冷凝鍋爐的關(guān)鍵在于冷凝技術(shù)，是一種新型、的技術(shù);它的原理并不復(fù)雜，簡單的概括就是通過對煙氣冷凝回收煙氣中的熱能。傳統(tǒng)鍋爐中，排煙溫度一般在160~250℃，甚更高，使得燃料燃燒時產(chǎn)生的水(例如天然氣：CH4+2O2→CO2+2H2O)在煙氣中處于過熱狀態(tài)的水蒸汽，隨煙氣從煙囪中流失。傳統(tǒng)鍋爐熱效率一般只能達到85%~91%。而冷凝燃氣鍋爐，它把排煙溫度降低到50~70℃，充分回收了煙氣中的顯熱和水蒸汽的凝結(jié)潛熱，熱效率大幅提高。
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.
冷凝燃氣鍋爐的工作原理
Working principle of condensing gas fired boiler
通俗的講，冷凝式燃氣鍋爐的工作原理就是通過一定的裝置將鍋爐燃燒后排放的熱煙氣(一般在140℃左右)中的能量進行回收，經(jīng)回收后的排煙溫度只有60℃左右，這樣熱效率大概提高了10%左右，自然就節(jié)約了大約10%的燃氣，同時在能量回收過程中，還能夠降低有害氣體的排放，減少環(huán)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.
冷凝燃氣鍋爐的核心點
Key points of condensing gas fired boiler
冷凝技術(shù)的核心就是減少了燃料燃燒的熱損失，的吸收了燃料產(chǎn)生的熱能，同時由于煙氣冷凝將煙氣中的有害物質(zhì)收集到冷凝水中，減少了酸性物質(zhì)及其它污染物向空氣中排放。更的冷凝燃氣鍋爐采用了無煙燃燒技術(shù)，使得氮氧化合物(NOx 可導(dǎo)致酸雨和溫室效應(yīng))的排放減少到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.
冷凝技術(shù)是目前、的天然氣熱能轉(zhuǎn)化方式。2010年，很好的了高層建筑太陽能的使用和平板太陽能與建筑一體化的使用。更是很好把家用鍋爐和太陽能使用相結(jié)合。的同時也讓用戶的使用更加舒適方便。
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.
圖解熱效率的計算原理
Graphical calculation principle of thermal efficiency
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