在污水處理廠、垃圾填埋場、養殖場等場所，異味問題常常令人困擾。生物除臭設備就像一位默默守護環境的 “清新衛士”，通過自然與科技的巧妙結合，將刺鼻氣味轉化為清新空氣。想要深入了解它的工作奧秘，以及如何挑選到合適的設備，這里面大有學問。

　　In places such as sewage treatment plants, landfills, and livestock farms, the problem of odors often troubles people. Biological deodorization equipment is like a silent guardian of the environment, transforming pungent odors into fresh air through the clever combination of nature and technology. To gain a deeper understanding of its working secrets and how to select suitable equipment, there is a lot of knowledge involved.

　　生物除臭設備：揭秘異味凈化的 “幕后英雄”

　　Biological deodorization equipment: revealing the "behind the scenes hero" of odor purification

　　生物除臭設備的核心原理，是利用微生物的分解代謝能力 “吃掉” 異味分子。設備內部通常設有生物濾池、生物滴濾塔等結構，填充著專門的濾料，如樹皮、堆肥、活性炭顆粒等。這些濾料不僅為微生物提供了附著生長的 “溫床”，還能吸附異味氣體，為分解過程創造條件。

　　The core principle of biological deodorization equipment is to use the metabolic ability of microorganisms to "eat" odor molecules. The equipment is usually equipped with structures such as biofilters and biofiltration towers, filled with specialized filter materials such as bark, compost, activated carbon particles, etc. These filter materials not only provide a "breeding ground" for microorganisms to attach and grow, but also adsorb odorous gases, creating conditions for the decomposition process.

　　當含有硫化氫、氨氣、甲硫醇等異味物質的污染氣體進入設備后，會先在濾料表面被吸附或溶解，隨后與濾料上的微生物菌群接觸。這些微生物就像一群 “吃貨”，以異味分子為營養源，通過自身的新陳代謝將其分解為二氧化碳、水和無機鹽等無害物質。例如，硫氧化細菌能將硫化氫轉化為硫酸鹽，硝化細菌則可分解氨氣生成硝酸鹽。整個過程無需高溫、高壓或化學藥劑，既環保又高效，還能避免二次污染。

　　When polluted gases containing odorous substances such as hydrogen sulfide, ammonia, and methyl mercaptan enter the equipment, they will first be adsorbed or dissolved on the surface of the filter material, and then come into contact with the microbial community on the filter material. These microorganisms are like a group of foodies, using odor molecules as a source of nutrition and breaking them down into harmless substances such as carbon dioxide, water, and inorganic salts through their own metabolism. For example, sulfur oxidizing bacteria can convert hydrogen sulfide into sulfate, while nitrifying bacteria can decompose ammonia to produce nitrate. The entire process does not require high temperature, high pressure, or chemical agents, which is both environmentally friendly and efficient, and can also avoid secondary pollution.

　　不同類型的生物除臭設備，在結構和適用場景上各有側重。生物濾池結構簡單，適合處理低濃度、大風量的廢氣，常用于垃圾中轉站和小型養殖場；生物滴濾塔則通過循環噴淋營養液，為微生物持續補充養分，處理負荷更高，適用于工業廢水處理車間等高濃度異味場所。此外，還有生物洗滌塔，通過氣液兩相充分接觸，快速吸收異味物質，適合處理水溶性較強的污染氣體。

　　Different types of biological deodorization equipment have their own emphasis on structure and applicable scenarios. The biological filter has a simple structure and is suitable for treating low concentration and high air volume waste gas. It is commonly used in garbage transfer stations and small livestock farms; The biological drip filtration tower continuously replenishes nutrients for microorganisms by circulating and spraying nutrient solution, with a higher treatment load, and is suitable for high concentration odor places such as industrial wastewater treatment workshops. In addition, there is a biological scrubbing tower that quickly absorbs odorous substances through full contact between gas and liquid phases, making it suitable for treating highly water-soluble pollutants.

　　挑選生物除臭設備：從需求出發的 “避坑指南”

　　Selecting biological deodorization equipment: a "pit avoidance guide" based on demand

　　1. 明確處理對象，匹配設備 “專長”

　　1. Clearly identify the processing object and match the device's "expertise"

　　挑選設備前，需先了解異味來源和成分。如果是垃圾填埋場，廢氣中硫化氫、氨氣含量高，應選擇處理效率高、耐沖擊負荷的生物滴濾塔；若用于食品加工廠，異味多為有機揮發性物質，生物濾池就能滿足需求。同時，還要考慮廢氣的風量、濃度和溫度 —— 高溫、高濕或高濃度的廢氣，對設備的材質和微生物耐受性要求更高，需選擇特殊設計的設備。

　　Before selecting equipment, it is necessary to first understand the source and composition of the odor. If it is a landfill site with high levels of hydrogen sulfide and ammonia in the exhaust gas, a bio drip filtration tower with high treatment efficiency and shock load resistance should be selected; If used in food processing plants, the odor is mostly organic volatile substances, and biological filters can meet the demand. At the same time, the air volume, concentration, and temperature of the exhaust gas should also be considered - high temperature, high humidity, or high concentration exhaust gas require higher material and microbial tolerance of the equipment, and special designed equipment should be selected.

