沼气发电机组烟气脱硝系统主要包括SCR反应器系统、控制系统、尿素溶液计量喷射系统、传感器和压缩空气辅助系统等。脱硝系统具有净化效率高、安全可靠、背压小（极大程度上减少了脱硝对内燃发电机组的影响）、安装位置合理，占地面积小且保养、维修方便等特点；同时对排烟管道和反应器均进行了合理布置和优化设计，既能满足使用要求，又可增加系统的脱硝效率和使用寿命，可谓一举两得。

The flue gas denitrification system of biogas generator unit mainly includes SCR reactor system, control system, urea solution metering and injection system, sensors, and compressed air auxiliary system. The denitrification system has the characteristics of high purification efficiency, safety and reliability, low back pressure (greatly reducing the impact of denitrification on internal combustion generator sets), reasonable installation position, small footprint, and convenient maintenance and repair; At the same time, reasonable arrangement and optimized design were carried out on the smoke exhaust pipes and reactors, which can not only meet the usage requirements but also increase the denitrification efficiency and service life of the system, which can be said to kill two birds with one stone.

此外，在催化剂、喷枪、泵阀以及自动控制系统的选用和设计上河北汉蓝技术人员同样进行了充分的考虑，将先进的技术与项目本土化特点相结合研发出的自动控制系统具有体积小、组装维护方便、可靠性高且抗干扰能力强等特点，同时大大减少了操作人员数量。

In addition, the technical personnel of Hebei Hanlan have also fully considered the selection and design of catalysts, spray guns, pump valves, and automatic control systems. The automatic control system developed by combining advanced technology with local characteristics of the project has the characteristics of small size, easy assembly and maintenance, high reliability, and strong anti-interference ability, while greatly reducing the number of operators.

在该项目中，汉蓝严格按照项目要求在设备及配件的材质、脱硝催化剂的选用、尿素溶液的计量、喷射与防堵，设备满足不同温度使用环境且延长使用寿命等经济和适用性方面均进行了针对性设计，在满足当地排放在线监测标准的基础上，尽可能降低运行成本，通过多项低度电成本的优化设计来大大降低业主经济负担。

In this project, Hanlan strictly followed the project requirements and carried out targeted design in terms of equipment and accessory materials, selection of denitrification catalysts, metering of urea solution, injection and anti blocking, equipment meeting different temperature usage environments and extending service life. On the basis of meeting local emission online monitoring standards, Hanlan tried to reduce operating costs as much as possible and greatly reduced the economic burden of the owner through multiple low electricity cost optimization designs.

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