液氨用液位计

合成氨专用液位计Synthesis ammonia special fluid level gauge一、产品简介 Product Introduction 本品为涉及一种在化肥厂氨分离器或冷交换器上使用的控制分离器或冷交换器内液态氨液位的合成氨专用液位计 This product is involving the synthesis ammonia special fluid level gauge used on the ammonia separator or cool exchanger of fertilizer plant to control the liquid ammonia level inside the separator or exchanger. 合成氨专用液位计背景技术：目前在合成氨车间使用的液位计，均采用模拟电路控制技术，其主要缺点有以下几点：For the background technology of synthesis ammonia special fluid level gauge, at present the fluid level gauges used in the synthetic ammonia workshop are all adopting the analog circuit control technology, but it shall also have the disadvantages as following: 1.首次安装液位计，首次校准时，零点和量程值相互影响，必须反复调整若干次，才能安全校准。While installing the level gauge at first time, to make first calibration, the zero point and measuring range value shall impact each other, it must to adjust several times repeatedly so that to gain the safe calibration 2.电路板损坏现场更换时，由于设备上的液位不容易保持到标准的零点和量程位置，根本无法校准零点和量程位置 While replacing the damaged circuit board, because that the fluid level on the equipment really can not keep at the standard zero point and measuring range position easily, it simply cannot calibrate the zero point and measuring range position 3. 温度漂移大，稳定性差。元器件温漂或者线性差时，模拟电路很难对这些性能修正，造成仪表精度下降和稳定性差 Due to the large temperature drift, the stability is quite poor. Where there’s the temperature drift or linear difference on the component, the analog circuit really can hardly correct these performances, thus causes the decreased instrument accuracy and poor stability 合成氨专用液位计发明目的：本实用新型的目的在于克服现有技术中存在的不足而提供一种精确度高、调教简单、安全可靠、抗干扰性能强、现场更改工作方式灵活方便的合成氨专用液位计 The aim for inventing the synthesis ammonia special fluid level gauge: this new utility model is aiming to overcome the existed deficiency in current technique and then provide a synthesis ammonia special fluid level gauge with higher accuracy, simple adjustment and calibration, safety and reliability, strong anti-interference capability, flexible and convenient means to change work mode on site 本实用新型设计一种在化肥厂氨分离器或冷交换器上用的控制分离器或冷交换器内液态氨液位的合成氨专用液位计，传感器信号输出端与电容电压信号转换电路输入端相连，时钟发生器集成电路与电容电压信号转换电路输入端相连，单片机微处理系统输出端上设有PC机通讯接口和液晶显示接口，单片机微处理系统输入端还连有按键矩阵电路，单片机微处理系统输出端上还连有电压电流转换模块，电压电流转换模块输出输入端口通过两线制模式与24v电源输入端相连，电压电流转换模块输出端为整机提供基准电压，具有精确度高、调校简单、安全可靠、抗干扰性能强、更改工作方式灵活方便的优点。 This new utility model is designated for a synthesis ammonia special fluid level gauge to be used in the ammonia separator or cool exchanger of fertilizer plant for controlling the liquid ammonia level in the separator or cool exchanger, the output end of sensor is connected with the input end of capacitance- voltage signal conversion circuit, clock generator integrated circuit is also connected with the input end of capacitance- voltage signal conversion circuit, the PC communication interface and LED display interface are all set on the output end of the DSP micro processing system, at the output end of DSP micro processing system there also connected with the key matrix circuit, the voltage-current conversion module is also connected with the output end of DSP micro processing system, the input/ output interface of voltage-current conversion module are connected with the input end of 24V power supply via the 2-line system mode, the output end of voltage-current conversion module can provide the whole machine with the reference voltage, it has the advantages such as high accuracy, simple adjustment and calibration, safety and reliability, strong anti-interference capability, flexible and convenient means to change work mode on site 二、合成氨专用液位计特点 Features of synthesis ammonia special fluid level gauge 1.按键设置零点和量程，操作简单； To set the zero point and measuring range by the keys, the operation is quite simple 2.在现场输入任意两点液位真值，自动计算和储存零点和量程值 To input the real fluid level value between any two points on site, it can calculate and store the zero point and measuring range automatically 3.采用数字修正处理技术，精度高，稳定性好。By adopting the digital adjustment processing technology, it has the high accuracy with good stability. 三、产品图片 Product photo 四、合成氨专用液位计技术参数 The technique specification for synthesis ammonia special fluid level gauge Measuring range: optional within the range of 300-5000mm 测量范围：300-5000mm范围内任意选用Working pressure 工作压力：0-40MPaOutput signal 4-20mA can be overlapped with HART 输出信号：4-20mA可叠加HARTAccuracy grade 精度等级：0.5% FS；Explosion-proof symbol: 防爆标志：ExibllBT5 Gb Installation mode: flange mounting安装方式：法兰连接Applicable medium: liquid ammonia, methanol etc. 适用介质：液氨、甲醇等介质； 五、安装示意图 Installation diagram 六、产品选型 Product selection FY2BN合成氨液位计选型表 Selection table for synthesis ammonia fluid level gauge 产品Product类型 Type1合成氨专用（耐压22MPa)≤200℃For synthesis ammonia only (pressure resistance 22MPa) ≤200℃2合成氨专用（耐压32MPa)≤200℃For synthesis ammonia only (pressure resistance 32MPa) ≤200℃输出Output信号SignalA4-20mA信号输出，液晶显示4-20mA signal output, LED display B4-20mA+HART协议，液晶显示4-20mA + HART protocol, LED display代码Code测量范围Measuring rangeL1500mmL21000mmL()特殊规格请在括号内填写Special requirement please fill in the brackets代码Code 接液材质Fluid receiving materialD请在订货时备注Please specify while ordering 连接方式Connection modeF法兰安装(需提供公称直径）Flange connection (nominal diameter shall be provided)M螺纹安装（需提供尺寸）Screw thread mounting (dimension shall be provided)特殊要求请备注Special request please leave remark accordingly.合成氨液位计Synthesis ammonia fluid level gauge 七、Ordering instructions: 测量范围 Measuring range工作压力 Working pressure连接方式 Connection mode 测量介质 Measuring medium

