Te Whakapai Ake i te Pūmautanga Hanganga: Paipa Rino Waro Whakarewahia Porowhita i roto i te Tukanga Whakarewa Paipa Whakarewa

Whakaahuatanga Poto:

Ko tēnei wāhanga o tēnei Paerewa Pākehā e whakamārama ana i ngā tikanga tuku hangarau mō ngā wāhanga hanganga whakarewa matao, ngā wāhanga tuwhera o ngā āhua porowhita, tapawhā, tapawhā rite rānei, ā, e pā ana ki ngā wāhanga hanganga tuwhera i hangaia matao me te kore he maimoatanga wera i muri mai.

E whakarato ana a Cangzhou Spiral Steel Pipes Group Co., Ltd i ngā paipa maitai porowhita tuwhera hei hanga hanganga.

Tukua mai he īmēra ki a mātou

Taipitopito Hua

Ngā Tohu Hua

Whakauruhia

Te toi owhakarewa paipa whakarewae hiahiatia ana he huinga ōrite o te pūkenga, te tika me ngā rauemi kounga hei whakarite i te hanganga pumau mō ngā momo tono. I roto i ngā momo paipa maha, ko te paipa maitai waro whakarewa porowhita, pērā i te paipa X42 SSAW, he mea rongonui mō tōna kaha, tōna roa me tōna whai huatanga utu. I roto i tēnei tuhinga, ka tūhuratia e mātou te hiranga o ngā paipa maitai waro whakarewa porowhita i roto i te tukanga whakarewa paipa whakarewa, me te ruku hohonu ki roto i tana tukanga hanga, ngā painga me ngā wāhi tono.

Āhuatanga Mīhini

kounga maitai	te kaha hua iti rawa		Te kaha o te kume		Te roanga iti rawa	Pūngao pānga iti rawa
	Mpa				%	J
	Te matotoru kua tohua		Te matotoru kua tohua		Te matotoru kua tohua	i te pāmahana whakamātautau o
	mm		mm		mm
	<16	＞16≤40	<3	≥3≤40	≤40	-20℃	0℃	20℃
S235JRH	235	225	360-510	360-510	24	-	-	27
S275J0H	275	265	430-580	410-560	20	-	27	-
S275J2H						27	-	-
S355J0H	365	345	510-680	470-630	20	-	27	-
S355J2H						27	-	-
S355K2H						40	-	-

Te Hanganga Matū

Te taumata maitai		Momo tango-waikura a	% mā te papatipu, mōrahi
Ingoa maitai	Tau maitai	C	C	Si	Mn	P	S	Nb
S235JRH	1.0039	FF	0,17	—	1.40	0,040	0,040	0.009
S275J0H	1.0149	FF	0,20	—	1.50	0,035	0,035	0,009
S275J2H	1.0138	FF	0,20	—	1.50	0,030	0,030	—
S355J0H	1.0547	FF	0,22	0,55	1,60	0,035	0,035	0,009
S355J2H	1.0576	FF	0,22	0,55	1,60	0,030	0,030	—
S355K2H	1.0512	FF	0,22	0,55	1,60	0,030	0,030	—
a. Ko te tikanga tango-waikura e whai ake nei:
FF: He maitai kua whakamatea katoatia kei roto ngā huānga here hauota i roto i ngā rahinga e ranea ana hei here i te hauota e wātea ana (hei tauira, iti rawa 0,020% Al katoa, 0,015% Al wairewa rānei).
b. Kāore e pā te uara mōrahi mō te hauota mēnā he iti rawa te ihirangi Al katoa o te hanganga matū o te 0,020 % me te ōwehenga Al/N iti rawa o te 2:1, mēnā rānei he nui ngā huānga here-N kē atu kei roto. Me tuhi ngā huānga here-N ki roto i te Tuhinga Tirotiro.

Te tukanga hanga

Ko te paipa whakarewa porowhita, e mōhiotia ana ko te paipa SSAW (whakarewa porowhita i raro i te pewa), ka hangaia mā te whakamahi i ngā tikanga hanga porowhita me te whakarewa pewa i raro i te pewa. Ka tīmata te tukanga mā te maimoatanga taha o te rīpene maitai kua kopikohia, kātahi ka piko te rīpene kia rite ki te āhua porowhita. Kātahi ka whakamahia te whakarewa pewa aunoa i raro i te pewa hei hono i ngā taha o ngā rīpene, ka hanga he whakarewa tonu i te roanga o te paipa. Mā tēnei tikanga ka kaha, ka roa hoki te hononga, me te whakaiti i ngā hapa, me te pupuri i te hanganga pai.

