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余热型溴化锂吸收式冷热水机组的应用

作者:    发布于:2020-10-28 11:56:24    文字:【】【】【

SUIZHEWOGUOJINGJIDEKUAISUFAZHAN,NENGYUANXIAOHAOLIANGBUDUANZENGDA,ERZAIZHEIGEGUOCHENGZHONGSUOCHANSHENGDEWURANWENTIYERIYITUCHU,QIZHONGYIGEDIANXINGSHILIJIUSHIJINNIANLAIWUMAITIANQIBUDUANZENGDUO,JIRENMENDESHENGCHANHESHENGHUODAILAIJIDABUBIAN。ZAIWOGUONENGYUANJIEGOUZHONG,MEITANZHANYOUHENDABILI,ERMEITANZAIRANSHAOGUOCHENGZHONGCHANSHENGDALIANGDEWURANWUZHI,DUIHUANJINGWURANJIAODA,YINCI,ZAIQINGJIENENGYUANGONGYINGFENGFUDEDIQU,TICHANGSHIYONGQINGJIENENGYUANYIJINGDEDAOYUELAIYUEDUORENDERENKE。

TIANRANQIZUOWEIQINGJIENENGYUANDEYIZHONG,QIZAIRANSHAOGUOCHENGZHONG,CHANSHENGDEDANYANGHUAWU、YIYANGHUATAN、KEXIRUXUANFUKELIZHEIXIEDUIRENTIYOUHAIDEWUZHIHENSHAO,ERYANGHUALIUDEPAIFANGJIHUWEILING,ERYANGHUATANDECHANSHENGLIANGSHIMEITANDE40%ZUOYOU[1]。RANQILENGREDIANSANLIANGONGXITONGYITIANRANQIWEIRANLIAO,YOUYUQIZAIJIANPAIFANGMIANDEYOUSHI,JINNIANLAIDEDAOLEKUAISUDEFAZHAN[2]。

YUREXINGXIUHUALIXISHOUSHILENG(RE)SHUIJIZUSHIRANQILENGREDIANSANLIANGONGXITONGZHUYAOSHEBEIZHIYI,TABINGBUXIANGBIAOZHUNZHIRANJINEIYANG,ZHIJIERANSHAOTIANRANQILAIGONGLENG、GONGRE,ZHEIYANGDUIRANQIDEXIAOHAOLIANGJIAODA。YUREXINGXIUHUALIXISHOUSHILENG(RE)SHUIJIZUSHIYIRANQILUNJI(HUONEIRANJI)FADIANSHEBEIDENGWAIBUZHUANGZHIPAIFANGDEFEIREZUOQUDONGREYUAN,TONGSHIYEKEYIYIRANYOU、RANQIDERANSHAOREHUOQITAREYUANRUFEIZHENGQI、SHIZHENGZHENGQIDENGZUOWEIFUZHUQUDONGREYUAN,ZHEIYANGJIMANZULEYONGHUDUILENGREDEXUQIU,YOUTIGAOLENENGYUANDELIYONGXIAOLV。SHIZHENGGEGONGXITONGDENENGYUANZONGHELIYONGLVGAODA80%YISHANG[3]。CIWAI,XIAJISHIYONGDIANGAOFENGQI,TIANRANQIDEYONGQIDIGUQI。YUREXINGXIUHUALIXISHOUSHILENG(RE)SHUIJIZULIYONGYUREHUORANQIGONGLENG,KEYIJIANGDIZHILENGYONGDIANLIANG,YIDINGCHENGDUDEHUANJIEYONGDIANJINZHANG,BINGTIGAOYONGQILIANG,DADAOXUEFENGTIANGUDEZUOYONG,YINCI,YUREXINGXIUHUALIXISHOUSHILENG(RE)SHUIJIZUZAILENGREDIANSANLIANGONGZHONGDEDAOYUELAIYUEDUODEYINGYONG。

