一、产品介绍
生产的TK-1100型氨逃逸在线监测系统采用高温伴热抽取技术，对脱硝过程中的逃逸氨进行连续在线监测,系统由取样及传输单元、预处理及控制单元、分析单元三部分构成，主要应用于众多工业领域气体排放监测和过程控制，例如:燃煤发电厂、铝厂、钢铁厂、冶炼厂、垃圾发电站、水泥厂和化工厂、玻璃厂等。
分析仪采用TDLAS技术(可调谐半导体激光光谱吸收技术Tunable Diode Laser Absorption Spectroscopy)，为目前国际最先进的气体测量方法之一，该仪表具有灵敏度高、响应速度快、不受背景气体干扰、非接触式测量等特点，为实时准确地反映NH3变化提供了可靠保证。
TK-1100型氨逃逸在线监测系统取得了环境保护产品认证证书，编号：CCAEPI-EP-2018-893。给全国各地环保公司配套，拿下国内激光器的代理权，并且再次基础上制造出HCL、HF激光测量产品。
关联产品还有TK-1000型烟气排放连续监测系统可以辅助测量氨逃逸的同时测量SO2、NOX、颗粒物等污染源参数。
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二、设计依据
系统遵循下述标准和规范：
GB-12519-2010 分析仪器通用技术条件
ISA S5.1 仪表符号和标志
GB 50093-2013 自动化仪表工程施工及验收规范
GB 3095-2018 环境空气质量标准
GB16297-2017 大气污染物综合排放标准
HJ75-2017 固定污染源烟气(SO2、NOX、颗粒物)排放连续监测技术规范
HJ76-2017 固定污染源烟气(SO、NOX、颗粒物)排放连续监测系统技术要求及检测方法
HT212—2017 污染源在线自动监控(监测)系统传输标准
GB/T 15464-2008 仪器仪表包装通用技术条件
GB/T 191-2008 包装储运图示标志
三、测量项目
测量参数：NH3；
四、测量位置
测量位置：烟气排放口、烟道、SCR脱硝反应器出口等
五、测量方法
烟气采样方法：高温抽取式；
NH3测量方法：可调谐半导体激光光谱吸收技术TDLAS；
六、系统特点
氨逃逸在线监测主要具有以下技术优势：
可靠的长光程加热气室设计，光程可达760mm；
超低浓度测量，分辨率可达0.1ppm；
半导体激光的谱宽小于0.001nm，避免粉尘和水份交叉干扰；
免标定设计，维护简单，使用成本低；
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七、典型应用
SCR/SNCR脱硝工艺控制
发动机尾气排放控制
大气环境监测
化工工艺控制
八、技术指标
|
工作条件
|
电源
|
220VAC，<3kW
|
|
吹扫气体
|
（0.4~0.8）MPa压缩空气
|
|
环境温度
|
-20℃~55℃
|
|
性能指标
|
光通道长度
|
760mm
|
|
量程范围
|
0～20 (PPM或mg/m3)(量程可调)
|
|
T90响应时间
|
<15秒
|
|
测量精度
|
≤ ±2% FS
|
|
重复性
|
≤ ±2% FS
|
|
漂移
|
≤ ±2% FS
|
|
分辨率
|
1%FS
|
|
防护等级
|
IP65
|
|
功能参数
|
预热时间
|
120min
|
|
数字输出
|
RS485
|
|
模拟量输出
|
4-20mA最大负载500
|
|
开关量输出
|
负载能力:AC/DC 24V/lA；
反吹信号、仪表风压力低、温度异常报警等(可定制)
|
|
其它参数
|
样气温度
|
<600℃
|
|
样气压力
|
大气压±5KPA
|
|
采样流量
|
2-3L/min
|
|
环境温度
|
-10~55℃
|
|
环境压力
|
70~120KPA
|
|
外形尺寸
|
(1216H*1160L*500W)mm
|
|
重量
|
120KG
|
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