Ka nui o ka noi a me nā koi ʻenehana o nā pahu mana mana (3)
He ʻāpana koʻikoʻi ʻo Valve o ka hoʻonohonoho piha piha o nā lako, hoʻohana nui ʻia no ka ʻoki ʻana, throttling, hoʻoponopono i ke kaomi a me ka hoʻololi ʻana i ke ala kahe o ka medium (mea, wai, mahu, ea a me ka aila, etc.) i ka pipeline kaʻina. Hoʻopili pololei ka maikaʻi o ka valve i ka hana maʻamau o kēia mau mea hana, ka hana palekana a me ka haumia o ke kaiapuni, a he hana koʻikoʻi. He nui nā ʻano ʻano valve a me nā kikoʻī, ʻo ka nui o ka valve gate, globe valve, check valve, ball valve, safety valve, pressure reducing valve, trap valve, butterfly valve and special purpose valve, hoʻohana ākea, dosage nui. Wahi a nā helu helu piha ʻole a me ka manaʻo koʻikoʻi, i loko o kahi pūʻulu piha piha o nā lako, ʻo ka hoʻopukapuka valve e pili ana i ka 3% - 5% o ka huina kālā i nā lako.
(l) Mea hana valve a me ke kūlana hana
ʻO ka ʻāina ma ka pae kalana ma luna o ka hoʻokele ʻana o nā ʻoihana valve e pili ana i 180, me 19 mau ʻoihana iwi kuamoʻo nui, aia kekahi ʻano o nā kūlanakauhale a me nā ʻoihana pilikino ma mua o 2000, nā mea hana liʻiliʻi liʻiliʻi paʻakikī i nā helu helu, nā ʻoihana kūlanakauhale a me nā mea hana pilikino i māhele ʻia i loko. ʻO Jiangsu a me Zhejiang a me ke kikowaena Plains. I loko o ka ʻoihana valve, ʻoi aku ka maikaʻi o nā ʻoihana nui a me ka nui o ka mokuʻāina, ʻoi aku ka nui o nā ʻoihana iwi kuamoʻo, i ka pae hana valve a me ka ikaika ʻenehana. Ua hoʻohana kekahi o kēia mau mea hana i ka hoʻohālikelike ʻana i ke one one resin, nā mea nui o ka valve i nā mīkini mīkini CNC, nā laina ʻakomi a i ʻole nā mea hana mīkini hui pū ʻana, hoʻopaʻa ʻana i ka ʻili me ka hoʻokaʻawale like ʻana mai ka ʻenehana welding spray, ʻenehana hoʻolālā valve CAD ʻenehana, ʻekolu-dimensional solid. hoʻohālike. Ua hoʻoikaika ka ʻenehana holomua i ka hoʻomaikaʻi ʻana i ka pae hana valve a me ka maikaʻi o ka huahana. Akā ʻo ka hapa nui o nā mea hana valve e hoʻolei ana i nā mea hoʻoheheʻe kahiko, ʻoi aku ka nui o ka hoʻohālikelike manual, ka mīkini no nā mea mīkini maʻamau a me ka ʻoki ʻana i nā mea hana hoʻokahi, ʻaʻole kūpono nā mea ʻike a ʻaʻole i kūpono i ka maʻamau. I nā makahiki i hala iho nei, ua hoʻomaikaʻi maikaʻi ʻia kekahi mau mea liʻiliʻi liʻiliʻi a me ka nui o ka valve mai ka hoʻoikaika ʻana i ka hoʻokele o ka manpower, ka hoʻokumu ʻana i ke kumu, nā lako a me ka hoʻopaʻa ʻana i ka hoʻoponopono ʻenehana, hoʻomaikaʻi maikaʻi ʻia ka pae ʻenehana hana, ka pae huahana, hopu i ka maikaʻi o ka huahana, hopu i ka mākeke, waiwai waiwai nui, me nā ʻoihana nui a i ʻole ka iwi kuamoʻo e paio me ka hiki, ʻaʻole hiki ke hoʻohaʻahaʻa ʻia kona ikaika a me ka hoʻomohala ʻana.
