现代化养猪场沼气提纯投资多少钱？成本拆解看这里

　　How much does it cost to invest in biogas purification in modern pig farms? Cost breakdown here

　　现在越来越多现代化养猪场开始搞沼气资源化利用，其中沼气提纯（也就是生物天然气提纯）是提升沼气价值的关键一步。但很多猪场经营者最关心的问题是：搞一套沼气提纯系统到底要花多少钱？其实这个问题没有固定答案，投资成本受养殖规模、沼气产量、提纯工艺、设备选型等多种因素影响。今天就给大家详细科普，按不同养殖规模拆解沼气提纯的投资范围，再说说影响成本的关键因素，帮大家心里有个底。

　　More and more modern pig farms are now engaging in the resource utilization of biogas, among which biogas purification (i.e. bio natural gas purification) is a key step in enhancing the value of biogas. But the biggest concern for many pig farm operators is: how much does it cost to develop a biogas purification system? In fact, there is no fixed answer to this question, and investment costs are influenced by various factors such as breeding scale, biogas production, purification technology, and equipment selection. Today, we will give you a detailed explanation of the investment scope for biogas purification based on different breeding scales, as well as the key factors that affect costs, to help you have a clear understanding.

　　先看中小型现代化养猪场，这类猪场存栏规模大概在5000到10000头。对应到沼气提纯项目，投资成本大概在200万到500万元之间。这个区间是怎么来的呢？主要看沼气产量——这类猪场年产沼气通常在10万到30万立方米，经过提纯后能得到5万到15万立方米的生物天然气。这里有个实用提醒：如果猪场搞沼气提纯只是为了自己发电用，或者作为场内能源自用，不用达到商用天然气标准，就可以简化提纯工艺，相应的投资成本也能降不少，不用非要按最高标准投入。

　　Firstly, focus on small-scale modern pig farms with a stock size of approximately 5000 to 10000 pigs. Corresponding to the biogas purification project, the investment cost is approximately between 2 million and 5 million yuan. How did this interval come about? Mainly based on biogas production - this type of pig farm usually produces 100000 to 300000 cubic meters of biogas annually, which can be purified to obtain 50000 to 150000 cubic meters of bio natural gas. Here is a practical reminder: if a pig farm engages in biogas purification only for its own power generation or for internal energy use, without meeting commercial natural gas standards, the purification process can be simplified and the corresponding investment costs can be reduced significantly, without having to invest according to the highest standards.

　　再来说大型现代化养猪场，存栏规模在1万到5万头以上的，沼气提纯项目投资就会高一些，大概在500万到1500万元。这类猪场养殖规模大，粪污产量多，年产沼气能达到30万到100万立方米，提纯后可产出15万到50万立方米的生物天然气。之所以投资区间跨度大，主要是因为大型猪场的沼气产量波动范围广，而且很多大型项目会追求更高的提纯效率和生物天然气纯度，比如要接入城市燃气管网或者对外销售，就需要更先进的工艺和更大型的设备，成本自然会上升。

　　Speaking of large-scale modern pig farms with a stock size of over 10000 to 50000 heads, the investment in biogas purification projects will be higher, about 5 to 15 million yuan. This type of pig farm has a large scale of breeding and a high output of manure. The annual production of biogas can reach 300000 to 1 million cubic meters, and after purification, it can produce 150000 to 500000 cubic meters of bio natural gas. The reason for the wide investment range is mainly due to the wide fluctuation range of biogas production in large pig farms, and many large-scale projects pursue higher purification efficiency and biogas purity. For example, to connect to urban gas pipelines or sell to the outside world, more advanced processes and larger equipment are required, and the cost will naturally increase.

　　了解了大致投资范围，再说说哪些因素会直接影响投资成本。第一个关键因素是养殖规模和沼气产量，这是决定成本的基础——规模越大、产气越多，需要的提纯设备规格就越大，工艺也越复杂，投资自然越高。第二个是提纯工艺选择，不同工艺的成本差异很大，比如之前提到的高压水洗法、膜分离法、生物脱硫提纯法等，膜分离法设备前期投入相对高一些，高压水洗法后期运行成本有优势，选择不同工艺会直接改变总投资。

　　After understanding the approximate investment scope, let's talk about which factors will directly affect the investment cost. The first key factor is the scale of aquaculture and biogas production, which are the basis for determining costs - the larger the scale and the more gas produced, the larger the required purification equipment specifications, the more complex the process, and naturally the higher the investment. The second is the selection of purification processes, and the cost of different processes varies greatly. For example, the high-pressure water washing method, membrane separation method, biological desulfurization purification method, etc. mentioned earlier have relatively higher initial investment in membrane separation equipment, while high-pressure water washing method has advantages in later operating costs. Choosing different processes will directly change the total investment.

