Zvigadzirwa zvedu zvikuru: Amino silikoni, block silicone, hydrophilic silicone, ese emulsion yavo yesilicone, wetting rubbing fastness improver, mvura inodzinga (Fluorine yemahara, Carbon 6, Carbon 8), demin washing chemicals (ABS, Enzyme, Spandex protector, Manganese remover) , Mainexport nyika: India, Pakistanrk, Bangladesh, Uü etc.
Mukugadzira kemikari, nekuda kwezvikonzero zvakasiyana, guruva netsvina senge mapolymer, coking, oiri neguruva, chiyero, sediment, uye zvinoparadza zvigadzirwa zvinogona kuitika mumidziyo nemapaipi. Izvi zvinokanganisa zvakanyanya kushandiswa kwemidziyo, saka zvakakosha kuchenesa michina yemakemikari.
Kemikari yekuchenesa michina inosanganisira marudzi maviri: kuchenesa pamhepo uye kuchenesa pasina.
Online kuchenesa
Shandisa shongwe inotonhorera mune inotenderera yemvura system sebhokisi rekuisa dosing kuwedzera makemikari kuhurongwa hwekutenderera kwechisikigo.
Zvakanakira: Midziyo haidi kuvharwa uye haikanganisi kugadzirwa uye kushandiswa kwakajairwa.
Zvakaipa: Mhedzisiro yekuchenesa haina kunyatsonaka kana ichienzaniswa nekuchenesa kunze kwenyika. Nguva yakareba yekuchenesa uye njodzi huru dzekuora kumidziyo.
Washing off-line
Zvinoreva nzira yekubvisa zvinhu zvinofanirwa kucheneswa kubva kumidziyo kana mapaipi uye kuendesa kune imwe nzvimbo (inoenderana nenzvimbo yepakutanga yezvikamu) zvekuchenesa.
Offline yekuchenesa inogona kukamurwa kuita yekuchenesa muviri uye kuchenesa makemikari.
Kuchenesa muviri: Shandisa yakanyanya-kumanikidza mvura inoyerera kuchenesa michina. High pressure cleaning equipment inodiwa.
Kemikari yekuchenesa: Bvisa kupisa kunopisa zvakasiyana uye batanidza iyo inopinza uye yekubuda mapaipi emvura inotenderera kumotokari yekuchenesa kuti itenderere. Kemikari yekuchenesa ine zvinotevera maitiro:
Zvakanakira: Yakaderedzwa dosi yemishonga uye yakanaka yekuchenesa maitiro.
Kukanganisa: Midziyo inowirirana inodiwa, senge mota dzekuchenesa kana matangi emvura, mapombi ekumanikidza, akasiyana-siyana ekubatanidza mavharuvhu, welding michina, nezvimwe.
Kune nzira mbiri dzekuchenesa makemikari: acid washing uye alkali washing.
Alkali washing: inonyanya kushandiswa kubvisa organic matter, microorganisms, mafuta mavara uye zvimwe zvakabatanidzwa mukati memidziyo, senge rust inhibitors inoshandiswa panguva yekuisa michina. Kugezeswa kwe alkaline kunogonawo kuita basa mukusunungura, kusunungura, kuisa emulsifying, uye kuparadzira munyu usina kugadzirwa. Zvakajairwa kuchenesa zvinoshandiswa zvinosanganisira sodium hydroxide, sodium carbonate, trisodium phosphate, nezvimwe.
Acid washing: kunyanya kubvisa deposition of inorganic salts, zvakadai carbonates, sulfates, silica scales, etc. Kazhinji kuchenesa mishonga inosanganisira organic acids yakadai sehydrochloric acid, sulfuric acid, uye hydrofluoric acid. Organic acids se citric acid uye amino sulfonic acid.
Sei kuchenesa midziyo yemakemikari?
1.Kudiwa kwekuchenesa usati watyaira
Kemikari kuchenesa usati watyaira kwakakosha kuti uvandudze kugadzirwa kwakanaka uye kudzivirira kukanganisa kwetsvina pakugadzira. Naizvozvo, mudziyo mutsva wemakemikari usati waiswa, unofanirwa kucheneswa usati watanga.
Iyo kemikari yekugadzira maitiro inosanganisira akawanda makemikari mbishi zvinhu uye inoda kushandiswa kwezvinokonzeresa. Izvo zvinodiwa zvekuchena kune zvimwe zvigadzirwa uye zvinokonzeresa zvakanyanyisa kukwirira, saka pane zvakakwirira zvinodikanwa zvekuchena kwemidziyo nemapaipi panguva yekugadzira. Chero tsvina inogona kukonzera catalyst poisoning, side reactions, uye kunyange kukuvadza maitiro ese. Uye zvakare, zvimwe zvishandiso uye zvishongedzo mumudziyo zvine hupamhi hwepamusoro zvinodiwa kana zvine hanya zvakanyanya nezvinoparadza zvinokonzerwa nekusachena. Naizvozvo, chero kupindira kwekusvibiswa kwemechini kunogona kukuvadza kunaka kwezvikamu zvakanyatsonaka uye kukanganisa kugadzirwa kwakajairwa.
