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真空泵在各个行业的应用

发布日期:2020-03-28 作者: 点击:

众所周知,由于水环真空泵和水环压缩机具有结构简单、使用维修方便的特点,因而在各行各业得到了广泛的应用。特别是具有等温压缩的特点,极易抽吸、压缩易燃易爆的气体。下面就其发展及设计开发谈几点粗浅的看法。


1 DAXINGHUA


由于煤矿、化工、制药、造纸等行业的发展,对水环真空泵懂球帝的要求越来越向大型化方面发展。在2000年以前,我国能生产抽气量在100m3/min以上的水环真空泵仅3-4个企业,全国年产量也不过几十台。而仅过了三年,到2003年全国能生产100m3/min以上的大泵的厂家达10多家(其中仅淄博地区就有7--8家),据不完全统计,全国的大泵的产量达几百台以上,这些产品主要应用于:


(1)MEIKUANGXINGYE YOUYUGUOJIAJIAQIANGLEDUIMEIKUANGDEANQUANYAOQIU,YINERYONGSHUIHUANZHENKONGBENG,TEBIESHIDAXINGSHUIHUANZHENKONGBENGCHOUCHUWASIQITIYICHENGWEIMEIKUANGXINGYEBIXUDEANQUANYAOQIU,LIRUQUNIANSHANXIMOUKUANGWUJUDINGGOUDEDUOTAICHOUQILIANGDA400m3/minDETEDAXINGSHUIHUANZHENKONGBENGJIUSHIYONGYICHOUCHUWASIQITI,YOUDEYIGEDAXINGMEIKUANGSHIYONG100m3/minYISHANGDEDABENGJIUDA7--8TAI。SUIZHEGUOJIADUIANQUANGONGZUOJINYIBUJIAQIANG,DAXING、TEDAXINGSHUIHUANZHENKONGBENGJIANGZAIMEIKUANGXITONGDEDAOYUELAIYUEGUANGFANDEYINGYONG。


懂球帝CIWAI,YOUYUMEITANCHANLIANGDEFEISUZENGJIA,MEIKUANGDEXI、XUANMEISUOYONGDEZHENKONGGUOLVJIYEXIANGDAXINGHUAFANGMIANFAZHAN,ZAIBASHINIANDAIDADUOPEICHOUQILIANGWEI27m3/minDESZ-4XINGSHUIHUANZHENKONGBENG,ZHEIZAIDANGSHIYESHIJIAODADE。ERJINJINIANMEIKUANGDEGUOLVJIDOUXUANPEICHOUQILIANGWEI80--150m3/minDEDAXINGSHUIHUANZHENKONGBENG,YOUDEDADAO200m3/minYISHANG,ERQIEHAIYOUQILIANGJIXUZENGDADEQUSHI。

真空泵

(2)HUAGONGXINGYE


a)LVJIANXINGYE


JINJINIANLAIWOGUOQIDONGLEXUDUODAXINGDEJIBENJIANSHEHEJISHUGAIZAOXIANGMU,ZHEIXIEXIANGMUDESHITONGDOUXUYAODALIANGDEJULVYIXICAILIAO,TEBIESHIFANGDICHANDEXINGWANG,GENGJIATUIDONGLEJULVYIXIXINGYEDEFAZHAN,JULVJIANXINGYEDETONGJI,WOGUOQUNIANSHENGCHANLE410WANDUNJULVYIXI,JINKOULE200KEDUN。JUGAIXINGYEDEYUCE,2005NIANDEQUANGUOXUQIULIANGJIANGDA800WANDUN,ERDAOLE2010NIANJIANGDADAO1500WANDUN,ZHENGSHIYINWEIXUQIULIANGGAOSUZENGJIA,SHIDEWOGUODELVJIANXINGYEDEQIYEJIAGAIZAOKUOCHAN,BINGQIEJINYI、ERNIANXINSHANGLEXUDUOQIYE。LVJIANQIYEDEFAZHAN,BIXUPEITAOSHUISHANKONGBENGHESHUIHUANYASUOJIjYONGYICHOUCHUHEYASUOYIGUIHEQINGQIDESHUIHUANZHENKONGBENGHESHUIHUANYASUO JIGUOQUZUIDAYEBUGUO30m3/min,ERXIANZAINIANCHAN10WANDUNSHAOJIANHE10WANDUNJULVYIXIDEQIYE,XUYAODESHUIHUANZHENKONGBENGHESHUIHUANYASUOJIDA70m3/minYISHANG。


