本實用(yong)新型涉及壓縮空氣儲能領域,特(te)別是涉及一(yi)種光熱復(fu)合式非補(bu)燃壓縮空氣發電系(xi)統。
背景技術:
隨(sui)著環境問(wen)題的(de)日(ri)益加(jia)劇(ju)和(he)可再(zai)生能源(yuan)(yuan)發電(dian)的(de)蓬勃發展(zhan),如(ru)何應對可再(zai)生能源(yuan)(yuan)如(ru)風電(dian)、光伏電(dian)源(yuan)(yuan)產生的(de)波動性和(he)不確定性,成為目前電(dian)力工業發展(zhan)的(de)突出問(wen)題。儲能技術是(shi)解決這(zhe)一問(wen)題的(de)核心技術。
現(xian)(xian)有(you)的(de)(de)(de)儲(chu)(chu)(chu)(chu)能(neng)(neng)(neng)(neng)方式主要(yao)有(you):抽(chou)水(shui)蓄(xu)能(neng)(neng)(neng)(neng)和(he)壓(ya)(ya)(ya)縮(suo)(suo)空氣(qi)(qi)(qi)(qi)(qi)蓄(xu)能(neng)(neng)(neng)(neng)。抽(chou)水(shui)蓄(xu)能(neng)(neng)(neng)(neng)是(shi)實現(xian)(xian)大規模儲(chu)(chu)(chu)(chu)能(neng)(neng)(neng)(neng)的(de)(de)(de)主要(yao)方式,在國際儲(chu)(chu)(chu)(chu)能(neng)(neng)(neng)(neng)市場中(zhong)所占的(de)(de)(de)裝機(ji)容(rong)量(liang)最大,但(dan)由于其電(dian)(dian)(dian)(dian)(dian)站(zhan)的(de)(de)(de)建站(zhan)對(dui)地(di)質、地(di)理(li)條件、水(shui)源(yuan)等要(yao)求苛刻,電(dian)(dian)(dian)(dian)(dian)站(zhan)建站(zhan)往往受限,因(yin)此壓(ya)(ya)(ya)縮(suo)(suo)空氣(qi)(qi)(qi)(qi)(qi)儲(chu)(chu)(chu)(chu)能(neng)(neng)(neng)(neng)開始被廣泛研究。壓(ya)(ya)(ya)縮(suo)(suo)空氣(qi)(qi)(qi)(qi)(qi)儲(chu)(chu)(chu)(chu)能(neng)(neng)(neng)(neng)發電(dian)(dian)(dian)(dian)(dian)系(xi)統(tong)的(de)(de)(de)工作(zuo)原(yuan)理(li)與抽(chou)水(shui)蓄(xu)能(neng)(neng)(neng)(neng)相類似(si),當電(dian)(dian)(dian)(dian)(dian)力(li)系(xi)統(tong)的(de)(de)(de)用電(dian)(dian)(dian)(dian)(dian)處(chu)于低谷時,系(xi)統(tong)儲(chu)(chu)(chu)(chu)能(neng)(neng)(neng)(neng),利(li)用系(xi)統(tong)中(zhong)的(de)(de)(de)富余電(dian)(dian)(dian)(dian)(dian)量(liang),壓(ya)(ya)(ya)縮(suo)(suo)機(ji)驅動(dong)空氣(qi)(qi)(qi)(qi)(qi)壓(ya)(ya)(ya)縮(suo)(suo)機(ji)以壓(ya)(ya)(ya)縮(suo)(suo)空氣(qi)(qi)(qi)(qi)(qi),把能(neng)(neng)(neng)(neng)量(liang)以壓(ya)(ya)(ya)縮(suo)(suo)空氣(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)形式儲(chu)(chu)(chu)(chu)存在儲(chu)(chu)(chu)(chu)氣(qi)(qi)(qi)(qi)(qi)室(shi)中(zhong);當電(dian)(dian)(dian)(dian)(dian)力(li)系(xi)統(tong)用電(dian)(dian)(dian)(dian)(dian)負荷達到高峰(feng)發電(dian)(dian)(dian)(dian)(dian)量(liang)不足時,系(xi)統(tong)釋能(neng)(neng)(neng)(neng),儲(chu)(chu)(chu)(chu)氣(qi)(qi)(qi)(qi)(qi)室(shi)將儲(chu)(chu)(chu)(chu)氣(qi)(qi)(qi)(qi)(qi)空間內的(de)(de)(de)壓(ya)(ya)(ya)縮(suo)(suo)空氣(qi)(qi)(qi)(qi)(qi)釋放出來,帶動(dong)發電(dian)(dian)(dian)(dian)(dian)機(ji)發電(dian)(dian)(dian)(dian)(dian),完成了電(dian)(dian)(dian)(dian)(dian)能(neng)(neng)(neng)(neng)—空氣(qi)(qi)(qi)(qi)(qi)勢(shi)能(neng)(neng)(neng)(neng)—電(dian)(dian)(dian)(dian)(dian)能(neng)(neng)(neng)(neng)的(de)(de)(de)轉化。