1 YUREXINGXIUHUALIXISHOUSHILENG(RE)SHUIJIZUYUANLI

1.1    ZHILENGGUOCHENG

制冷时,溶液泵将吸收器中的稀溶液抽出,经溴化锂溶液热交换器换热升温后进入发生器,在发生器中被驱动热源继续加热,浓缩成浓溶液,同时产生高温冷剂蒸汽。浓溶液经热交换器传热管间,加热管内稀溶液,温度降低后回到吸收器。发生器产生的高温冷剂蒸汽进入冷凝器,被流经冷凝器传热管内的冷却水冷凝成冷剂水,热量被带入大气中。冷剂水进入蒸发器,被冷剂泵抽出喷淋在蒸发器传热管表面,吸收流经传热管内冷水的热量而沸腾蒸发,成为冷剂蒸汽。产生的冷剂蒸汽进入吸收器,被回到吸收器中的浓溶液吸收。吸收过程放出的吸收热被流经吸收器传热管内的冷却水带走,被带入大气中。冷水则在热量被冷剂水带走后温度降低,流出机组,返回用户系统。浓溶液在吸收了冷剂蒸汽后,浓度降低,成为稀溶液后被溶液泵再次送往发生器加热浓缩。这个过程不断循环进行,蒸发器就连续不断地制取所要求温度的冷水。

1.2 ZHIREGUOCHENG

ZHIRESHI,LIYONGQUDONGREYUANJIAREFASHENGQIZHONGXIUHUALIRONGYE,CHANSHENGGAOWENLENGJIZHENGQI,TONGSHIRONGYENONGSUOCHENGNONGRONGYE,GAOWENLENGJIZHENGQIJINRUZHENGFAQI,ZAICHUANREGUANBIAOMIANLENGNINGSHIFANGRELIANG,SHIGUANNEIDERESHUIWENDUSHENGGAO,LENGJIZHENGQININGSHUIJINRUXISHOUQI,ERNONGRONGYEYEJINRUXISHOUQI,ERZHEHUNHECHENGXIRONGYE。XIRONGYEZAIYOURONGYEBENGSONGWANGFASHENGQIJIARE。ZHENGFAQICHUANREGUANNEIDERESHUIXISHOULELENGJIZHENGQININGJIESHISHIFANGCHUDERELIANGERSHENGWEN。ZHEIGEGUOCHENGBUDUANXUNHUANJINXING,ZHENGFAQIJIULIANXUBUDUANDIZHIQURESHUI。

YISHANGSHIYUREXINGXIUHUALIXISHOUSHILENG(RE)SHUIJIZUDEGONGZUOYUANLI,TAYUBIAOZHUNZHIRANJIDEZHUYAOQUBIEJIUZAIQUDONGREYUANSHANG,BIAOZHUNZHIRANJIZAIFASHENGQINEILIYONGRANQI、RANYOUDERANSHAOREZUOWEIQUDONGREYUAN,JIAREXIUHUALIXIRONGYE。ERYUREXINGXIUHUALIXISHOUSHILENG(RE)SHUIJIZULIYONGYUREZUOWEIQUDONGREYUAN,BUJINTIGAOLENENGYUANDELIYONGXIAOLV,HAIQIDAOLEJIENENGJIANPAIDEMUDE。

2 YUREXINGXIUHUALIXISHOUSHILENG(RE)SHUIJIZUSHEZHIYUANZE

YUREXINGXIUHUALIXISHOUSHILENG(RE)SHUIJIZUDEYOUSHIZAIYUKEYILIYONGDIPINWEIRENENG,ZAILENGREDIANSANLIANGONGXITONGZHONG,ZHISHAOJUYOUZHENGQI、RESHUIHEGAOWENYANQISANZHONGRENENGZHONGDEYIZHONG,ZHIYOUHELIXUANPEIYUREXINGXIUHUALIXISHOUSHILENG(RE)SHUIJIZU,CAINENGCHONGFENFAHUITIGAOXITONGDENENGYUANZONGHELIYONGLV,JIEYUENENGYUAN,TIGAOXITONGJINGJIXINGDEYOUSHI。DUIYURUHEXUANPEIYUREXINGXIUHUALIXISHOUSHILENG(RE)SHUIJIZU,SHEZHIYUANZERUXIA:

2.1 LEJIEKONGDIAOLENGREFUHE

LEJIEYONGHUKONGDIAOLENGREFUHE,GENJUKONGDIAOLENGREFUHEXUANZEMANZUKONGDIAOLENGREFUHEYAOQIUDEHESHIZHILENG、ZHIRELIANGDEJIZU。YUREXINGXIUHUALIXISHOUSHILENG(RE)SHUIJIZUDAXIAODEXUANZEZHUYAOKANFADIANJIDEYUREREFUHEDAXIAO。YINCI,DANGFADIANJIQUEDINGYIHOU,YUREXINGXIUHUALIXISHOUSHILENG(RE)SHUIJIZUDEFUHEYEJIUQUEDINGLE。

