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当沼气压力不满足用气要求时，应设置沼气专用增压机。沼气火炬的燃烧压力为1.5～2.0kpa,
When the pressure of biogas does not meet the gas requirements, a dedicated biogas booster should be installed. The combustion pressure of biogas torch is 1.5-2.0 kPa,
那么当沼气压力不满足火炬燃烧压力时就需要加增压机；
So when the biogas pressure does not meet the torch combustion pressure, a booster needs to be added;
垃圾填埋场沼气燃烧火炬,需要加增压机；
The biogas combustion torch at the landfill site requires the addition of a booster compressor;
有小伙伴又会问了，需要用哪种增压机呢？
Some friends may ask again, which type of turbocharger do you need?
罗茨鼓风机和离心鼓风机是沼气工程中常用的增压设备；
Roots blower and centrifugal blower are commonly used boosting equipment in biogas engineering;
罗茨鼓风机属于恒流风机，工作的主要参数是流量，输出压力随管道和负载的变化而变化，流量变化很小。
Roots blower belongs to constant flow fan, and its main working parameter is flow rate. The output pressure varies with the changes in pipeline and load, and the flow rate changes very little.
如果负载需要恒压效果，则使用离心风机，因为离心风机属于恒压风机。工作的主要参数是风压。输出流量随管道和负载的变化而变化，压力变化不大。当多台鼓风机并联运行时，由于并联影响，流量减少。一般来说，两台罗茨鼓风机并联时的流量损失约为10%，两台离心鼓风机并联时的流量损失则大于10%。
If the load requires constant pressure effect, a centrifugal fan should be used because centrifugal fans belong to constant pressure fans. The main parameter of work is wind pressure. The output flow rate varies with changes in the pipeline and load, while the pressure does not change significantly. When multiple blowers run in parallel, the flow rate decreases due to the parallel effect. Generally speaking, the flow loss when two Roots blowers are connected in parallel is about 10%, while the flow loss when two centrifugal blowers are connected in parallel is greater than 10%.
可以根据现场的实际工况来选择哦。
You can choose according to the actual working conditions on site.
增压机选型要注意以下几点：
When selecting a turbocharger, the following points should be noted:
1、增压机流量按用户小时最大用气量确定，压力按用户需要的最高压力和增压机出口至用户之间的最大阻力之和确定;
1. The flow rate of the turbocharger is determined based on the maximum hourly gas consumption of the user, and the pressure is determined based on the maximum pressure required by the user and the sum of the maximum resistance between the turbocharger outlet and the user;
2、最好买两台增压机组，一用一备；
2. It is best to buy two booster units, one for use and one for backup;
3、各增压系统应设置止回阀,阻火器，回流管道，自动切断阀，压力变送器等；
3. Each boosting system should be equipped with check valves, flame arresters, return pipes, automatic shut-off valves, pressure transmitters, etc;
本文由沼气脱硫提供帮助，更多的相关内容请点击：https://www.hneee.net希望本文能够为您带来帮助，感谢您的阅读！
This article provides assistance with biogas desulfurization. For more related content, please click: https://www.hneee.net I hope this article can be helpful to you. Thank you for reading!
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2026-05-02
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