2. Kudikanwa kwekuchenesa mushure mekutanga basa
Midziyo yemakemikari, kana ikashandiswa kwenguva yakareba, inogona kugadzira guruva senge mapolymer, coking, mafuta netsvina, chiyero chemvura, sediment, uye zvigadzirwa zvinoparadza, izvo zvinokanganisa zvakanyanya kushanda kwemidziyo yemakemikari. Kucheneswa nenguva kwemidziyo yemakemikari kunogona kuwedzera hupenyu hwayo hwesevhisi, kuvandudza kushanda zvakanaka, kuve nechokwadi chekuchengetedza, uye kuderedza kurasikirwa kwehupfumi.
Saka, mungave usati watyaira kana kuti wapedza kushandisa kwenguva yakati rebei, midziyo inofanira kucheneswa, rinova basa rinokosha rezuva nezuva rekugadzirisa.
Ndeapi maitiro ekuchenesa emidziyo yemakemikari?
Kugadzirira pamberi pekuchenesa midziyo
Usati wacheneswa, zvikamu mumidziyo kana chigadziro chinogona kukanganisa uye kukuvadzwa kubva mukugadzirisa kugadzirisa, zvakadai sekugadzirisa mavharuvhu uye kuyerera kwemamita, zvinofanira kubviswa, uye firiji core (mesh) uye imwe-nzira yevhavha core inofanira kubviswa. Uye matanho akadai sekuwedzera mapombi mapfupi enguva pfupi, pombi dzinopfuura, kana kuti mablita asingaoni anofanira kutorwa kuti ave nechokwadi chokuti hapana kuvuza kana kuti kukuvadzwa kune zvimwe zvikamu panguva yokuchenesa, uye kuparadzanisa midziyo yakacheneswa kubva kune isina kuchena nemapaipi.
Kuchenesa maitiro uye maitiro ekugadzirisa
1. Nzira yekuchenesa
Zvinoenderana nemamiriro chaiwo emidziyo, kunyura kutenderera kuchenesa kana kupfapfaidza kuchenesa kunogona kushandiswa.
Paunenge uchishandisa soaking cycle yekuchenesa, yakaderera point inlet yakakwirira, ammonia yekudzoka kutenderera process inogona kugamuchirwa.
Paunenge uchishandisa kupfapfaidza kuchenesa, maitiro epamusoro pemvura yekupinza uye yakaderera point reflux inogona kutorwa.
2.Maitirwo ekuchenesa uye dhigirii rekuchenesa makemikari kazhinji anosanganisira system yemvura kudzvinyirirwa leak yekuona (water flushing), degreasing, water flushing, acid washing, rinsing, neutralization, passivation, inspection, uye manual treatment.
Izvi zvinotevera zvinopa tsananguro dzega rega rega.
Chinangwa chekudzvinyirirwa kwemvura inodonha yekuona (mvura inoyerera) ndeyekutarisa mamiriro ekuvuza enguva pfupi masisitimu, uye kubvisa huruva, sediment, yakavharirwa simbi oxides, welding slag, uye imwe yakasununguka uye nyore kubviswa tsvina kubva muhurongwa.
Chinangwa chekuchenesa kuchenesa ndechekubvisa tsvina dzemafuta senge mechanical oiri, graphite girisi, mafuta ekuzora, uye ngura oiri kubva muhurongwa kuti ive nechokwadi chekugeza asidhi.
Chinangwa chekugeza mvura mushure mekudonha ndechekubvisa zvakasara alkaline yekuchenesa maajenti kubva muhurongwa uye kubvisa kumwe kusvibiswa kubva pamusoro. Bvisa chinhu.
Chinangwa chekugeza asidhi ndechekubvisa zvinhu zvinonyungudika nemakemikari reaction pakati peasidhi nesimbi oxides.
Chinangwa chekugezesa nemvura mushure mekugezwa kweasidhi ndeyekubvisa zvakasara acid washing solution uye zvimedu zvakasimba zvakadonha kubva muhurongwa hwekusuka uye passivation treatment.
Chinangwa chekusuka ndechekushandisa ammonium citrate kuchelate neasara iron ions muhurongwa uye kubvisa ngura inoyangarara yakaumbwa panguva yekusuka kwemvura, kudzikisa iyo yakazara iron ion concentration muhurongwa uye kuve nechokwadi chinotevera passivation effect.
