic Benefits
  Newly adding to investment of 190000000 Yuan of synthesizes return route and the freezing system (uses imports second-hand equipment) or 300000000 yuan(all-new equipment). The year profit total amount approximately 100000000 Yuan (use import second-hand equipment).
  F. Cooperation Method
  Hubei chemical fertilizer factory originally possessed the whole set of production ability of refined gas, need the new investment construction of synthesis and freezing system. The cooperation way may use the original equipment  property fixed a price again mergeing the newly added property to be the total stock, both sides constitute the joint venture company  according to the proportion of investment (hold stock)
  G.Contact Method
  Unit: Zhijiang Investment Promotion and Administration Bureau
  Liaison:Qin Chuanfa, Zhu Huamin
  Telephone:013308609509    013997725018    0717-4501501
  Fax:0717-4501508
  E- mail:zjzsj@126.com     zhshj@zhijiang.gov.cn


发布机构   枝江市招商管理局
联系地址   湖北省枝江市招商管理局 邮政编码   443200
联系电话   0717-4501501 传真电话   0717-4501508
联系人   覃传发(局长) 电子邮件   zjzsj@126.com
发布时间   2006-3-8 目前状态   该项目正在招商


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