Amapayipi amakhemikhali nama-valve ayingxenye ebalulekile yokukhiqizwa kwamakhemikhali futhi ayisixhumanisi phakathi kwezinhlobo ezahlukene zemishini yamakhemikhali.Asebenza kanjani ama-valve ama-5 avame kakhulu kumapayipi amakhemikhali?Inhloso eyinhloko?Ayini amapayipi amakhemikhali namavalvu okufakwayo?(izinhlobo ezingu-11 zamapayipi + 4 izinhlobo zokufakwa + 11 amavalvu) amapayipi amakhemikhali lezi zinto, ukubamba ngokugcwele!
Amapayipi nama-valve okufakwa embonini yamakhemikhali
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Izinhlobo eziyi-11 zamapayipi amakhemikhali
Izinhlobo zamapayipi amakhemikhali ngezinto ezibonakalayo: amapayipi ensimbi namapayipi angewona awensimbi
MethiPipe
Ipayipi lensimbi, ipayipi lensimbi elithungelwe, ipayipi lensimbi elingenamthungo, ipayipi lethusi, ipayipi le-aluminium, ipayipi lomthofu.
①Ipayipi lensimbi:
Ipayipi lensimbi yokusansimbi ingenye yamapayipi asetshenziswa kakhulu epayipini lamakhemikhali.
Ngenxa yokuqina kokuxhumeka okuphukayo nokungenamandla, ifaneleka kuphela ukudlulisa imidiya enengcindezi ephansi, futhi ayilungele ukudlulisa izinga lokushisa eliphezulu kanye nomusi wokucindezela okuphezulu nezinto ezinobuthi, neziqhumane.Ivamise ukusetshenziswa emapayipini okuhambisa amanzi angaphansi komhlaba, amapayipi egesi namapayipi okuthuthwa kwendle.Ukucaciswa kwepayipi lensimbi ku-Ф ububanzi bangaphakathi × ukujiya kodonga (mm).
② ipayipi lensimbi elithungelwe:
Ipayipi lensimbi elithungelwe ngokuvumelana nokusetshenziswa kwezindawo zokucindezela kwamanzi avamile nepayipi legesi (ingcindezi engu-0.1 ~ 1.0MPa) nepayipi elijiyile (ingcindezi engu-1.0 ~ 0.5MPa).
Ngokuvamile zisetshenziselwa ukuthutha amanzi, igesi, ukushisa isitimu, umoya ocindezelweyo, uwoyela kanye nolunye uketshezi lwengcindezi.Okukhandisiwe kubizwa ngokuthi ipayipi lensimbi elimhlophe noma ipayipi likathayela.Lawo angafakwa uthayela abizwa ngokuthi amapayipi ensimbi amnyama.Ukucaciswa kwayo kuvezwe ngobubanzi obujwayelekile.Ubuncane be-diameter obungu-6mm, ubukhulu bobubanzi obungu-150mm.
③ Ipayipi lensimbi elingenamthungo:
Ipayipi lensimbi engenamthungo inenzuzo yekhwalithi efanayo namandla aphezulu.
Impahla yayo ine-carbon steel, insimbi yekhwalithi ephezulu, insimbi ye-alloy ephansi, insimbi engagqwali, insimbi engangeni ekushiseni.Ngenxa yezindlela ezahlukene zokukhiqiza, ihlukaniswe yaba izinhlobo ezimbili zamapayipi ensimbi angenamthungo ashisayo adonswa ngokubanda kanye nepayipi lensimbi elingenamthungo elidonswa ngokubanda.Ipayipi lobunjiniyela bepayipi ububanzi obungaphezu kuka-57mm, ipayipi eligoqiwe elivame ukusetshenziswa elishisayo, elingu-57mm ngezansi elivame ukusetshenziswa elidonsa ngamakhaza.
