Hoʻokaʻawale ʻia nā paipu kila i nā paipu kila ʻole a me nā paipu kila welded e like me ke ʻano hana. ʻO kēia manawa mākou e hoʻolauna nui i nā paipu kila welded, ʻo ia hoʻi, nā paipu kila seamed. ʻO ka hana ʻana, ʻo ia ke kūlou a ʻōwili i nā paipu blanks (nā papa kila a me nā ʻāpana kila) i loko o nā ʻāpana e koi ʻia e nā ʻano hana like ʻole. Hoʻohālikelike me ka seamless kila paipu welded paipu, he kiʻekiʻe huahana precision, oi aku kiʻekiʻe kiʻekiʻe paia mānoanoa precision, maʻalahi mea nui lako, liʻiliʻi kapuaʻi, Nā hiʻohiʻona o ka hana mau a me ka hana maʻalahi i ka hana, ka welded paipu e maheleia i ekolu waeʻano: spiral submerged paipu wili ʻia arc, paipu wiliwili ʻia arc, humu pololei ʻelua ʻaoʻao i hoʻopaʻa ʻia i loko o ke ao, a me ka humu pololei ʻana i ka paipu kūʻē alapine kiʻekiʻe.

1. Piula wiliwili ʻia i loko o ke ao

ʻO nā mea maka o ka paipu kila spiral (SSAW) he strip coil, welding wire a me ka flux. Ma mua o ka hana ʻia ʻana, hoʻomaʻemaʻe ʻia ka ʻili a me ka lawe ʻana a me ka mālama mua ʻana. Hoʻohana ʻia ka mea hoʻomalu o ka welding gap e hōʻoia i ka hoʻokō ʻana o ka welding i nā koi wili Pono pono e hoʻomalu pono i ke anawaena paipu, misalignment a me ka weld gap. Ma hope o ka ʻoki ʻana i ka paipu kila hoʻokahi, pono nā paipu mua ʻekolu o kēlā me kēia pūʻulu e hoʻopaʻa ʻia i kahi ʻōnaehana nānā mua loa e nānā i nā waiwai mechanical, haku mele, ʻano hui a me ka ʻili o ka weld. Ma hope o ka nānā ʻana i ka maikaʻi a me ka non-destructive inspection e hōʻoia i ke kūpono o ka hana paipu, hiki ke hoʻokomo ʻia i loko o ka hana.

2. He paipu wiliwili ʻia i loko o ke poʻo

ʻO ka ʻōlelo maʻamau, ʻo ka hili pololei i hoʻopaʻa ʻia i loko o ka arc welded pipe (LSAW) hana ʻia me ka pā kila. Ma hope o nā kaʻina hana like ʻole, hoʻokumu ʻia ka paipu welded e ʻelua ʻaoʻao submerged arc welding a me ka hoʻonui post-weld. ʻO ke ʻano o ka hana ʻana o ka paipu i hoʻoheheʻe ʻia ʻo UO (UOE). , RB (RBE), JCO (JCOE), etc.

UOE hili pololei i hoʻopaʻa ʻia i loko o ke arc welded paipu kaʻina hana:

ʻEkolu mau kaʻina hana i loko o ka UOE LSAW kila paipu kaʻina hana: ka pā kila ma mua o ke kulou ʻana, ka hana ʻana a me ka hoʻokumu ʻana o O. Ke hoʻohana nei kēlā me kēia kaʻina hana i kahi paʻi hana kūikawā e hoʻopau i ka pre-bending, U ka hana a me O ka hana ʻana o ka lihi o ka pā kila. ʻEkolu kaʻina hana, ua deformed ka pā kila i loko o ka poepoe paipu, ka JCOE hili pololei submerged arc welded paipu hana hana: ma hope o ka hehi nui ma ka JC0 hana mīkini, ka hapa mua o ka mea kila pā ua kaomi i J shape, a laila ka 'ē aʻe. paʻi ʻia ka hapalua o ka pā kila i kahi ʻano J, e hana ana i kahi ʻano C, kaomi ʻia mai ka waena mai e hana i kahi pahu puka "O" hāmama.

Hoʻohālikelike i nā ʻano hana hoʻoheheʻe JCO a me UO:

ʻO ka hoʻokumu ʻana ʻo JCO ʻo ia ka holomua ʻana o ke kaomi, kahi e hoʻololi ai i ke kaʻina hana o ka paipu kila mai ʻelua mau ʻanuʻu o ka UO e hoʻokumu ana i ka nui-step. I ka wā o ka hana ʻana, ua ʻano like ʻole ka pā kila, ua liʻiliʻi ke koena o ke koʻikoʻi, ʻaʻole i haki ʻia ka ʻili. ʻOi aku ka maʻalahi o ka nui a me nā kikoʻī kikoʻī o ka mānoanoa o ka pā, hiki ke hana i nā huahana nui-nui a me nā huahana liʻiliʻi liʻiliʻi, ʻaʻole wale i nā paipu kila mānoanoa me ka ikaika nui, akā ʻo ka liʻiliʻi liʻiliʻi nui- nā paipu kila pā, ʻoi loa I ka hana ʻana i nā paipu mānoanoa kiʻekiʻe, ʻoi aku ka maikaʻi o ka hana ʻana i nā paipu liʻiliʻi a me ke anawaena mānoanoa o ka paia, loaʻa iā ia nā mea maikaʻi ʻole ma mua o nā hana ʻē aʻe, a hiki ke hoʻokō i nā koi o nā mea hoʻohana no nā kikoʻī paipu kila. . Hoʻokumu ʻo UO i ke kaomi ʻana o U a me O i ʻelua mau manawa, kahi i hōʻike ʻia e He nui ka mana a me ka puka kiʻekiʻe. ʻO ka maʻamau, hiki i ka puka makahiki ke hiki i 300,000 a 1,000,000 tons, kahi kūpono no ka hana nui o kahi kikoʻī hoʻokahi.

3. Pololei seam kiʻekiʻe alapine (frequency resistance) welded paipu

Hoʻokumu ʻia ka paipu welded high-frequency welded straight seam (RW) ma ka hoʻohana ʻana i ka hopena ʻili a me ka hopena pili o ke alapine kiʻekiʻe e wela a hoʻoheheʻe i ka ʻaoʻao o ka paipu blank ma hope o ka hoʻokumu ʻia ʻana o ka wili wela e kahi mīkini hana, a laila. kaomi-welded ma lalo o ka hana o ka extrusion roller.