2.2 FENXIYONGHULENGSHUI、LENGQUESHUIQINGKUANG

LEJIEYONGHULENGSHUI、LENGQUESHUIJINCHUKOUWENDU、LIULIANG、SHIFOUHANYIERCHUNHUOQITAFUSHIXINGJIEZHIYIJIZUIGAOGONGZUOYALI。HANYOUYIERCHUNDELENGSHUI、LENGQUESHUIHUIDUIJIZUHUANREXIAOGUOCHANSHENGYINGXIANG,XUYAOJIADAJIZUHUANREMIANJI;HANYOUFUSHIXINGJIEZHIDELENGQUESHUIYINGXIANGHUANREGUANDECAIZHI;ZUIGAOGONGZUOYALIYINGXIANGJIZUSHUILUXITONGDECHENGYANENGLI。

2.3ZHANGWOYONGHUYUREQINGKUANG

RUGUOXITONGZHONGZHIYOUYUREYANQI,YUREXINGXIUHUALIXISHOUSHILENG(RE)SHUIJIZUXUANYONGYANQIXING;RUGUOXITONGZHONGYOUYUREYANQIHEFADONGJIGANGTAOSHUIHUOQITAYURERESHUI,YUREXINGXIUHUALIXISHOUSHILENG(RE)SHUIJIZUXUANYONGYANQIRESHUIXING;RUGUOXITONGZHONGYOUYUREZHENGQIHEFADONGJIGANGTAOSHUIHUOQITAYURERESHUI,YUREXINGXIUHUALIXISHOUSHILENG(RE)SHUIJIZUXUANYONGZHENGQIRESHUIXING。LINGWAI,YEKEYIDANDULIYONGYUREZHENGQI、FADONGJIGANGTAOSHUIHUOQITAYURERESHUI,YUREXINGXIUHUALIXISHOUSHILENG(RE)SHUIJIZUXUANYONGZHENGQIRESHUIXING、RESHUIXINGJIZU。

DUIYOURANLIAODEYONGHU,DANGYUREZHILENG(GONGRE)LIANGBUNENGMANZUEDINGKONGDIAOFUHEXUYAO,XITONGZHONGXUYAOPEIZHIBURANXINGXIULENGJIHUOQITAGONGLENG(RE)FUHEDIAOJIESHEBEI。

2.4 YUFADIANJIDUIJIEFANGSHIDEXUANZE

CHANGJIANDEXITONGGONGYILIUCHENGYOUFADIANJIYUYUREXIUHUALIXISHOUSHILENG(RE)SHUIJIZUDEZHIJIELIANJIEHEJINGGUOYUREGUOLUDEJIANJIELIANJIELIANGZHONGFANGSHI。

JIANJIELIANJIEDEXITONGGONGYIMINGXIANJIAOZHIJIELIANJIEFUZA,DANSHIZHEIZHONGGONGYICHUXIANJIAOZAO,YUREGUOLU、ZHENGQI/RESHUIZHIRANJIDENGSHEBEIZHIZAOJISHUCHENGSHU,ZAIGUONEIWAIYOUDALIANGCHENGSHUANLI。ZHEIZHONGGONGYIYOUQISHIYONGYUYOUYIDINGZHENGQIHERESHUIXUQIUDECHANGHE,KEYITONGGUODIAOJIECONGYUREGUOLUCHULAIDEJINRUZHIRANJIDEZHENGQILIANG,FANGBIANDEDIAOJIEFUHEFENPEI。

ZHIJIELIYONGYUREDEYANQIXINGHUOYANQIRESHUIXINGYUREXISHOUSHILENGRESHUIJIZUSHEBEIZHIZAOJISHUSUIRANZAIZHENGQIHERESHUIGONGYINGFANGMIANMEIYOUCHUANTONGJIANJIELIANJIEFANGSHILINGHUO,DANSHIYEJUYOUGONGYIJIANDAN、ZHANDISHAODETUCHUYOUSHI,ERQIEYOUYUJIANSHAOLEHUANREHUANJIE,CAIYONGZHIJIELIANJIEXITONGDEREXIAOLVGENGGAO。CIWAI,ZHIJIEDUIJIEGONGYIYOUMEITAIFADIANJIZUGEZIDUIYINGYITAIYUREXIUHUALIXISHOUSHILENG(RE)SHUIJIHELIANGTAIFADIANJIZUGONGTONGDUIJIEYITAIYUREKONGDIAOJIZUDEBUTONGXINGSHI。YIBANLAISHUO,DANGFADIANJIZUDANJIRONGLIANGJIAOXIAOSHI,KEYIKAOLVLIANGTAIFADIANJIZUDUIJIEYITAIYUREXIUHUALIXISHOUSHILENG(RE)SHUIJIDEXINGSHI,DANCISHIYINGZHUYIJIEJUEHAOFADIANJIZUZHIJIANYANQIGUANLUDEHUXIANGYINGXIANGWENTI。RUFADIANJIZURONGLIANGJIAODA(RUCHAOGUO 800kW),YINGJINLIANGCAIYONGFADIANJIZUGEZIDUIJIEYITAIYUREXIUHUALIXISHOUSHILENG(RE)SHUIJIDELIANJIEFANGSHI。