Chinangwa che neutralization uye passivation process ndeyekubvisa yakasara asidhi mhinduro, nepo passivation iri yekudzivirira iyo simbi yepasi iyo iri in activated state mushure mekugezwa kweasidhi kubva kune re oxidizing uye kugadzira yechipiri inoyangarara ngura.
Kuchenesa mushure mekutanga basa
Kemikari midziyo yave ichishanda kwemakore 1-2 kana kupfuura kazhinji inonamatira kune iron oxide scale kana simbi ine chiyero. Chikero chemhangura chine copper oxide (CuO), basic copper carbonate [Cu2 (OH) 2CO3], uye simbi yemhangura.
Rust scale inogona kazhinji kubviswa nekugezwa kweasidhi. Nzira uye matanho ekushambidza asidhi zvakangofanana nenzira yekuchenesa midziyo isati yatanga basa.
Kana iyo mhangura yemukati muvhu yakakwira, haigone kubviswa nekusuka kweasidhi chete. Izvo zvinodiwa kubvisa chikamu chemhangura nemvura yeammonia musati wageza asidi.
Mhangura nemhangura oxide zviyero zvinowanzoita layered attachments ne iron oxides, iyo inonetsa kuchenesa uye inofanira kucheneswa kusati kwaitwa layered attachments.
Nzira yekuchenesa sei kupisa kupisa?
Kucheneswa kwevanotsinhanisa kupisa kunowanzo kukamurwa kuita mapoka maviri: kuchenesa michina uye kuchenesa kemikari.
Mechanical kuchenesa
Iyo mechanic yekuchenesa nzira inotsamira pakuyerera kwemvura kana mechanical chiito kuti ipe simba rakakura kudarika simba rekunamatira retsvina, zvichiita kuti tsvina ibude kubva panzvimbo yekutsinhanisa kupisa.
Kune mhando mbiri dzemakina ekuchenesa nzira: imwe ndiyo yakasimba yekuchenesa nzira, senge mvura yekupfapfaidza kuchenesa, steam spray cleaning, sandblasting cleaning, scraper kana drill bit descaling, etc; Imwe mhando ndeyekunyorovesa mechanicha yekuchenesa, senge waya bhurashi kuchenesa uye bhora rekuchenesa bhora. Pazasi pane akawanda marudzi enzira:
Kupfapfaidza kucheneswa inzira yekudzikira uchishandisa yakanyanya-kudzvanya mvura yekupfapfaidza kana mechanical kukanganisa. Paunenge uchishandisa nzira iyi, kudzvanywa kwemvura kunowanzo 20 ~ 50MPa. Ikozvino kune zvakare madhiri epamusoro e50-70Mpa ari kushandiswa.
Kupfapfaidza kucheneswa, kwakafanana mukugadzira uye kushanda kupfapfaidza kucheneswa, chishandiso chinopfapfaidza chiutsi muchubhu uye mativi egoko rechitsinhanisa chekupisa kubvisa tsvina kuburikidza nekukanganisa uye kupisa.
Sandblasting yekuchenesa inzira yekushandisa mweya wakadzvanywa (300-350kPa) kuburikidza nepfuti yekupfapfaidza kuburitsa yakasimba linear velocity pajecha requartz rakavharidzirwa (kazhinji rine saizi ye3-5mm), iyo inokwesha madziro emukati wechubhu yekupisa, inobvisa tsvina, uye inodzoreredza maitiro ekutanga ekupisa kupisa kwechubhu.
Scraper kana drill bit descaling, muchina wekuchenesa uyu wakakodzera chete kuchenesa tsvina mukati mepombi kana masilinda. Isai descaling scraper kana drill bit kumusoro kwe flexible rotating shaft, uye shandura scraper kana drill bit nemhepo yakamanikidzwa kana magetsi (uye kushandisa mvura kana steam).
Kucheneswa kwebhora rerabha kunoitwa uchishandisa pfuti inoputika yekuchenesa. Iyo yekupfura blasting cleaner inoumbwa nebhora resiponji uye pfuti yekupfapfaidza mvura inosundira bhora mukati mepombi kuti icheneswe. Bhora racho rakaita sedeko uye rinoburitswa kubva pa semi hard foam polyurethane sponge, inova elastic.
Kemikari kuchenesa
Iyo kemikari yekuchenesa nzira inosanganisira kuwedzera descaling agents, acids, enzymes, nezvimwewo kumvura kuti kuderedze kunamatira pakati petsvina nenzvimbo yekutsinhana kupisa, zvichiita kuti ibvise kubva panzvimbo yekuchinjana kupisa.
Ikozvino nzira dzekuchenesa makemikari dzinoshandiswa ndeidzi:
Kutenderera nzira: Shandisa pombi kumanikidza kuchenesa mhinduro kutenderera kuchenesa.
