Flow Ulwelo: iimpawu kunye nenkcazelo. Yintoni nkampani ukuthenga Ulwelo Flow Meter?

Amashishini ezisebenza ezahlukeneyo zamashishini, kusetyenziswa izixhobo ukwenziwa ebizwa kwemali. Ayakwazi ukuba yokusebenzisa ultrasound ukuthatha ingqalelo umlinganiselo wamanzi asetyenziswa okanye kwezinye izinto ezimanzi.

Imfuneko yokuba flowmeter

Esi sixhobo efunekayo ukuze ukulinganisa ngokulula isixa eziphelayo kweziyobisi kangangexesha elithile. Amaninzi, abo basebenzisa imibhobho, ukugcina iirekhodi amafutha, ulwelo kunye negesi. Kunika umdla ukuqaphela ukuba izixhobo ezo zisetyenziswa kuphela kushishino, kodwa kubomi bemihla ngemihla, umzekelo, ungabona ukusetyenziswa kwamanzi kweli khaya.

Indlela ukukhetha ifowuni sokunene?

Ukuze pick up ngokuchanekileyo imitha flow elulwelo, kufuneka uqonde ngokucacileyo iimfuno ezingundoqo, nto leyo eza kunikezelwa kuye. Ngoko ke, kubalulekile ukwazi parameters nkqubo kunye nenkqubo yokufaka yayo.

Nalu uluhlu lwe imiba ebalulekileyo kufuneka uqonde uthenga isixhobo onjalo:
1. Yintoni okusingqongileyo (amanzi, umoya, igesi, njalo njalo)?
2. Yintoni efunekayo ukuze umlinganiselo (umyinge iyonke kunye / okanye lwephanyazo flow)?
3. Kwimeko apho loo nto ilulwelo amanzi, yintoni viscosity yena?
4. Ingaba kukho imfuneko ubukho uboniso local / yengingqi, okanye imitha flow engamanzi kuya kufuneka i-elektroniki ovelisa ngokuzenzekelayo uphawu kwisikrini?
5. Yintoni isantya kwelona qondo esihlambo feed?
6. Ingaba kulwelo oko ngaphakathi, ophawulwe iikhemikhali kunye iindawo zangaphakathi, ezizezi iindawo kunayo?
7. Ubungakanani umbhobho oomatshini?
8. ubukhulu kunye noxinzelelo nobuncinane kunye lobushushu eendaba?
9. Ingaba ulwelo xa kulinganiswa, umnatha?

flowmeters abaphucuke

Kulwelo flowmeter cuke isebenzisa ukusebenza kwalo amaza ukuba ngexesha lokubhalisa ukutshintsha uqina of zityalwe kwi imvelo mobile. Kwimeko emthonjeni yoFakelo kunye ngumamkeli cuke lisisiqalo kwi izinga lokuhamba kugwetywa njengoko kutshintshwe isandi lonke ubude.

Ukuze umlinganiselo nesantya sobulali ukusebenzisa ifuthe Doppler, kufuneka ibekwe ngaxeshanye umthombo kunye receiver, kule meko iimpawu zidluliselwa ukuya lokuxhuba.

Kulwelo flowmeter cuke ibhaqa qho ngexesha kwisamkeli kwaye Kuchaza kwangokwaloo lilonke isantya sokuqukuqela kunye lokuqala rate, nangona kunjalo, kuhlala ingatshintshanga. Le ubuninzi umqondiso ukusuka lokuxhuba umahluko output frequency ifunyenwe kwaye isindululo sokuqala. Ukusuka eli xabiso, njengoko unako kugwetywa uqina basekuhlaleni kweziyobisi.

