硬核突破！沼氣提純“三脫”工藝顯實(shí)力，中國(guó)制造護(hù)航中亞極寒能源安全

　　Hardcore breakthrough! The "three de" process of biogas purification demonstrates its strength, and Chinese manufacturing safeguards the energy security of extreme cold in Central Asia

　　沼氣提純作為生物質(zhì)能源資源化利用的核心環(huán)節(jié)，直接決定沼氣品質(zhì)、利用效率及輸送安全，而“三脫”（脫硫、脫水、脫烴）工藝更是沼氣提純的“生命線”，其技術(shù)水準(zhǔn)直接關(guān)系到沼氣能否實(shí)現(xiàn)規(guī)模化、安全化利用。隨著全球沼氣提純市場(chǎng)的快速崛起，據(jù)行業(yè)數(shù)據(jù)顯示，2024年全球沼氣提純凈化設(shè)備市場(chǎng)規(guī)模達(dá)58.4億元，預(yù)計(jì)2031年將突破146億元，復(fù)合年增長(zhǎng)率達(dá)14.1%，而“三脫”工藝的優(yōu)化升級(jí)，正成為推動(dòng)行業(yè)發(fā)展的核心動(dòng)力。近日，發(fā)往哈薩克斯坦的天然氣脫水脫氫裝置順利出征，在零下50℃極寒工況下實(shí)現(xiàn)穩(wěn)定運(yùn)行，彰顯了中國(guó)制造在沼氣提純領(lǐng)域的硬核實(shí)力，也為中亞能源命脈注入新活力。

　　As the core link of biomass energy resource utilization, biogas purification directly determines the quality, utilization efficiency, and transportation safety of biogas. The "three de" (desulfurization, dehydration, and dehydrocarbon) process is the "lifeline" of biogas purification, and its technical level directly affects whether biogas can be used on a large scale and safely. With the rapid rise of the global biogas purification market, according to industry data, the market size of biogas purification equipment will reach 5.84 billion yuan in 2024, and is expected to exceed 14.6 billion yuan by 2031, with a compound annual growth rate of 14.1%. The optimization and upgrading of the "three de" process is becoming the core driving force for the development of the industry. Recently, the natural gas dehydration and dehydrogenation unit sent to Kazakhstan has been successfully deployed, achieving stable operation under extreme cold conditions of minus 50 ℃, demonstrating China's hard core strength in biogas purification and injecting new vitality into the energy lifeline of Central Asia.

　　沼氣提純的核心核心在于“三脫”工藝，三者各司其職、協(xié)同發(fā)力，缺一不可，共同守護(hù)沼氣利用的安全與高效，這也是行業(yè)內(nèi)公認(rèn)的提純核心標(biāo)準(zhǔn)。脫硫工藝作為第一道防線，核心作用是去除沼氣中硫化氫等酸性氣體，這類氣體不僅具有強(qiáng)腐蝕性，會(huì)嚴(yán)重?fù)p耗提純?cè)O(shè)備與輸送管道，還會(huì)造成環(huán)境污染，甚至危害人體健康。正規(guī)沼氣提純項(xiàng)目中，脫硫工藝可將硫化氫含量降至10ppm以下，徹底杜絕腐蝕隱患，為后續(xù)提純環(huán)節(jié)筑牢基礎(chǔ)，這也是沼氣提純不可或缺的前置步驟。

　　The core of biogas purification lies in the "three de" process, where each plays its own role and works together to ensure the safety and efficiency of biogas utilization. This is also a recognized purification core standard in the industry. The desulfurization process, as the first line of defense, plays a core role in removing acidic gases such as hydrogen sulfide from biogas. These gases not only have strong corrosiveness and can seriously damage purification equipment and transmission pipelines, but also cause environmental pollution and even harm human health. In formal biogas purification projects, the desulfurization process can reduce the hydrogen sulfide content to below 10ppm, completely eliminating corrosion hazards and laying a solid foundation for subsequent purification processes. This is also an indispensable prerequisite for biogas purification.

