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压榨机,餐厨垃圾处理设备,脱水机厂家

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餐厨垃圾压榨后厌氧处理工艺介绍

发布时间:2022-01-22人气:144

随着人口数量的不断增长和人们生活质量的不断改善,餐厨垃圾排放量随之增加。截止2015年,我国餐厨垃圾产量达0.9亿吨左右,且不断保持增长趋势,餐厨垃圾已经占到城市固体废物的55%左右[1]。解决餐厨垃圾的处置问题是一项重要而紧迫的任务,也是解决日益严重的垃圾包围城市困境的重要手段之一。

1、餐厨垃圾的特征与危害

CANCHULAJIZHUYAOLAIYUANYUJUMINSHENGHUO、SHIPINJIAGONG、YINSHIFUWU、DANWEIGONGCANDENG。QIZHUYAOZUCHENGBAOKUO:DIANFEN、TANGLEI、DANBAIZHI、XIANWEISU、YOUZHIJIWUJIYANDENG,CHUCIZHIWAI,HAIHANYOUYIDINGLIANGDEWEILIANGYUANSU,RUJIA、GAI、MEI、TIEYIJILINDENG[2]。

餐厨垃圾的主要特征是:

(1)YIFUXING。YOUYUCANCHULAJIZHONGYOUJIWUHANLIANGJIAOGAO,SHIQIZAIZHONGWENHUOGAOWENTIAOJIANXIA,YIYUFULAN,CHANSHENGECHOUQIWEI,WEIHAIHUANJINGJIRENTIJIANKANG;

(2)YINGYANGYUANSUFENGFU。CANCHULAJIZHONGCHULEYOUJIWUHANLIANGGAOWAI,HAIFUHANJIA、GAI、LIN、DANDENGWEILIANGYUANSU,ZAILIYONGQIANLIJIAODA;

(3)HANSHUILVJIAOGAO。CANCHULAJIZHONGHANSHUILVAG足彩 80-90%,BULIYUSHOUJI、YUNSHUDENG,QIESHENLVYENONGDUJIAOGAO,YIDANFASHENGXIELU,KETONGGUODIBIAOJINGLIUHESHENTOUDENGFANGSHI,WURANDIBIAOSHUIHEDIXIASHUI;

(4)CUNZAIYOUDU、ZHIBINGJUNHEBINGYUANWEISHENGWUDENG。SUIYIDUIFANGDENGBUQIADANGDECHULI,YIDAOZHIBINGYUANJUNCHUANBOHEGANRAN,CONGERWEIXIEJUMINSHENXINJIANKANG。

餐厨垃圾的危害较大,主要为:

(1)CANCHULAJIYOUJIWUHANLIANGGAO,RONGYIFUBAIBIANZHI,CHANSHENGECHOU,WURANDAQIHUANJING;(2)CANCHULAJIZHONGXIEYOUBINGYUANJUN,SUIYIDUIFANGRONGYIZISHENGWENYING,CHUANBOBINGJUN;(3)CANCHULAJIHANSHUILVJIAOGAO,YUNSHUGUOCHENGZHONGHUIFASHENGDILOUXIANXIANG,WURANSHIZHENGHUANJING,CHANSHENGDESHENLVYEHUIYANZHONGWURANDIBIAOHEDIXIASHUI;(4)CANCHULAJISHULIANGJUDA,JICHENGSHILAJICHULIDAILAINANDU,DADATIGAOCHULICHENGBEN。

CANCHULAJIZAOCHENGDEWURANYIJINGDUIHUANJINGHERENMENDERICHANGSHENGHUOGOUCHENGZHONGDAWEIHAI,TONGSHIYESHI“DIGOUYOU”,“GANJIAOZHU”DENGDEZHUYAOYOUYIN。

