冷凝锅炉的关键在于冷凝技术，是一种新型、的技术;它的原理并不复杂，简单的概括就是通过对烟气冷凝回收烟气中的热能。传统锅炉中，排烟温度一般在160~250℃，甚更高，使得燃料燃烧时产生的水(例如天然气：CH4+2O2→CO2+2H2O)在烟气中处于过热状态的水蒸汽，随烟气从烟囱中流失。传统锅炉热效率一般只能达到85%~91%。而冷凝燃气锅炉，它把排烟温度降低到50~70℃，充分回收了烟气中的显热和水蒸汽的凝结潜热，热效率大幅提高。
The key of condensing boiler lies in condensation technology, which is a new energy-saving and environmental protection technology. Its principle is not complicated, and the simple summary is to recover the heat energy in the flue gas by condensing the flue gas. In traditional boilers, the flue gas temperature is generally 160 ~ 250 ℃, or even higher, which makes the water (such as natural gas: CH4 + 2O2 → CO2 + 2H2O) generated during fuel combustion in the flue gas in the superheated state, and the water vapor will be lost from the chimney along with the flue gas. The thermal efficiency of traditional boiler can only reach 85% ~ 91%. The condensing gas-fired boiler reduces the exhaust gas temperature to 50 ~ 70 ℃, fully recovers the sensible heat in the flue gas and the condensation latent heat of steam, and greatly improves the thermal efficiency.
冷凝燃气锅炉的工作原理
Working principle of condensing gas fired boiler
通俗的讲，冷凝式燃气锅炉的工作原理就是通过一定的装置将锅炉燃烧后排放的热烟气(一般在140℃左右)中的能量进行回收，经回收后的排烟温度只有60℃左右，这样热效率大概提高了10%左右，自然就节约了大约10%的燃气，同时在能量回收过程中，还能够降低有害气体的排放，减少环境污染。
Generally speaking, the working principle of the condensing gas-fired boiler is to recover the energy from the hot flue gas (generally about 140 ℃) after combustion of the boiler through a certain device. After recovery, the exhaust gas temperature is only about 60 ℃. In this way, the thermal efficiency is about 10%, which naturally saves about 10% of the gas. Meanwhile, in the process of energy recovery, it can also reduce harmful gas To reduce environmental pollution.
冷凝燃气锅炉的核心点
Key points of condensing gas fired boiler
冷凝技术的核心就是减少了燃料燃烧的热损失，的吸收了燃料产生的热能，同时由于烟气冷凝将烟气中的有害物质收集到冷凝水中，减少了酸性物质及其它污染物向空气中排放。更的冷凝燃气锅炉采用了无烟燃烧技术，使得氮氧化合物(NOx 可导致酸雨和温室效应)的排放减少到35mg/kwh以外。
The core of condensation technology is to reduce the heat loss of fuel combustion, and effectively absorb the heat energy generated by fuel. At the same time, due to the condensation of flue gas, harmful substances in flue gas are collected into condensate water, which reduces the emission of acid substances and other pollutants into the air. More advanced condensing gas-fired boilers use smokeless combustion technology, which reduces the emission of nitrogen oxides (NOx can cause acid rain and greenhouse effect) to more than 35 mg / kWh.
冷凝技术是目前、的天然气热能转化方式。2010年，很好的了高层建筑太阳能的使用和平板太阳能与建筑一体化的使用。更是很好把家用锅炉和太阳能使用相结合。的同时也让用户的使用更加舒适方便。
Condensation technology is an energy-saving and environmental protection way of natural gas heat energy conversion. In 2010, the use of solar energy in high-rise buildings and the integration of flat-panel solar energy and buildings were well solved. It is a good combination of household boiler and solar energy. Environmental protection and energy saving also make users more comfortable and convenient.
图解热效率的计算原理
Graphical calculation principle of thermal efficiency
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