Talk about the development prospect of gas generator set

Talk about the development prospect of gas generator set

China's natural gas resources are very abundant. Compared to China's abundant natural gas reserves, the proportion of natural gas in China's primary energy consumption is too small, and it has potential for substantial growth in the future. > The gas generator set is a new generator set developed to meet the world's environmental protection requirements and new market environment. Natural gas generators are mainly divided into two types, one is a combined cycle gas turbine and the other is a gas engine. Gas turbine power is relatively large, mainly used in large and medium-sized power plants, gas engine internal combustion engine power is relatively small, mainly used in small distributed power plants. It is a new green environmental protection force that replaces oil and coal-fired units. Taking full advantage of various natural gas or harmful gases as fuel, turning waste into treasure, safe and convenient operation, high cost-effectiveness, low emission pollution, and suitable for heat and electricity cogeneration, etc., the market prospect is very broad.

First, the status quo

China's natural gas resources are very abundant. Compared to China's abundant natural gas reserves, the proportion of natural gas in China's primary energy consumption is too small, and it has potential for substantial growth in the future. Due to the impact of natural gas supply in China, natural gas power generation is still in its initial stage. Really large-scale natural gas power generation as a distributed energy station will take some time. Today's small-scale natural gas power generation is mainly in oil fields, gas fields and airports, hotels, hospitals and so on. It can be expected that natural gas power generation will have a rapid development in recent years as the natural gas supply becomes more abundant and the scope of supply continues to expand.

Second, the advantages

Gas generator sets have a wide range of output power, high unit startup and operation reliability, good power generation quality, light weight, small size, simple maintenance, low frequency noise and other advantages, generally they have the following four advantages:

1. The power generation quality is good Because the generator set only has rotating motion during operation, the speed of the electrical adjustment is fast, the work is particularly stable, the output voltage and frequency of the generator are high in accuracy, and the fluctuation is small. When the load is reduced by 50% and 75%, The unit operation is very stable and superior to the electrical performance indicators of the diesel generator set.

2. Good start-up performance, high start-up success rate The time from successful startup of the cold state to full load is only 30 seconds, and the internationally-required diesel generator set is loaded 3 minutes after successful startup. The gas generator set can guarantee the success rate of startup under any ambient temperature and climate.

3. Low noise and low vibration Since the gas turbine generator set is in a high-speed rotation state, its vibration is very small, and the low-frequency noise is better than the diesel generator set. The flammable gas used is clean and cheap energy such as gas, bellflower gas, biogas, etc. The gas-fired generating units and biogas generating units using them as fuel are not only reliable in operation, but also low in cost, and they can turn waste into treasure. No pollution.

Third, pay attention to matters

1. The gas generator set room should be kept away from the open flame area;

2. The gas generator set room should be spacious, bright and require the installation of ventilation fans to ensure good ventilation;

3. When the gas generator set is installed, the chassis and the foundation shall be leveled with a flat horn. The contact area should be above 60% and evenly distributed;

4, the indoor installation of lighting, switches, lines and electrical appliances should be used explosion-proof measures, and fixed firmly;

5, gas generator set room should meet the requirements of fire protection, equipped with fire extinguishers and other fire fighting equipment;

6. The combustible gas alarm device is installed in the gas generator set room and can be found in time when the combustible gas leaks;

7. The internal diameter of the external main pipeline of single gas engine gas pipeline below 60kw shall not be less than 2 inches, and the internal diameter of the part close to the engine shall not be less than 1 inch! More than 60kw gas-fired generating units are respectively 3吋 and 2吋. And must install the gas valve (stainless steel ball valve), type discharge valve, anti-tempered device, gas pipeline welding should be completed after welding (using high-pressure air);

8, gas must be desulfurization, dehydration, dust, including flow ≤ 0.25Nm3, hydrogen ≤ 10%;

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