2、餐厨垃圾处理处置现状

CANCHULAJIMUQIANYISHICHENGSHIHUANJINGWURANDEZHUYAOLAIYUANZHIYI,QIDUIJUMINDERICHANGSHENGHUOHESHENTIJIANKANGCHANSHENGJIAODADEFUMIANYINGXIANG。CANCHULAJICHANGYONGDECHULICHUZHIFANGFA,RUWEIYANGCHUQIN、WEISHENGTIANMAI、FENSHAO、YONGZUOFEILIAO、HAOYANGDUIFEIDENG。JINGUANZHEIXIEFANGFADEJIANXIAOKUAI,DANRENGCUNZAIZIYUANLIYONGLVJIAODIDENGQUEXIAN。

RUONENGJIANGCANCHULAJIZHONGFENGFUDESHENGWUZHIJINYIBUZIYUANHUALIYONG,QIBUJINYOULIYUBAOHUHUANJING,YEZENGJIALERENLEIDUIKEZAISHENGZIYUANDELIYONGCHENGDU,CHONGFENTIXIANLEKECHIXUFAZHAN、XUNHUANJINGJIDEFAZHANFANGXIANG。YINCI,XUNZHAOGENGQINGJIELVSE、GAOXIAOXUNHUANDECANCHULAJICHULIFANGFA,YICHENGWEIDANGQIANGEGUOBUDUANTANXUNHEKAIFADEZHONGYAOMUBIAO。

2.1YONGZUOJIAQINWEIYANG

       ZHIJIEWEIYANGDONGWU,YINCUNFANGQIJIANKENENGFASHENGDEBINGDU、ZHIBINGJUN、BINGYUANWEISHENGWU,JIANGHUIZAOCHENGJIBINGDECHUANBO、JIAOCHAGANRANDENGYINHUAN,QIEWUFAJIEJUETONGYUANXINGWENTI,RONGYIYINQISHENGCHUBINGBIAN,JINRUSHIWULIANHOU,YINGXIANGRENLEIJIANKANG。

2.2卫生填埋

YINCANCHULAJIBENSHENHANSHUILIANGGAO、YIFULAN,ZHIJIETIANMAIHUICHANSHENGYIXILIEWENTI,RUZISHENGWENYING、CHANSHENGDEJIAWANDENGWENSHIQITIWUZUZHIPAIFANG、CHANSHENGHUIFAXINGQITIXINGCHENGCIBIYOUHAIQIWEI、GAONONGDUDESHENLVYEWURANHELIU、DIXIASHUIDENGYINGXIANGSHUIHUANJINGDENG。

2.3焚烧法

FENSHAOFASHIZHIJIANGLAJIFANGZHIZAIMIBIFENSHAOLUNEI,ZAIGAOWENTIAOJIANXIA,JIANGLAJIZHONGDEYOUJIWUCHEDIFENJIE,CONGERDADAOJIANLIANGHUADEMUDE。CANCHULAJIHANSHUILVAG足彩 80%,QIETUOSHUIKUNNAN,TONGSHICANCHULAJIDEREZHIJIAODI,RANSHAOSHIXUEWAITIANJIAFUZHURANLIAO,ZENGJIAFENSHAOCHULICHENGBEN;CIWAI,ZAIFENSHAOGUOCHENGZHONGHUICHANSHENGSO2、NOx、ERWUYING、FUNANDENGYOUHAIQITI,ZAOCHENGERCIWURAN。YINCI,CAIYONGFENSHAOFACHULICANCHULAJICUNZAITOUZIDA,ERCIWURANDENGWENTI,NANYIGUANGFANYINGYONG。

2.4 用作肥料

GUONEIWAIYOUZHIJIEJIANGCANCHULAJIZUOWEIFEILIAOSHIYONGDE,YIBANDOUSHIJIANGFAJIAOHOUDECANZHAZUOWEIFEILIAO,JINGGUOWEISHENGWUFENJIEHOUDECANCHULAJIYONGYUZHIWULIYONG,ZAIGUOWAIYIJINGDEDAOYIDINGDETUIGUANG。DANTONGCHANGCANCHULAJIZHONGYANFENJIAOGAO,ZHICHENGDEYOUJIFEIRONGYIDAOZHIDETUDIYANJIANHUA,LINGWAIYECUNZAIFEIXIAOBUWENDING,JINGJIXIAOYIBUGAODENGQINGKUANG。