　　2. 關注核心參數，確保凈化效果

　　2. Focus on core parameters to ensure purification effectiveness

　　設備的凈化效率是關鍵指標。一般來說，優質生物除臭設備對硫化氫、氨氣等常見異味物質的去除率應達到 80% 以上，但實際效果還需結合現場工況評估。此外，填料的性能也影響凈化能力：好的濾料應具備比表面積大、孔隙率高、耐腐蝕性強的特點，能為微生物提供穩定的生長環境。設備的壓降（氣體通過設備的阻力）也不容忽視，壓降低意味著能耗低，運行成本更經濟。

　　The purification efficiency of the equipment is a key indicator. Generally speaking, high-quality biological deodorization equipment should achieve a removal rate of over 80% for common odorous substances such as hydrogen sulfide and ammonia, but the actual effect still needs to be evaluated based on on-site conditions. In addition, the performance of the filler also affects the purification ability: good filter media should have the characteristics of large specific surface area, high porosity, and strong corrosion resistance, which can provide a stable growth environment for microorganisms. The pressure drop of the equipment (the resistance of gas passing through the equipment) cannot be ignored, as a decrease in pressure means lower energy consumption and more economical operating costs.

　　3. 考量維護難度，降低使用成本

　　3. Consider maintenance difficulty and reduce usage costs

　　生物除臭設備的長期穩定運行，離不開日常維護。選擇設備時，要關注濾料的使用壽命和更換便捷性：部分濾料需 1-2 年更換一次，若更換過程復雜，會增加人工成本；還要查看設備是否具備自動補水、營養液循環、溫度調控等智能功能，這些設計能減少人工干預，提升運維效率。此外，微生物菌種的適應性也很重要，耐低溫、抗毒性強的菌種，能在復雜環境下保持活性，降低因菌種失活導致的設備失效風險。

　　The long-term stable operation of biological deodorization equipment relies on daily maintenance. When choosing equipment, attention should be paid to the service life and ease of replacement of filter media: some filter media need to be replaced once every 1-2 years, and if the replacement process is complex, it will increase labor costs; It is also necessary to check whether the equipment has intelligent functions such as automatic water replenishment, nutrient solution circulation, temperature regulation, etc. These designs can reduce manual intervention and improve operation and maintenance efficiency. In addition, the adaptability of microbial strains is also important. Strains that are resistant to low temperatures and have strong resistance to viruses can maintain their activity in complex environments, reducing the risk of equipment failure caused by strain inactivation.

　　4. 實地考察案例，驗證真實性能

　　4. Conduct on-site case studies to verify the true performance

　　“耳聽為虛，眼見為實”。在確定候選設備后，建議前往同類項目現場考察，直觀了解設備的運行狀態、異味凈化效果和噪音水平。觀察設備運行時是否有異味泄漏、濾料是否板結堵塞、微生物系統是否穩定等細節問題。同時，與使用方交流設備的實際運維成本、故障頻率等信息，避免因宣傳與實際效果不符而踩坑。

　　Listening is believing, seeing is believing. After determining the candidate equipment, it is recommended to visit similar project sites to visually understand the operating status, odor purification effect, and noise level of the equipment. Observe whether there are any odor leaks, whether the filter material is clogged, and whether the microbial system is stable during equipment operation. At the same time, communicate with the user about the actual operation and maintenance costs, failure frequency, and other information of the equipment to avoid pitfalls caused by discrepancies between publicity and actual results.

　　生物除臭設備以自然之力化解異味難題，而挑選設備的過程，實則是一場需求與性能的精準匹配。從了解設備工作原理到把握選型要點，只有做好功課，才能為異味治理找到真正的 “得力助手”，讓清新空氣常駐生活與生產環境。

　　Biological deodorization equipment solves the problem of odor with the power of nature, and the process of selecting equipment is actually a precise match between demand and performance. From understanding the working principle of equipment to grasping the key points of selection, only by doing homework can we find a true "capable assistant" for odor control, and keep fresh air in our living and production environment.

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