(2) pae huahana
Ma o ka hoʻokō ʻana i nā kūlana aupuni, hoʻololi ʻenehana, hoʻoikaika i ka hoʻāʻo a me ka ʻike ʻana, ka hoʻololi ʻana o ka huahana kahiko a hoʻomaikaʻi i ke kiʻekiʻe o ka hoʻolālā a me ke kaʻina hana, ʻoi aku ka maikaʻi o ka pae o nā huahana valve i ko mākou ʻāina ma kahi o 20 mau makahiki, nā ʻano kikoʻī. i loko o ka paʻa paʻa paʻipaʻi pāpaʻi valve, palahalaha ʻīpuka pāpaʻa a me ka paʻa paʻa paʻa kinipōpō pōlele ma nā wae a me nā huahana i hoʻonui wikiwiki (14 mau ʻano o ka valve i loaʻa ma kahi o 2000 series, ʻoi aku ma mua o 12,000 mau kikoʻī). I waena o lākou, ʻo ka nui o ka nui o nā valve maʻamau i hiki ke kiʻekiʻe o ka makahiki 1980 ma waho, ʻo kēia mau valve i ka hoʻolālā huahana a me nā mea a me nā ʻano ʻē aʻe o ka valve i hana ʻia ma waho i nā makahiki i hala iho nei, hiki ke hana ʻia e like me ke kūlana o nā koi haole, akā i ka maikaʻi o ka huahana ʻaʻole paʻa pono, aia kekahi āpau me nā ʻāina hoʻomohala. Akā i loko o kekahi mau kiwi kūikawā, e like me ka valve control automatic, paʻa paʻa paʻa pōpō pōlele, * * liʻiliʻi kahe kahe, lehu slag valve, ka pahu hoʻokaʻawale mokuahi nui a me ka valve hoʻomaha stabilizer, a me nā mea ʻē aʻe), kiʻekiʻe kiʻekiʻe kiʻekiʻe (e like me ka hoʻohana ʻana i ka mahana. ʻoi aku ka kiʻekiʻe ma mua o 700 ℃, caliber ma mua o ka lm ball valve), nā mea valve (hydrogen sulfide resistant steel material, urea a me carbon fiber composite material), a me ke āpau me ka mea hoʻokele valve haole, etc. (me ka hoʻokomo ʻana i ka hoʻolālā hoʻohana hou ʻana i ka valve) a me nā ʻenehana holomua e hoʻoponopono mālie. Hiki ke hoʻokō pono i nā pāpaʻi, hiki ke kākoʻo hale i ka 300000 t/a ethylene, 300000 t/a ammonia, urea, 60000 t, 520000 t/a o 80000 t/a/a polyethylene kiʻekiʻe, polypropylene, 60000 t/la. , 80000 t/a vinyl chloride, 50000 t/a propylene holt, 30000 t/a, acetaldehyde, 45000 t/a, 2.5 miliona t/a refinery, 3 butadiene 10,000 m3 / h kaawale ea, 30MW keena wela ka mana mana a me ka paipu hoʻouna lōʻihi a me nā mea hana ʻē aʻe. Ke hoʻonui nei ka pālākiō o nā ʻāpana piha piha o nā ʻāina ʻē, e hoʻolaha ana i ke kiʻekiʻe o ka valve e pili ana me ia. Aia kekahi ʻano hoʻomohala ma Kina, akā aia kahi ākea nui i ke kākoʻo ʻana i ka hiki ke hoʻohālikelike ʻia me nā ʻāina i kūkulu ʻia, ka mea nui i hōʻike ʻia i loko o nā valves kūikawā, nā ʻāpana kiʻekiʻe kiʻekiʻe, nā ʻōnaehana mana a me nā mea hoʻokele.
