Zida zosiyanasiyana zogwiritsira ntchito ma valve ogwiritsira ntchito valavu zosapanga dzimbiri zitsulo zosapanga dzimbiri zotentha zoyambira zitsulo

Zida zosiyanasiyana zogwiritsira ntchito ma valve ogwiritsira ntchito valavu zosapanga dzimbiri zitsulo zosapanga dzimbiri zotentha zoyambira zitsulo

Chimodzi mwa zinthu zofunika kuziganizira pakupanga ma valve ndi kusankha zinthu ndi kutentha kwa valve. Kuonjezeranso kutentha koyenera kwa machitidwe a valve, kuchokera pakugwira ntchito kwachitsulo chokhazikika chomwe chimagwiritsidwa ntchito mumitundu yosiyanasiyana ya zipangizo zomangira valavu, kutentha koyenera kogwira ntchito ndi zofunikira zokhudzana ndi zida za thupi la valve zomwe zimagwiritsidwa ntchito pazida zapakhomo za petrochemical, zomera za mankhwala, feteleza wachilengedwe, uinjiniya wamagetsi amagetsi ndi mafakitale azitsulo ndi madera ena amafotokozedwa pakupanga mawonekedwe, kupanga ndi kuyesa zinthu zama valve Inde. Pepalali makamaka limafotokoza mwatsatanetsatane valavu ya kutentha, valavu yopitilira kutentha kwambiri, valavu yosasinthika ya nickel base alloy corrosion resistant nickel base alloy valves.
Chimodzi mwa zinthu zofunika kuziganizira pakupanga ma valve ndi kusankha zinthu ndi kutentha kwa valve. Kuonjezeranso kutentha koyenera kwa machitidwe a valve, kuchokera pakugwira ntchito kwachitsulo chokhazikika chomwe chimagwiritsidwa ntchito mumitundu yosiyanasiyana ya zipangizo zomangira valavu, kutentha koyenera kogwira ntchito ndi zofunikira zokhudzana ndi zida za thupi la valve zomwe zimagwiritsidwa ntchito pazida zapakhomo za petrochemical, zomera za mankhwala, feteleza wachilengedwe, uinjiniya wamagetsi amagetsi ndi mafakitale azitsulo ndi madera ena amafotokozedwa pakupanga mawonekedwe, kupanga ndi kuyesa zinthu zama valve Inde. Kuonjezera apo, pakuwona kasamalidwe ka khalidwe ndi kasamalidwe ka makampani ndi kugula zinthu, pazitsulo zosiyana siyana ziyenera kusankhidwa ndi ntchito yabwino yokwanira, yosayenera kugwiritsa ntchito zitsanzo zazitsulo zambiri zomwe zili ndi chiwerengero chofanana, kuteteza chisokonezo.
1. Chinthu chachikulu cha valavu ya kutentha (-254 (liquid hydrogen) ~ -101 ℃ (butadiene)) khalidwe liyenera kukhala chitsulo chochepa, alloy material kapena aluminiyamu alloy profile ndi thupi-centric latice mosalekeza. The Ultra-otsika kutentha katundu pambuyo ndondomeko kutentha kutentha, makamaka kopitilira muyeso-otsika kutentha fracture kulimba ayenera kukwaniritsa zofunika muyezo. Zitsulo zotsika za alloy zotsatirazi zitha kugwiritsidwa ntchito kupanga mavavu abwino kwambiri a kutentha. ASTMA351 CF8M, CF3M, CF8 ndi CF3,ASTM A182F316, F316L, F304 ndi F304L,ASTM A433 316, 316L, 304, 304L ndi CF8D. Mafuta ozungulira mbale, valavu imodzi yothamanga, valavu yachipata kapena valavu ya pistoni ya valavu ya kutentha iyenera kukhala cryogenic mankhwala mu nayitrogeni wamadzimadzi (-196 ℃) musanayambe kukonza kwambiri.
2. Valavu yopitilira kutentha kwapamwamba The Cr-Mo yopitirirabe kutentha kwachitsulo valavu nthawi zambiri imagwiritsidwa ntchito posankha WC6, WC9 ndi C5 (ZG1Cr5Mo) mu ASTM A217 specifications, ndipo mbale zogwirizana ndi F11, F22 ndi F5 mu ASTM A182.
(1) Chitsulo chochepa cha chromium chrome-molybdenum chili ndi WC6, WC9, F11 ndi F22, sing'anga yake yogwiritsidwa ntchito ndi madzi, nthunzi ndi gasi wa radon, sizoyenera sulfure zomwe zili ndi mafuta oyengedwa. WC6 ndi F11 ndi oyenera ntchito kutentha kwa -29 ~ 540 ℃, ndi WC9 ndi F22 ndi oyenera ntchito kutentha -29 ~ 570 ℃.