壓(ya)(ya)(ya)縮(suo)(suo)空氣(qi)(qi)(qi)(qi)(qi)儲(chu)(chu)(chu)(chu)能(neng)(neng)(neng)(neng)對(dui)地(di)理(li)和(he)地(di)質條件無特殊要(yao)求,山洞、荒灘(tan)、廢(fei)棄礦井,甚至海(hai)灘(tan)、海(hai)底都可(ke)以,儲(chu)(chu)(chu)(chu)氣(qi)(qi)(qi)(qi)(qi)庫可(ke)采用管線(xian)鋼深埋地(di)下,幾乎(hu)不占用土地(di),也可(ke)以采用鋼制的(de)(de)(de)高壓(ya)(ya)(ya)儲(chu)(chu)(chu)(chu)罐作(zuo)為高壓(ya)(ya)(ya)氣(qi)(qi)(qi)(qi)(qi)體的(de)(de)(de)存儲(chu)(chu)(chu)(chu)空間;儲(chu)(chu)(chu)(chu)能(neng)(neng)(neng)(neng)采用自然界的(de)(de)(de)大氣(qi)(qi)(qi)(qi)(qi)作(zuo)為工質,吸氣(qi)(qi)(qi)(qi)(qi)和(he)排氣(qi)(qi)(qi)(qi)(qi)都在環境(jing)大氣(qi)(qi)(qi)(qi)(qi)中(zhong)進行,不會帶來污(wu)染和(he)生態(tai)問題,是(shi)一(yi)種真(zhen)正能(neng)(neng)(neng)(neng)夠實現(xian)(xian)零(ling)排放環境(jing)友好的(de)(de)(de)儲(chu)(chu)(chu)(chu)能(neng)(neng)(neng)(neng)方式。
現(xian)有(you)技術(shu)中,為了提高電能(neng)的(de)轉化率,壓縮(suo)空(kong)氣(qi)儲(chu)能(neng)系統還包括級(ji)間(jian)(jian)冷卻器、天(tian)然氣(qi)補燃裝置和儲(chu)熱(re)(re)裝置,在儲(chu)能(neng)過(guo)(guo)程(cheng)中,壓縮(suo)機將空(kong)氣(qi)進(jin)(jin)行多(duo)級(ji)壓縮(suo),壓縮(suo)氣(qi)體產生的(de)壓縮(suo)熱(re)(re)通過(guo)(guo)級(ji)間(jian)(jian)冷卻后將常溫壓縮(suo)空(kong)氣(qi)存儲(chu)在儲(chu)氣(qi)室中;在系統釋能(neng)的(de)過(guo)(guo)程(cheng)中,壓縮(suo)空(kong)氣(qi)進(jin)(jin)入天(tian)然氣(qi)補燃室,經加熱(re)(re)后形成高溫高壓的(de)壓縮(suo)空(kong)氣(qi)進(jin)(jin)入汽輪機帶動發(fa)(fa)電機發(fa)(fa)電。現(xian)有(you)技術(shu)存在成本高、儲(chu)熱(re)(re)效果(guo)差(cha)、采用天(tian)然氣(qi)補燃產生碳排放污(wu)染環(huan)境的(de)問題(ti)。
技術實現要素:
(一)要解決的技術(shu)問題
本實用新型(xing)的目的是提供一種(zhong)光熱復合式(shi)非補燃壓縮空氣發電系統,以解決現有(you)補燃式(shi)壓縮空氣儲(chu)能技術中存在(zai)的成本高、有(you)碳排放(fang)、依賴(lai)天然氣的問題。
(二)技術方案
為(wei)了(le)解(jie)決(jue)上述技術問(wen)題(ti),本(ben)實用新型提供一種光熱復合式(shi)非補(bu)燃壓縮空氣(qi)發(fa)電系(xi)統,包括:太陽能光熱單(dan)元、儲氣(qi)單(dan)元和高速透平發(fa)電單(dan)元;
所(suo)(suo)(suo)(suo)述(shu)(shu)(shu)太(tai)陽能光熱(re)(re)(re)單元包括低(di)溫(wen)(wen)(wen)(wen)儲(chu)油(you)罐(guan)、高(gao)(gao)溫(wen)(wen)(wen)(wen)儲(chu)油(you)罐(guan)、導(dao)熱(re)(re)(re)介質(zhi)(zhi)、泵、槽(cao)式(shi)集熱(re)(re)(re)器(qi)、加(jia)熱(re)(re)(re)器(qi)和(he)油(you)氣(qi)(qi)換熱(re)(re)(re)器(qi);所(suo)(suo)(suo)(suo)述(shu)(shu)(shu)低(di)溫(wen)(wen)(wen)(wen)儲(chu)油(you)罐(guan)的(de)(de)輸(shu)出端(duan)(duan)與所(suo)(suo)(suo)(suo)述(shu)(shu)(shu)槽(cao)式(shi)集熱(re)(re)(re)器(qi)輸(shu)入(ru)端(duan)(duan)之間連接有所(suo)(suo)(suo)(suo)述(shu)(shu)(shu)泵,用于(yu)將所(suo)(suo)(suo)(suo)述(shu)(shu)(shu)導(dao)熱(re)(re)(re)介質(zhi)(zhi)從所(suo)(suo)(suo)(suo)述(shu)(shu)(shu)低(di)溫(wen)(wen)(wen)(wen)儲(chu)油(you)罐(guan)中(zhong)泵入(ru)所(suo)(suo)(suo)(suo)述(shu)(shu)(shu)槽(cao)式(shi)集熱(re)(re)(re)器(qi)中(zhong),所(suo)(suo)(suo)(suo)述(shu)(shu)(shu)槽(cao)式(shi)集熱(re)(re)(re)器(qi)利用太(tai)陽能加(jia)熱(re)(re)(re)所(suo)(suo)(suo)(suo)述(shu)(shu)(shu)導(dao)熱(re)(re)(re)介質(zhi)(zhi);所(suo)(suo)(suo)(suo)述(shu)(shu)(shu)槽(cao)式(shi)集熱(re)(re)(re)器(qi)的(de)(de)輸(shu)出端(duan)(duan)與所(suo)(suo)(suo)(suo)述(shu)(shu)(shu)高(gao)(gao)溫(wen)(wen)(wen)(wen)儲(chu)油(you)罐(guan)的(de)(de)輸(shu)入(ru)端(duan)(duan)之間連接加(jia)熱(re)(re)(re)器(qi),所(suo)(suo)(suo)(suo)述(shu)(shu)(shu)低(di)溫(wen)(wen)(wen)(wen)儲(chu)油(you)罐(guan)的(de)(de)輸(shu)入(ru)端(duan)(duan)與所(suo)(suo)(suo)(suo)述(shu)(shu)(shu)高(gao)(gao)溫(wen)(wen)(wen)(wen)儲(chu)油(you)罐(guan)的(de)(de)輸(shu)出端(duan)(duan)之間連接油(you)氣(qi)(qi)換熱(re)(re)(re)器(qi);所(suo)(suo)(suo)(suo)述(shu)(shu)(shu)油(you)氣(qi)(qi)換熱(re)(re)(re)器(qi)的(de)(de)氣(qi)(qi)路進口連接所(suo)(suo)(suo)(suo)述(shu)(shu)(shu)儲(chu)氣(qi)(qi)單元的(de)(de)輸(shu)出端(duan)(duan),用于(yu)加(jia)熱(re)(re)(re)所(suo)(suo)(suo)(suo)述(shu)(shu)(shu)儲(chu)氣(qi)(qi)單元輸(shu)出的(de)(de)高(gao)(gao)壓(ya)空氣(qi)(qi),加(jia)熱(re)(re)(re)后的(de)(de)所(suo)(suo)(suo)(suo)述(shu)(shu)(shu)高(gao)(gao)壓(ya)空氣(qi)(qi)輸(shu)入(ru)所(suo)(suo)(suo)(suo)述(shu)(shu)(shu)高(gao)(gao)速(su)透平發電單元進行發電。
其(qi)中,所(suo)述儲氣(qi)單元(yuan)包括(kuo)電動機、空氣(qi)壓縮機和(he)儲氣(qi)室;所(suo)述空氣(qi)壓縮機通過所(suo)述電動機驅動,所(suo)述空氣(qi)壓縮機的輸出端連接所(suo)述儲氣(qi)室的進口。
其中(zhong),所(suo)述儲氣(qi)室的(de)進(jin)口和(he)出(chu)口分(fen)別設置控制閥,用于(yu)控制輸入和(he)輸出(chu)儲氣(qi)室的(de)氣(qi)體的(de)流(liu)量。
其中,所(suo)述(shu)空(kong)氣壓縮(suo)(suo)機采用(yong)二級(ji)(ji)壓縮(suo)(suo),每級(ji)(ji)壓縮(suo)(suo)出(chu)口均設有(you)冷(leng)卻器,用(yong)于冷(leng)卻壓縮(suo)(suo)后(hou)的氣體。
其中,所述高(gao)(gao)速透平(ping)發(fa)電單(dan)元包(bao)括空氣(qi)膨脹透平(ping)、高(gao)(gao)速發(fa)電機(ji)組(zu)和電力電子變流器(qi),所述電力電子變流器(qi)用于將高(gao)(gao)頻交(jiao)(jiao)流電實(shi)現(xian)交(jiao)(jiao)流 -直流-交(jiao)(jiao)流的變換。
其中,所述高速透平發電單元包括(kuo)透平控(kong)制裝置。
其(qi)中,所述(shu)高(gao)速透平發電單元包括電力(li)電子變(bian)流器(qi)控制裝(zhuang)(zhuang)置,所述(shu)電力(li)電子變(bian)流器(qi)控制裝(zhuang)(zhuang)置依據不同工(gong)況下(xia)透平的轉速來(lai)調整控制參數,用于保證經變(bian)頻后(hou)輸出的電能(neng)質量。
其中,所(suo)述(shu)低溫(wen)儲(chu)油罐和所(suo)述(shu)高溫(wen)儲(chu)油罐中均設有(you)氮氣保護裝置。
其中(zhong),所述低溫(wen)儲油(you)罐(guan)和所述高(gao)溫(wen)儲油(you)罐(guan)外表(biao)包有保溫(wen)材料。
(三)有益效果
本(ben)實用新型(xing)提(ti)供的(de)光熱(re)(re)(re)復(fu)合式(shi)非(fei)補(bu)燃(ran)壓(ya)縮(suo)空(kong)氣發電系(xi)(xi)統(tong)(tong),通過(guo)(guo)采用太陽能槽式(shi)集熱(re)(re)(re)器(qi)和加熱(re)(re)(re)器(qi)來為高(gao)(gao)壓(ya)空(kong)氣提(ti)供高(gao)(gao)溫熱(re)(re)(re)源,避免了現有技(ji)術中補(bu)燃(ran)式(shi)壓(ya)縮(suo)空(kong)氣儲(chu)能技(ji)術存在的(de)成(cheng)本(ben)高(gao)(gao)、有碳排放、依賴天(tian)然氣的(de)問題,降低了對(dui)環境(jing)的(de)污染(ran),節省了成(cheng)本(ben)。另外,通過(guo)(guo)同時(shi)設置槽式(shi)集熱(re)(re)(re)器(qi)和加熱(re)(re)(re)器(qi),使得在利用太陽能儲(chu)熱(re)(re)(re)的(de)同時(shi),還可(ke)通過(guo)(guo)加熱(re)(re)(re)器(qi)對(dui)導(dao)熱(re)(re)(re)介質進行加熱(re)(re)(re),進而通過(guo)(guo)油氣換熱(re)(re)(re)器(qi)實現對(dui)高(gao)(gao)壓(ya)空(kong)氣的(de)加熱(re)(re)(re),既提(ti)高(gao)(gao)了系(xi)(xi)統(tong)(tong)釋能效率(lv),又可(ke)滿足系(xi)(xi)統(tong)(tong)在不同工(gong)況下(xia)的(de)穩定運行。