Ngā painga o te paipa maitai waro porowhita kua whakapirihia

1. Kaha me te pakari:Paipa maitai waro porowhita kua whakapirihiae mōhiotia ana mō tōna kaha me tōna manawanui, e tika ana mō ngā tono e hiahia ana ki te ātete ki te pēhanga teitei me te mahi roa.

2. Te Whai Hua o te Utu: He otinga whai hua ēnei paipa nā te mea he pai te tukanga hanga, he iti ake te utu o ngā rauemi mata, ā, he iti ake hoki ngā mahi e hiahiatia ana ki te whakataurite ki ētahi atu momo paipa.

3. Ngā mahi maha: Nā te maha o ngā mahi o te paipa maitai waro kua whakapirihia ki te porowhita, ka taea te whakamahi i roto i te whānuitanga o ngā mahi, tae atu ki te kawe wai, te kawe hinu me te hau, ngā hanganga pou, ngā pūnaha parakaingaki, me ngā momo tukanga ahumahi.

4. Te tika o te āhua: Ka taea e te tukanga hanga porowhita te whakahaere tika i te rahi me te matotoru o te pakitara o te paipa, kia tika ai te hanga me te ōritetanga.

Ngā wāhi tono

1. Te umanga hinu me te hau māori: He whānuitia te whakamahinga o ngā paipa maitai waro kua whakapirihia ki roto i te umanga hinu me te hau māori, inā koa i roto i te kawe i te hinu mata, te hau māori me ngā hua hinu. Nā te kaha me te āheinga ki te tu atu ki ngā taiao pēhanga teitei, he mea pai mō ngā paipa tawhiti.

2. Te Tuku Wai: Ahakoa mō te tuku wai ā-tāone, mō te whakamakuku rānei, he otinga pai rawa atu ngā paipa maitai waro kua whakapirihia ki te porowhita nā te mea he ātete ki te waikura, he kaha, he ngāwari hoki te tāuta.

3. Tautoko hanganga: He whānuitia te whakamahinga o tēnei momo paipa i roto i te umanga hanga hei tautoko hanganga mō ngā whare, ngā piriti, ngā tauranga me ētahi atu kaupapa hanganga. Nā tōna pakari me te ātete ki ngā āhuatanga o waho ka pono ai i roto i ēnei mahi.

4. Ngā Whakamahinga Ahumahi: Ka whakamahia ngā paipa maitai waro porowhita kua whakapirihia ki roto i ngā mara ahumahi maha pērā i te tukatuka matū, ngā tipu hiko me ngā mahi keri maina nā te mea he kaha ki te tu atu ki ngā pāmahana teitei, ngā pēhanga me ngā taiao waikura.

Hei whakamutunga

Paipa maitai waro porowhita kua whakapirihia, pērā i tePaipa SSAW X42, kua hurihia te tukanga whakarewa paipa whakarewa, he maha ngā painga e kawea mai ana ki ngā ahumahi rerekē. Ko tōna kaha, tōna roa, tōna whai huatanga utu me tōna tika o ngā āhuatanga ka whakarite i te hanganga pumau i roto i ngā momo tono. Ko te kaha ki te tu atu i ngā pēhanga tino nui, ngā pāmahana me ngā taiao waikura e tino pai ana mō te tuku hinu me te hau, te tuku wai me ētahi atu rāngai ahumahi. Nō reira, ina tae ki te whakarewa paipa whakarewa, ko te whakamahinga o ngā paipa maitai waro porowhita kua whakarewahia he otinga pono me te whai hua hei whakarite i te hanganga roa me te pakari.

Whakamātautau Waipūmau

Me whakamātautau ia roa o te paipa e te kaihanga ki te pēhanga wai-pūmau ka puta he ahotea i roto i te pakitara o te paipa kāore i raro iho i te 60% o te kaha tuku iti rawa kua tohua i te pāmahana rūma. Me whakatau te pēhanga mā te whārite e whai ake nei:
P=2St/D

Ngā Rerekētanga e Whakaaetia ana i roto i ngā Taumaha me ngā Ahu

Me paunatia motuhake ia roa o te paipa, ā, kaua tōna taumaha e neke atu i te 10% neke atu, i te 5.5% rānei i raro i tōna taumaha matapae, mā te tatau i tōna roa me tōna taumaha mō ia wae roa.
Kaua te whānui o waho e neke atu i te ±1% mai i te whānui o waho kua tohua
Ko te matotoru o te pakitara i tetahi wāhi kaua e neke ake i te 12.5% i raro i te matotoru o te pakitara kua tohua

O mua: Paipa Raina SSAW X65 Whakarewahia Helical

Panuku: EN10219 Ngā Paipa Whakarewa Tuitui Porowhita: Te Whakarite i te Hanganga Parakaingaki Pakari, Pono hoki

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