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

液位计，水位计，矿用液位计，液位传感器，水位传感器，矿用投入式液位计生产厂家，济宁华瑞自动化技术有限公司。 济宁华瑞自动化技术有限公司生产的GUY10矿用投入式液位传感器是采用半导体差压敏感测量探头制成的投入式智能投入式液位测量仪表。该仪器适用于煤矿井下水仓投入式液位的测量以及其它需要测量投入式液位的场所。仪器采用红外线遥控调校，无调节孔，密封性能良好。仪器具有多种信号输出制式，可与国内各种监测系统配套使用。一、GUY10矿用投入式液位传感器型号及其意义　　G----矿用仪器仪表　　U----液体　　Y----压力　　10----测量范围二、GUY10矿用投入式液位传感器技术特性（一）技术参数　　 1、测量范围: 0～10m H2O。　　 2、基本误差：±1%　　 3、分 辨 率： 0.01mH2O　　 4、显示方式：三位LED数码管　　 5、输出信号： 电流　4～20mA（负载电阻500Ω）；　频率 200～1000Hz，5～15Hz；　　 6、工作参数：工作电压DC 18～30V， 工作电流60mA；　　 7、输出信号通过不同接线柱选择电流模拟量或频率模拟量输出；电流模拟量范围为DC 4～20mA（负载电阻500Ω）；频率模拟量范围为200～1000Hz（高电平≥3.0V，低电平≤0.5V）　　 8、本安参数：UI:19V　 Ii：150mA　　Ci：0.1uF　　 Li:0　　 9、防爆标志：Ex　ib　Ⅰ Mb，矿用本质安全型（二）设计　　 1、外形尺寸：175.0mm×115.0mm×48.0mm　　 2、质量：约0.9kg

液位计，液位仪，矿用投入式液位传感器专业生产厂家，济宁华瑞自动化技术有限公司。公司是一家专业生产矿用雷达料位计，液位计，超声波流量计，超声波液位计等矿用产品生产厂家，我公司所生产的各项产品均拥有防爆证，煤安证等矿用安全等级证书。 我公司所生产的液位计适用于煤矿井下水仓投入式液位的测量以及其它需要测量投入式液位的场所。仪器采用红外线遥控调校，无调节孔，密封性能良好。仪器具有多种信号输出制式，可与国内各种监测系统配套使用。 现有产品矿用投入式液位传感器GUY10可测量0-10m的液体测量范围，且能保证误差在±1%，使用环境条件：1、环境温度-5C°-40C°，2、无显著震动、冲击和淋水的场所，3、相对湿度≤95%（+25C°），4、具有甲烷气体混合物及煤尘爆炸危险的煤矿井下，5、大气压力80-116kPa，GUY10采用DC 18～30V的工作电压，工作电流60mA，电流输出信号为4～20mA（负载电阻500Ω）；　频率 200～1000Hz，5～15Hz；且该产品拥有防爆证，煤安证。 经过多年的发展，目前我公司自主研发出多种型号的雷达物位传感器，且广泛应用于煤矿，水泥，电力，钢铁等不同行业，公司产品多样化，可用于井下，地面等不同场所，满足不同客户不同场地的测量需求。同时，公司拥有一支高素质的研发团队，拥有完善的技术服务体系，满足客户售前，售后的各种技术咨询。