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He aha nā ʻano pale ma hope o ka hoʻonui ʻana o ka mea hana uila valve?

He aha nā ʻano pale ma hope o ka hoʻonui ʻana o kakiwikāmea hana uila?

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ʻO ke ʻano degreasing no nā kiwi
ʻO ka mea mua, nā hana hoʻomaʻemaʻe
Pono nā ʻāpana valve e hele i kēia kaʻina hana ma mua o ka hui ʻana:
1, e like me nā koi hoʻoponopono, pono kekahi mau ʻāpana e hana i ka hana polishing, ʻaʻole hiki i ka ʻili ke hana burr, etc.;
2. Ua degreased nā māhele a pau;
3, pickling passivation ma hope o degreasing, hoʻomaʻemaʻe 'aʻole i loko o phosphorus,;
4, ma hope o ka pickling passivation, holoi me ka wai maʻemaʻe, ʻaʻohe koena lāʻau, nā ʻāpana kila kalapona e haʻalele i kēia kaʻina;
5, hoʻokahi i kekahi ʻāpana me ka lole i ulana ʻole ʻia maloʻo, ʻaʻole hiki ke mālama i nā ʻāpana huluhulu uea ma luna, a i ʻole me ka maloʻo maloʻo maʻemaʻe;
6. E holoi i nā ʻāpana i kēlā me kēia me ka lole i ulana ʻole ʻia a i ʻole ka pepa kānana pololei i hoʻopaʻa ʻia me ka waiʻona maʻemaʻe a ʻaʻohe kala lepo.
ʻElua, pono hui
Pono e hoʻopaʻa ʻia nā ʻāpana i hoʻomaʻemaʻe ʻia no ke kau ʻana. ʻO nā koi no ka hoʻokomo ʻana penei:
1. Pono e ho'oma'ema'e 'ia ka hale hana ho'okomo, a i 'ole e ho'onohonoho i nā wahi ma'ema'e no ka manawa pōkole, e like me ka lole waiho'olu'u i kū'ai hou 'ia a i 'ole ke ki'i 'i'ika, e pale aku ai i ka lepo mai ke komo 'ana i ka wā o ka ho'okomo 'ana.
2, pono e komo na limahana o ka hui i na lole hana pulupulu maemae, e komo i ka papale pulupulu maemae, aole hiki ke lele ka lauoho, e komo na wawae i na kamaa maemae, e komo na lima i na mīkina lima lima, e hoolele.
3. Pono e hoʻomaʻemaʻe ʻia nā mea hana hui a hoʻomaʻemaʻe ʻia ma mua o ka hui ʻana e hōʻoia i ka maʻemaʻe
Nā koi ʻē aʻe
1. E hoʻomaʻemaʻe i ka pahu i hui pū ʻia me ka nitrogen no ka liʻiliʻi o 1 mau minuke.
2, ʻo ka hoʻāʻo ʻana i ka ea he pono ka nitrogen maʻemaʻe.
3. Ma hope o ka hala ʻana i ka hoʻāʻo ʻana i ka ea, e hoʻopaʻa a hoʻopaʻa iā ia me kahi pāpale polyethylene maʻemaʻe. Ma mua o ka hoʻohana ʻana i ka pāpale polyethylene, e hoʻoinu iā ia me ka solvent organik a holoi maʻemaʻe.
4. A laila e hoʻopaʻa iā ia me kahi ʻeke maloʻo.
5. Ma hope o ka hoʻopili ʻana.
6. Pono e hana ʻia e hōʻoia ʻaʻole i hōʻino ʻia ka pūʻolo i ka wā o ka lawe ʻana.
Iv. Nā koi ʻae
E hahai ka ʻae ʻana iā HG 20202-2000 "Code for Construction and Acceptance of Degreasing Engineering". Ma mua o ka hui ʻana, holoi ʻia kēlā me kēia ʻāpana me ka pepa kānana pololei.
He aha nā ʻano pale ma hope o ka hoʻonui ʻana o ka mea hana uila valve?
