大连某港口候船楼海水源热泵系统的技术经济分析

[文章编号]100228528(2007)1020103206

大连某港口候船楼

海水源热泵系统的技术经济分析

金　权1

,寇　伟2

,王文桐3

,郑晓琴1

,刘　宇4

,端木琳

1

(1.大连理工大学,大连116024;2.黑龙江省林业设计研究院,哈尔滨150001;3.大连集中供热办公室,大连116024;4.旅顺口

区建筑管理办公室,旅顺116000)

[摘　要]海水是巨大的可再生清洁能源。本文首先介绍了一项实际海水源热泵工程的设计原理、运行方案和运行概况,并对其进行了经济分析与环境效益分析,而后用动态的技术经济学方法计算了系统的费用年值,并与城市热网供热、燃气锅炉、燃油锅炉和地源热泵进行了对比。最后得出结论:虽然海水源热泵系统初投资较大,经济性差于传统系统,但由于此工程所在地无城市热网和燃气管道,且考虑环境效益的因素和国家可再生能源利用的政策,采用海水源热泵系统是合理的。同时,本文对电价和贷款利率做了敏感性分析,通过和其它4种方案的对比,得出了电价、贷款利率和初投资对海水源热泵系统经济效益的影响,提出了海水源热泵系统在经济效益方面存在的问题和提高其经济效益的建议。

[关键词]可再生能源;海水源热泵;经济分析;环境效益;费用年值[中图分类号]P743.4 [文献标识码]A

T echno 2economic Analysis on Sea 2water S ource Heat Pump (SWHP )System of a Haven πs Ship Waitting Floor in Dalian

JIN Quan 1

,K OU Wei 2

,WANG Wen 2tong 3

,ZHENG Xiao 2qin 1

,LIU Yu 4

,DUANMU Lin

1

(1.Dalian Univer sity o f Technology ,Dalian 116024,China ;2.The Forestry Design and Research Institue o f H elongjiang Province ,Harbin 150001,China ;3.Dalian Central H eating Office ,Dalian 116024,China ;4.Construction Management Office o f Lushunkou District ,Lushun 116000,China )

[Abstract ]Seawater is an abundant renewable energy s ource.In this paper ,the design theory ,operational scheme and situation of an actual sea 2water s ource heat pump (SWHP )project were introduced ,and further analysis of economical and environmental benefits was carried out.This is followed by the calculation of system annual cost with dynamic economics method ,meanwhile ,SWHP system was compared with city heat supply netw ork heating ,household gas 2fired boiler heating ,household oil 2fired boiler heating and ground s ource heat pump (G SHP )system.Finally ,it was concluded that although the initial cost of SWHP system was relativley high and the economical reward was less than the other 4traditional systems ,SWHP was a res onable scheme when the following aspects were considered ,such as ,the conditions of no city heat supply netw ork and gas pipe in that location ,the factors of environmental benefits and the policies of renewable energy application in China.On the other hand ,the sensitivity analysis of electricity price and m ortgage rate was given out ,the in fluences of electricity price ,m oratage rate and initial cost on economic benefits of SWHP system were discussed by comparing these 4stategies ,the proposals of improving SWHP system πs economical benefits and the problems of its application in China were presented.

[K eyw ords ]renewable energy ;SWHP ;economical analysis ;environment benefit ;annual cost

[收稿日期]2007204230 [一次修回]2007206201[二次修回]2007206219[基金项目]“十一五”国家科技支撑计划重大项目—“建筑节能关键

技术研究与示范”

(2006BA J01A06)[作者简介]金　权(19832),女,在读硕士研究生[联系方式]jq51yyy @

1　引　言

可再生能源的利用对我国可持续发展国策具有

重要意义。我国政府已经宣布到2020年可再生能源的使用要占到全部能源的16%左右,预计介时中国建筑能耗也将占全部能耗的35%左右。其中,空调耗能占建筑总耗能的65%左右。经济、能源与环境需要协调发展,因此可再生清洁能源在空调系统

中的广泛应用具有重大意义[1]

。

海洋是一个巨大的可再生能源库,把海洋作为一种冷热源资源,能量是取之不尽、可再生的,并且

第23卷第10期

2007年10月

建　筑　科　学

BUI LDI NG SCIE NCE

V ol 123,N o 110Oct.2007