(2) C5 (ZG1Cr5Mo) ndi F5 chromium pentamolybdenum zitsulo zotentha kwambiri, zofalitsa zake zogwiritsira ntchito madzi, nthunzi, gasi la radon ndi sulfure zomwe zili ndi mafuta oyengedwa. C5(ZG1Cr5Mo) ngati ntchito mu nthunzi wa madzi, pazipita ntchito yake kutentha ndi 600 ℃. The pazipita ntchito kutentha ndi 550 ℃ pamene ntchito sing'anga monga sulfure okhutira woyengedwa mafuta. Choncho, kutentha ntchito C5(ZG1Cr5Mo) chofunika kukhala zosakwana 550 ℃.
3, valavu ya nickel yosagwirizana ndi corrosion resistant kutentha kwapamwamba kutentha kwa alloy corrosion resistant nickel base alloy valve ndiye chinsinsi chogwiritsira ntchito ASTM A494 mafotokozedwe a monel alloy.
(1), aloyi wa nickel base (CZ-100), Inconnel aluminium alloy (CY-40), Hastelloy alloy B(N-12MV, N-7M) ndi Hastelloy C(CW-(1) Monel alloy Monel ali ndi mphamvu zambiri ndi ductibility, makamaka kukana kwambiri kuchepetsa asidi ndi amphamvu asidi zinthu ndi nyanja dzimbiri katundu Choncho, amagwiritsidwa ntchito popanga ndi kunyamula asidi hydrochloric, madzi amchere, ndale zinthu, mchere wa alkali ndi oxidizing zidulo ndi zina TV zipangizo ndi mavavu, komanso. oyenera youma ndi manic wa haidrojeni, wa hydrogen kolorayidi mpweya, 425 ℃ mosalekeza kutentha wa hydrogen ndi 450 ℃ mosalekeza kutentha wa hydrogen kolorayidi mpweya ndi zinthu zina, koma kukana zinthu sulfure ndi kuchepetsa zinthu (monga sodium cyanide ndi zinthu okhala ndi mpweya. ) corrosion The general vavu code of Monel alloy ndi MM, ndipo gawo lalikulu ndi Monel alloy valve code ya carbon steel ndi C/M, valavu ya CF8 ndi P/M. kodi CF8M ndi R/M. The oyenera ntchito kutentha kwa Monel M35-1, Monel 400 ndi MonelK500 zotayidwa aloyi zotayidwa ndi -29 ~ 480 ℃.
(2) Cast nickel base alloy Cast nickel alloy (CZ-100) ndi 95%Ni ndi 1100%C, ndipo palibe mbale yopindidwa. CZ-100 imakhala ndi kukana kwa dzimbiri kwabwino kwambiri ikagwiritsidwa ntchito mosalekeza pakutentha kwapamwamba kwambiri komanso popanda madzi ndi zamchere. CZ-100 imagwiritsidwa ntchito makamaka popanga mankhwala a chlor-alkali okhala ndi ndende yayikulu (kuphatikiza kusungunula aluminium kolorayidi popanda madzi ndi anhydrous) komanso m'malo omwe mkuwa ndi chitsulo ndi zinthu zina zowononga zachilengedwe sizipezeka. Ponyani nickel base alloy CZ-100 vavu zakuthupi kodi Ni. CZ-100 zotayidwa aloyi ndi oyenera ntchito kutentha kwa -29 ~ 316 ℃.
(3) Hastelloy Hastelloy ndi dzina lamalonda la Hastelloy, lomwe makamaka limaphatikizapo zosakaniza zingapo, nthawi zambiri Hastelloy B ndi Hastelloy C zomwe zimagwiritsidwa ntchito m'mavavu osagwirizana ndi dzimbiri. Kupanga ma aloyi a Hastelloy B kupita ku N-12MV(N-12M-1) ndi N-7M(zida zina zotchedwa N-12M-2, zomwe zimadziwikanso kuti Chlorimet 2 aluminium alloy) mu ASTM A494 zidakulungidwa ku UNS mu ASTM B335 N10665 . Hastelloy B imagonjetsedwa ndi sulfuric acid yamagulu onse, komanso mchere wosachepetsa ndi ma acid. Valavu yolimbana ndi dzimbiri ya Hastelloy B, kuchokera pakukana kwa dzimbiri komanso kupsinjika kwa kupsinjika kwa corrosion iyenera kusankhidwa kalasi yotsika ya carbon dioxide Hastelloy B(N-7M). Nambala yazinthu za Hastelloy Palibe chofunikira m'munda wa valve. Nambala yamagetsi ya Hastelloy B imatha kufotokozedwa mwachindunji ndi kupanga nambala yolumikizana. Hastelloy B ndi oyenera kugwira ntchito kutentha kwa -29 ℃ ~ 425 ℃.