ʻO ka laulā noi a me nā koi ʻenehana o nā kīwaha mana (III) ʻO ke ʻano hoʻomākaukau hoʻohālike huahana e hahai i nā ʻōlelo o JB/T4018. Inā he WCB a me WC1, WC6 a me WC9 ka pūpū, e hui pū ʻia ke ʻano huahana valve e like me ke ʻano i kuhikuhi ʻia ma JB/T4018 ma ke kila kalapona a me ke kila kila cr al-V. ʻO ka hōʻailona puka a me ka hoʻomaopopo ʻana i ka noi pena JB/T 106. No ke kino i hana ʻia me WCB, ʻo ka ʻike a me ka pena e pili ana i nā mea i hoʻolako ʻia i nā mea kila kalapona; No nā kino valve i hana ʻia me WC1, WC6, WC9, e pili ana ka uhi ʻike i nā mea i hoʻolako ʻia i nā mea kila kila. Ua ʻae ʻia ka hoʻololi ʻana o ke kala pena ma ke noi a ka mea kūʻai aku.
Hoʻohui: Ka laulā noiʻi a me nā koi ʻenehana o nā pahu mana mana (II)
8 Ka hōʻailona ʻana, hoʻopili ʻana, mālama a me ka lawe ʻana
8.1 hoailona
8.1.1 ʻO ke ʻano o ka hoʻohui ʻana o ke kumu hoʻohālike huahana e hahai i nā ʻōlelo o JB/T4018. Inā he WCB a me WC1, WC6 a me WC9 ka pūpū, e hui pū ʻia ke ʻano huahana valve e like me ke ʻano i kuhikuhi ʻia ma JB/T4018 ma ke kila kalapona a me ke kila kila cr al-V.
8.1.2 I ka WCB, WC1, WC6, WC9 kino o ka pahu, hiki ke kaha ia kona helu inoa ma ke kino kiwi.
8.1.3 E hoʻokomo ʻia nā papa inoa metala ma nā huahana valve kūpono, a ʻo ke kūlana paʻa a me ka nui o nā papa inoa e like me nā kiʻi hoʻolālā. E ʻoluʻolu e nānā i ka Appendix F no nā ʻike o ka papa inoa
8.1.4 ʻO nā ʻāpana koʻikoʻi a me nā welds kaomi e hele i ka nānā ʻana e helu ʻia a hōʻailona pololei ʻia, a e hōʻailona ʻia nā hōʻailona ma ka wahi me ka haʻahaʻa haʻahaʻa loa, ʻoi aku ka pale ʻana i ke koʻikoʻi o ke koʻikoʻi, ka hoʻololi ʻana i ke ʻano a me ka welding wela wela. ʻaʻole ia e keʻakeʻa i ka hoʻoholo ʻana i nā hopena o ka hoʻāʻo ʻole.
8.1.5 Ke kaha kiwi a me ka hoʻomaopopo ʻana i ka pena Manaʻo JB/T 106. No ke kino i hana ʻia me WCB, ʻo ka ʻike a me ka pena kiʻi e pili i nā mea i hoʻolako ʻia i nā mea hao kalapona; No nā kino valve i hana ʻia me WC1, WC6, WC9, e pili ana ka uhi ʻike i nā mea i hoʻolako ʻia i nā mea kila kila. Ua ʻae ʻia ka hoʻololi ʻana o ke kala pena ma ke noi a ka mea kūʻai aku. E hoʻokō ʻia nā māka ʻē aʻe e like me nā kūlana kūpono.
8.2 ka hoʻopili ʻana
8.2.1 Ma mua o ka hoʻopili ʻana, pono e pena ʻia ka valve e like me ka 8.1.5, a ʻo nā ʻāpana ʻaʻole i pena ʻia a i ʻole ka ʻili i hana ʻia me ka ʻole o ka ʻōpala e uhi ʻia me ka ʻaila anti-rust.