imitha flow ephathekayo

Kwakhona, kukho flowmeter eziphathwayo engamanzi, nto leyo ultrasound. Le izixhobo ezizaliswe ngokupheleleyo izincedisi ezongezelelweyo izincedisi ezivumela ukusombulula iingxaki ezininzi zemilinganiselo nobungakanani fluid nakuwuphi na bume. Kuyanceda ukuba uthathele ingqalelo into yokuba viscosity ka 300 cSt kwi imibhobho kuzaliswa phantse ngokupheleleyo ububanzi of cm 1.2 ukuya 5 kwekhithi Original angaquka .:
- wokubala yekhompyutha ijelo elinye-;
- zokuqhuba ishishini kunye converters zokubhala kweentlobo neenkqubo uzifakelele ezahlukeneyo;
- facilities for umlinganiselo we-thermal amandla kwemali kunye nokumelana ithemomitha;
- abenzi boluvo cuke yokubala Ebubanzini bodonga yombhobho;
- umshicileli emhlabeni kunye nezincedisi angamalungu alo;
- software ukuze IBM PC, elidibana ngokupheleleyo kunye nekhompyutha;
- supply amandla zonke izincedisi efakwe kuyo.

flowmeter magnetic

Kagesi flowmeter ulwelo ilungiselelwe izixhobo ukuqhuba umbane yokulinganisa. Siqulathe ityhubhu yokulinganisa kokuba icandelo channel ngqongqo kwaye ezenziwe ngezinto Heating. Phezu engaphandle wesiphaluka magnetic, elijongeka inductors ezimbini. Kwakhona enyusiweyo electrode ezine - ezimbini ezithe nkqo ezimbini tyaba kuthelekiswa ityhubhu lokulinganisa. electrode nkqo kuyimfuneko ingxelo conductivity yombane kumbhobho. A woluvo ukuba ibala lo mhlaba otsalayo ngaphakathi umbhobho bile, imvelaphi inyuselwa khona kumphezulu wayo. Le zibekwe istili kwi nesakhelo apho Iqinisekile iyunithi elektroniki. It lubonisa zonke iingcingo uze unsolder kubo kwibhodi yesekethe eprintiweyo. uqhagamshelo yangaphandle lisenza ukuba iiclamps, apho zifumaneka kule meko. Ngomhla coil kunye electrode kwezikrini yesinyithi iqhotyoshelweyo, modem umazibuthe, ngoko ke ngokuyimfuneko nisekelwe. Uphawu mechanical lwenziwa ngokusebenzisa ring irabha. Oku kwenza kube lula ukuphumeza le japan zobugcisa, nto leyo ayinakufunyanwa ukuchaneka eliphezulu nozinzo kunye nokusebenza ekhuselekileyo uxinzelelo oluphezulu kunye lobushushu uluhlu.

flowmeters Doppler

Ezo imitha flow zizizwe yokulinganisa engqongileyo iqulathe reflectors isandi, oko kukuthi, egesi okanye izinto ezithile. Ezi zixhobo zifumaneka iintlobo ezintathu ezahlukeneyo. iimitha mkhaya izixhobo zombini non-invasive test, kwaye utsale abenzi yoqheliso izicelo asetyenziswa imibhobho kunye elungileyo ngokwaneleyo odlula ultrasound.

iimpawu Standard kwezi zixhobo:
- nezakhiwo babe latches;
- interface ehlelwe;
- 8-digit LCD counter;
- unit amandla ezineempawu adjustable;
- izindlu nokhuseleko elungileyo;
- pipe ubungakanani ekungabonini ukusuka 0.25 intshi ukuya malunga 6 mm;
- iziphumo double olongezelelweyo;
- ukubetha kwamaza kwaye imveliso relay.

counter mechanical

imitha flow ulwelo sisixhobo ngomatshini, apho akukho zixhobo ze-elektroniki. Zibe zinokubaleka yi bomyinge wamanzi, umzekelo, isantya turbine mechanical xa ukuntywiliselwa eziyingqongileyo. qho kakhulu izixhobo ezo zisetyenziswa kilns, umbane idizili, boilers kunye ezivuthayo.