2.5 好氧堆肥

ZAIYOUYANGTIAOJIANXIA,LIYONGHAOYANGJUNDUIFEIWUZHONGDEYOUJIZHIJINXINGYANGHUAHEFENJIEDESHENGMINGDAIXIEHUODONG,SHIYIZHONGJIANGCHUANTONGHAOYANGDUIFEIJISHUYUWAIJIASHENGWUJUNZHONGQIANGHUAZUOYONGJIEHEQILAIDEDUIFEIJISHU。HAOYANGDUIFEICHULIJISHUCHENGSHU、ANQUAN、CHENGBENDI,*ZHONGKEZHUANHUAWEIYOUJIFUHEFEILIAOHUOTURANGGAILIANGJI,YINGYONGQIANJINGGUANGFAN。DANGAIFAZHANDIMIANJIDAQIEZHOUQIZHANG,YICHANSHENGCHOUQIHEWUSHUIDUIHUANJINGZAOCHENGWURAN,BUSHIHEDAGUIMOYINGYONG。

3、餐厨处理压榨后厌氧处理技术

ZHEIZHONGYANYANGXIAOHUAJISHUZAICANCHULAJI/CHUYULAJICHULICHANGYOUDUONIANDESHIYONGYANZHENG,XITONGWENDINGXINGGAO,KEKAOXINGQIANG。QIZHUYAOYOUSHIZAIYU:

(1)JISHUGONGYICHENGSHU,XITONGWENDINGXINGGAO:DUONIANZHUANZHUCANCHU/CHUYULAJISHISHIJIBANGANSHIYANYANGFAJIAOJISHUSUOJIANZAODESHIYUZUOCANCHU/CHUYULAJICHANGZHIJINJUNWENDINGYUNXING;

(2)JUYOUZIZHUYANFANENGLIHEDULIZHISHICHANQUANHEXINJISHU

(3)GAIGONGYIYUCHULIDANYUANWUXUFUZADEFENJIANGONGYI,YOUQISHIYONGYUZAZHIHANLIANGGAODEYOUJILAJI,YOUJIZHISUNSHIXIAO;

(4)YUCHULIDANYUANBUXUTIANJIAWAIJIEGONGYISHUI,JIANSHAOLEHOUDUANDEZHAOYECHULICHENGBEN;

(5)GAIGONGYIKEYITONGSHICHULICANCHULAJIYIJICHUYULAJIHUNHEWU,JIANGDILEJIANCHANGCHENGBEN;

(6)YUNYINGNENGHAODI,BAOZHENGLESUOJIANCHANGDEJINGJIXING。

3.1 工艺技术流程

GONGYILIUCHENGCAIYONG:YUCHULI+ZHONGWEN/GAOWENYANYANGFAJIAO+ZHAOQINENGYUANHUA。GAIGONGYIYUCHULIDANYUANXIETONGCHULICANCHULAJIHECHUYULAJI,TONGSHIZAIHOUXUYANYANGXIAOHUAGUOCHENGZHONGXIETONGFAJIAOCHANSHENGZHAOQI,ZHAOQIKEFADIANHUOZHEZHICHENGYASUOTIANRANQI,FAJIAOSHENGYUHOUDEZHAOYEKEZHICHENGYETAIYOUJIFEIHUOJINRUWUSHUICHULICHANGCHULI,ZHAOZHAKEYONGYUYUANLINLVHUA。