ZAIZHEILIXUYAOTEBIEJIESHAODESHI,ZHENGSHIYOUYUZHEIGEXINGYEDEFAZHAN,TUIDONGHEJIAKUAILEJIAOGAOILISHUIHUANYASUOJIDEKAIFAHESHENGCHAN。 ZHANGQIYILAI,WOGUODESHUIHUANYASUOJIYIBANSHIDANGXIRUYALIWEI1GEDAQIYAHUOLVEDIYUDAIQIYASHI,PAICHUYALIWEI0.1MPa,JIYASUOBIWEI2,GEBIEQIYESHENGCHANGUOPAICHUYALIDA25MPaGDESHUIHUANYASUOJI,ERQIEJIN1--2GEGUIGE。WEILESHIYINGJULVYIXIDESHENGCHAN,91YUANGUOWUYUANZHONGDAZHUANGBEIBANGONGSHIZAI"BAWU"ZHONGDAJISHUZHUANGBEIGONGGUANXIANGMU--NIANCHAN4DUNDIJUHEDUJULVYIXIZHUANGZHISHEBEIYANZHIZHONGTICHULELVYIXIHUISHOUSHUIHUANYASUOJIDEYANZHIGONGGUANKETI,ZHEIZHONGHUISHOULVYIXIDANTIDESHUIHUANYASUOJIYAOQIUZAIXIRUYALIWEICHANGYAHUOWEIFUYADEQINGKUANGXIA,PAICHUYALIYAODADAO0.55-0.6MPaG,ERQIEPAIQILIANGYAODADAO700m3/min。JINGGUOJINIANDENULI,WOGONGSIYU96NIAN12YUETONGGUOLEYOUYUANGUOJIAJIXIEBUZUZHIDEJISHUJIANDING,KEXIANGJISHUSUDADAOLEGONGGUANYAOQIU。ZAICICHANPINDEJICHUSHANG,WOGONGSIYOUKAIFALEXILIECHANPIN,PAIQILIANGYOU90m3/minDAO2000m。/h。


YOUYUGAISHEBEISHIJULVYIXIXINGYEDEGUANJIANSHEBEIZHIYI,YINERZAIJINJINIANQUANGUODASHANGJULVYIXIXIANGMUDEXINGSHIXIA,ZHEIZHONGSHUIHUANYASUOJIDEDAOLETUIGUANGHEYINGYONG,WANQUANTIDAILEJINKOU。

真空泵

b)HUAFEIXINGYE


化肥行业特别是磷肥的生产也是我国经济宏观调控中重点支持的产业,由于新上项目及老企业的技术改造均以上水平、上规模为主,因而大型、特大型水环真空泵在此也得到了应用,如云南某磷肥企业一次改造就新增抽气量为300m3/min的特大型水环泵3台。 此外,还有许多磷肥企业工艺要求在压力为绝压80--l00hPa时,仍要有较大的抽气能力,因而两级水环真空泵懂球帝及带大气喷射器的两级水环真空泵用在这种工况下,就具有独特的优势,许多化肥企业淘汰了振动噪声大而真空度较高的往复真空泵,用两级水环真空泵替代,并收到了较好的效果,可以说两级水环真空泵在该行业应用将会越来越广泛。


c)ZAOZHIXINGYE


SHANGSHIJIMOHEBENSHIJICHU,WOGUODEGUOZHAITOURUZAOZHIXINGYEZHANYOUJIAODADEBILI,QUANGUOGEDIDEZAOZHICHANGZHENGXIANKONGHOUDIGAIZAOSHANGSHUIPING、SHANGGUIMO,ZHEIDADADILADONGLEDAXINGSHUIHUANZHENKONGBENGDEKAIFASHENGCHAN,DONGBEIMOUZAOZHICHANGYICIGAIZAOCHOUQILIANGWEI400IIl3/minDETEDAXINGSHUIHUANZHENKONGBENG(MUQIANWOGUOSHENGCHANDEZUIDAGUIGEDESHUIHUANZHENKONGBENG)6TAI,ZONGPEIDONGLIWEI400kW。KEYISHUOJINJINIANLAIDECHOUQILIANGZAI100m3/minYISHANGDEDAXINGSHUIHUANZHENKONGBENGDE50%SHIYONGZAIZAOZHIXINGYE,ERQIEZHEIZHONGFAZHANQUSHIYOUZENGWUJIAN。


d)ZHIYAOXINGYE


真空浓缩脱水、干燥、蒸馏是制药企业的主要工艺过程,制药企业的技术改造也同样是上水平、上规模,这在一些大型制药企业更为明显。过去,大多用10m3/min以下的小泵,而现在,在这些企业的项目招标中,抽气量在20m3/min以上的中、大型泵已占多数。此外,制药行业的许多厂过去使用抽气量为6--12m3/min的两级水环真空泵较多,而现在都配20-30m3/min的两级水环真空泵,有的还达到60m3/min,如四川某合资制药厂去年一次招标买抽气量为60m3/min的泵达到10台。 除以上行业外,轻工行业的食品、啤酒企业以及冶金、发电、石化、建材等行业的真空系统懂球帝均向大型方面发展,如山东某铝厂长期使用多台抽气量为85m3/min的水环真空泵,而去年的技改项目设备招标要求的水环真空泵抽气量要达到140m3/min。


