不同规模的小蝌蚪www网在线官网下载工程对脱硫技术和材料有哪些具体要求？

　　What are the specific requirements for desulfurization technology and materials for biogas projects of different scales?

　　不同规模的小蝌蚪www网在线官网下载工程在选择脱硫技术和材料时需要考虑多方面因素，以下是对不同规模小蝌蚪www网在线官网下载工程具体要求的详细分析。

　　When selecting desulfurization technology and materials for biogas projects of different scales, multiple factors need to be considered. The following is a detailed analysis of the specific requirements for biogas projects of different scales.

　　一、大型小蝌蚪www网在线官网下载工程

　　1、 Large scale biogas project

　　技术要求：

　　Technical requirements:

　　通常采用较为复杂和高效的脱硫系统，以确保大量小蝌蚪www网在线官网下载的高质量处理。例如，湿法脱硫技术在大型小蝌蚪www网在线官网下载工程中应用广泛。基于化学吸收法，设计的小蝌蚪www网在线官网下载脱硫系统包括小蝌蚪www网在线官网下载脱硫、脱硫液再生、单质硫回收等多道工序，实现了高效脱硫、资源循环利用及回收等多重效果。

　　Typically, complex and efficient desulfurization systems are used to ensure high-quality treatment of large amounts of biogas. For example, wet desulfurization technology is widely used in large-scale biogas projects. Based on the chemical absorption method, the designed biogas desulfurization system includes multiple processes such as biogas desulfurization, desulfurization liquid regeneration, and elemental sulfur recovery, achieving multiple effects such as efficient desulfurization, resource recycling, and recovery.

　　在系统调试中，利用正交试验确定了对系统脱硫效果影响由大到小的各参数依次为温度、HE101 投加量、pH（8～9），并确定了最佳工况为温度 35～40℃，HE101 投加量 35～40g/d，pH8.3～8.6，Na2C03 投加量最佳范围 25～30kg/d。

　　In the system debugging, orthogonal experiments were used to determine the parameters that have a decreasing impact on the desulfurization effect of the system, in order of temperature, HE101 dosage pH（8～9）， And the optimal operating conditions were determined to be temperature 35-40 ℃, HE101 dosage 35-40g/d, pH 8.3-8.6, and Na2C03 dosage in the optimal range of 25-30kg/d.

　　材料要求：

　　Material requirements:

　　核心设备尺寸及参数需根据小蝌蚪www网在线官网下载产量和成分确定。如脱硫塔 DN2000×H12000，共 4 层，其中喷淋量 32.6 m3/h，喷淋密度 15.92m3/(m2.h)，液气比 84.6L/m3；再生槽内筒 DN1600×H2500、外筒 DN2000×H4500；富液罐 DN3000×H2500，贫液罐 DN2000×H1200，溶液加热器加热面积 13.5m2 等。

　　The size and parameters of the core equipment need to be determined based on the biogas production and composition. For example, the desulfurization tower DN2000 × H12000 has 4 layers, with a spray rate of 32.6 m3/h, a spray density of 15.92 m3/(m2. h), and a liquid to gas ratio of 84.6 L/m3; Regeneration tank inner cylinder DN1600 × H2500, outer cylinder DN2000 × H4500; Rich solution tank DN3000 × H2500, lean solution tank DN2000 × H1200, solution heater heating area 13.5m2, etc.

　　二、中型小蝌蚪www网在线官网下载工程

　　2、 Medium sized biogas project

　　技术要求：

　　Technical requirements:

　　可以考虑采用生物脱硫与同步再生干法脱硫相结合的工艺。对于体量较大的污泥消化工程，该工艺在进气 H2S 含量为 4125～7425 mg/m? 的条件下，生物脱硫单元出气 H2S 含量均小于 27 mg/m?，去除率达到 99% 以上，干法脱硫出气均未检出 H2S。在生物脱硫即可达到用气设备要求的前提下，可采用将跨越干法脱硫作为应急备用的运行模式，以降低运行成本、延长脱硫剂的更换周期。

　　A combination of biological desulfurization and synchronous regeneration dry desulfurization process can be considered. For large-scale sludge digestion projects, under the condition of inlet H2S content of 4125-7425 mg/m ?, the H2S content in the effluent of the biological desulfurization unit is less than 27 mg/m ?, and the removal rate reaches over 99%. No H2S was detected in the effluent of the dry desulfurization process. On the premise that biological desulfurization can meet the requirements of gas equipment, the operation mode of using cross dry desulfurization as an emergency backup can be adopted to reduce operating costs and extend the replacement cycle of desulfurizers.

　　材料要求：

　　Material requirements:

　　生物脱硫部分通常需要使用特定的微生物菌群和适宜的填料，以促进微生物的生长和代谢。干法脱硫则需要选择高效的脱硫剂，如氧化铁等。

　　The biological desulfurization section usually requires the use of specific microbial communities and suitable fillers to promote microbial growth and metabolism. Dry desulfurization requires the selection of efficient desulfurizers, such as iron oxide.

　　三、小型小蝌蚪www网在线官网下载工程（农村户用小蝌蚪www网在线官网下载）

　　3、 Small scale biogas project (rural household biogas)

　　技术要求：

　　Technical requirements:

　　农村户用小蝌蚪www网在线官网下载的脱硫问题相对简单，但也需要重视技术问题。例如，要选择合适的脱硫剂和脱硫设备，确保脱硫效果的同时，也要考虑成本和操作的便利性。

　　The desulfurization problem of rural household biogas is relatively simple, but technical issues also need to be taken seriously. For example, to choose suitable desulfurizers and desulfurization equipment, while ensuring the desulfurization effect, cost and operational convenience should also be considered.

　　可以采用一些成本较低、操作简单的脱硫方法，如氧化铁吸收法等干法脱硫技术。

　　Low cost and easy to operate desulfurization methods can be used, such as dry desulfurization techniques such as iron oxide absorption.

　　材料要求：

　　Material requirements:

　　常见的脱硫材料有氧化铁等，这些材料价格相对较低，易于获取和更换。同时，小型脱硫设备的体积和重量也需要适应农村户用的环境和条件。

　　Common desulfurization materials include iron oxide, which are relatively inexpensive and easy to obtain and replace. At the same time, the volume and weight of small-scale desulfurization equipment also need to adapt to the environment and conditions of rural households.

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