The large amount of industrial exhaust gas, such as calcium carbide gas, generated in the industrial production process is relatively stable. If these exhaust gases can be effectively utilized, it can reduce energy consumption or high industrial electricity costs for production enterprises. In the current trend of environmental protection, it is also a very good choice. Its electricity can be used for equipment in the factory area, as well as for backup energy storage or office area electricity. At present, small electricity generation is the main focus in power generation. However, with the continuous development of enterprise scale, the amount of exhaust gas generated increases. At the same time, improvements in combustion and the improvement of gas turbine power generation efficiency will make exhaust gas more widely used in power generation.

由此可見，電石氣作為一種清潔能源用來發電，既能夠節省成本，又可以減少污染，對企業來說無疑是一大利好。但對于馳放氣發電后排放的尾氣還需要做進一步的處理，才能達到環保標準。為此，陜西一家利用馳放氣發電的公司從我公司訂制了一套馳放氣發電機組煙氣脫硝系統來對機組尾氣中的NOX進行處理，并實現了達標排放。下面我們就來看下這套系統的基本原理和特點。

From this, it can be seen that calcium carbide gas, as a clean energy source used for power generation, can save costs and reduce pollution, which is undoubtedly a great benefit for enterprises. However, further treatment is needed to meet environmental standards for the exhaust emissions from the power generation of the exhaust gas. Therefore, a company in Shaanxi that utilizes exhaust gas to generate electricity has customized a set of exhaust gas denitrification system for exhaust gas generation units from our company to treat NOX in the unit's exhaust gas and achieve standard emissions. Let's take a look at the basic principles and characteristics of this system.

工業尾氣脫硝系統采用SCR（Selective Catalytic Reduction）技術路線對NOX進行處理，其在一定溫度（一般為250℃-450℃）段，在催化劑的作用下可將氮氧化物（NOx）分解成無害的氮氣（N2）和水（H2O），目前由我司設計制作的系列SCR脫硝系統已在多個領域的眾多項目中成功應用。

The industrial tail gas denitrification system adopts the SCR (Selective Catalyst Reduction) technology route to treat NOX. At a certain temperature range (usually 250 ℃ -450 ℃), under the action of a catalyst, nitrogen oxides (NOx) can be decomposed into harmless nitrogen (N2) and water (H2O). Currently, the series of SCR denitrification systems designed and manufactured by our company have been successfully applied in many projects in multiple fields.

工業尾氣脫硝系統具有體積小、結構簡單、運行方便可靠、系統運行阻力小、自動化程度和脫硝效率高、無二次污染且耐腐蝕性強，整體性能優良，一次投資和運行費用相對較低等特點，一經投入使用，便得到了客戶的充分肯定。

The industrial tail gas denitrification system has the characteristics of small size, simple structure, convenient and reliable operation, low system operation resistance, high automation and denitrification efficiency, no secondary pollution, strong corrosion resistance, excellent overall performance, relatively low primary investment and operating costs. Once put into use, it has been fully recognized by customers.

工業尾氣SCR煙氣脫硝系統性能指標：

Performance indicators of industrial exhaust SCR flue gas denitrification system:

高效，去除率可達95%以上，可保證項目氮氧化物去除效果；

Efficient, with a removal rate of over 95%, which can ensure the nitrogen oxide removal effect of the project;

催化劑活性溫度300-580℃；

Catalyst activity temperature 300-580 ℃;

采用蜂窩狀高空速催化劑，比表面積大，體積緊湊；

Adopting honeycomb shaped high airspeed catalyst, with a large specific surface area and compact volume;

煙氣脫硝系統氨逃逸控制在2.5mg/Nm3以下；

The ammonia escape of the flue gas denitrification system should be controlled below 2.5mg/Nm3;

整個設備溫度損失3℃以內，滿足脫硝和后方余熱裝置的使用；

The temperature loss of the entire equipment is within 3 ℃, meeting the requirements for the use of denitrification and rear waste heat devices;

煙氣脫硝系統的整體阻力不影響煙氣的正常排出；

The overall resistance of the flue gas denitrification system does not affect the normal discharge of flue gas;

脫硝系統結構簡單、無副產物、運行方便、可靠性高、一次投資相對較低；

The denitrification system has a simple structure, no by-products, convenient operation, high reliability, and relatively low one-time investment;

自動化程度高，可靠性好；

High degree of automation and good reliability;

該系統組合小巧，連接簡約快捷，耐腐蝕性強，整體性能優良。

The system has a compact combination, simple and fast connection, strong corrosion resistance, and excellent overall performance.

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