counter Mechanical - kwimitha ukuba ulwelo viscous, ngoko isetyenziselwa ukwenza ingxelo iimveliso zepetroliyam ecokisiweyo. Bonke oomatshini ugqibelele ukuba sokulinganisa amafutha, leyo enambuzelayo yi womxhuzulane. isixhobo in mqengqeleki ngokupheleleyo iye indibano counter ngomatshini nazo ukwenzeka yombhalo wangoku okhethiweyo okanye output idaleka. Meter ngokwayo yaye zonke iindawo ngokunxulumana itywiniwe ukuze aphephe markups Ufundo bokuhlala kangaka wayethanda abemi belizwe lethu.

iimitha obushushu

flowmeter fluid Thermal e osebenza umbono kakhulu ilula: ukuba ukulinganisa ohlala iimpawu into emanzini, umzekelo, kuya kuba iqondo lobushushu kwaye uqale ukurekhoda zonke utshintsho kwi kwindawo ethile imimandla nefuthe, kunokwenzeka ukuba ukulungisa isantya ehamba avareji nayiphi na into. Kwimeko xa sigaba umile, ngoko ke ubushushu uqala ukuphakama kuphela conductivity thermal kwaye inkqubo yokusebenza kwayo kuthiwa ngokukhawuleza, njengoko zibekwe kufutshane element ubushushu. Nale uhlalutyo lwe data eqokelelwe bonke abenzi boluvo Ungakwazi ukucacisa uqina okukulo nawuphi na umsinga.

flowmeters umsinga

yokuhamba imitha yalo hlobo umntu engundoqo into engamanzi ekwakhiweni kwayo, nto leyo ekujoliswe ungqukuva okanye discoid, ezifakwe intambo ilastiki, inxalenye enye nto leyo fixedly lukhuselekile. Imilanjana igesi okanye uhola ulwelo yokuba ekujoliswe asuswa, nto leyo ebangela ukubana abantu intambo, yaye eqhutywa uhlobo, leyo ziqhotyoshelwe phezu kwalo zibhalwe iqondo kunye nohlobo deformation. Le data afunyenwe ukuvumela ukuba bagwebe isantya zentshukumo into, kwakunye lwayo.

Izinto eziluncedo ezingundoqo boluvo enjalo ukukwazi ukwenza yonke imilinganiselo ngeendlela ezininzi, yaye apho yokusebenza flowmeter esetyenzisiweyo. imitha ulwelo, ukuqinisekisa ekujoliswe efanayo ezininzi macala kuzo zonke iindlela ezifunekayo.

flowmeters iseti yolungiselelo

Amaninzi, ezi mitha kwemali kubandakanya zokutyubhisha, olusetyenziswa nefuthe kokukona ukusuka oscillator lwangaphandle. Ukuba alunanto, sinyikimisa kunokubangela ukukhawulezisa ngaxeshanye zonke iinxalenye zayo. Ukuba ityhubhu ihambisa engamanzi oko kuya kuchaphazela amandla iseti yolungiselelo leyo ngqo ephambana ukuba igalelo kunye neziphumo umlambo, yaye oku kuya kukhokelela shift lamathuba hexe. Le Imposiso Isigaba ixhomekeke ubukhulu becala ubunzima kulwelo kulinganiswa aqukuqela nganye ixesha unit.

Inzuzo ephambili yolu hlobo kwezixhobo yi yokusebenza sabo - zingasetyenziswa yokulinganisa isantya sokuqukuqela uluhlu enkulu ngokwaneleyo kwezinto. Kodwa kukho ethile - kodwa iindleko zabo eziphakamileyo, leyo ukuthenga kumashishini kakhulu enkulu.

Micronics Flowmeters eqinile

Ukunciphisa umlinganiselo wokubanzi yinto ebalulekileyo, leyo ubonakalise songa kwezakhiwo kunye nezibonelelo. Le brand eyaziwa ifumaneke ngokubanzi flowmeters eziphathwayo ulwelo, nto ezo kungeyomfuneko ukuba ngokucofa mome. Portaflow 330 Series inika umlinganiselo oluchanekileyo okukhawulezileyo isixa nentabalala yezinto eziphathekayo ekrwada, kwaye zizakubalulwa lula yayo yolawulo, ngenxa menu ongenantandabuzo kunye nezicwangciso ngexesha lokusebenza. Le nkqubo ngokwawo phezu nomlinganiselo kuthatha imizuzu nje embalwa. Ezi zixhobo compact ngokwaneleyo kwaye zithembekile, kwaye zahluke ngabakwenzayo izinze ngokwaneleyo ukusetyenziswa ixesha elide kwimveliso.