附圖說明
圖1為光熱復合式非補燃壓縮(suo)空氣發電系統示(shi)意圖;
圖(tu)2為(wei)太陽能光熱單元示意(yi)圖(tu);
圖中,1、電動機;2、空氣壓縮機;3、高壓儲(chu)(chu)氣罐(guan);4、油氣換熱器(qi);5、太陽(yang)能光(guang)熱單(dan)元;6、高速透(tou)平(ping)發電單(dan)元;7、第(di)一控(kong)制(zhi)(zhi)(zhi)閥(fa); 8、第(di)二控(kong)制(zhi)(zhi)(zhi)閥(fa);9、第(di)三(san)控(kong)制(zhi)(zhi)(zhi)閥(fa);10、第(di)四控(kong)制(zhi)(zhi)(zhi)閥(fa);51、低溫儲(chu)(chu)油罐(guan);52、泵;53、槽(cao)式集(ji)熱器(qi);54、加熱器(qi);55、高溫儲(chu)(chu)油罐(guan)。
具體實施方式
下面結合(he)附圖和(he)實(shi)施(shi)例,對(dui)本實(shi)用(yong)(yong)新型的(de)具體(ti)實(shi)施(shi)方式(shi)作(zuo)進一(yi)步(bu)詳細描(miao)述。以下實(shi)例用(yong)(yong)于(yu)說(shuo)明(ming)本實(shi)用(yong)(yong)新型,但不用(yong)(yong)來限制本實(shi)用(yong)(yong)新型的(de)范圍。
在(zai)本實用(yong)新(xin)型的描述中(zhong),需要說明的是(shi)(shi),除非另(ling)有明確(que)的規定和限(xian)定,術(shu)語“安裝”、“相連(lian)”、“連(lian)接(jie)(jie)”應做廣義理解(jie),例如,可(ke)以(yi)(yi)是(shi)(shi)固(gu)定連(lian)接(jie)(jie),也(ye)可(ke)以(yi)(yi)是(shi)(shi)可(ke)拆卸連(lian)接(jie)(jie),或一體地連(lian)接(jie)(jie);可(ke)以(yi)(yi)是(shi)(shi)機械連(lian)接(jie)(jie),也(ye)可(ke)以(yi)(yi)是(shi)(shi)電連(lian)接(jie)(jie);可(ke)以(yi)(yi)是(shi)(shi)直接(jie)(jie)相連(lian),也(ye)可(ke)以(yi)(yi)通(tong)過中(zhong)間媒(mei)介間接(jie)(jie)相連(lian),可(ke)以(yi)(yi)是(shi)(shi)兩個(ge)元件內部的連(lian)通(tong)。對于本領域的普通(tong)技術(shu)人員(yuan)而言,可(ke)以(yi)(yi)具體情況理解(jie)上述術(shu)語在(zai)本實用(yong)新(xin)型中(zhong)的具體含義。
圖(tu)(tu)1為光(guang)(guang)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)復(fu)合式(shi)(shi)非補燃壓縮空(kong)(kong)氣(qi)(qi)(qi)發電(dian)(dian)系(xi)統(tong)示(shi)(shi)意(yi)圖(tu)(tu),圖(tu)(tu)2為儲(chu)(chu)(chu)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)系(xi)統(tong)示(shi)(shi)意(yi)圖(tu)(tu)。本實(shi)用(yong)(yong)新型提供的(de)光(guang)(guang)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)復(fu)合式(shi)(shi)非補燃壓縮空(kong)(kong)氣(qi)(qi)(qi)發電(dian)(dian)系(xi)統(tong),包括(kuo)太(tai)陽(yang)能(neng)光(guang)(guang)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)單元(yuan)(yuan)(yuan)(yuan)5、儲(chu)(chu)(chu)氣(qi)(qi)(qi)單元(yuan)(yuan)(yuan)(yuan)和(he)(he)高(gao)速透平(ping)發電(dian)(dian)單元(yuan)(yuan)(yuan)(yuan)6。如(ru)圖(tu)(tu) 1和(he)(he)圖(tu)(tu)2所示(shi)(shi),太(tai)陽(yang)能(neng)光(guang)(guang)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)單元(yuan)(yuan)(yuan)(yuan)5包括(kuo)低(di)(di)(di)溫(wen)儲(chu)(chu)(chu)油(you)(you)(you)(you)罐51、高(gao)溫(wen)儲(chu)(chu)(chu)油(you)(you)(you)(you)罐 55、導(dao)(dao)(dao)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)介(jie)質(zhi)、泵(beng)(beng)52、槽式(shi)(shi)集(ji)(ji)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)(qi)(qi)53、加(jia)(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)(qi)(qi)54和(he)(he)油(you)(you)(you)(you)氣(qi)(qi)(qi)換熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)(qi)(qi)4。