I. Imigaqo yokukhethaIivalvu zebhabhathane
1. Ukukhetha uhlobo lwesakhiwo
Ivalvu yebhabhathane esembindini (uhlobo lomgca osembindini):Isiqu sevalvu kunye nediski yebhabhathane zilingana kakuhle phakathi, zinesakhiwo esilula kwaye zibiza kancinci. Ukuvalwa kuxhomekeke kwitywina ethambileyo yerabha. Ifanelekile kwiimeko ezinobushushu obuqhelekileyo kunye noxinzelelo kwaye akukho mfuneko ingqongqo.
Ivalvu yebhabhathane enye engaqhelekanga:Isiqu sevalvu sibekwe ecaleni embindini wediski yebhabhathane, nto leyo enciphisa ukungqubana phakathi kweendawo zokutywina ngexesha lokusebenza kwaye yandisa ubomi benkonzo. Ilungele ukusetyenziswa koxinzelelo oluphakathi noluphantsi olufuna ukuvulwa nokuvalwa rhoqo.
Ivalvu yebhabhathane engaqhelekanga kabini (ivavu yebhabhathane esebenza kakhulu):Isiqu sevalvu sibekwe ecaleni kwidiski yebhabhathane kunye nendawo yokutywina, nto leyo evumela ukusebenza ngaphandle kokungqubana. Ngokwesiqhelo inesitywina sesinyithi okanye esidityanisiweyo. Ilungele ukusetyenziswa kwimidiya yobushushu obuphezulu, uxinzelelo oluphezulu, ukubola, okanye iinxalenye.
Ivalvu yebhabhathane enemilo emithathu:Ukudibanisa ubungqangi obuphindwe kabini kunye nesibini sokutywina esijijekileyo, kufezekisa ukungqubana okungekhoyo kunye nokuvuza okungekhoyo, kunye nokumelana nobushushu obuphezulu kunye noxinzelelo oluphezulu. Ilungele iimeko zokusebenza ezinzima (umz., umphunga, ioyile/igesi, imidiya yobushushu obuphezulu).
2. Ukukhetha imo yeDrive
Incwadi yesandla:kwiidayamitha ezincinci (DN≤200), uxinzelelo oluphantsi, okanye iimeko zokusebenza ezingaqhelekanga.
Ukuqhuba igiya leempethu:Ifanelekile kwiindlela eziphakathi ukuya kwezinkulu zokusetyenziswa ezifuna ukusebenza ngokulula okanye ulawulo lokuhamba kwamanzi.
Umoya/Umbane:Ulawulo olukude, iinkqubo zokwenza izinto ngokuzenzekelayo, okanye iimfuno zokuvala ngokukhawuleza (umz., iinkqubo ze-alamu yomlilo, ukuvalwa kwemeko engxamisekileyo).
3. Izinto zokutywina kunye nezinto
Itywina elithambileyo (irabha, i-PTFE, njl.njl.): itywina elungileyo, kodwa iqondo lobushushu kunye nokumelana noxinzelelo kuncinci (ngesiqhelo ≤120°C, PN≤1.6MPa). Ifanelekile emanzini, emoyeni nakwimithombo yomoya ebuthathaka yokugqwala.
Izitywino zesinyithi (intsimbi engagqwaliyo, i-carbide eqinisiweyo): Ukumelana nobushushu obuphezulu (ukuya kuthi ga kwi-600°C), uxinzelelo oluphezulu, kunye nokumelana nokuguguleka kunye nokubola, kodwa ukusebenza kokutywina kuphantsi kancinci kunezitywino ezithambileyo. Ifanelekile kwimidiya yobushushu obuphezulu kwi-metallurgy, kwizityalo zamandla, nakwiikhemikhali zepetroli.
Izinto zomzimba: Isinyithi esibunjiweyo, intsimbi yekhabhoni, intsimbi engatyiwayo, intsimbi ye-alloy, okanye iplastiki/irabha engaphakathi kuxhomekeke ekubeni ingakanani na into enokubola.
4. Uluhlu loxinzelelo kunye nobushushu:
Iivalvu zebhabhathane ezitywiniweyo ezithambileyo zihlala zisetyenziselwa i-PN10~PN16, kunye namaqondo obushushu angama-≤120°C. Iivalvu zebhabhathane ezitywiniweyo zesinyithi ezithathu zinokufikelela ngaphezulu kwe-PN100, kunye namaqondo obushushu angama-≥600°C.
