沼氣發電機組煙氣脫硝系統主要包括SCR反應器系統、控制系統、尿素溶液計量噴射系統、傳感器和壓縮空氣輔助系統等。脫硝系統具有凈化效率高、安全可靠、背壓小（極大程度上減少了脫硝對內燃發電機組的影響）、安裝位置合理，占地面積小且保養、維修方便等特點；同時對排煙管道和反應器均進行了合理布置和優化設計，既能滿足使用要求，又可增加系統的脫硝效率和使用壽命，可謂一舉兩得。

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，在催化劑、噴槍、泵閥以及自動控制系統的選用和設計上河北漢藍技術人員同樣進行了充分的考慮，將先進的技術與項目本土化特點相結合研發出的自動控制系統具有體積小、組裝維護方便、可靠性高且抗干擾能力強等特點，同時大大減少了操作人員數量。

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.

在該項目中，漢藍嚴格按照項目要求在設備及配件的材質、脫硝催化劑的選用、尿素溶液的計量、噴射與防堵，設備滿足不同溫度使用環境且延長使用壽命等經濟和適用性方面均進行了針對性設計，在滿足當地排放在線監測標準的基礎上，盡可能降低運行成本，通過多項低度電成本的優化設計來大大降低業主經濟負擔。

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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