Kunyudza nzira: Zadza midziyo nekuchenesa mhinduro uye ita kuti imire kweimwe nguva yenguva.
Nzira yekuvhiya: Zadza mudziyo nemushonga wekuchenesa, buritsa chikamu chemushonga wekuchenesa kubva pasi nguva nenguva, wobva wadzoreredza mvura yakaburitswa mumidziyo kuti uwane chinangwa chekumutsa nekuchenesa.
Nzira yekuchenesa sei kettle yekuita?
Pane nzira nhatu huru dzekuchenesa midziyo yemagetsi: kuchenesa michina, kuchenesa kemikari, uye kuchenesa kwemaoko.
Mechanical kuchenesa
Mechanical kucheneswa: Uchishandisa dhizaini yekuchenesa yakakwira, kuyerera kwemvura kwakanyanyisa kunoshandiswa kuyerera nemumuromo, kuputsa chiyero chakaomarara pamadziro emukati memudziyo wekuita uye pamusoro peiyo agitator, kunyatsopenengura nekuibvisa.
Nheyo yekuchenesa-kudzvanya kwejeti yemvura ndeyekumanikidza mvura kune yakanyanya kudzvanywa, wozoisunungura kuburikidza nemuromo wakaiswa parobhoti rekuchenesa rakaiswa muketero. Dzvinyiriro inogona kushandurwa kuita kinetic simba rekuyerera kwemvura, iyo inogona kukanganisa tsvina yemadziro kuti iwane kuchenesa nekubvisa mhedzisiro.
Kemikari kuchenesa
Chekutanga, zvinodikanwa kuziva kuumbwa kwechiyero chechiyero mukati meiyo reactor midziyo, zviri nani kuburikidza nesampling uye kuongorora. Mushure mekuona kuumbwa kwetsvina, ita zviedzo kutanga, sarudza maajenti ekuchenesa, uye simbisa kuburikidza nekuyedza kuti hazvizokonzeresa ngura kumidziyo yesimbi. Zvadaro, mudziyo wenguva pfupi wekutenderera unomisikidzwa panzvimbo yekutenderedza mhinduro yekuchenesa mukati memidziyo uye nekusuka tsvina.
Kutanga, shenesa jira rekusanganisa uye rusvingo rwemukati weketero nehuwandu hwakakodzera hwemvura, uye uibvise zvachose.
Geza mudziyo wekuita nesolvent kuburikidza nemudziyo wakadzvanywa.
Kana iyo yekuchenesa mhedzisiro isina kuwanikwa, wedzera huwandu hwakakodzera hwekunyungudika kune inogadzirisa kettle, kupisa kumusoro, kubvongodza uye reflux kusvikira zvinodiwa zvekuchenesa zvasangana, wobva wasunungura solvent.
Pakupedzisira, shenesa madziro emukati meiyo reaction mudziyo neimwe chiyero che solvent uye woisunungura.
Kupinda nemaoko muketero uye kuchenesa nemaoko
Mutengo wakaderera ndiwo mukana wayo mukuru, asi zvinoda maawa akati wandei ekufema uye kuchinjana kwemhepo usati wapinda mureactor. Munguva yekuchenesa, iyo oksijeni yemukati mukati meiyo reactor inofanira kuongororwa nguva dzose, iyo inokonzera njodzi yekushayikwa kweokisijeni; Panguva imwecheteyo, kukwenya kwemaoko hakungokundikani kuchenesa zvachose, asiwo kunokonzera kutsvedza mamaki pamadziro emukati mejini rekuita, izvo zvinotungamira mukuenderera mberi kwekunamatira kwemasara. Kuchenesa kettle kunogonawo kukonzera nyaya dzehutsanana nechigadzirwa. Kazhinji kutaura, zvinotora inenge hafu yezuva kusvika pazuva kuchenesa kettle.
Imwe neimwe yenzira nhatu idzi ine zvayakanakira nezvayakaipira:
Mechanical kucheneswa hakuparadze midziyo uye inogona kunyatso kuchenesa chiyero chakaoma, asi zvinotora nguva yakareba uye zvinoda kusimba kwekushanda;
Kuchenesa kemikari kunoda basa shoma, kune nguva pfupi yekuchenesa, uye kunyatsochenesa, asi kunogona kukonzera kuti midziyo iparare;
Kupinda nemaoko muketero yekuchenesa kune mutengo wakaderera, asi unotakura huwandu hwengozi uye haugone kucheneswa zvachose.
Nokudaro, kucheneswa kwemakemikari kunoshandiswa mumamiriro ekushanda apo tsvina yakanyorova uye yakaonda, nepo kuchenesa kwemagetsi kunoshandiswa mumamiriro ekushanda apo tsvina yakaoma uye yakaoma.
Nguva yekutumira: Oct-08-2024