Intshayelelo
Iimitha zokuhamba kwe-electromagneticzibalulekileizixhobo zomculoukulinganisa ukuhamba kolwelo oluqhubayo kwizicelo ezininzi zoshishino. Umgca wemitha yokuhamba kombane usebenza imisebenzi emininzi ebalulekileyo. Usebenza njengomqobo phakathi kwee-electrode kunye nolwelo, ukhusela ii-electrode ekungcoleni kwaye uqinisekise umlinganiselo ochanekileyo. Ukongeza, ukhusela udonga lwangaphakathi lomzimba wemitha yokuhamba kombane kwimiphumo enokukhukulisa okanye yokubola kolwelo. Iindidi ezahlukeneyo ze-lining zenzelwe ukuhlangabezana neemfuno ezahlukeneyo zolwelo ezahlukeneyo kunye neemeko zokusebenza.
Izinto zokuhombisa eziqhelekileyo
1. Iingubo zerabha
- Irabha yendalo
- Irabha yendalo yindlela yokwenza ulwelo olunexabiso eliphantsi nelingabizi kakhulu. Inokuguquguquka okuhle, okuyivumela ukuba imelane noxinzelelo oluthile loomatshini ngexesha lokufakwa nokusebenza. Ifanelekile ukulinganisa ulwelo olunamaqondo obushushu aphantsi, adla ngokufikelela kwi-60 - 80°C. Irabha yendalo ikwamelana nezisombululo ezininzi zamanzi eziqhelekileyo, nto leyo eyenza ukuba ibe lukhetho oludumileyo lokusetyenziswa kumashishini okucoca amanzi namanzi amdaka. Umzekelo, kwisityalo sokucoca amanzi amdaka sikamasipala, iimitha zokuhamba ze-electromagnetic ezinerabha yendalo zingasetyenziselwa ukulinganisa ukuhamba kwamanzi amdaka angavuthwanga, apho ulwelo lunokuba nezinto eziqinileyo ezixhonyiweyo kunye neendidi ezahlukeneyo zeekhemikhali kumaqondo obushushu aphakathi.
- Irabha yeNeoprene
- Irabha yeNeoprene inika ukumelana okuphuculweyo kweekhemikhali xa kuthelekiswa nerabha yendalo. Ingamelana nokusebenza kweeoyile, amafutha, kunye neekhemikhali ezininzi. Iimitha zokuhamba ze-electromagnetic ezine-Neoprene zihlala zisetyenziswa kwizicelo zoshishino apho ulwelo lunokudibana nezinto ezinjalo. Umzekelo, kwishishini lokuvelisa iimoto, xa kulinganiswa ukuhamba kolwelo olupholileyo olunokuba nee-anti-freeze agents kunye nezinye izongezo, i-neoprene lining inika ukhuseleko oluthembekileyo. Uluhlu lobushushu lweemitha ezine-neoprene ludla ngokuba phezulu kancinci kunolo lwerabha yendalo, ukuya kuthi ga kwi-80 - 100°C.
- Irabha yeButyl
- Irabha ye-butyl ayinakungenwa kakuhle ziigesi kunye nomphunga wamanzi. Iyakwazi ukumelana kakhulu nohlaselo lweekhemikhali, ingakumbi kwii-asidi kunye nee-alkali. Oku kuyenza ifaneleke ukusetyenziswa apho ulwelo lunobuthi kakhulu. Kwishishini leekhemikhali, xa kulinganiswa ukuhamba kwezisombululo ze-asidi enamandla okanye i-alkali, iimitha zokuhamba ze-electromagnetic ezine-butyl rubber ezifakwe kwi-butyl rubber ziyindlela ekhethwayo. Zingasebenza kumaqondo obushushu aqala kwi--40°C ukuya kwi-120°C, zibonelela ngefestile ebanzi yobushushu bokusebenza kwiinkqubo ezahlukeneyo zoshishino.
2. Iingubo zeplastiki
- I-Polyvinyl Chloride (PVC)
- I-PVC yinto esetyenziswa kakhulu kwiplastiki. Ayibizi kakhulu kwaye inika ukumelana okuhle kweekhemikhali kwiikhemikhali ezininzi eziqhelekileyo. Iimitha zokuhamba ze-electromagnetic ezine-PVC zifanelekile ukusetyenziswa kwishishini lokutya neziselo, njengoko i-PVC ingenabungozi kwaye ihambelana nemigangatho yococeko efanelekileyo. Umzekelo, kwisityalo sokwenza ijusi yeziqhamo, iimitha zokuhamba ze-PVC ezine-PVC zingasetyenziselwa ukulinganisa ukuhamba kwejusi ngexesha lenkqubo yemveliso. Nangona kunjalo, i-PVC inomlinganiselo wobushushu olinganiselweyo, odla ngokufikelela kwi-60 - 70°C.
- I-Polyethylene (PE)
- I-PE, ingakumbi i-polyethylene enoxinano oluphezulu (i-HDPE), yaziwa ngokuqina kwayo kunye nokumelana neekhemikhali. Iimitha zokuhamba ze-electromagnetic ezine-HDPE zihlala zisetyenziswa kwiindawo apho ulwelo lunokuba namasuntswana arhabaxa. Kwishishini lezemigodi, xa kulinganiswa ukuhamba kodaka (umxube wamanzi kunye namasuntswana aqinileyo), ulwelo lwe-HDPE lunokumelana nokukrweleka okubangelwa ngamasuntswana aqinileyo. Iimitha ezine-PE zinokusebenza kumaqondo obushushu afikelela kwi-80 - 90°C, kuxhomekeke kudidi oluthile lwe-polyethylene.