　　第三个因素是设备选型，是选国产设备还是进口设备，选常规配置还是智能高配，成本差距明显。现在国产沼气提纯设备技术已经很成熟，性价比很高，大部分猪场选国产设备就能满足需求；如果追求更高的稳定性和自动化程度，选进口设备或智能高配，成本可能会增加30%以上。第四个因素是项目用途，前面也提到过，自用发电的简化工艺成本低，要对外销售生物天然气或接入管网，就需要达到更高的纯度标准，必须配套更完善的提纯和检测设备，成本会相应增加。

　　The third factor is equipment selection, whether to choose domestic or imported equipment, whether to choose conventional configuration or intelligent high-end configuration, the cost difference is obvious. Nowadays, the technology of domestic biogas purification equipment is very mature and cost-effective. Most pig farms can meet their needs by choosing domestic equipment; If pursuing higher stability and automation, choosing imported equipment or intelligent high-end configurations may increase costs by more than 30%. The fourth factor is the project purpose. As mentioned earlier, the simplified process cost for self use power generation is low. To sell bio natural gas or connect it to the pipeline network, higher purity standards need to be achieved, and more complete purification and testing equipment must be provided, which will increase the cost accordingly.

　　可能有猪场经营者会觉得，这个投资成本不低，到底值不值得？其实要算长远账，沼气提纯后的生物天然气用途广泛，能自用发电、供暖，也能对外销售，还能享受国家可再生能源补贴政策。而且猪场粪污经过厌氧发酵产生沼气，再提纯利用，既能解决粪污污染问题，又能降低能源成本，形成“养殖-沼气-能源”的循环模式，长期来看经济效益和环保效益都很可观。比如大型猪场如果把提纯后的生物天然气接入管网销售，一般3到5年就能收回投资。

　　Some pig farm operators may think that this investment cost is not low, is it worth it or not? In fact, in terms of long-term accounting, the purified biogas from biogas has a wide range of uses, including self use for power generation and heating, as well as external sales, and can also enjoy national renewable energy subsidy policies. Moreover, pig farm manure undergoes anaerobic fermentation to produce biogas, which is then purified and utilized. This not only solves the problem of manure pollution, but also reduces energy costs, forming a "breeding biogas energy" cycle. In the long run, both economic and environmental benefits are considerable. For example, if a large pig farm connects purified biogas to the pipeline for sale, the investment can generally be recovered within 3 to 5 years.

　　总结下来，现代化养猪场沼气提纯投资，中小型（5000-10000头存栏）大概200万-500万元，大型（1万-5万头以上存栏）大概500万-1500万元，具体成本要根据养殖规模、沼气产量、工艺选择和项目用途来定。建议猪场在规划项目时，先测算自身的粪污产量和沼气潜力，再明确项目用途（自用还是外销），然后找专业厂家定制方案，这样才能精准控制投资成本。如果只是想解决粪污问题并自用能源，不用盲目追求高投入；如果有外销生物天然气的规划，再针对性提升工艺和设备配置。总的来说，沼气提纯投资是现代化养猪场绿色转型的重要投入，选对方案就能实现环保和盈利的双赢。

　　In summary, the investment in biogas purification in modern pig farms is approximately 2-5 million yuan for small and medium-sized (5000-10000 heads in stock) and 5-15 million yuan for large (10000-50000 heads or more in stock). The specific cost depends on the scale of breeding, biogas production, process selection, and project use. It is recommended that pig farms first calculate their own manure production and biogas potential when planning projects, then clarify the project purpose (self use or export), and then find professional manufacturers to customize solutions, so as to accurately control investment costs. If you only want to solve the problem of manure and use your own energy, there is no need to blindly pursue high investment; If there is a plan to export bio natural gas, then improve the process and equipment configuration accordingly. Overall, investment in biogas purification is an important investment for the green transformation of modern pig farms. Choosing the right solution can achieve a win-win situation of environmental protection and profitability.

　　本文由 沼气提纯  友情奉献.更多有关的知识请点击  https://www.hneee.net/   真诚的态度.为您提供为全面的服务.更多有关的知识我们将会陆续向大家奉献.敬请期待.

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