5. Iimpawu zeTrafikhi
Xa kufuneka ulawulo lokuhamba kwamanzi, khetha ivalvu yebhabhathane eneempawu zokuhamba kwamanzi ezithe nkqo okanye ezilinganayo (umz., idiski enomfanekiso we-V).
6. Indawo yokufakela kunye nesikhokelo sokuhamba komoya:Ivalvu yebhabhathane inesakhiwo esincinci, nto leyo eyenza ukuba ifaneleke kwiipayipi ezinesithuba esincinci. Ngokubanzi, akukho mida yendlela yokuhamba, kodwa kwiivalvu zebhabhathane ezinee-eccentric ezintathu, indlela yokuhamba kufuneka ichazwe.
II. Amaxesha Afanelekileyo
1. Iinkqubo zoLondolozo lwaManzi kunye noNikezelo lwaManzi kunye nokuSuswa kweMisele: Unikezelo lwamanzi ezidolophini, imibhobho yokukhusela umlilo, kunye nonyango lwelindle: ngokuqhelekileyo kusetyenziswa iivalvu zebhabhathane ezivaliweyo ezithambileyo, ezingabizi kakhulu kwaye zinokuvalwa okuthembekileyo. Kwiindawo zokukhupha iipompo kunye nolawulo lokuhamba kwamanzi: khetha izixhobo zebhabhathane ezilawula iimbumbulu okanye iivalvu zebhabhathane zokulawula umbane.
2. Imibhobho yePetrochemical neyegesi yendalo: Iivalvu zebhabhathane ezitywiniweyo ngesinyithi ezintathu zikhethwa ukuze zikwazi ukumelana noxinzelelo oluphezulu kunye nokuthintela ukuvuza. Imithombo yokubola (umz., ii-asidi/ii-alkali): Iivalvu zebhabhathane ezine-fluorine okanye iivalvu ze-alloy ezinganyangekiyo kukubola ziyasetyenziswa.
3. Kwishishini lombane, iinkqubo zamanzi ezijikelezayo, kunye nokususwa kwe-flue gas desulfurization: iivalvu zebhabhathane ezifakwe ngerabha ephakathi okanye ephindwe kabini. Kwimibhobho yomphunga (umz., iinkqubo zezixhobo ezincedisayo kwizityalo zamandla): iivalvu zebhabhathane ezintathu ezitywiniweyo zesinyithi.
4. Iinkqubo zokujikeleza amanzi abandayo nashushu ze-HVAC (Heating, Ventilation, and Air Conditioning): iivalvu zebhabhathane ezitywiniweyo ezithambileyo zokulawula ukuhamba okanye ukucima.
5. Kwimibhobho yobunjineli baselwandle kunye namanzi olwandle: iivalvu zebhabhathane zentsimbi engagqwaliyo ezimbini ezingamelani nokugqwala okanye iivalvu zebhabhathane ezinerabha.
6. Iivalvu zebhabhathane ezikumgangatho wokutya kunye nezonyango (intsimbi engagqwaliyo ekhazimlisiweyo, izixhobo eziqhagamshelweyo ngokukhawuleza) ziyahlangabezana neemfuno ezicocekileyo.
7. Uthuli kunye ne-particle media kwiimeko ezikhethekileyo zokusebenza: Iivalvu zebhabhathane eziqinileyo nezinganyangekiyo ziyacetyiswa (umz., xa kuthuthwa umgubo wemigodi).
Inkqubo yokufunxa umoya: I-vacuum ekhethekileyoivalvu yebhabhathaneiqinisekisa ukusebenza kokutywina.
III. Isiphelo
I-TWSayiloqabane elithembekileyo kuphela lomgangatho ophezuluiivalvu zebhabhathanekodwa ikwaqhayisa ngobuchule obukhulu bobuchwephesha kunye nezisombululo eziqinisekisiweyo kwiiivalvu zesango, iivalvu zokujongakunyeiivalvu zokukhupha umoyaNokuba zithini na iimfuno zakho zolawulo lolwelo, sinikezela ngenkxaso yobungcali, yevalvu enye. Ukuba unemibuzo okanye unemibuzo yobuchwephesha, nceda unxibelelane nathi nangaliphi na ixesha.
Ixesha leposi: Disemba-17-2025
