京津冀地區(qū)天然氣和熱泵替代燃煤供暖研究
發(fā)布時間:2018-08-21 08:18
【摘要】:針對京津冀地區(qū)實施天然氣和電能驅(qū)動空氣源熱泵(簡稱:熱泵)替代燃煤(散燒煤和鍋爐煤)供暖系統(tǒng)的一次能源效率、污染物減排量及經(jīng)濟性進行了對比計算.結(jié)果表明:對于京津冀地區(qū),采用天然氣和熱泵替代燃煤供暖可使一次能源效率分別上升31%和44%;天然氣和熱泵供暖都可大幅降低污染物排放,天然氣供暖可使煙塵、SO_2和NO_x分別減排7.46,33.26,8.06萬t;熱泵供暖則分別減排7.48,33.21,9.36萬t;熱泵供暖的初投資高于天然氣供暖,但其年燃料費用遠低于天然氣供暖;此外,基于煙塵、SO_2、NO_x 3種污染物減排總量,計算得出天然氣供暖改造的單位污染物減排成本較熱泵供暖改造高14.2元/kg,綜合對比發(fā)現(xiàn),熱泵供暖更具優(yōu)勢.
[Abstract]:The primary energy efficiency, pollutant emission reduction and economy of natural gas and electric energy driven air source heat pump (abbreviated as heat pump) instead of coal-fired (scattered coal and boiler coal) heating system in Beijing-Tianjin-Hebei area are compared and calculated. The results show that in the Beijing-Tianjin-Hebei region, the primary energy efficiency can be increased by 31% and 44% respectively by using natural gas and heat pump instead of coal-fired heating, while both natural gas and heat pump heating can greatly reduce pollutant emissions. Natural gas heating can reduce smoke emission of so _ 2 and NO_x by 7.46 and 33.26, and heat pump heating by 7.48, 33.21, 93600 tons respectively. The initial investment of heat pump heating is higher than that of natural gas heating, but its annual fuel cost is much lower than that of natural gas heating; in addition, the annual fuel cost of heat pump heating is much lower than that of natural gas heating. Based on the total emission reduction of three kinds of pollutants, the unit pollutant emission reduction cost of natural gas heating retrofit is 14. 2 yuan / kg higher than that of heat pump heating retrofit. The comprehensive comparison shows that heat pump heating has more advantages.
【作者單位】: 華北電力大學(xué)熱電生產(chǎn)過程污染物控制北京市重點實驗室;
【基金】:國家自然科學(xué)基金資助項目(51706065,51476053) 中央高�;究蒲袠I(yè)務(wù)費專項基金資助項目(2017MS013)
【分類號】:TU833;X51
本文編號:2195113
[Abstract]:The primary energy efficiency, pollutant emission reduction and economy of natural gas and electric energy driven air source heat pump (abbreviated as heat pump) instead of coal-fired (scattered coal and boiler coal) heating system in Beijing-Tianjin-Hebei area are compared and calculated. The results show that in the Beijing-Tianjin-Hebei region, the primary energy efficiency can be increased by 31% and 44% respectively by using natural gas and heat pump instead of coal-fired heating, while both natural gas and heat pump heating can greatly reduce pollutant emissions. Natural gas heating can reduce smoke emission of so _ 2 and NO_x by 7.46 and 33.26, and heat pump heating by 7.48, 33.21, 93600 tons respectively. The initial investment of heat pump heating is higher than that of natural gas heating, but its annual fuel cost is much lower than that of natural gas heating; in addition, the annual fuel cost of heat pump heating is much lower than that of natural gas heating. Based on the total emission reduction of three kinds of pollutants, the unit pollutant emission reduction cost of natural gas heating retrofit is 14. 2 yuan / kg higher than that of heat pump heating retrofit. The comprehensive comparison shows that heat pump heating has more advantages.
【作者單位】: 華北電力大學(xué)熱電生產(chǎn)過程污染物控制北京市重點實驗室;
【基金】:國家自然科學(xué)基金資助項目(51706065,51476053) 中央高�;究蒲袠I(yè)務(wù)費專項基金資助項目(2017MS013)
【分類號】:TU833;X51
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