聊城卫路电子科技有限公司是专业从事有毒有害气体/可燃气体检测设备的研发、销售、售后维护于一体的技术企业，公司自成立以来，致力于向客户提供满足其应用安全需求的产品、服务和系统解决方案。欢迎致电： 手机: （李女士）WL-2000 液氨气体报警控制器功能实用、操作方便，可以与WL-1000系列液氨气体探测器配套组成工业用气体报警系统。WL-2000型液氨气体控制器 采用壁挂式安装；液晶显示，全中文菜单操作；可连接的多通道的三线制4-20mA气体探测器，具有保护功能，安装方便；自动故障检测，能准确指示故障部位及类型；内置大容量数据存储，能记录大于1000条报警信息、大于500条开机时间信息以及大于500条关机时间信息，信息掉电不丢失（选配）；RS485总线通讯接口，能实现与上位机控制系统联网，实现异地监控，大大提高可监控的及时性、准确性（选配，标准Modbus/RTU协议）。内置3组继电器触点信号输出，可联动控制排风扇或电磁阀等设备。联动信号可手动或自动输出。主要技术指标：安装方式：壁挂式安装工作电压：主电 AC220V±15%, 50Hz±1% 备电容量：1.2AH （选装配件；其他容量可定制） 功 耗：≤10W工作温度： -20℃～+55℃ 工作湿度： ≤93%RH传输距离：≤1000米 连接线缆：≥3*0.75mm2 屏蔽线报警声音：≥75dB报警方式：声、光报警；声音报警：分故障报警，浓度报警两种不同的声音 光 报 警：通过LED显示出系统状态、电源状态联动输出：低报、高报、故障（蜂鸣器）3组继电器输出通讯接口：与上位机通信的RS485总线通讯接口（选配）重 量：2kg 外形尺寸：305mm×230mm×95mm WL-1000液氨气体探测器适用于气体生产、运输、储存、灌充和使用的环境中，检测气体的危险、极限浓度。输出相应的报警信号和控制信号，防止气体泄露后发生事故。WL-1000型液氨气体探测器，允许适用于具有防爆要求的场所。 WL-1000液氨气体探测器产品特性：?先进的微处理器技术，防爆设计，快速，可信，稳定。?12-30V直流电源供电?输出信号 4-20mA模拟信号/RS485信号 ?反应速度快，测量精度高?较低的安装费用，维护费用低液氨气体探测器技术参数：量程：0-99%LEL\0-1000ppm\0-100ppm\0-30%VOL最小读数：1%LEL\1ppm\0.1ppm\响应时间：≤30秒传感器寿命：24个月传感器类型:催化燃烧式\电化学式\半导体式\红外\PID光离子精度：＜±5%（F.S）　电源： 12-30V直流电源供电检测方式：扩散式工作方式：长期连续工作连线方式：m20*1.5外螺纹防爆软管电缆规格：型号RVVP3×1.0mm2信号传输距离：≥1000米结构材料：压铸铝防爆标志：Exd II CT6防护等级：IP65工作温度：-40～55℃（特殊要求根据需要而定）工作湿度：≤90%RH相关产品：液氨报警器，液氨泄漏报警器，液氨浓度检测仪，液氨气体浓度检测仪当然，关于液氨气体检测仪这里介绍的比较少，如需要更加详细专业技术指标要求，请联系我们。联系人：李经理 电话： 手机: 邮箱： QQ

液氨采样钢瓶满足标准：符合GB8570《液体无水氨实验室样品的采取》国家标准。适取范围：适用于液体无水氨样品的采取。液氨采样钢瓶材质：不锈钢容积：1L。设计压力：4MPa。液氨采样钢瓶规格：1000ml普洛帝荣誉出品：全程取样器，汽油取样器，柴油取样器，重油取样器，渣油取样器，薄壁加重取样器，天然气采样钢瓶，防静电采样绳，三酸取样器，耐酸点采样绳，沥青取样器，石油实验室分析仪器，油液颗粒度分析仪，颗粒计数器、颗粒计数仪、颗粒计数系统、油液取样器，颗粒度取样瓶等