CANCHULAJIJICHUYULAJITONGGUOYUNSHUCHELIANGYUNZHICANCHULAJICHULICHANG,JINGDIBANGCHENGZHONGBINGJILU,JIANLITAIZHANG。CHENGZHONGHOUDECANCHULAJIJICHUYULAJIYOUCHELIANGYUNZHIYUCHULICHEJIANNEIDEXIELIAOKOU,SUIHOUWULIAOBEIDAORUWULIAOJIESHOUCHINEI。CANCHULAJICHULIXIANDESHOULIAOCHICAIYONGBUXIUGANGCAILIAOJIANZAO,TONGGUODIBUXIANGSHANGQINGXIESHIDANLUOXUANSHUSONGJITUISONGWULIAOZHICANCHULAJIFENSUIJI。

CHUYULAJICHULIXIANDESHOULIAOCHIDIZHUANGYOUBANSHISHUSONGJI,JIANGWULIAOSHUSONGZHIGUNTONGSHAIQIANDUANSHUSONGDAISHANG,GUNTONGSHAIJUYOUPODAIGONGNENG,SHAIFENCHULAIDEZAZHIKEYUNZHITIANMAICHANGJINXINGTIANMAI,SHAIXIAWUZETONGGUOPIDAISHUSONGZHICIXUANJI,ZAICIFENJIANCHUQIZHONGDEJINSHUWUZHIBINGJIAYILIYONG,QITAWULIAOZESHUSONGZHICHUYULAJIFENSUIJI。

CANCHULAJIBEISHUSONGZHIFENSUIJIHOUJINXINGFENSUIZUOYE,FENSUIJIJUYOUPODAIGONGNENG,JIANGCANCHULAJI(BAOKUOSHITOU、GUTOU、BEIQIAO、CANJUYIJISULIAODAIDENGZAZHI)POSUICHENGFUHEYAOQIUDELIJINGDAXIAO,FENSUIDEWULIAOTONGGUOZHONGLIZUOYONGLUORUCANCHULAJIFENSUIJIXIAFANGDEWULIAOHUANCHONGCHI。

CHUYULAJIZETONGGUOCHUYULAJICHULIXIANSHUSONGZHICHUYULAJIFENSUIJIJINXINGFENSUIZUOYE,FENSUIHOUDEWULIAOTONGGUOZHONGLIZUOYONGLUORUXIAFANGZHIJIANGJI,ZHIJIANGJINEIJIEYOUYANYANGXIAOHUADANYUANDEHUILIUZHAOYE,KEJIANGWULIAOXISHIBINGZHICHENGYOUJIJIANGZHUANGWU,SHIGUXIANGBUFENDEYOUJIZHICHONGFENRONGRUYEXIANG。CHULIZHIHOUDEJIANGZHUANGWUTONGGUOZHONGLIZUOYONGLUORUXIAFANGWULIAOHUANCHONGCHI。

餐厨垃圾压榨后厌氧处理工艺介绍
图1工艺流程图

粉碎后的餐厨垃圾与制浆后的厨余垃圾被同时存储在物料缓冲池内,形成有机浆液混合物,通过输送泵送至生物压榨机进行*轮粗压榨。有机浆液混合物进入生物压榨机后,能高效的实现有机浆液混合物中有机可发酵部分与杂质的分离,进行固液分离。

YICIYAZHAHOUDEYOUJIJIANGYEKEZHIJIETONGGUOZHUSAIBENGSONGZHIXIAOHUACHIJINXINGYANYANGFANYING。TONGSHI,WEILENENGTIQUYOUJIZHI,KEJIANGYICIYAZHAHOUDEGUTIZAZHIJIAREHOUZAIJINXINGERCIYAZHA,JIANGERCIYAZHAHOUFENLICHULAIDEYEXIANGBENGSONGZHIYANYANGXIAOHUACHIJINXINGYANYANGFANYING,SHENGYUDEGUTIZAZHIKEZHIJIESONGZHICHANGWAIFENSHAOHUOTIANMAICHULI。