低(di)(di)(di)溫(wen)儲(chu)(chu)(chu)油(you)(you)(you)(you)罐51用(yong)(yong)于盛(sheng)放低(di)(di)(di)溫(wen)的(de)導(dao)(dao)(dao)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)介(jie)質(zhi),如(ru)本實(shi)施例中(zhong)(zhong)的(de)導(dao)(dao)(dao)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)介(jie)質(zhi)采(cai)(cai)用(yong)(yong)導(dao)(dao)(dao)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)油(you)(you)(you)(you)。低(di)(di)(di)溫(wen)儲(chu)(chu)(chu)油(you)(you)(you)(you)罐51的(de)輸(shu)出端(duan)與(yu)槽式(shi)(shi)集(ji)(ji)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)(qi)(qi)53輸(shu)入(ru)端(duan)之間(jian)連接(jie)泵(beng)(beng)52,當需要對太(tai)陽(yang)能(neng)光(guang)(guang)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)單元(yuan)(yuan)(yuan)(yuan)5進(jin)(jin)行儲(chu)(chu)(chu)能(neng)時(shi),泵(beng)(beng)52將(jiang)低(di)(di)(di)溫(wen)導(dao)(dao)(dao)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)油(you)(you)(you)(you)從低(di)(di)(di)溫(wen)儲(chu)(chu)(chu)油(you)(you)(you)(you)罐51泵(beng)(beng)入(ru)槽式(shi)(shi)集(ji)(ji)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)(qi)(qi)53中(zhong)(zhong),槽式(shi)(shi)集(ji)(ji)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)(qi)(qi)53利用(yong)(yong)收集(ji)(ji)到的(de)太(tai)陽(yang)能(neng)將(jiang)低(di)(di)(di)溫(wen)導(dao)(dao)(dao)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)油(you)(you)(you)(you)加(jia)(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)至高(gao)溫(wen),再通過泵(beng)(beng)52將(jiang)高(gao)溫(wen)導(dao)(dao)(dao)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)油(you)(you)(you)(you)壓入(ru)高(gao)溫(wen)儲(chu)(chu)(chu)油(you)(you)(you)(you)罐55中(zhong)(zhong)。油(you)(you)(you)(you)路(lu)(lu)流向如(ru)圖(tu)(tu)中(zhong)(zhong)實(shi)心箭(jian)頭所示(shi)(shi)。在(zai)槽式(shi)(shi)集(ji)(ji)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)(qi)(qi) 53的(de)輸(shu)出端(duan)與(yu)高(gao)溫(wen)儲(chu)(chu)(chu)油(you)(you)(you)(you)罐55的(de)輸(shu)入(ru)端(duan)之間(jian)還連接(jie)有加(jia)(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)(qi)(qi)54,加(jia)(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)(qi)(qi)54采(cai)(cai)用(yong)(yong)電(dian)(dian)加(jia)(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)(qi)(qi),當太(tai)陽(yang)光(guang)(guang)輻(fu)照(zhao)度(du)低(di)(di)(di)于設計值或(huo)陰雨天氣(qi)(qi)(qi)時(shi),儲(chu)(chu)(chu)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)過程需要啟動(dong)電(dian)(dian)加(jia)(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)(qi)(qi),對導(dao)(dao)(dao)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)油(you)(you)(you)(you)進(jin)(jin)行加(jia)(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)后存儲(chu)(chu)(chu)在(zai)高(gao)溫(wen)儲(chu)(chu)(chu)油(you)(you)(you)(you)罐 55中(zhong)(zhong)。