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低温下顺利启动沼气发电机组的方式

来源:https://www.huannengpower.cn/ 文章作者:济柴环能 发布时间:2022-08-03
在低温条件下,沼气发电机组容易冷却过度,导致无法启动。小编给大家介绍低温下顺利启动沼气发电机组的方式有如下几种:
Under low temperature conditions, the biogas generator unit is easy to be excessively cooled, resulting in failure to start. The editor will introduce the following ways to successfully start the biogas generator set at low temperature:
循环水加热系统(也称燃油加热器加热系统)
Circulating water heating system (also known as fuel heater heating system)
1.这是近几年新采用的低温辅助启动方式,这种低温启动方式是通过燃油加热器附带的水泵将发动机机体内的冷却液抽出,通过燃油加热器将其加热后再循环至发动机机体内,以此加热发动机,达到低温条件下启动发动机的目的。
1. This is a new low-temperature auxiliary starting method adopted in recent years. This low-temperature starting method is to pump out the coolant in the engine body through the water pump attached to the fuel heater, heat it and recycle it to the engine body through the fuel heater, so as to heat the engine and achieve the purpose of starting the engine under low temperature conditions.
2.火焰预热启动
2. Flame preheating start
火焰预热装置的工作温度为-40℃,工作过程为电子自动控制。火焰预热起动装置一般由电子控制器、电磁阀、温度传感器、火焰预热塞及燃油管和导线组成。该装置的工作过程是,将电热塞加热到850-950℃后接通起动机,电磁阀自动打开油路,通过燃油管向电热塞供油,进行火焰预热启动。
The working temperature of the flame preheating device is -40 ℃, and the working process is electronic automatic control. The flame preheating starting device is generally composed of electronic controller, solenoid valve, temperature sensor, flame preheating plug, fuel pipe and wire. The working process of the device is to heat the glow plug to 850-950 ℃, turn on the starter, the solenoid valve automatically opens the oil circuit, and supply oil to the glow plug through the fuel pipe for flame preheating and startup.
3.加注冷起动液
3. Fill cold starting liquid
冷起动液是一种辅助启动燃料(由乙醚,低挥发点的碳氢化合物和带有添加剂的低凝点机油组成),其中加入的带有添加剂的低凝点机油可改善气缸壁的润滑条件,达到启动的目的。选择这种启动方式启动时,应选雾化情况较好的起动液,并控制好喷射时间、喷入位置和喷入量。另外,切忌从空气滤清器的进气口直接喷入起动液,以免影响空滤器滤芯的质量和加大起重液的喷入量,造成发动机冷机启动运转超速。
Cold starting fluid is an auxiliary starting fuel (composed of ether, low volatile hydrocarbon and low pour point engine oil with additives). The low pour point engine oil with additives can improve the lubrication conditions of cylinder wall and achieve the purpose of starting. When this starting method is selected, the starting liquid with good atomization should be selected, and the injection time, injection position and injection amount should be well controlled. In addition, do not spray starting fluid directly from the air inlet of the air filter, so as not to affect the quality of the air filter element and increase the injection amount of lifting fluid, resulting in overspeed of engine cold start.
4.其他的预热方式
4. Other preheating methods
除上述预热方式外,还可采用热水预热法(将热至沸点的热水注放冷却系)蒸汽预热法(上蒸汽通过管道从水箱的下水管进入冷却系,或直接进入发动机冷却水套)、电预热法(将加热器直接插入冷却系或机油内,此法热效率高,发电机组使用也比较方便)等多种方法进行低温启动。
In addition to the above preheating methods, many other methods can be used for low-temperature start-up, such as hot water preheating method (injecting hot water to the boiling point into the cooling system), steam preheating method (the upper steam enters the cooling system from the lower pipe of the water tank through the pipe, or directly into the engine cooling water jacket), electric preheating method (inserting the heater directly into the cooling system or engine oil, which has high thermal efficiency and is convenient for the use of the generator set).
以上就是为大家介绍的有沼气发电机组的详细的介绍,希望对您有所帮助.如果您有什么疑问的话,欢迎联系我们.我们将以专业的态度,为您提供服务https://www.huannengpower.cn
The above is a detailed introduction of biogas generator set for you. I hope it can help you. If you have any questions, please contact us. We will provide services for you with a professional attitude https://www.huannengpower.cn

声明:文章来源于https://www.huannengpower.cn/

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