8.2.2 ʻO ka ʻili o ka sila, ka hopena welded, ka hopena wili a me ka lua o loko o ka valve ma nā ʻaoʻao ʻelua o ka flange e pono e pale ʻia e nā plugs a i ʻole nā papa uhi, a pono e maʻalahi e hui a wehe.
8.2.3 E hoʻopaʻa ʻia a hoʻouna ʻia nā huahana valve e like me ka papa inoa packing: Hiki ke hoʻopaʻa ʻia nā valve me ka leo nui e like me nā koi kauoha, akā e hōʻoia ʻia ʻaʻole lākou e pōʻino i ka wā o ka lawe ʻana.
8.3 mālama
Pono e mālama ʻia nā huahana Valve i loko o kahi lumi maloʻo a hoʻopaʻa ʻia e like me ka mea e pono ai. ʻAʻole ʻae ʻia ka waiho ʻana a hoʻopaʻa ʻia paha o nā huahana.
8.4 kaʻahele
8.4.1 I ka wā o ka lawe ʻana, e pani ʻia ka disc valve a hoʻopaʻa ʻia ka disc valve check; Pono e hoʻokuʻu ʻia ka pahu pahu pahu; E hoʻoneʻe ʻia ke kaumaha o ka pahu lever mai ka leve, e waiho ʻia i kahi kaʻawale, a paʻa ka leve. Hoʻopaʻa ʻia ka ʻaoʻao ʻaoʻao a i ʻole ka wili paipu lālā ma nā ʻaoʻao ʻelua o ke kahawai valve me ka pā uhi a i ʻole ke plug e pale aku ai i ka lepo a me ka hoʻoheheʻe ʻana.
8.4.2 E mālama ʻia ka ʻāpana i ʻike ʻia o ke kumu.
9 Hoʻouna waihona
Aia nā palapala hoʻouna i ka palapala hōʻoia huahana, ka papa inoa paʻi huahana, a me ka hoʻonohonoho huahana a me nā kuhikuhi hana. Hōʻike ʻia nā ʻike kumu ma ka Appendix G, H a me I
Pākuʻi A
(Hoʻohui ʻIke)
kauoha
A.1 Hāʻawi ʻia ke alakaʻi koi kauoha kumu i ka mea kūʻai aku ma ka Papa A.1.
Papa A.1 Nā koi kauoha kumu
A.2 Papa A.2 hāʻawi i nā ʻōlelo aʻo hou aku i nā mea kūʻai aku no nā koi kauoha kikoʻī no nā ʻano valve like ʻole.
Papa A.2 Nā koi kauoha kūikawā
Pākuʻi B
(Hoʻohui Kūlana)
Paʻi - pālākiō wela
B.1 Papa B.1~ B.17 hōʻike i ka mea pūpū he 20.25. Zg200-400. Zg230-450.15crmo.zg20crmo.12crmo v. 15Cr1 Molv.zG20CrMov.zG15Cr1Mo1v.1Cr5Mo. ZG1Cr5Mo. 1Cr18Ni9Ti a me ZG1Cr18Ni9Ti kiwikā, ʻO kona kaomi inoa he 0.1 Mpa.0.25 Mpa.0.4 Mpa.0.6 Mpa.1.0 Mpa.1.6 mpa.2.5 Mpa.4.0 Mpa.6.3 Mpa.10.0 Mpa.20.0 Mpa. Pumi i ka wela ma 25.0 Mpa.32.0 Mpa.42.0 Mpa.50.0 Mpa.63.0 MPa.
Hōʻike nā papa B.2 B.18 a i ka B.21 i nā waiwai o ka papa puʻe-mehana o nā kiwi me nā mea pūpū WCB.WC1.WC6.WC9 no ka papa paona 150.300.600.900.1500.2000.2500.3500.4500 pakahi.
Ka manawa hoʻouna: Iulai-26-2022