In Micronics iimitha esekelwe ekuthiwa su 'ixesha span ", apho umntu umlinganiselo amaza ultrasound andise onamacala amabini ayikhuphi abenzi boluvo ezikhethekileyo zixhonywe umbhobho. Izinga uphawu edlula ulwelo kumbhobho, mkhulu kwimeko umqondiso ecaleni ahamba kunye nezikhombisi icala ayikho efana kunye Velocity umqondiso cuke kunciphisa.

Siemens flowmeters

I brand zombini zokubhala kunye ovahedi flow ulwelo. Ngaba namhlanje ingqalelo eziphambili woluvo MAG 5100w. It is a isixhobo indawo ezineempawu eqondile kakhulu. Isetyenziswa imilinganiselo nangoko amanzi acocekileyo kunye nenkunkuma. Ngokuba umsebenzi wakhe uya kufuneka unikezele 220 okanye 24 V, kwaye umbhobho ngokupheleleyo-imiphako. Ukuba alunanto, iya kubonisa isixhobo kunye uncedo relay. Le lokuguqulela ngokuqhelekileyo ekhwele phezu woluvo, kodwa ungasebenzisa kwakhona i kwekhithi ngokuzithandela obandayo, equlethe intambo, ungalawuleka kude kumatshini. Ephawulekayo, kunokwenzeka ukuba kutywinwe isixhobo, ukuze kwandiswe ukhuseleko yayo iklasi ukuya ku IP68. Ngenxa yoku zingasetyenziswa ukuntywiliselwa ngokwaneleyo elide okanye izikhukula.

Eyona engundoqo eziluncedo ze Nokia flowmeters

- repeatability High kunye nokuchaneka unika nentembelo epheleleyo ingxelo zonke kwemali.
- izixhobo babe ophezulu ezikumgangatho kunye noyilo kwe robust, ngaphandle iindawo ishukuma. Oku kuthetha ukuba banxibe kwenzeka ngokucothayo kakhulu, ngoko musa kuthatha ixesha elide ngenkonzo.
- Kukho ulawulo yokuzaliswa umbhobho leyo ilumkisa malunga izixhobo tube engenanto, oku kunciphisa amathuba okuba ngokwemilinganiso eziphosakeleyo.
- Backlit ikhiphedi kunye nokubonisa kunceda umsebenzisi ukulawula ngokulula zonke izicwangciso kunye nemilinganiselo.
- akhawunti flow Bi-owenza inikeza umsebenzisi lonke ulwazi malunga intshukumo kwi ezisendleleni.
- technology SENSORPROM ™ iqinisekisa ukufumana ukulanda oluzenzekelayo metrological Ipharamitha device.
- Flow convector ifakwe oyimbumba okanye ukude ukusebenzisa izibiyeli ukuba ziqhotyoshelwe woluvo.

Eyona ngoyena usetyenziswa rhoqo ukulinganisa amdaka okanye amanzi okusela, ngokunjalo ingxelo chillers ulwelo nezitulo uvavanyo.

Cinga iinkampani ezimbini ukuvelisa boluvo, kunokwenziwa isigqibo sokuba ngamnye kubo ifanelwe ukuba zikhona kwi kwimarike yorhwebo, ekubeni Micronics kunye Siemens inxaxheba zokubala ukwenzela iinjongo ezahlukeneyo. Zombini iintlobo zinoxanduva umgangatho ophezulu kunye nobomi elide ngenxa yokuba ngaphezu konyaka inxaxheba kuphuhliso kunye nokuqaliswa iiteknoloji ezintsha kwi shishino.