2 CHENGTAOXING


YINGDANGSHUO,ZAI2000NIANYIQIANGUONEIDESHUIHUANZHENKONGBENGDESHENGCHANCHANGJIAJIHUQUANSHIYIXIAOSHOUDANBENGWEIZHU,JISHAOYOUYONGHUDINGCHENGTAOSHEBEI,ERJINLIANGNIANLAI,HUAGONG、ZHIYAOXINGYEDEJIGAIXIANGMUSHEBEIZHAOBIAOZHONGCHENGTAOSHEBEIZHANDEBILIYUELAIYUEDA,YIBANSHIYAOQIUPEIFENLIQI、LENGQUEQI(HUANREQI)、BUYEBENG、FAMEN、YIBIAO、GUANJIANYIJIKONGZHIZHUANGZHI,XINGCHENGBISHIXUNHUAN,BINGQIEYAOQIUYUQIYEDEOCSXITONGXIANGLIAN,DUIYEWEI、YALI、LILIANGDENGJINXINGZAIXIANKONGZHI。 DUIZHEIZHONGJIDIANYITIHUACHENGTAOSHEBEIDEYAOQIUZAIXUDUOXINGYEYUELAIYUEPUBIAN。


3 JIAOGAOZHENKONGXIAYAOQIUJIAODADECHOUQILIANG


懂球帝XUDUOHUAGONG、ZHIYAOXINGYEDEZHENKONGZHENGLIU、NONGSUO、TUOSHUI、GANZAOYIJIFADIANCHANGDECHOUCHUWEIQIDOUYAOQIUZAIXIRUYALIWEI3--8kPaZHIJIANYOUJIAODADECHOUQILIANG,DANJISHUIHUANZHENKONGBENGZAIZHEIYIQUJIANCHOUQINENGLIYIXIANGDANGRUO,ERLIANGJISHUIHUANZHENKONGBENGHEDAIYIJIDAQIPENSHEQIDELIANGJISHUIHUANZHENKONGBENGDETEDIANSHIZAIGAIQUJIANYOUJIAODADEXIQILIANG,ZAI2000NIANYIQIANDUIYULIANGJIBENGDEXUQIUDADUOSHI15m3/minYIXIA,ERXIANZAIDA40-50m3/min。CIWAI,HAIYINGDANGZHICHU,DANJISHUIHUANZHENKONGBENGDAIYIJIDAQIPENSHEQISHI,RUGUOSHEJIHELI,ZAIXIRUYALIWEI4--5kPaSHIRENGYOUJIAODADECHOUQILIANG,ZHEIDADAKUODALEDANJISHUIHUANZHENKONGBENGDESHIYONGFANWEI,RUWOGUOMOUFEIJIYANJIUSUOJIUSHIYONGGAILEIBENGDUOTAI。 ZONGSHANGSUOSHU,KEYIKANCHU,SHUIHUANZHENKONGBENGJISHUIHUANYASUOJIZUOWEIJIBENDECUDIZHENKONGHUODESHEBEIZAIGEXINGYEDEDAOLEGUANGFANDEYINGYONG,YEKEYISHUOGUOMINJINGJIGEXINGYEDEXUNSUFAZHANTUIDONGLESHUIHUANZHENKONGBENGHESHUIHUANYASUOJIDEKAIFASHENGCHAN。

