20160519中策(泰国)制氮机技术协议解读.pdf
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1、 中策橡胶(泰国)有限公司项目 KDN-1000/30Y高纯氮设备 技术协议 technology agreement 需方:中策橡胶(泰国)有限公司 Purchaser:ZC Rubber(Thailand)CO.,LTD 供方:青岛华控能源科技有限公司 Supplier:Qingdao Sinoesco Energy Technology Co.,Ltd 2016 年 5 月 30 日 一、深冷法制氮系统 Cryogenic Nitrogen 1概述 1Outline 供货方根据本技术附件中的参数、条件和要求,提供成套设备,包括制氮界区内的各单机设备、所必要的辅助设备、容器、控制柜、备件、
2、管道、管件、阀门、填料以及相应的底盘、支架、平台、成对法兰、地脚螺栓等全套系统设备。According to the suppliers technical annex parameters,conditions and requirements,we provide complete sets of equipment,including the stand-alone devices nitrogen industry zone,the necessary auxiliary equipment,containers,control cabinets,spare parts,pipes,k
3、ey,and valve packing the appropriate chassis,frame,platform,paired flanges,anchor bolts,such as full system equipment.本技术附件及招标过程中的澄清文件将成为最终合同附件的一部分,与合同附件具有同样的法律效应。The technical annex to the tender process and the clarifications will become part of the final contract annex,and the annex to the contra
4、ct has the same legal effect.另:Others:计量单位说明:Description the Unit of Measure:根据中国法定使用单位,使用单位如下:According to Chinese legal use of the unit,and use the following.标准状态气体流量(0、1 个大气压):Nm3/h Standard state gas flow(0、1Atm):Nm3/h 压力:kPa、MPa Pressure:kPa、MPa 温度:Temperature:除非特殊说明,所有用“kPa”、“MPa”表示的压力均为表压。Unl
5、ess otherwise noted,all pressure expressed by“kPa”、“Mpa”is Gauge pressure.除非特殊说明,所有的浓度以体积浓度“ppm”表示。Unless otherwise noted,all concentration is expressed by volume concentration”ppm”.未说明的计量单位均采用“SI”制。Unspecified units of measurement are used SI system.2.工艺描述及性能要求 2.Process Description and performance
6、 requirements 2.1 流程描述 2.1Process Description 本方案装置所需要的空气由用户提供,通过一套自动控制系统,根据氮气的产量,从空气管网中,自动控制进入装置的压缩空气量。用户提供压缩空气含油量小于 5ppm。The program means the air required by the user,through an automatic control system,automatic control based on nitrogen production from air pipe network access device in the amou
7、nt of compressed air.The oil content of compressed air supplied by the users should be less than 5ppm 压缩空气进入预冷系统冷被冷干机冷却到 58,露点温度 58 摄氏度,之后复热到 2532去纯化系统。这个系统由空气冷干机和三级油过滤器等设备组成,在除去空气中水分的同时,除去空气中的油雾,使其含油量降至满足空分设备的要求。Compressed air into the pre-cooling system is colded and drought to 5 8,dew point tempe
8、rature 5 8 by cold and dry machines,then re-heated to 25 32 to purification system.The system consists of cold and dry air and tertiary oil filters and other equipment in the removal of moisture in the air while removing oil mist in the air,so that the oil content down to meet the requirements of an
9、 air separation plant.纯化系统中的吸附器由两台立式容器组成;两台吸附器采用外绝热双层床结构,当一台运行时,另一台则由来自冷箱中的污氮通过加热器加热后进行再生。Purification System adsorber vessel by two vertical composition;two adsorber with external insulation bunk bed structure,when one runs,another from the cold tank by nitrogen pollution through the heater heating
10、 regeneration.分子筛纯化器采用双层床结构,吸附器切换再生采用恒流量控制方式,改善主塔工况的稳定性。分子筛吸附系统布置紧凑,吸附剂和切换阀门使用寿命长,系统切换损失小,有防止分子筛吹翻措施和可能吹翻的处理措施。MS purification uses a bunk bed structure,switching adsorber regeneration using constant flow control,improve the stability of the main tower operating conditions.Molecular sieve adsorption
11、 system compact layout,adsorbents and switching valves long life,the system switches loss,molecular sieves blown measures and possible measures to prevent blown processing.净化后的空气分为两部分,一部分作为仪表空气和装置膨胀机加温气、一部分进入板式换热器冷却,接近液化点后进入下塔参与精馏,下塔精馏后顶部得到满足纯度的氮气,氮气进入主冷氮侧冷凝后成为液氮,一部分液氮回流下塔顶部做回流液,一部分作为液氮产品。Purified a
12、ir is divided into two parts,as part of the expansion device and instrument air warming gas,into a part of the plate heat exchanger cooled,liquefied close involvement rectification column into the next point after the top of the next column distillation are met purity nitrogen nitrogen main cold liq
