Gas steam generator And electricity Steam generator They are two kinds of common power generation equipment. They have some differences in power generation principle, working mode, advantages and disadvantages. The characteristics and differences of these two steam generators will be described in detail below.

1. Difference in power generation principle: gas steam generator uses gas combustion to generate high-temperature combustion gas, which is transmitted to boiler, and then heat energy is converted into mechanical energy or electrical energy through steam engine or steam turbine. Electric steam generators use external power sources to provide electric energy, heat water to boiling state through resistance heating or arc heating, and then convert it into mechanical energy or electric energy through steam engines or steam turbines.

2. Difference in working mode: gas steam generator needs gas as fuel, and generates high-temperature combustion gas through combustion. Gas supply and combustion regulation have an impact on power generation effect. The electric steam generator only needs external power supply and does not need fuel combustion, so the operation is relatively simple, but it needs to ensure the stability of the power supply.

3. Difference between efficiency and energy utilization rate: gas-fired steam generators use the heat energy released by the combustion of gas to generate steam, and the conversion of heat energy will have a certain loss, so its energy utilization rate is relatively low, generally about 70%. The electric steam generator uses electric energy to directly generate heat energy, with high conversion efficiency, and the energy utilization rate can reach more than 90%.

4. Difference of environmental impact: the gas steam generator produces smoke, nitrogen oxides and other waste gases by burning gas, which pollutes the environment greatly and requires treatment and emission control. The electric steam generator does not need fuel combustion, with less emissions and less environmental pollution.

5. Difference in scope of application and flexibility: gas steam generator is applicable to high-power industrial fields requiring continuous steam supply, such as power plants, chemical plants, etc; The electric steam generator is applicable to the fields with small steam demand, frequent process changes and flexible operation requirements, such as laboratories, hospitals, etc.

6. Difference between investment and operation and maintenance costs: the construction cost of gas steam generators is high, which requires gas pipelines, gas pressure regulating stations and other facilities, and the need to constantly supplement gas during operation, increasing the operation cost. However, the construction cost of electric steam generator is relatively low. It only needs to be connected to the power supply, and the operation cost is also low.

In a word, there are some differences between gas steam generator and electric steam generator in power generation principle, working mode, efficiency, environmental impact, scope of application, investment, operation and maintenance cost, etc. Choosing a steam generator suitable for its own needs can improve power generation efficiency, reduce energy consumption and environmental pollution.