Ipayipi lensimbi engenamthungo livame ukusetshenziselwa ukuthutha izinhlobonhlobo zamagesi anomfutho, umhwamuko noketshezi, lingamelana namazinga okushisa aphakeme (cishe ama-435 ℃).Ipayipi lensimbi ye-alloy lisetshenziselwa ukuthutha imidiya ebolayo, lapho ipayipi lengxubevange elingashisi likwazi ukumelana nezinga lokushisa elifinyelela ku-900-950 ℃.Ukucaciswa kwepayipi lensimbi engenamthungo ku-Ф ububanzi bangaphakathi × ukujiya kodonga (mm).
Ubukhulu bobukhulu obungaphandle bepayipi elidonswa ngokubanda bungama-200mm, kanti ububanzi obuphezulu bangaphandle bepayipi eligoqwe elishisayo bungama-630mm. Ipayipi lensimbi elingenamthungo lihlukaniswe libe ipayipi elivamile elingenamthungo kanye nepayipi elikhethekile elingenamthungo ngokuvumelana nokusetshenziswa kwalo, njengepayipi elingenamthungo lokuqhekeka kwe-petroleum. , ipayipi elingenamthungo le-boiler, ipayipi elingenamthungo likamanyolo nokunye.
④Ithubhu yethusi:
Ishubhu yethusi inomphumela omuhle wokudlulisa ukushisa.
Ikakhulukazi isetshenziswa emshinini wokushintshanisa ukushisa kanye namapayipi edivayisi okupholisa ajulile, ishubhu lokulinganisa ingcindezi yezinsimbi noma ukudluliselwa koketshezi olucindezelwe, kodwa izinga lokushisa lingaphezu kuka-250 ℃, akufanele lisetshenziswe ngaphansi kwengcindezi.Ngenxa ebiza kakhulu, ngokuvamile esetshenziswa ezindaweni ezibalulekile.
⑤ Ishubhu ye-Aluminium:
I-Aluminium inokumelana nokugqwala okuhle.
Amashubhu e-aluminium avame ukusetshenziselwa ukuthutha i-sulfuric acid egxilile, i-acetic acid, i-hydrogen sulfide ne-carbon dioxide kanye neminye imithombo yezindaba, futhi ivame ukusetshenziswa ekushintsheni ukushisa.Amashubhu e-aluminium awakwazi ukumelana ne-alkali futhi awakwazi ukusetshenziselwa ukuthutha izixazululo ze-alkaline nezixazululo eziqukethe ama-ion e-chloride.
Ngenxa yamandla emishini yeshubhu ye-aluminium nokukhuphuka kwezinga lokushisa kanye nokuncipha okukhulu kokusetshenziswa kwamashubhu e-aluminium, ngakho-ke ukusetshenziswa kwamashubhu e-aluminium akukwazi ukudlula ama-200 ℃, ngepayipi lokucindezela, ukusetshenziswa kwezinga lokushisa kuzoba ngaphansi ngisho nangaphezulu.I-Aluminium inezakhiwo ezingcono zemishini emazingeni okushisa aphansi, ngakho-ke amashubhu e-aluminium ne-aluminium alloy asetshenziswa kakhulu kumishini yokuhlukanisa umoya.
(6) Ipayipi lomthofu:
Ipayipi lomthofu livame ukusetshenziswa njengepayipi lokudlulisa imidiya ene-acidic, lingathuthwa u-0.5% kuya ku-15% we-sulfuric acid, i-carbon dioxide, u-60% we-hydrofluoric acid kanye ne-acetic acid engaphansi kuka-80% we-medium, akufanele ihanjiswe. ku-nitric acid, i-hypochlorous acid neminye imidiya.Izinga lokushisa eliphezulu lokusebenza kwepayipi lomthofu ngu-200 ℃.
Amashubhu angewona awensimbi
Ipayipi lepulasitiki, ipayipi lepulasitiki, ipayipi lengilazi, ipayipi le-ceramic, ipayipi likasimende.