真空泵

YINCIWEISHIQIGENGHAODISHIYINGGEXINGYEDEFAZHAN,XIANJIUGAIBENGDEYANZHIKAIFATICHUYIXIAJIDIANCUQIANDEKANFA。


(1)YONGKEXINGXINGSHEJIHEGAOXINGNENGDEMIFENGJIAN,TIGAOZHENGJIDEPINGJUNWUGUZHANGYUNXINGQI(MTBF) SHUIHUANZHENKONGBENGJISHUIHUANYASUOJIDEGONGZUOKEKAOXING,JIPINGJUNWUGUZHANGYUNXINGQI,YINGDANGSHUOYUQITADECUDIZHENKONGHUODESHEBEIXIANGBIHAISHIJIAOGAODE,PINGJUNWUGUZHANGYUNXINGQIKEDA10000XIAOSHIYISHANG。DANSUIZHEGEXINGYEJISHUJINBUGONGZUODEJIAQIANGHEDUIZHENGGEZHENKONGXITONGDEKEKAOXINGYAOQIUDETIGAO,YINERDUIQIKEKAOXINGYAOQIUYEXIANGYINGGENGGAOLE。TEBIESHIZAIHUAGONGHEMEIKUANGCHOUWASIQITIDEZHEIYANGDUIANQUANYAOQIUYANGEDEGONGKUANGXIA,BENGYAOZHANGQICHIXUYUNZHUAN,GUOJIXIANJINSHUIPINGKEDAJIWANXIAOSHIYISHANG。SUOYISHUIHUANZHENKONGBENGHESHUIHUANYASUOJIDESHEJIGONGZUODEKAIFAQINGKUANGHEZHIZAOTIAOJIANDEXIANZHIYIJIMIFENGJIAN(TEBIESHIJIXIEMIFENGJIAN)DEZHILIANGXIANZHUANG,YAOZHENZHENGTIGAOZHENGJIDEKEKAOXINGSHANGXUJINYIBUDUIYISHANGJIFANGMIANDEGONGZUOJINYIBUJIAQIANG。


懂球帝(2)CAIYONGYOUHUASHEJIFANGFA,NULITIGAOBENGDEXIAOLV,JIANGDINENGHAO SHUIHUANZHENKONGBENGHESHUIHUANYASUOJISHIHAONENGGAO,XIAOLVDIDECHANPIN,ZHEISHIGONGRENDESHISHI,XIAOBENGYIBANWEI30-35%,DABENGDA40%HUOLVEGAO,ZHEIYANGDIDEXIAOLVYUGUOJIADUIJIDIANCHANPINDEYAOQIUJIWOGUOMUQIANNENGYUANJINZHANGDEXIANZHUANGSHIJIBUXIANGSHIYINGDE。YINCIYINGJINKUAICAIYONGYOUHUASHEJIFANGFA,DUIYINGXIANGBENGDEXIAOLVZUIGUANJIANDEYELUNDEGEJIHECANSHUJIXIPAIQIKONGDEQISHIWEIZHI、MIANJIDENGJIANLISHUXUEMOXING,JINXINGYOUHUASHEJI,XUANZEGECANSHUDEZUIJIAZUHEFANGAN,BINGCAIYONGQIYELIANGXIANGLIUDEYOUGUANLILUNJIJISUANGONGSHIJINXINGSHEJI,JINLIANGJIANSHAOSHUIHUANDEWOLIUSUNSHI,DADAOTIGAOXIAOLVDEMUDE。SUOYISHUOJINKUAISHEJIKAIFACHENGGONGGAOXIAOJIENENGDESHUIHUANZHENKONGBENGJIYASUOJIYITAOTAIHAONENGGAO、XIAOLVDIDELUOHOUCHANPINSHIBAIZAISHUIHUANZHENKONGBENGDESHEJIKAIFA、SHENGCHANQIYEMIANQIANDEYIXIANGZHONGYAOGONGZUO。


(3)提高带大气喷射器时的工况点的气量。 国外无论单级水环真空泵还是两级水环真空泵配大气喷射器以提高在较低吸入压力下的抽气量的情况还是较多的。从国外技术先进的企业的技术资料上可以看出,单级水环真空泵带一级大气喷射器时,在吸入压力为5kPa点,抽气速率可达该泵不带大气喷射时吸入压力为400hPa点的抽气速率(用户常用的单级水环真空泵的共况点)的65--70%,两级水环真空泵带一级大气喷射器时,在吸入压力为1.5kPa点抽气速率可达该泵不带大气喷射器时吸入压力为8kPa点的抽气速率(两级水环真空泵常用的工况点)的70--75%,这样便大大扩大了水环真空泵的应用范围,即满足了化工、制药、轻工、仪器、冶金、发电等行业要求在吸入压力为1.5--5kPa点大抽气速率的工艺条件。但目前国内一是水环真空泵带大气喷射器的应用不够广泛;二是在1.5--5kPa点的抽气速率较小,与国外先进厂家技术水平有一定差距。为进一步推广应用,应当研究改进大气喷射器的设计与水环真空泵的最佳配比,由于气流在大气喷射器的喷嘴(拉伐尔喷管)与扩压器的渐缩段流动是超音速气流,并且大气与被抽气体两股气流的混合过程中的动量交换较为复杂,无法完全依靠理论计算的方法进行设计,必须进行多次试验,但从扩大水环真空泵的应用及提高其效率的角度出发应当加强试验研究,努力提高其抽气效率。


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