- I-Polytetrafluoroethylene (PTFE)
- I-PTFE yiplastiki esebenza kakuhle kakhulu enokumelana okubalaseleyo kweekhemikhali. Iyakwazi ukumelana phantse nazo zonke iikhemikhali, kuquka ii-asidi ezinamandla, ii-alkali, kunye nezinyibilikisi zendalo. Iimitha zokuhamba ze-electromagnetic ezifakwe kwi-PTFE zisetyenziswa kwiindawo ezirhabaxa kakhulu, njengakwishishini lamayeza xa kulinganiswa izisombululo zeekhemikhali ezisabela kakhulu. I-PTFE ikwanayo ne-coefficient ephantsi kakhulu yokungqubana, enceda ekunciphiseni ukunamathela kolwelo kwi-lining, ukuqinisekisa ukulinganiswa okuchanekileyo kokuhamba. Uluhlu lobushushu lweemitha ezifakwe kwi-PTFE lubanzi kakhulu, ukusuka kwi-200°C ukuya kwi-260°C, nto leyo eyenza ukuba ifaneleke kwiintlobo ngeentlobo zezicelo ezinobuthathaka kubushushu.
3. Iingubo zobumba
- Iiseramikhi zeAlumina
- Iiceramics ze-Alumina ziqinile kakhulu kwaye ziyaguga. Zilungele ukusetyenziswa apho ulwelo luneziqwenga ezirhabaxa kakhulu. Umzekelo, kwishishini lesamente, xa kulinganiswa ukuhamba kodaka lwesamente, oluneziqwenga zesamente ezirhabaxa, iimitha zokuhamba kwe-electromagnetic ze-alumina ceramic zinokubonelela ngenkonzo ethembekileyo yexesha elide. Iiceramics ze-Alumina nazo zinokumelana okuhle kweekhemikhali, ngakumbi kwii-asidi kunye nee-alkalis kumaqondo obushushu aphezulu. Zinokumelana namaqondo obushushu ukuya kuthi ga kwi-1000°C, nto leyo eyenza ukuba zifaneleke kwiinkqubo zoshishino ezinobushushu obuphezulu.
- Iiseramikhi zeZirconia
- Iiceramics zeZirconia zibonelela ngeempawu ezintle kakhulu zoomatshini kunye nozinzo lweekhemikhali. Ziyakwazi ukumelana noxinzelelo lobushushu xa kuthelekiswa nezinye izinto zeceramic. Iimitha zokuhamba ze-electromagnetic ezifakwe kwiZirconia zisetyenziswa kwiindawo apho ulwelo lunokuba notshintsho olukhawulezileyo lobushushu. Kwishishini lokuvelisa iglasi, xa kulinganiswa ukuhamba kolwelo olunxulumene neglasi enyibilikisiweyo, i-zirconia ceramic lining inokusingatha imeko-bume yobushushu obuphezulu kunye nobushushu obuphezulu, kunye noxinzelelo lobushushu olunokubakho ngexesha lenkqubo.
Izinto ekufuneka ziqwalaselwe xa ukhetha
Xa ukhetha uhlobo lwe-lining yeimitha yokuhamba kwe-electromagnetic, kufuneka kuqwalaselwe izinto ezininzi. Uhlobo lolwelo, kuquka ukwakheka kwamakhemikhali alo, ubushushu, uxinzelelo, kunye nokuba khona kwamasuntswana arhabaxa, kubalulekile. Kulwelo olurhabaxa kakhulu, izinto ezifana ne-PTFE okanye iiseramikhi ezithile zinokufuneka. Kwizicelo ezinee-abrasive fluids, ii-linings ezingagugiyo ezifana nerabha (kwiimeko ezingarhabaxa kangako) okanye iiseramikhi ziyathandwa. Ubushushu kunye nemida yoxinzelelo lwezinto ze-lining kufuneka ihambelane neemeko zokusebenza kwe-flow meter. Ukongeza, ukusebenza kakuhle kweendleko kunye nokuhambelana nenkqubo iyonke, kubandakanya ii-electrodes kunye nomzimba we-meter, kufuneka kuthathelwe ingqalelo.
Ukuqukumbela, ukhetho lohlobo olufanelekileyo lwe-liningimitha yokuhamba kwe-electromagneticsisigqibo esibalulekileyo esichaphazela ngokuthe ngqo ukusebenza, ukuqina, kunye nokuchaneka komlinganiselo wokuhamba kwamanzi kwizicelo ezahlukeneyo zoshishino. Ngokuqwalasela ngononophelo iimpawu zolwelo kunye neemeko zokusebenza, izinto ezifanelekileyo kakhulu zelineni zinokukhethwa ukuqinisekisa ukusebenza okuthembekileyo nokusebenzayo kwemitha yokuhamba kwamanzi kagesi.
Ixesha lokuthumela: Matshi-03-2025