Biogas desulfurization is an essential link in the process of using biogas. The biogas desulfurizer is a biogas equipment that desulfurizes and purifies biogas and processes the sulfurized substances in it to meet the use standards. It can absorb hydrogen sulfide in biogas, prevent its corrosion to biogas combustion equipment and pipelines, and extend the service life of the equipment. For desulfurization and purification of biogas, it is necessary to select appropriate process methods to remove sulfide to the target according to the technical requirements of different uses, so as to complete the desulfurization and purification process without pollution, with low consumption and recoverable circular economy 

点击打开原图yl6809永利脱水系统装置工作原理：

Click to open the original drawing. Working principle of biogas desulfurization and dehydration system:

天然气通过前置过滤除尘、除水后，在吸附塔内，利用吸附剂在低温下超强吸水特性而吸附天然气中的水分,再通过后置过滤器除尘,达到净化天然气的目的。当吸附塔一塔吸附剂趋于吸附饱和时，需要脱附(再生)，此时切换至另一塔吸附;少量净化后的天然气通过循环风机加压，再经加热进入再生塔，再生塔内的水份由高温气体带出塔体，再经冷却分离除水后进入吸附塔，达到再生无耗气的目的。

After the natural gas is dedusted and dewatered through pre filtration, the water in the natural gas is adsorbed in the adsorption tower by using the super absorbent property of the adsorbent at low temperature, and then dedusted through the post filter to achieve the purpose of purifying the natural gas. When the adsorbent in one column of the adsorption tower tends to be saturated, desorption (regeneration) is required, and then switch to the other column for adsorption; A small amount of purified natural gas is pressurized by the circulating fan and then heated into the regeneration tower. The water in the regeneration tower is brought out of the tower body by the high-temperature gas, and then enters the adsorption tower after cooling, separation and water removal, so as to achieve the purpose of regeneration without gas consumption.

为了让分离器的处理效果和寿命更长，采用防腐蚀多面空心球，避免了因含硫等造成腐蚀等现象，从而保证了滤芯在长期工作中性能稳定；同时考虑到滤网使用中容易产生轻微堵塞，所以将传统式的螺旋滤芯改进成空心球形式，这样大大提高了滤芯清洗的方便性。

In order to make the treatment effect and service life of the separator longer, anti-corrosion polyhedral hollow balls are used to avoid corrosion caused by sulfur, so as to ensure the stable performance of the filter element in long-term operation; At the same time, considering that the filter screen is easy to be slightly blocked in use, the traditional spiral filter element is improved to the form of hollow ball, which greatly improves the convenience of filter element cleaning.

点击打开原图沼气干法脱硫器工艺原理：

Click to open the original drawing. Process principle of Biogas Dry desulfurizer:

干法脱硫是在圆柱状脱硫塔内装填一定高度的脱硫剂，沼气自下而上通过脱硫剂，H2S被去除，实现脱硫过程，污水处理厂常用的脱硫剂为氧化铁，其粒状为圆柱状，

Dry desulfurization means that a certain height of desulfurizer is filled in the cylindrical desulfurizer. The biogas passes through the Desulfurizer from bottom to top, and H2S is removed to realize the desulfurization process. The desulfurizer commonly used in the sewage treatment plant is iron oxide, and its particles are cylindrical,

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