①Ipayipi lepulasitiki:
Izinzuzo zamapayipi epulasitiki ziwukumelana nokugqwala okuhle, isisindo esilula, ukubumba okulula, ukucubungula okulula.
Okubi amandla aphansi kanye nokumelana nokushisa okungekuhle.
Njengamanje amapayipi epulasitiki asetshenziswa kakhulu ipayipi le-polyvinyl chloride eliqinile, ipayipi le-polyvinyl chloride elithambile, ipayipi le-polyethylene, ipayipi le-polypropylene, kanye nepayipi lensimbi lokufafaza i-polyethylene, i-polytrifluoroethylene nokunye.
② ipayipi lerabha:
Ipayipi lerabha linokumelana nokugqwala okuhle, isisindo esincane, ipulasitiki enhle, ukufakwa, ukuqaqa, kuyavumelana nezimo futhi kulula.
Ipayipi lerabha elisetshenziswa kakhulu ngokuvamile lenziwa ngerabha yemvelo noma irabha yokwenziwa, ilungele izikhathi ezinezidingo eziphansi zokucindezela.
③ Ishubhu yengilazi:
Ishubhu yengilazi inezinzuzo zokumelana nokugqwala, obala, ukuhlanzeka kalula, ukumelana okuphansi, intengo ephansi, njll., ububi buphuka, hhayi ingcindezi.
Ngokuvamile isetshenziswa ezindaweni zokuhlola noma zokuhlola.
④ ishubhu le-ceramic:
I-Chemical Ceramics nengilazi kuyafana, ukumelana nokugqwala okuhle, ngaphezu kwe-hydrofluoric acid, i-fluorosilicic acid kanye ne-alkali eqinile, ingamelana nokugxila okuhlukahlukene kwe-inorganic acid, i-organic acid kanye nezinyibilikisi eziphilayo.
Ngenxa yamandla aphansi, ama-brittle, ngokuvamile asetshenziselwa ukukhipha indle yemidiya eyonakalisayo namapayipi okungenisa umoya.
⑤ Ipayipi likasimende:
Ikakhulukazi esetshenziselwa izidingo ingcindezi, thatha phezu uphawu akuyona izikhathi eziphakeme, ezifana indle ngaphansi komhlaba, ipayipi amanzi nokunye.
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4 Izinhlobo Zokufaka
Ngaphezu kwepayipi epayipini, ukuze kuhlangatshezwane nezidingo zokukhiqizwa kwenqubo nokufakwa nokugcinwa, kunezinye izingxenye eziningi epayipini, njengamashubhu amafushane, izindololwane, ama-tee, ama-reducers, ama-flange, ama-blind nokunye.
Ngokuvamile lezi zingxenye sizibiza ngezisekeli zamapayipi ezibizwa ngokuthi izifakelo.Ukufakwa kwamapayipi kuyizingxenye ezibalulekile zepayipi.Nasi isingeniso esifushane sokufakwa okuningana okuvame ukusetshenziswa.
① Indololwane
Indololwane isetshenziswa ngokuyinhloko ukushintsha isiqondiso ipayipi, ngokusho indololwane ukugoba degree of ngezigaba ezahlukene, ezivamile 90 °, 45 °, 180 °, 360 ° indololwane.180 °, 360 ° indololwane, eyaziwa nangokuthi “U” ukugoba.
Kukhona futhi inqubo yamapayipi idinga i-engeli ethile yendololwane.Izindololwane zingasetshenziswa ukugoba ipayipi eliqondile noma ukushisela amapayipi futhi atholakale, angasetshenziswa futhi ngemva kokubunjwa nokushiselwa, noma ukubunjwa nokubunjwa nezinye izindlela, njengasepayipini elinomfutho ophezulu indololwane ngokuvamile iyinsimbi yezinga eliphezulu ye-carbon steel noma i-alloy steel forging. futhi ube.