13、uid nitrogen become condensed nitrogen side.Part of a stream of liquid nitrogen will be top of the column as reflux,as part of the liquid nitrogen product.从主冷凝蒸发器中来的污氮气经过过冷器、主换热器复热至一定温度后膨胀制冷,然后去主换热器复热至常温,部分作为分子筛再生气进入纯化系统,其余到放空。From the main condenser to the evaporator nitrogen pollution through subc
14、ooler,main heat exchanger after the re-expansion refrigeration heat to a certain temperature,and then to re-heat the main heat exchanger to ambient temperature,as part of the regeneration gas into the molecular sieve purification system,to rest vented.在精馏塔顶部,纯氮气作为合格的产品氮气经主换热器复热后从冷箱引出。At the top of t
15、he rectification column,after the pure nitrogen nitrogen as qualified products through the main heat exchanger complex extracted from the cold box 2.2 设备设计参数 2.2Equipment design parameters 2.2.1 产品指标 2.2.1Product index 设计工况(考核工况)Design conditions 调节范围 Adjustment range 氮气产量 Nitrogen production 1000 N
16、m3/h 4001000 Nm3/h 氮气纯度 Nitrogen purity 2PPmO2 2PPmO2 出冷箱压力 Outsaid Cold box nitrogen pressure 0.50.55Mpa(G)0.50.55Mpa(G)液氮产量 Liquid nitrogen production 30L/h 液氮纯度 Purity liquid nitrogen 2PPmO2 2PPmO2 出冷箱压力 0.50.6Mpa(G)0.50.6Mpa(G)Liquid nitrogen outsaid cold box pressure 2.2.2 气氮比 2.2.2Air and nitr
17、ogen ratio 2.8 2.2.3 工作压力 2.2.3Working pressure 0.70Mpa(G)0.70 Mpa(G)2.2.4 连续运转周期 Continuous operation cycle 分馏塔系统二年以上 Fractionator system more than two years 2.2.5 启动时间 2.2.5 Start Time 12 小时 2.2.6 冷启动时间 2.2.6Cold start time 停车 1 小时1 天 13 小时(塔内有液体)Stop:1h1d 13h(with liquid in tower)停车 1 天3 天 34 小时(
18、塔内有液体)Stop:1d3d 34h(with liquid in tower)注:产品流量 Nm3/h 是指 0和 101.3kPaA 时的干燥气体体积。所用压力是表压,除非特别标注说明。流量、压力和温度均指相应的界区端点值。Note:Product flow Nm3/h refers to the volume of dry gas at 0 and101.3kPaA.3供货范围 3.Scope of supply(1)空气冷干机 一台(1)Cold and dry air 1 set 空气处理量 Air handling capacity 65 Nm3/min(大气 0,0.1013
19、MPa)65 Nm3/min(大气 0,0.1013 MPa)进气温度 Intake air temperature 42 42 出气温度 Outlet temperature 58 58 空气进口压力 Air inlet pressure 0.68 MpaG 0.68 MpaG 冷却方式 cooling method 水冷 Water-cooled 电源 power supply AC 380V/220V,50HZ AC 380V/220V,50HZ 适应工作制 Applicable duty 连续工作 continuously working 额定输入功率 Rated input powe
20、r 8.5+8.5kw 8.5+8.5kw 法兰公称压力 Nominal flange 1.6MPa 1.6MPa 压力损耗 Pressure loss 0.02MPa 0.02MPa 制冷剂 Refrigerant R134A/R407C R134A/R407C 控制方式 control method 仪表控制 Instrument control 冷却水压力 Pressure of cooling water 0.20.4 MPa 0.20.4 MPa 冷却水进口温 Cooling water inlet temperature 35 35 冷却水量 cooling water consu
21、mption 6+6m/h 6+6m/h 安装方式 way to install 平整水泥地面,无基础安装 Smooth cement floor,without foundation installation 配置 2 台进口全封闭制冷压缩机,当小产量生产时,只需 1 台压缩机工作,当考核工况生产时,2 台压缩机同时工作,达到减少能耗的目的。With two sets of import enclosed refrigeration compressor,when miscarried volume production,only one compressor work,when the i
22、nspection condition of production,two compressor work at the same time,achieve the goal of reducing energy consumption 2 台压缩机启动方式为自动启动。Two compressor startup mode to start automatically 带空气进、出口温度和露点温度远传输出,输出信号 PT100。With the air temperature and dew point temperature at the inlet and outlet of the re
23、mote transmission,PT100 output signal 空气进、出口压力远传输出,输出信号 4-20mA。Air inlet and outlet pressure far transfer out,4-20 ma output signal 生产厂家 manufacture factory 杭州山立 (2)前置一级精过滤器 二台 Lead level of fine filter 2sets 空气处理量 Air processing 7800Nm3/h 压力损耗 pressure loss 0.02MPa 过滤精度 filter fineness 1ppm 供货厂家 ma
24、nufacture factory 杭州山立 (3)后置二级油过滤器 二台 Post secondary oil filter 2sets 空气处理量 Air processing 7800Nm3/h 压力损耗 pressure loss 0.015MPa 过滤精度 filter fineness 0.1PPM 供货厂家 manufacture factory 杭州山立 (4)后置三级油过滤器 二台 After the tertiary oil filter 2sets 空气处理量 Air processing 7800Nm3/h 压力损耗 pressure loss 0.015MPa 过滤精
25、度 filter fineness 0.01PPM 供货厂家 manufacture factory 杭州山立 (5)活性炭罐 一台 Activated carbon tank 1set 空气处理量 Air processing 活性炭装填量 Activated carbon loading quantity 3900 Nm3/h400 kg 400 kg 压力损耗 pressure loss 0.01MPa 过滤精度 filter fineness 0.001PPM 供货厂家 阿普达 manufacture factory Apuda(6)纯化器一套 Purifier 1set 型号 mod
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