An yanke samfurin kimanin 100 mm a tsayi daga kowane matsayi na bututun wuta mai rufi na filastik, kuma an gudanar da gwajin tasiri bisa ga tanadi a cikin Table 2 a zafin jiki na (20 ± 5) ℃ don lura da lalacewar lalacewa. rufin ciki.A lokacin gwajin, weld ɗin zai kasance a cikin kishiyar tasirin tasirin tasirin, kuma sakamakon gwajin zai bi ka'idodin 5.9.
Yanayin gwajin tasiri
Diamita mara kyau DN
Mm nauyin guduma, tsayin faɗuwar kg, mm
15-251.0300
32 ~ 502.1500
65
80 ~ 3006.31000
Gwajin Vacuum
Tsawon samfurin sashin bututu shine (500 ± 50) mm.Yi amfani da matakan da suka dace don toshe mashigai da fitarwa na bututu, kuma a hankali ƙara mummunan matsa lamba daga mashigar zuwa 660 mm hg, kiyaye shi don 1 min.Bayan gwajin, duba murfin ciki, kuma sakamakon gwajin ya kamata ya bi ka'idodin 5.10.
Gwajin zafin jiki mai girma
Tsawon samfurin sashin bututu ya kasance (100 ± 10) mm.An sanya samfurin a cikin incubator kuma yayi zafi zuwa (300± 5) ℃ na 1 h.Sa'an nan kuma an cire shi kuma an sanyaya shi ta dabi'a zuwa yanayin zafi na al'ada.Bayan gwajin, fitar da samfurin kuma duba rufin ciki (an ba da izinin bayyanar duhu da duhu), kuma sakamakon gwajin ya kamata ya bi 5.11.
Gwajin zagayowar matsi
Tsawon samfurin sashin bututu ya kasance (500± 50) mm.An yi amfani da matakan da suka dace don toshe hanyar shiga da fitarwa na bututu, kuma an haɗa bututun tare da tsarin samar da ruwa.An cika ruwa don cire iska, sannan 3000 a madadin gwaje-gwaje na hydrostatic daga (0.4 ± 0.1) MPa zuwa MPa an gudanar da su, kuma lokacin kowane gwajin bai wuce 2 s ba.Bayan gwajin, za a bincika murfin ciki kuma za a yi gwajin adhesion bisa ga tanadi na 6.4, kuma sakamakon gwajin zai dace da tanadi na 5.13.
Gwajin zagayowar yanayin zafi
Tsawon samfurin sashin bututu ya kasance (500± 50) mm.An sanya samfuran na sa'o'i 24 a kowane zafin jiki a cikin tsari mai zuwa:
(50± 2) ℃;
(-10± 2) ℃;
(50± 2) ℃;
(-10± 2) ℃;
(50± 2) ℃;
(-10± 2) ℃.
Bayan gwajin, an sanya samfurin a cikin yanayi mai zafin jiki na (20± 5) ℃ na sa'o'i 24.An duba murfin ciki kuma an yi gwajin adhesion bisa ga tanadi na 6.4.Sakamakon gwajin ya kamata ya dace da tanadi na 5.14.
Gwajin tsufa na ruwa mai dumi
Girman da tsayin samfurin sashin bututu yana da kusan 100 mm.Abubuwan da aka fallasa a duka ƙarshen ɓangaren bututu ya kamata a bi da su tare da anticorrosion.Ya kamata a jiƙa sashin bututu a cikin ruwa mai narkewa a (70± 2) ℃ na kwanaki 30.
Yana da fasalin watsa shirye-shiryen editan duba
(1) High inji Properties.Epoxy guduro yana da ƙaƙƙarfan haɗin kai da ƙaƙƙarfan tsarin kwayoyin halitta, don haka kaddarorin injinsa sun fi guduro phenolic da polyester unsaturated da sauran resins na thermosetting na duniya.
(2) Filastik wuta bututu shafi ta amfani da epoxy guduro, tare da karfi adhesion.Tsarin warkarwa na resin epoxy ya ƙunshi ƙungiyar epoxide mai aiki sosai, ƙungiyar hydroxyl, ether bond, amine bond, ester bond da sauran ƙungiyoyin iyakacin duniya, yana ba da kayan warkarwa na epoxy tare da kyakkyawan mannewa zuwa ƙarfe, yumbu, gilashin, kankare, itace da sauran abubuwan polar. .
(3) warkewar raguwar ƙanƙanta ne.Gabaɗaya 1% ~ 2%.Yana daya daga cikin nau'ikan da ke da mafi ƙanƙanta curing shrinkage a cikin resin thermosetting (phenolic guduro ne 8% ~ 10%; Unsaturated polyester guduro ne 4% ~ 6%; Silicone guduro 4% ~ 8%).Matsakaicin faɗaɗa layin layi shima ƙanƙane ne, gabaɗaya 6 × 10-5/℃.Don haka ƙarar tana canzawa kaɗan bayan warkewa.
(4) Kyakkyawan fasaha.Epoxy resin curing ainihin baya haifar da ƙananan ƙwayoyin ƙwayoyin cuta, don haka na iya zama ƙananan gyare-gyaren matsa lamba ko lamba latsa gyare-gyare.Zai iya yin aiki tare da kowane nau'in wakili na warkewa don samar da ƙarancin ƙarfi, mai ƙarfi mai ƙarfi, murfin foda da shafi na tushen ruwa da sauran kayan kwalliyar muhalli.
(5) Kyakkyawan rufin lantarki.Epoxy guduro resin thermosetting ne mai kyau antistatic Properties.
(6) Kyakkyawan kwanciyar hankali, kyakkyawan juriya ga sunadarai.Epoxy resin ba tare da alkali, gishiri da sauran ƙazanta ba ba shi da sauƙin lalacewa.Matukar an adana shi da kyau (an rufe shi, ba a shafa da danshi ba, ba a cikin zafin jiki ba), lokacin ajiyarsa shine shekara 1.Har yanzu ana iya amfani da shi idan ya cancanta bayan karewa.Abubuwan da aka warkar da Epoxy suna da kyakkyawan kwanciyar hankali na sinadarai.Its juriya na alkali, acid, gishiri da sauran kafofin watsa labarai ya fi unsaturated polyester guduro, phenolic guduro da sauran thermosetting guduro.Saboda haka, epoxy guduro ne yadu amfani da matsayin anticorrosive na share fage, kuma saboda epoxy guduro curing abu ne uku-girma cibiyar sadarwa tsarin, da kuma iya jure wa impregnation na man fetur, da dai sauransu, babban adadin aikace-aikace a cikin man tanki, mai tanker, jirgin sama, da rufin bangon ciki na babban tanki.
(7) Epoxy curing zafi juriya ne kullum 80 ~ 100 ℃.Epoxy resin zafi resistant iri na iya kaiwa 200 ℃ ko sama.
Amfanin samfur
(1) Rufin filastik karfe bututu yana da babban ƙarfin injiniya, dace da yanayin amfani mai zafi;
(2) Rubutun ciki da na waje na iya hana iskar oxygenation na karfe kuma yana da kyakkyawan juriya na lalata;
(3) murfin yana da karfi mai karfi, ƙarfin haɗin kai da kuma tasiri mai kyau;
(4) Ƙananan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan juriya ga manne jikin waje;
(5) Bututun ƙarfe mai rufi yana hana tsufa kuma yana da tsawon rayuwar sabis, musamman dacewa da isar da ruwa ta ƙasa.
Lokacin aikawa: Mayu-23-2022