本文選題：太陽(yáng)能集中供熱 + 集熱效率　； 參考：《昆明理工大學(xué)》2013年碩士論文

【摘要】：太陽(yáng)能在云南的利用已較為普遍,但存在規(guī)模小、集熱效率低的缺陷,這將導(dǎo)致占地面積大,土地使用成本高；影響景觀等問(wèn)題,成為以太陽(yáng)能為主體集中供熱技術(shù)推廣的技術(shù)瓶頸。本論文通過(guò)設(shè)計(jì),采用安裝了可聚光真空管技術(shù)(非自主知識(shí)產(chǎn)權(quán)產(chǎn)品)的自動(dòng)太陽(yáng)能系統(tǒng),考核了其運(yùn)行參數(shù),為該系統(tǒng)進(jìn)一步擴(kuò)大提供了設(shè)計(jì)參數(shù)。由于該系統(tǒng)具有一定規(guī)模,也是該系統(tǒng)實(shí)際應(yīng)用的一個(gè)示范工程。 課題組前期已對(duì)云南省工業(yè)園區(qū)的能耗進(jìn)行了調(diào)研和分析,同時(shí)進(jìn)行了實(shí)驗(yàn)研究,研究結(jié)果表明在云南省發(fā)展以太陽(yáng)能資源為主的多能源互補(bǔ)分布式系統(tǒng)具有積極的意義。本實(shí)驗(yàn)總結(jié)前期的研究成果和存在的問(wèn)題,并進(jìn)行進(jìn)一步優(yōu)化研究。本研究的主要內(nèi)容是太陽(yáng)能集中供熱系統(tǒng)的設(shè)計(jì)、安裝、調(diào)試,提高太陽(yáng)能的集熱效率、提高蓄熱水箱及管道的保溫效果等方面的研究。 1、太陽(yáng)能集中供熱系統(tǒng)的設(shè)計(jì) 本研究在總結(jié)前期研究成果的基礎(chǔ)上,設(shè)計(jì)一套太陽(yáng)能集中供熱系統(tǒng)。 2、提高太陽(yáng)能集熱效率的研究 前期實(shí)驗(yàn)使用槽式太陽(yáng)能集熱器,成本高,資本回收期長(zhǎng)。總結(jié)前期的研究成果及存在的問(wèn)題,本實(shí)驗(yàn)系統(tǒng)采用內(nèi)聚光熱管式太陽(yáng)能集熱器。舊系統(tǒng)的平均單位時(shí)間得熱量為2005.47J/s,而新系統(tǒng)的為4063.89J/s。內(nèi)聚光熱管式集熱器的集熱效率比槽式集熱器高,而成本比槽式集熱器低,成本回收期短,實(shí)際應(yīng)用價(jià)值較高。 3、提高蓄熱水箱保溫效果的研究 課題組前期的研究中蓄熱水箱保溫材料選用橡塑海綿,熱損失量過(guò)大,保溫材料不是理想材料。本研究中蓄熱水箱采用HDG組合式水箱,中間保溫層為80mm厚聚氨酯保溫塊。本實(shí)驗(yàn)蓄熱水箱每小時(shí)水溫下降不到1℃,蓄熱水箱的平均熱損失僅為1.58%,單位時(shí)間熱損失量為39.56kJ/min,水箱的保溫效果較好。 4、提高管道保溫效果的研究 課題組前期研究中,管道保溫材料采用鋁箔+玻璃棉+橡塑海綿三層保溫,保溫材料組合效果不佳,散熱率過(guò)高。本研究新增加聚氨酯保溫層,采用玻璃棉+玻璃棉+橡塑海綿+聚氨酯+聚氨酯+鋁箔六層保溫,其平均熱損失率為1.88%,平均熱損失量為480.70J/min,而老系統(tǒng)采用三層保溫材料的熱損失量為876J/min,提高了系統(tǒng)的管道保溫性能。 5、經(jīng)濟(jì)效益分析 本實(shí)驗(yàn)通過(guò)對(duì)太陽(yáng)能集中供熱系統(tǒng)在運(yùn)行費(fèi)用、初投資、使用壽命以及節(jié)能方面進(jìn)行詳細(xì)分析。本系統(tǒng)每年可提供的有效得熱量為679603.05MJ,與其他熱源方式相比,投資回收期短,具有較高的經(jīng)濟(jì)可行性。 6、環(huán)境效益分析 通過(guò)對(duì)本系統(tǒng)環(huán)境效益分析,得到日產(chǎn)10噸80℃太陽(yáng)能熱水系統(tǒng),年節(jié)約標(biāo)準(zhǔn)煤量為37.19t。系統(tǒng)15年內(nèi)二氧化碳、能夠減少氮氧化物、二氧化硫、煙塵的量分別為614.47t、7.25t、13.39t、22.31t。 本課題在前期研究的基礎(chǔ)上,根據(jù)實(shí)際情況,收集氣象數(shù)據(jù),設(shè)計(jì)太陽(yáng)能集中供熱系統(tǒng)并安裝調(diào)試,對(duì)工程應(yīng)用參數(shù)進(jìn)行實(shí)驗(yàn)研究,其研究結(jié)果更具實(shí)際參考價(jià)值,對(duì)于在云南省推廣利用太陽(yáng)能資源具有的重要意義。
[Abstract]:The utilization of solar energy in Yunnan has been common , but it has small size and low heat collection efficiency , which will lead to large area and high cost of land use ;
This paper designs and uses an automatic solar system with the technology of condensing vacuum tube ( non - autonomous intellectual property ) , evaluates its operating parameters , and provides design parameters for further expansion of the system . As the system has a certain scale , it is also an example project of the practical application of the system .

In this paper , the energy consumption of Yunnan Industrial Park has been investigated and analyzed in the early stage of the study . The results show that the multi - energy complementary distributed system based on solar energy resources is of positive significance in the development of Yunnan Province . The main contents of this study are the design , installation and commissioning of the solar central heating system , the improvement of the heat collecting efficiency of the solar energy , the improvement of the thermal insulation effect of the heat storage tank and the pipeline .

1 . Design of the Solar Central Heating System

On the basis of summarizing the previous research results , this study designs a set of solar central heating system .

2 . Research on Improving the Thermal Efficiency of Solar Heat Set

In the previous experiment , the trough - type solar heat collector is used , the cost is high , the capital return period is long . The research results and the problems in the prior period are summarized . The average unit time of the old system is 2005 . 47J / s , while the new system is 4063.89 J / s . The heat collection efficiency of the inner condensing heat pipe heat collector is higher than that of the trough type heat collector , and the cost is lower than that of the trough type heat collector , and the cost recovery period is short , and the practical application value is high .

3 . Research on Improving Thermal Insulation Effect of Heat Storage Tank

In this study , the heat - accumulating water tank is made of rubber - plastic sponge , the heat loss is too large , and the heat - insulating material is not ideal material . In this study , the heat - accumulating water tank adopts HDG combined water tank , and the intermediate heat - insulating layer is 80mm thick polyurethane thermal insulation block . The heat storage tank has a heat - accumulating water tank less than 1 鈩，

本文編號(hào)：1745604