JINGYUCHULIHOUDEYOUJIJIANGYEJINRUYANYANGXIAOHUACHIJINXINGYANYANGFAJIAO。YANYANGXIAOHUAXITONGPEIBEI24XIAOSHIBUJIANDUANYUNZHUANDEDIBUGUASHAQI,JIANGXIAOHUACHINEIDECHENSHAGUARUPAISHAKONG,ZAITONGGUOSHABENGJIANGCHENSHASONGZHISHASHUIFENLIQIJINXINGGUYEFENLI,FENLICHUDEYETIHUILIUZHIXIAOHUACHIJIXUFAJIAOCHANZHAO,GUXIANGZHIJIEYUNCHUCHANGWAICHULI。

TONGSHI,GAIXITONGHAIPEIBEILE24XIAOSHIBUJIANDUANYUNZHUANDEFUZHAPAICHUZHUANGZHI,YOUMANSUJIAOBANJIDUICHINEIDEJIANGYEJINXINGJIAOBANBINGWEIFUZHAPAICHUZHUANGZHISONGLIAO,FUZHAJINGFUZHAPAICHUZHUANGZHISHOUJIBINGSONGRUFUZHAGUOLVJI,FENLICHUDEYETIYIBUFENHUILIUZHICHUYULAJIYUCHULIXIANDUIWULIAOJINXINGXISHIZHIJIANG,LINGYIBUFENYETIKESONGZHITUOSHUIJIFANGJINXINGCHULIHUOHUILIUZHIXIAOHUACHIJIXUFAJIAO,FUZHAJINGFENLIHOUZHUANGRUMIBIRONGQI。

YANYANGXIAOHUACHITONGSHIPEIBEIZIDONGHUAJIANCEXITONG,QUANTIANHOUJIANKONGYANYANGSHENGWUFANYING。YANYANGFANYINGCHANSHENGDEZHAOQI,JINGGUOSHOUJI、CHUCUN、JINGHUAHOUJINRUZHAOQIFADIANJIJINXINGFADIAN,ZHAOQIFADIANJICHANSHENGDEYIBUFENDIANNENGKEMANZUCHANGQUZIYONG,LINGYIBUFENKEYONGYUFADIANSHANGWANG。ZHAOQIFADIANJIZAIFADIANDETONGSHICHANSHENGDALIANGDEYURE,GAIBUFENYUREKEYIMANZUCHULICHANGSHENGCHANYUNXINGZHONGDEQUANBUGONGREXUQIU。

3.2 厌氧工艺物料衡算

YANYANGGONGYIWULIAOHENGSUANRUTUSUOSHI,CANCHU/CHUYULAJIGONGJI600t,JINGGUOYUCHULIHOUKEDEDAOZAZHI176.4t、JINSHU2t、YOUZHI6t,JINGGUOYUCHULIHOUDECANCHU/CHUYULAJIJINRUYANYANGXIAOHUAGUAN,KEDEZHAOQI62t、ZHAOYE352t、FUZHA83.6t。JINGJISUAN,MEIDUNCANCHU/CHUYULAJIKECHANZHAOQI87.83LIFANG,YETAIFEI0.59t,LAJIZIYUANHUADEXIAOLVHENGAO。

餐厨垃圾压榨后厌氧处理工艺介绍
图2工艺物料衡算图

结语

BENWENJIESHAOLEYIZHONGCANCHULAJIHECHUYULAJICHULIGONGYI,BINGYUDUIBILEQITAGEZHONGGONGYIYOULIEZHICHUHESHIYONGDEDIFANG,*HOUGENJUWULIAOHENGSUANXIANGXITANTAOLECANCHULAJIHECHUYULAJIDETONGYICHUZHIDEZIYUANHUA、WUHAIHUA、JIANLIANGHUADECUOSHIHEFANGFA,WEIWOGUOCHENGSHICANCHULAJIHECHUYULAJIDEYOUXIAOCHULICHUZHITIGONGLEXINDEFANGFAHESILU。



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