Muyezo uwu umafotokoza kukula, kapangidwe ka mawonekedwe, luso laukadaulo, njira zoyesera, zowunikira, zoyikapo ndi ziphaso zamtundu wachitsulo chosapanga dzimbiri chotentha. Muyezo uwu umagwira ntchito pa chitsulo chosagwira ndi dzimbiri chamoto chogudubuza pazambiri. GB 222 chitsulo kusanthula kapangidwe ka mankhwala pogwiritsa ntchito zitsanzo ndi njira yomaliza yopangira zolakwika GB 223 chitsulo ndi zitsulo zotayidwa aloyi njira yowunikira njira GB 226 chitsulo chotsika ndi zolephera njira yodziwira asidi GB 228 njira yoyeserera yachitsulo GB 230 zida zachitsulo Rockwell kuuma njira yoyesera Zida zachitsulo za GB 231 Brinell.. .
1. Lingaliro lamutu ndi gawo logwiritsira ntchito
Chitsulo chosapanga dzimbiri chotentha chotentha chokulungidwa chachitsulo, kapangidwe kawonekedwe, miyeso yaukadaulo, njira zoyesera, miyezo yoyendera, ma CD ndi satifiketi yapamwamba ndi zidziwitso zina zoyenera.
Muyezo uwu umagwira ntchito ku chitsulo chosapanga dzimbiri chamoto chogudubuza pazambiri.
2. Miyezo yolozera
GB 222 chitsulo kusanthula kapangidwe kake ndi njira yachitsanzo ndi kapangidwe ka zinthu zomalizidwa zolakwika zovomerezeka
GB 223 Njira zowunikira mankhwala azitsulo ndi zitsulo zotayidwa
GB 226 chitsulo - kutsimikiza kwa otsika - mphamvu kapangidwe ndi zofooka ndi etch asidi
GB 228 Metal tensile test njira
Zida zachitsulo za GB 230 - Njira yoyesera ya Rockwell kuuma
GB 231 Njira zoyesera mphamvu zamphamvu zazitsulo
Njira zoyesera za GB 232 zazinthu zachitsulo
Zofunikira zonse pakuvomerezedwa, kulongedza katundu wakunja, kuyika chizindikiro ndi Sitifiketi Yabwino ya GB 247 mbale zachitsulo wandiweyani ndi unyolo wachitsulo
GB 709 yotentha yachitsulo ndi miyeso yachitsulo, kapangidwe kakunja, kulemera kwaukonde ndi zolakwika zovomerezeka
Chitsulo cha GB 2975 chomangira - sampuli zofunikira pamakina omangika ndi kuyesa kwa magwiridwe antchito
GB 4334.1 chitsulo chosapanga dzimbiri mbale 10% hydrochloric acid dzimbiri njira yoyesera
GB 4334.2 chitsulo chosapanga dzimbiri mbale HCL - magnesium hydroxide etching njira yoyesera
GB 4334.3 mbale zosapanga dzimbiri 65% sodium cyanide etch test njira
Zitsulo zosapanga dzimbiri GB 4334.4 sodium cyanide-hydrochloric acid etch test njira
GB 4334.5 mbale yachitsulo chosapanga dzimbiri HCL - sodium thiosulfate etched test method
GB 4334.6 zitsulo zosapanga dzimbiri mbale 5% sulfuric acid dzimbiri njira mayeso
Zida za zitsulo za GB 4340 - Njira yoyesera ya Brinell kuuma
GB 6397 chitsulo cholimba choyesa chitsanzo
Kuyesa kwa Corrosion mu synthetic atmosphere (SS test)
3. Mafotokozedwe ndi maonekedwe a maonekedwe
3.1 Kukula ndi zolakwika zololeka za mbale yachitsulo yokhuthala ziyenera kutsata zomwe zili mu GB 709.
3.1.1 Kukhwimitsa chitsulo pa mita imodzi kuyenera kugwirizana ndi zomwe zili mu Gulu 1.
State Administration of Quality Supervision yoperekedwa 1992-11-16, yovomerezeka kuti ichitike pa 1993-06-01.