1. The key to improve the energy saving effect of gas boiler heating system

对于燃气锅炉，要改善其供热系统效果，我们需要提高管网输送效率和锅炉效率。

For gas-fired boiler, to improve the energy-saving effect of heating system, we need to improve the transmission efficiency of pipe network and boiler efficiency.

1.1提高锅炉效率

1.1 improve boiler efficiency

简单来说，提高锅炉效率要控制好锅炉的开停频率，减少待机时间，锅炉每次开启和关闭都要消耗一定燃气能量，即使锅炉在待机状态，也会损失大量热量；其次是优化锅炉设计的选型配置。

In short, to improve the efficiency of the boiler, the first thing is to control the start-up and stop frequency of the boiler and reduce the standby time. Every time the boiler is opened and closed, a certain amount of gas energy will be consumed. Even if the boiler is in the standby state, a lot of heat will be lost. The second thing is to optimize the selection and configuration of the boiler design.

1.2提高管网输送效率

1.2 improve the transportation efficiency of pipe network

现在大多数燃煤锅炉已经被燃气锅炉取代，而燃气的成本相应是较高的，我们就更应该提升管网输送效率，可以采用室温调控系统和水力平衡系统达到目的。

At present, most coal-fired boilers have been replaced by gas-fired boilers, and the cost of gas is relatively high. Therefore, we should improve the transmission efficiency of the pipe network, and adopt the room temperature control system and hydraulic balance system to achieve the goal.

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2、燃气锅炉供热系统技术

2. Energy saving technology of gas boiler heating system

2.1循环水泵变频技术

2.1 frequency conversion technology of circulating water pump

在不同时间段，用户对于热量的需求是不同的，循环水泵变频技术就是根据用户需求灵活的调整水泵电机频率，减少系统循环水量，降低水泵电机能耗。循环水泵的扬程、循环水量和轴功率和其转速之间都是呈现正比例关系的，因此，运用这项技术，我们不仅能够降低水泵转速，还能够降低水泵能耗，能够获得很好的效果。

In different periods of time, the user's demand for heat is different. The frequency conversion technology of circulating water pump is to flexibly adjust the frequency of pump motor according to the user's demand, reduce the circulating water of the system, and reduce the energy consumption of pump motor. There is a positive proportional relationship between the head, circulating water volume, shaft power and the speed of the circulating water pump. Therefore, using this technology, we can not only reduce the speed of the pump, but also reduce the energy consumption of the pump, and obtain a good energy-saving effect.

2.2气候补偿技术

2.2 climate compensation technology

气候补偿系统综合了温度传感器、电动调节阀、气候补偿器等几个部分，预设供热参数曲线，室外温度传感器会获取到室外环境的温度变化，经过气候补偿器精确计算供水温度，综合电动调节阀科学调整锅炉供水量和回水量，达到调控系统整体供水温度的目的，运用这项技术，系统能够根据温度改变提供合适的热量。

The climate compensation system integrates several parts, such as temperature sensor, electric control valve, and climate compensator. Firstly, the heating parameter curve is preset, and the outdoor temperature sensor will obtain the temperature change of the outdoor environment. After the climate compensator accurately calculates the water supply temperature, the electric control valve is integrated to scientifically adjust the boiler water supply and return water, so as to achieve the purpose of regulating the overall water supply temperature of the system With this technology, the system can provide appropriate heat according to the temperature change.

2.3烟气冷凝回收

2.3 flue gas condensation recovery

燃气锅炉排出的烟气仍然含有大量热量，运用这项技术，我们能够收集烟气余热并进行二次利用，用烟气热量提高供热系统回水的温度，达到效果。，供热系统回水能够降低烟气温度并回收热量；其次，供热系统回水能够将烟气中的水蒸气冷凝成为水，变相的回收了水蒸气中的热量。

The flue gas discharged from the gas-fired boiler still contains a lot of heat. By using this technology, we can collect the waste heat of flue gas and make secondary use of it, and use the heat of flue gas to increase the temperature of the return water of the heating system, so as to achieve the effect of energy saving. Firstly, the return water of heating system can reduce the temperature of flue gas and recover the heat; secondly, the return water of heating system can condense the water vapor in flue gas into water, and recover the heat in water vapor in disguised form.

综上，分析了改善燃气锅炉供热系统效果的关键，然后介绍了几种燃气锅炉供热系统技术。通过运用气候补偿技术、循环水泵变频技术以及烟气冷凝回收技术等，我们能够有效的燃气锅炉供热系统中存在的若干缺陷，合理的利用能源，控制供热系统使用的燃气量，达到供热、“一箭双雕”的目标，为能源节约和可持续发展做出贡献。

To sum up, this paper first analyzes the key to improve the energy-saving effect of gas-fired boiler heating system, and then introduces several energy-saving technologies of gas-fired boiler heating system. Through the use of climate compensation technology, circulating water pump frequency conversion technology and flue gas condensation recovery technology, we can effectively solve some defects in the gas-fired boiler heating system, make rational use of energy, control the amount of gas used in the heating system, achieve the goal of heating and energy saving, and make contributions to energy conservation and sustainable development.

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