低(di)(di)(di)溫(wen)儲(chu)(chu)(chu)油(you)(you)(you)(you)罐51的(de)輸(shu)入(ru)端(duan)與(yu)高(gao)溫(wen)儲(chu)(chu)(chu)油(you)(you)(you)(you)罐55的(de)輸(shu)出端(duan)之間(jian)連接(jie)油(you)(you)(you)(you)氣(qi)(qi)(qi)換熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)(qi)(qi)4,油(you)(you)(you)(you)氣(qi)(qi)(qi)換熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)(qi)(qi)4具有氣(qi)(qi)(qi)路(lu)(lu)和(he)(he)油(you)(you)(you)(you)路(lu)(lu)兩條通道,在(zai)油(you)(you)(you)(you)氣(qi)(qi)(qi)換熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)(qi)(qi)4中(zhong)(zhong)實(shi)現高(gao)溫(wen)導(dao)(dao)(dao)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)油(you)(you)(you)(you)和(he)(he)高(gao)壓空(kong)(kong)氣(qi)(qi)(qi)之間(jian)的(de)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)量(liang)傳導(dao)(dao)(dao)。油(you)(you)(you)(you)氣(qi)(qi)(qi)換熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)(qi)(qi)4的(de)氣(qi)(qi)(qi)路(lu)(lu)進(jin)(jin)口連接(jie)儲(chu)(chu)(chu)氣(qi)(qi)(qi)單元(yuan)(yuan)(yuan)(yuan)的(de)輸(shu)出端(duan),用(yong)(yong)于加(jia)(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)儲(chu)(chu)(chu)氣(qi)(qi)(qi)單元(yuan)(yuan)(yuan)(yuan)輸(shu)出的(de)高(gao)壓空(kong)(kong)氣(qi)(qi)(qi),加(jia)(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)后的(de)高(gao)壓空(kong)(kong)氣(qi)(qi)(qi)輸(shu)入(ru)高(gao)速透平(ping)發電(dian)(dian)單元(yuan)(yuan)(yuan)(yuan)6進(jin)(jin)行發電(dian)(dian),空(kong)(kong)氣(qi)(qi)(qi)流向如(ru)圖(tu)(tu)1中(zhong)(zhong)空(kong)(kong)心箭(jian)頭所示(shi)(shi)。
本(ben)實用新型提(ti)供(gong)的光熱(re)復合式(shi)非補燃(ran)壓(ya)縮(suo)空氣(qi)發(fa)電系(xi)統,通(tong)過采用太(tai)陽(yang)能(neng)槽(cao)(cao)式(shi)集熱(re)器(qi)和(he)加(jia)(jia)熱(re)器(qi)來為高(gao)(gao)壓(ya)空氣(qi)提(ti)供(gong)高(gao)(gao)溫熱(re)源,避免了(le)現有技術(shu)中補燃(ran)式(shi)壓(ya)縮(suo)空氣(qi)儲能(neng)技術(shu)存在(zai)的成本(ben)高(gao)(gao)、有碳排(pai)放(fang)、依賴天然氣(qi)的問題,降低了(le)對環境(jing)的污染(ran),節省了(le)成本(ben)。另外(wai),通(tong)過同(tong)時設置槽(cao)(cao)式(shi)集熱(re)器(qi)和(he)加(jia)(jia)熱(re)器(qi),使得在(zai)利用太(tai)陽(yang)能(neng)儲熱(re)的同(tong)時,還(huan)可通(tong)過加(jia)(jia)熱(re)器(qi)對導熱(re)介(jie)質進(jin)行加(jia)(jia)熱(re),進(jin)而通(tong)過油氣(qi)換熱(re)器(qi)實現對高(gao)(gao)壓(ya)空氣(qi)的加(jia)(jia)熱(re),既提(ti)高(gao)(gao)了(le)系(xi)統釋能(neng)效率,又可滿足系(xi)統在(zai)不同(tong)工況下的穩(wen)定(ding)運行。