　　脫水工藝是沼氣提純的關(guān)鍵環(huán)節(jié)，核心目標(biāo)是降低沼氣中的水含量，避免后續(xù)利用過(guò)程中出現(xiàn)水合物堵塞管道、設(shè)備腐蝕等問(wèn)題。沼氣中若含水量過(guò)高，在低溫環(huán)境下易形成水合物，堵塞輸送管道，導(dǎo)致系統(tǒng)停機(jī)，造成經(jīng)濟(jì)損失；同時(shí)，水分會(huì)加劇管道與設(shè)備的腐蝕，縮短使用壽命。優(yōu)質(zhì)脫水工藝可將沼氣水含量降至10g/m?以下，即便在零下50℃極寒工況下，也能有效避免水合物生成，此次發(fā)往哈薩克斯坦的脫水脫氫裝置，就憑借先進(jìn)的脫水工藝，在極寒環(huán)境中實(shí)現(xiàn)穩(wěn)定運(yùn)行，印證了中國(guó)制造的可靠性。

　　Dehydration process is a key link in biogas purification, with the core goal of reducing the water content in biogas and avoiding problems such as hydrate blockage of pipelines and equipment corrosion during subsequent utilization. If the moisture content in biogas is too high, it is easy to form hydrates in low-temperature environments, which can block the transmission pipeline and cause system shutdown, resulting in economic losses; At the same time, moisture can exacerbate corrosion of pipelines and equipment, shortening their service life. Can high-quality dehydration technology reduce the water content of biogas to 10g/m? Even in extremely cold conditions of minus 50 ℃, the formation of hydrates can be effectively avoided. The dehydration and dehydrogenation unit sent to Kazakhstan has achieved stable operation in extremely cold environments with advanced dehydration technology, confirming the reliability of Chinese manufacturing.

　　脫烴工藝則聚焦沼氣熱值穩(wěn)定與輸送安全，核心是分離沼氣中的重?zé)N類物質(zhì)。重?zé)N類物質(zhì)的存在會(huì)導(dǎo)致沼氣熱值波動(dòng)，影響其作為清潔能源的利用效率，同時(shí)重?zé)N易在管道內(nèi)凝結(jié)，堵塞管道、引發(fā)安全隱患。脫烴工藝可精準(zhǔn)分離重?zé)N，將沼氣熱值穩(wěn)定在35MJ/m?以上，確保沼氣燃燒效率穩(wěn)定，同時(shí)保障管道輸送安全，為沼氣規(guī)模化應(yīng)用提供保障。值得一提的是，脫烴與脫水工藝協(xié)同配合，可進(jìn)一步提升沼氣提純品質(zhì)，滿足工業(yè)、民用等多場(chǎng)景利用需求。

　　The dehydrogenation process focuses on the stability of biogas calorific value and transportation safety, with the core being the separation of heavy hydrocarbon substances in biogas. The presence of heavy hydrocarbons can cause fluctuations in the calorific value of biogas, affecting its efficiency as a clean energy source. At the same time, heavy hydrocarbons are prone to condense in pipelines, causing blockages and safety hazards. The dehydrogenation process can accurately separate heavy hydrocarbons and stabilize the calorific value of biogas at 35MJ/m? The above ensures stable combustion efficiency of biogas and guarantees safe pipeline transportation, providing assurance for the large-scale application of biogas. It is worth mentioning that the coordinated use of hydrocarbon and dehydration processes can further improve the quality of biogas purification and meet the needs of various industrial and civilian applications.