ʻO Valve, ma ke ʻano he huahana mīkini kākoʻo koʻikoʻi, pili i nā ʻano āpau o ke ola o ka poʻe, me ka piʻi ʻana o ka noi o ka mākeke valve, ʻoihana hana valve i loko o ke kaiapuni koi nui, ke hōʻike nei i kahi kūlana hoʻomohala maikaʻi loa. No laila, ʻo ka manawa kūpono i mua o ka mākeke valve ua hoʻokumu i kahi palekana maikaʻi o ka huahana a me ka hoʻokūkū hōʻailona huahana, ʻo kēlā me kēia ʻoihana valve i ka ʻimi ʻana i ka huahana e kiʻekiʻe-tech, kiʻekiʻe kiʻekiʻe, ikaika corrosion kūpaʻa, kiʻekiʻe ke alakaʻi ola.
ʻO ka valve electric actuator he mea pono loa ia e ʻike ai i ka mana o ka polokalamu valve, ka mana ʻakomi a me ka mana mamao. Hiki ke ho'omalu 'ia kona ne'e 'ana e ka hahau, torque a i 'ole axial thrust. I ke kaʻina hana, ʻaʻole hoʻohana ʻia ka mīkini, ʻaʻole ʻae ʻia kēia kūlana. Inā loaʻa kēia ʻano, pono e ʻike i ke kumu, alakaʻi maʻamau i nā kumu aʻe o ka ukana:
1, haʻahaʻa ka mana, ʻaʻole hiki ke kiʻi i ka torque i koi ʻia, no laila e pau ka holo ʻana o ka kaʻa;
2, hoʻonohonoho hewa ʻole i ka mīkini palena torque, no laila ʻoi aku ka nui ma mua o ka torque i hoʻōki ʻia, ka hopena i ka hoʻomau ʻana i ka torque kiʻekiʻe, i pau ai ke kaʻa kaʻa;
3, hoʻohana manawaleʻa, mālama wela, ʻoi aku ma mua o ka piʻi ʻana o ka mahana i ʻae ʻia o ke kaʻa;
4. No kekahi kumu, hāʻule ka torque limiting mechanism circuit a nui loa ka torque;
5, ʻoi aku ka kiʻekiʻe o ka hoʻohana ʻana i ka mahana ambient, e pili ana i ka hōʻemi ʻana i ka mana wela kaʻa.
Nā ʻano pale kumu no ka hoʻonui ʻana:
1, ka hoʻomau ʻana o ka kaʻa a i ʻole ka hana kiko o ka pale overload, me ka hoʻohana ʻana i ka thermostat;
2, ka pale pale kaʻa, me ka hoʻohana ʻana i ka relay thermal;
3, no ka ulia kaapuni pōkole, e hoʻohana i ka fuse a i ʻole relay overcurrent.
ʻO Valve electric actuator he mea pono loa ia e ʻike ai i ka mana o ka polokalamu valve, ka mana ʻakomi a me ka mana mamao. Hiki ke ho'omalu 'ia ke ka'ina ne'e 'ana e ka hahau, torque a i 'ole axial thrust. He mea nui ke koho pololei ʻana i ka mea uila valve no ka pale ʻana i ka overload phenomenon (ʻoi aku ka kiʻekiʻe o ka torque hana ma mua o ka control torque). ʻO ka hoʻonohonoho hoʻonohonoho pono ʻole o ka ʻōnaehana hoʻomalu e hana i ka oscillation o ka ʻōnaehana hoʻomalu. Inā nui loa ka loaʻa ʻana o ka mea hoʻoponopono loop hoʻokahi, pōkole ka manawa integral, a ʻoi aku ka nui o ka manawa ʻokoʻa a me ka loaʻa ʻokoʻa, hiki iā ia ke kumu o ka oscillate, a alakaʻi i ka oscillation actuator. No ka ʻōnaehana hoʻomalu multi-loop, ma waho aʻe o nā kumu i luna, aia kekahi pilikia o ka launa pū ʻana ma waena o nā puka lou, pilikia resonance i hoʻokumu ʻia e ka hoʻonohonoho hoʻonohonoho pono ʻole. I ka nānā ʻana i nā pilikia e kū nei, hiki ke hoʻoponopono hou ʻia nā ʻāpana e hana i ka loop control i kahi palena kūpaʻa me ka ʻole o ka hoʻopili ʻana i ka hana a me ka laina me nā koi hoʻomalu kaʻina.


Ka manawa hoʻouna: Iune-27-2022

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