其中,儲(chu)(chu)氣(qi)(qi)(qi)(qi)(qi)單(dan)元(yuan)包括電(dian)動機(ji)1、空(kong)氣(qi)(qi)(qi)(qi)(qi)壓(ya)(ya)(ya)(ya)縮(suo)機(ji)2和儲(chu)(chu)氣(qi)(qi)(qi)(qi)(qi)室。空(kong)氣(qi)(qi)(qi)(qi)(qi)壓(ya)(ya)(ya)(ya)縮(suo)機(ji)2通過電(dian)動機(ji)1驅動,利用棄風(feng)電(dian)、棄光電(dian)或(huo)低(di)谷電(dian)驅動,對空(kong)氣(qi)(qi)(qi)(qi)(qi)進行壓(ya)(ya)(ya)(ya)縮(suo),以高(gao)壓(ya)(ya)(ya)(ya)空(kong)氣(qi)(qi)(qi)(qi)(qi)的(de)形式輸出(chu);空(kong)氣(qi)(qi)(qi)(qi)(qi)壓(ya)(ya)(ya)(ya)縮(suo)機(ji)2的(de)輸出(chu)端連接儲(chu)(chu)氣(qi)(qi)(qi)(qi)(qi)室的(de)進口(kou),儲(chu)(chu)氣(qi)(qi)(qi)(qi)(qi)室可以是高(gao)壓(ya)(ya)(ya)(ya)儲(chu)(chu)氣(qi)(qi)(qi)(qi)(qi)罐(guan)3或(huo)其他形式,本實施(shi)例(li)中采(cai)用高(gao)壓(ya)(ya)(ya)(ya)儲(chu)(chu)氣(qi)(qi)(qi)(qi)(qi)罐(guan)3。高(gao)壓(ya)(ya)(ya)(ya)儲(chu)(chu)氣(qi)(qi)(qi)(qi)(qi)罐(guan)3的(de)出(chu)口(kou)連接所述(shu)油氣(qi)(qi)(qi)(qi)(qi)換熱(re)器(qi)(qi)4的(de)氣(qi)(qi)(qi)(qi)(qi)路進口(kou),高(gao)壓(ya)(ya)(ya)(ya)空(kong)氣(qi)(qi)(qi)(qi)(qi)經高(gao)溫(wen)導熱(re)油加熱(re)后(hou),變為(wei)高(gao)溫(wen)高(gao)壓(ya)(ya)(ya)(ya)空(kong)氣(qi)(qi)(qi)(qi)(qi),從油氣(qi)(qi)(qi)(qi)(qi)換熱(re)器(qi)(qi)4的(de)氣(qi)(qi)(qi)(qi)(qi)路出(chu)口(kou)輸出(chu),并輸入至與其連接的(de)高(gao)速(su)透平發電(dian)單(dan)元(yuan)6,進行釋能發電(dian)。
其(qi)中(zhong),高(gao)壓(ya)儲氣(qi)(qi)罐(guan)(guan)3的進(jin)口處設(she)置(zhi)有用于控制(zhi)進(jin)入(ru)氣(qi)(qi)量(liang)的第一控制(zhi)閥(fa)7,出口處設(she)置(zhi)有用于控制(zhi)輸(shu)出氣(qi)(qi)量(liang)的第二(er)控制(zhi)閥(fa)8,通過設(she)置(zhi)控制(zhi)閥(fa),使得高(gao)壓(ya)儲氣(qi)(qi)罐(guan)(guan)內部環境(jing)更(geng)容易控制(zhi)。
其中,空(kong)(kong)氣(qi)壓縮(suo)機(ji)2采用(yong)(yong)二級(ji)壓縮(suo),每(mei)級(ji)壓縮(suo)出(chu)口均設有冷(leng)(leng)(leng)卻(que)器,用(yong)(yong)于冷(leng)(leng)(leng)卻(que)壓縮(suo)后的(de)(de)(de)氣(qi)體。當(dang)空(kong)(kong)氣(qi)經第一級(ji)壓縮(suo)機(ji)壓縮(suo)后,通(tong)過壓縮(suo)機(ji)自帶的(de)(de)(de)冷(leng)(leng)(leng)卻(que)器對壓縮(suo)后的(de)(de)(de)氣(qi)體冷(leng)(leng)(leng)卻(que),然后再進(jin)入(ru)第二級(ji)壓縮(suo),經冷(leng)(leng)(leng)卻(que)器冷(leng)(leng)(leng)卻(que)后,實現(xian)高壓空(kong)(kong)氣(qi)以常溫進(jin)入(ru)儲氣(qi)室。通(tong)過采用(yong)(yong)二級(ji)壓縮(suo),提高了空(kong)(kong)氣(qi)壓縮(suo)效率,節省了能源,使絕熱壓縮(suo)空(kong)(kong)氣(qi)儲能擺脫了對高溫壓縮(suo)機(ji)的(de)(de)(de)依賴。
其中(zhong)(zhong),高(gao)(gao)速(su)透(tou)平(ping)發電(dian)(dian)(dian)(dian)(dian)(dian)單元6包括(kuo)空(kong)(kong)氣(qi)(qi)膨脹(zhang)透(tou)平(ping)、高(gao)(gao)速(su)發電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)組和電(dian)(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)(dian)子(zi)變(bian)(bian)流(liu)(liu)器,從油氣(qi)(qi)換(huan)熱(re)器4輸(shu)出(chu)的(de)(de)高(gao)(gao)溫(wen)高(gao)(gao)壓空(kong)(kong)氣(qi)(qi)輸(shu)入(ru)空(kong)(kong)氣(qi)(qi)膨脹(zhang)透(tou)平(ping),釋能驅動高(gao)(gao)速(su)發電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