　　此次發(fā)往哈薩克斯坦的天然氣脫水脫氫裝置，是中國(guó)制造在沼氣提純領(lǐng)域的重要突破，其適配零下50℃極寒工況的核心能力，打破了國(guó)外技術(shù)壟斷，彰顯了我國(guó)沼氣提純?cè)O(shè)備的技術(shù)優(yōu)勢(shì)。該裝置集成了先進(jìn)的脫水、脫烴工藝，可應(yīng)對(duì)中亞地區(qū)極端低溫環(huán)境，確保沼氣提純過(guò)程穩(wěn)定高效，不僅為哈薩克斯坦提供了可靠的能源提純解決方案，也再次點(diǎn)亮了中亞能源命脈，推動(dòng)我國(guó)沼氣提純技術(shù)與設(shè)備走向國(guó)際市場(chǎng)。

　　The natural gas dehydration and dehydrogenation unit sent to Kazakhstan this time is an important breakthrough in the field of biogas purification made in China. Its core ability to adapt to extremely cold working conditions of minus 50 ℃ breaks the monopoly of foreign technology and demonstrates the technological advantages of China's biogas purification equipment. This device integrates advanced dehydration and dehydrogenation processes, which can cope with extreme low temperature environments in Central Asia, ensuring stable and efficient biogas purification processes. It not only provides a reliable energy purification solution for Kazakhstan, but also once again illuminates the energy lifeline of Central Asia, promoting China's biogas purification technology and equipment to enter the international market.

　　當(dāng)前，我國(guó)沼氣提純技術(shù)已日趨成熟，“三脫”工藝不斷優(yōu)化，結(jié)合變壓吸附、膜分離等先進(jìn)技術(shù)，提純效率可達(dá)98%以上，提純后的沼氣可直接作為生物天然氣投入使用，廣泛應(yīng)用于農(nóng)業(yè)、工業(yè)、市政等領(lǐng)域。例如，黑龍江大慶寒地多物料連續(xù)干發(fā)酵項(xiàng)目，就通過(guò)完善的“三脫”提純工藝，將沼氣提純?yōu)樯锾烊粴?，年生產(chǎn)377×10?Nm?，減排CO?1.28萬(wàn)噸，實(shí)現(xiàn)了環(huán)保與效益的雙贏。

　　At present, China's biogas purification technology has become increasingly mature, and the "three de" process is continuously optimized. Combined with advanced technologies such as pressure swing adsorption and membrane separation, the purification efficiency can reach over 98%. The purified biogas can be directly used as bio natural gas and widely applied in agriculture, industry, municipal and other fields. For example, the multi material continuous dry fermentation project in the cold region of Daqing, Heilongjiang Province, uses a sophisticated "three de" purification process to purify biogas into bio natural gas, with an annual production of 377 × 10? Nm?， Reducing CO emissions by 12800 tons has achieved a win-win situation for environmental protection and benefits.

　　綜上，沼氣提純的核心競(jìng)爭(zhēng)力在于“三脫”工藝的成熟度與穩(wěn)定性，脫硫防腐蝕、脫水防堵塞、脫烴保安全，三者協(xié)同發(fā)力，才能實(shí)現(xiàn)沼氣的高效、安全、規(guī)模化利用。隨著中國(guó)制造在沼氣提純領(lǐng)域的不斷突破，不僅打破了國(guó)外技術(shù)壁壘，更推動(dòng)我國(guó)生物質(zhì)能源產(chǎn)業(yè)高質(zhì)量發(fā)展，未來(lái)，憑借先進(jìn)的“三脫”工藝與極寒適配能力，我國(guó)沼氣提純?cè)O(shè)備將在全球市場(chǎng)占據(jù)更重要的地位，為全球能源轉(zhuǎn)型與環(huán)保事業(yè)貢獻(xiàn)中國(guó)力量。

　　In summary, the core competitiveness of biogas purification lies in the maturity and stability of the "three de" process, which includes desulfurization, corrosion prevention, dehydration, blockage prevention, and hydrocarbon removal to ensure safety. Only by working together can efficient, safe, and large-scale utilization of biogas be achieved. With the continuous breakthroughs of Chinese manufacturing in the field of biogas purification, it not only breaks through foreign technological barriers, but also promotes the high-quality development of China's biomass energy industry. In the future, with advanced "three de" processes and extreme cold adaptation capabilities, China's biogas purification equipment will occupy a more important position in the global market, contributing Chinese strength to the global energy transformation and environmental protection cause.

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