ZAIXUANZEDUIJIEFANGSHISHI,YAOCHONGFENKAOLVJUTIDEYURELIYONGGONGYIHEJIANZHUDELENG、RE、SHENGHUORESHUIFUHEXUQIUDENGYINSU,TONGSHIGENJUXIANGMUDETEDIAN,ZUIZHONGQUEDINGXUANYONGNAZHONGFANGSHI。

2.5 JIZUSHIFOUXUYAOPEIZHIBURANZHUANGZHI

DANGXITONGZHONGZHIYOUYITAIYUREXINGXIUHUALIXISHOUSHILENG(RE)SHUIJIZU,MEIYOUQITAGONGLENG(RE)FUHEDIAOJIESHEBEIDEQINGKUANGXIA,SHIYIYUPEIZHIBURANXINGXIUHUALIXISHOUSHILENG(RE)SHUIJIZU。

RUOXITONGZHONGYOUDUOTAIYUREXINGXIULENGJI,BUYIPEIZHIBURANXINGXIUHUALIXISHOUSHILENG(RE)SHUIJIZU,YINGDULIPEIZHIQITAGONGLENG(RE)FUHEDIAOJIESHEBEI。

3SHEJISHIYINGZHUYIDEWENTI

3.1JIFANGTIAOJIAN

JIFANGMIANJI、GAODU、JICHUXINGSHI、JIZUBAIFANGWEIZHIDENG,JUEDINGJIZUWAIXINGCHICUNHEGEGUANLUXITONG(LENGSHUI、LENGQUESHUI、YANQIHERANQI)FANGXIANG。

3.2PAIYANBEIYA

FADIANJIZUTEBIESHIRANQILUNJIFADIANJIZUDUIPAIYANBEIYAYOUJIAOYANGEDEYAOQIU,PAIYANBEIYAGUODA,RONGYIZAOCHENGFADIANJIZUPAIYANBUCHANG。YINCI,ZAIXUANPEIYUREXINGXIUHUALIXISHOUSHILENG(RE)SHUIJIZUSHI,BIXUXUANYONGYANQIFASHENGQIZULIHESHIDEJIZU。DUIYUYUNXUPAIYANBEIYAJIAODIDE,XUZAIYUREXINGJIZUDEPAIYANGUANSHANGSHEZHIYINFENGJI,YONGYUKEFUYANQIFASHENGQIDEZULI。

3.3PAIYANWENDU

GENJUBUTONGYONGHUHUOYONGHUDANGDIHUANBAOBUMENDUIJIZUPAIYANWENDUDEYAOQIUBUTONG,YUREXINGXIUHUALIXISHOUSHILENG(RE)SHUIJIZUDEPEIZHIYEBUXIANGTONG。DUIYAOQIUPAIYANWENDUZAI120℃SHENZHIGENGDIDEJIZU,KEYIZAIYANQIFASHENGQIHOUBUJIEYIGEYANQIRESHUIHUANREQI,JIAREFADONGJIGANGTAOSHUIHUOSHENGHUORESHUILAIJINYIBUJIANGDIPAIYANWENDU,LAIMANZUYAOQIU。

YUREXIUHUALIXISHOUSHILENG(RE)SHUIJIZUYOUYULIYONGYUREZHILENGHUOGONGRE,TIGAOLENENGYUANDELIYONGXIAOLV,ERQIEZAIYONGDIANGAOFENGQIJIANGDILEKONGDIAOYONGDIANLIANG,QIDAOLEXUEFENGTIANGUDEZUOYONG,YINCI,ZAISHIJISHENGCHANZHONGYINGYONGYEYUELAIYUEDUO。