1、 Preparation before start-up of natural gas generator set: check and adjust the condition of the whole unit before start-up. The connection and fixation of each component must be correct. The cooling water system of the engine and the electric starting system are connected stably without dripping and loosening. The switch is flexible. The lubrication system is in good condition. The fuel supply system and ignition system are confirmed to be normal. Otherwise, it can be started only after maintenance and adjustment are correct 。

二、启动后的怠速运行：准备正常后，打开燃气阀门，接上启动电源，打开钥匙，按下按钮，-可启动机组。当机组启动后，注意机油压力表，有正常的机油压力，万万不可粗心大意。启动后要怠速运行一段时间，一是用以观察各处、各部件的运行情况是否异常，有无异常声响，有问题处理、解决。怠速运转也是用来使机器升温，冬季，这升温很重要，将利于机器的使用。

2、 Idle running after starting: after preparing for normal operation, open the gas valve, connect the starting power supply, open the key, and press the button, - the unit can be started. When the unit starts, pay attention to the oil pressure gauge, there is normal oil pressure, never be careless. If there is abnormal operation of each part, observe whether there is abnormal operation for a period of time. Idle running is also used to make the machine warm up. In winter, this temperature rise is very important, which will be conducive to the use of the machine.

三、正常的负载输出：当经怠速观察，且机组已达到了温度（观察水温表即可）就可以操纵电调“油门”将机组升速到标定的工作转速，调整机组的电压和频率都达到标定值，则可向外界合闸，输出负载。为了合闸时外界有负载使用，建议合闸前交将空车的转速（频率）稍稍偏高些。负载变化时，注意调速“油门”手柄，即电子调速器的电位器，适应输出，使得电压和频率的稳定。

3、 Normal load output: when the idle speed is observed and the unit has reached the temperature (just observe the water temperature meter), the electric adjustment "throttle" can be operated to speed up the unit to the rated working speed, and the voltage and frequency of the unit are adjusted to reach the calibration value, then the machine can be switched on to the outside to output the load. In order to use the external load when closing, it is suggested that the speed (frequency) of the empty car be slightly higher before closing. When the load changes, pay attention to the speed control "throttle" handle, that is, the potentiometer of the electronic governor, to adapt to the output, so that the voltage and frequency are stable.

1、天然气发电机组机房应远离明火区域；

1. Natural gas generator room should be far away from open fire area;

2、机房应宽敞、明亮且要求安装换气扇以使得良好的通风；

2. The machine room should be spacious and bright, and the ventilator should be installed to ensure good ventilation;

3、发电机组安装时底盘与地基应用平垫铁找平。接触面积应在60%以上，且分布均匀；

3. When the generator set is installed, the chassis and the foundation shall be leveled with flat pad iron. The contact area should be more than 60% and evenly distributed;

4、室内安装照明、开关、线路及其电器应采用防爆措施,且固定牢；

4. Indoor installation of lighting, switches, lines and electrical appliances should adopt explosion-proof measures and be fixed firmly;

5、机房内应符合消防要求，配备灭火器等消防器械；

5. The machine room shall meet the fire fighting requirements and be equipped with fire extinguisher and other fire-fighting equipment;

6、天然气发电机组机房内安装可燃气体报警装置，可燃气体泄露时能及时发现；

6. Combustible gas alarm device is installed in the machine room of natural gas generator set to detect the leakage of combustible gas in time;

7、60kw以下单台燃气发动机燃气管路的外部主要管道内径应不小于2吋，靠近发动机的部分内径应不小于1吋！60kw以上燃气发电机组则分别是3吋和两吋。且须安装燃气阀门（不锈钢球阀）、型放水阀、防回火装置，燃气管路焊接完成应清理焊渣（用高压空气）；

7. The inner diameter of the outer main pipe of the gas pipeline of a single gas engine below 60kW shall not be less than 2 inches, and the inner diameter of the part close to the engine shall not be less than 1 inch! For gas-fired generating units above 60kW, they are 3 inches and 2 inches respectively. Gas valve (stainless steel ball valve), type-I drain valve and anti backfire device shall be installed. Welding slag (with high-pressure air) shall be cleaned after gas pipeline welding;

8、燃气须脱硫、脱水、除尘，其中含流量≤0.25Nm3，氢气≤10%；

8. The gas must be desulphurized, dehydrated and dedusted, with flow rate ≤ 0.25nm3 and hydrogen ≤ 10%;

9、发电机组冷却水须用软化水。

9. The cooling water of generator set must be softened water.

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