燃氣真空熱水鍋爐是利用水在不同的壓力下，沸騰溫度有所差異的特性來進行工作的。在一個大氣壓下，水的沸騰溫度是100℃，真空熱水機組則是在-0.02Mpa以下的壓力范圍內(nèi)工作的，對應的熱媒水溫度低于93℃，在真空熱水機組所工作的壓力下，燃燒使熱媒水溫度上升至飽和溫度，并在水面產(chǎn)生相同溫度的蒸汽。下面山東燃氣鍋爐廠家居給大家普及一下燃氣真空熱水鍋爐的選用要點！
Gas-fired vacuum hot water boiler works by utilizing the characteristics of different boiling temperatures of water under different pressures. At one atmospheric pressure, the boiling temperature of water is 100 C, and the vacuum hot water unit works in the pressure range below - 0.02Mpa. The corresponding temperature of hot medium water is below 93 C. Under the pressure of the vacuum hot water unit, combustion makes the temperature of hot medium water rise to saturation temperature, and generates steam of the same temperature on the water surface. Next, Shandong Gas Boiler Manufacturers to popularize the gas vacuum hot water boiler selection points!
1. 真空熱水鍋爐選用主要控制參數(shù)為額定熱功率，鍋爐設計熱效率，高出水溫度，燃料種類等。
1. The main control parameters of vacuum hot water boiler are rated thermal power, boiler design thermal efficiency, high outlet water temperature, fuel type, etc.
2. 所選用產(chǎn)品設計熱效率應不低于《工業(yè)鍋爐通用技術條件》（JB/T10094-2002）中規(guī)定的下限值，及相關節(jié)能標準的規(guī)定值。
2. The thermal efficiency of the selected product design shall be no less than the lower limit value specified in the General Technical Conditions for Industrial Boilers (JB/T10094-2002) and the stipulated value of relevant energy saving standards.
3. 鍋爐污染物排放濃度應符合GB13271-2001《鍋爐大氣污染物排放標準》的規(guī)定。
3. Boiler pollutant emission concentration should comply with GB13271-2001 "Boiler Air Pollutant Emission Standard".
4. 一般真空熱水鍋爐的供水溫度不高于80℃，適用于低溫熱水采暖。
4. Generally, the water supply temperature of vacuum hot water boiler is not higher than 80 C, which is suitable for low temperature hot water heating.
5. 對于設在高層或多層建筑物內(nèi)的鍋爐房，熱水鍋爐單臺熱功率不得大于7MW，額定出口熱水溫度不高于95℃。同時應征得當?shù)匕踩O(jiān)察機構(gòu)和消防部門的認可同意。
5. For a boiler room located in a high-rise or multi-storey building, the thermal power of a single hot water boiler shall not be greater than 7MW, and the rated outlet hot water temperature shall not be higher than 95 C. At the same time, the approval and consent of the local safety supervision organization and fire department should be obtained.
6. 選用鍋爐時，應要求制造廠提供水阻力特性。宜選用名義工況流量通過鍋爐的水阻力≤0.08MPa 的產(chǎn)品。
6. When selecting boilers, manufacturers should be required to provide water resistance characteristics. It is advisable to choose a product whose nominal flow rate is less than 0.08MPa through the water resistance of the boiler.
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