)組運轉發電(dian)(dian)(dian)(dian)(dian)(dian),電(dian)(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)(dian)子(zi)變(bian)(bian)流(liu)(liu)器將高(gao)(gao)頻交(jiao)流(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)整流(liu)(liu)成直流(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian),再經(jing)逆(ni)變(bian)(bian)器變(bian)(bian)換(huan)為(wei)50Hz工(gong)頻交(jiao)流(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)后接(jie)入(ru)電(dian)(dian)(dian)(dian)(dian)(dian)網。本申請采(cai)用高(gao)(gao)速(su)發電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)組和電(dian)(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)(dian)子(zi)變(bian)(bian)流(liu)(liu)器相配合,不僅解決了現有技術中(zhong)(zhong)機(ji)械連接(jie)帶來(lai)運行噪音大和可靠性差的(de)(de)問題,而且(qie)使得發出(chu)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)能柔性接(jie)入(ru)電(dian)(dian)(dian)(dian)(dian)(dian)網,大大提升了發電(dian)(dian)(dian)(dian)(dian)(dian)系統接(jie)入(ru)電(dian)(dian)(dian)(dian)(dian)(dian)網的(de)(de)友好性。
其(qi)中,所述高速透平發電單元6包(bao)括透平控制裝(zhuang)置,用以實(shi)現不同工況下的(de)穩定運(yun)轉。
其中,所述高速(su)(su)透(tou)平發電(dian)(dian)(dian)單元(yuan)(yuan)6包括電(dian)(dian)(dian)力(li)電(dian)(dian)(dian)子變流器控(kong)(kong)(kong)制裝置,所述電(dian)(dian)(dian)力(li)電(dian)(dian)(dian)子變流器控(kong)(kong)(kong)制裝置依據不同工況下透(tou)平的(de)轉速(su)(su)來(lai)調整控(kong)(kong)(kong)制參(can)數,用于保(bao)證經(jing)變頻后輸出的(de)電(dian)(dian)(dian)能質量,確保(bao)輸出的(de)電(dian)(dian)(dian)能質量滿足并網要(yao)求。另(ling)外,在高速(su)(su)透(tou)平發電(dian)(dian)(dian)單元(yuan)(yuan)6和油氣換熱器4之間還(huan)設(she)置有第三控(kong)(kong)(kong)制閥9,用于控(kong)(kong)(kong)制進入透(tou)平的(de)高溫高壓空氣的(de)流量。
其中,經換(huan)熱(re)(re)(re)后進(jin)入高速(su)發電機組(zu)的(de)(de)壓(ya)縮空氣(qi)的(de)(de)溫度為250℃~ 300℃。儲(chu)氣(qi)室的(de)(de)壓(ya)力不大于8.8Mpa。在(zai)油(you)(you)氣(qi)換(huan)熱(re)(re)(re)器4和高速(su)在(zai)儲(chu)熱(re)(re)(re)單元下游,即油(you)(you)氣(qi)換(huan)熱(re)(re)(re)器4和高溫儲(chu)油(you)(you)罐55之間(jian),還(huan)設置(zhi)有第(di)四(si)控制閥(fa) 10,用于控制進(jin)入油(you)(you)氣(qi)換(huan)熱(re)(re)(re)器4的(de)(de)導熱(re)(re)(re)油(you)(you)的(de)(de)流量。
其(qi)中(zhong),低溫(wen)儲油罐(guan)(guan)和(he)所述高(gao)溫(wen)儲油罐(guan)(guan)中(zhong)設有(you)氮氣保(bao)護裝置,用于防止導熱(re)油被氧(yang)化,延長導熱(re)油使(shi)用壽命。低溫(wen)儲油罐(guan)(guan)和(he)高(gao)溫(wen)儲油罐(guan)(guan)外表包(bao)有(you)保(bao)溫(wen)材料,可實現24小時油罐(guan)(guan)內的溫(wen)度(du)變(bian)化不超過±1℃,保(bao)證油罐(guan)(guan)內環(huan)境的穩定(ding)。
以上所(suo)述(shu)僅(jin)為(wei)本(ben)實(shi)(shi)用新型的(de)(de)(de)較佳實(shi)(shi)施例而已(yi),并不(bu)用以限制(zhi)本(ben)實(shi)(shi)用新型,凡在本(ben)實(shi)(shi)用新型的(de)(de)(de)精(jing)神和(he)原則之內(nei),所(suo)作的(de)(de)(de)任何(he)修改(gai)、等(deng)同替換、改(gai)進等(deng),均(jun)應包含在本(ben)實(shi)(shi)用新型的(de)(de)(de)保護范(fan)圍之內(nei)。