②Tee
Uma amapayipi amabili exhunywe elinye kwelinye noma edinga ukuba ne-bypass shunt, ukulingana endaweni kubizwa ngokuthi i-tee.
Ngokusho kwama-engeli ahlukene okufinyelela epayipini, kukhona ukufinyelela okuqondile ku-tee yokuxhumana okuhle, i-diagonal connection tee.I-slanting tee ngokusho kwe-engeli ye-slanting ukusetha igama, njenge-45 ° slanting tee nokunye.
Ngaphezu kwalokho, ngokuya ngobukhulu be-caliber ye-inlet kanye ne-outlet ngokulandelanayo, njenge-diameter tee elinganayo.Ngaphezu kokufakwa okuvamile kwe-tee, kodwa futhi ngokuvamile ngenani lezixhumanisi ezibizwa ngokuthi, isibonelo, ezine, ezinhlanu, i-diagonal uxhumano tee.Ukufakwa kwe-tee evamile, ngaphezu kwe-welding yamapayipi, kukhona ukubunjwa kweqembu elibunjiwe, ukubunjwa nokubunjwa.
③Ingono nesinciphisi
Lapho ukuhlanganiswa kwamapayipi ekushoda kwengxenye encane, noma ngenxa yokunakekelwa kudinga epayipini ukusetha ingxenye encane yepayipi ekhiphekayo, ngokuvamile kusetshenziswa i-Nipple.
Ukuthathwa kwengono ngezixhumi (ezifana ne-flange, isikulufu, njll.), noma kube yishubhu elifushane, elibuye laziwe njenge-gasket yepayipi.
Kuzoba amapayipi amabili angalingani ububanzi bomlomo exhunywe izixhumi ipayipi ngokuthi reducer.Ngokuvamile kuthiwa usayizi wekhanda.Izinto ezinjalo zokufakwa zine-casting reducer, kodwa futhi nepayipi elisikiwe futhi elishiselwe noma elishiselwe ngepuleti lensimbi eligoqelwa kulo.Izinciphisi kumapayipi anengcindezi ephezulu zenziwe ngokufogetha noma zinciphe ngamashubhu ensimbi angenamthungo anomfutho ophezulu.
④Amaflangi namakhethini
Ukuze kube lula ukufakwa nokugcinwa, ipayipi ivame ukusetshenziswa ekuxhumekeni okutholakalayo, i-flange iyizingxenye zokuxhuma ezivame ukusetshenziswa.
Ukuze kuhlanzwe futhi kuhlolwe kudinga ukusethwa epayipini lesandla sembobo eyimpumputhe noma ipuleti eliyimpumputhe elifakwe ekugcineni kwepayipi.I-blind plate ingaphinda isetshenziselwe ukuvala okwesikhashana ipayipi le-interface noma ingxenye yepayipi ukuze kuphazamiseke ukuxhumana nesistimu.
Ngokuvamile, ipayipi eliphansi lokucindezela, ukuma kwe-flange eyimpumputhe kanye ne-flange eqinile efanayo, ngakho-ke lokhu okuyimpumputhe okubizwa nangokuthi isembozo se-flange, lesi simpumputhe esine-flange efanayo simisiwe, izilinganiso ezithile zingatholakala ezincwadini ezifanele.
Ukwengeza, kumishini yamakhemikhali nokugcinwa kwamapayipi, ukuze kuqinisekiswe ukuphepha, okuvame ukwenziwa ngepuleti lensimbi elifakwe phakathi kwama-flange amabili amadiski aqinile, asetshenziselwa ukuhlukanisa okwesikhashana imishini noma ipayipi kanye nesistimu yokukhiqiza.Lesi simpumputhe ngokuvamile sibizwa ngokuthi i-insert blind.Faka usayizi oyimpumputhe ungafakwa endaweni yokuvala ye-flange yobubanzi obufanayo.
Isikhathi sokuthumela: Dec-01-2023