Ịkwalite akụrụngwa Ọwa mmiri site na iji spral submerged Arc Pipes (SSAW)

Nkọwa dị mkpirikpi:

Akụkụ a nke European Standard na-akọwapụta ọnọdụ nnyefe ọrụ maka oyi kpụrụ welded structural, oghere nke ụdị okirikiri, square ma ọ bụ akụkụ anọ ma na-emetụta akụkụ oghere mepere emepe etolite oyi na-enweghị ọgwụgwọ okpomọkụ na-esote.

Cangzhou Spiral Steel Pipes Group Co., Ltd na-enye akụkụ oghere nke ụdị okirikiri ígwè ọkpọkọ maka ihe owuwu.


Nkọwa ngwaahịa

Mkpado ngwaahịa

Ewebata:

Usoro ọwa mmiri dị mma dị mkpa maka uto na mmepe obodo ọ bụla.Na-ewu na mmezi nkeọwa mmiriahịrịs, ịhọrọ ọkpọkọ kwesịrị ekwesị na ụzọ ntinye dị oke mkpa.Spiral submerged arc pipes (SSAW) abụrụla ihe ngwọta a pụrụ ịdabere na ya nke ukwuu ma dịkwa ọnụ ahịa maka akụrụngwa ọwa mmiri.Ebumnuche nke blọọgụ a bụ ime ka a ghọta uru na ngwa nke spiral submerged arc welded pipe na ịkwalite sistemu nsị.

Ngwongwo igwe

ọkwa ígwè

ike mkpụrụ kacha nta
Mpa

Ike ọdụdọ

Opekempe elongation
%

Ike mmetụta kacha nta
J

Ọkpụrụkpụ akọwapụtara
mm

Ọkpụrụkpụ akọwapụtara
mm

Ọkpụrụkpụ akọwapụtara
mm

na ule okpomọkụ nke

 

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

-

-

Nkọwa nke spiral submerged arc welded pipe:

Ọkpụkpọ arc ọkpọkọ gbara gburugburu, nke a na-akpọkarị spiral submerged arc welded pipe, bụ nke a na-etolite site n'ịtụgharị nchara na-ekpo ọkụ n'ụdị okirikiri wee gbado ya n'akụkụ eriri weld site na iji usoro ịgbado ọkụ n'ime mmiri.Ọkụ ndị a na-enye oke nkwụsi ike, ike na nkwụsị nke corrosion, na-eme ka ha dị mma maka ọrụ akụrụngwa dị oke mkpa dị ka ọwa mmiri.

1

Uru nke SSAW pipe na ngwa nsị:

1. Ogologo oge: Spiral submerged arc welded pipes na-eji ígwè dị elu mee ihe ma nwee ezigbo ogologo oge.Ha nwere ike iguzogide ibu dị arọ na ọnọdụ dị n'okpuru ala dị oke egwu, na-eme ka ndụ ogologo ndụ maka ọkpọkọ mmiri.

2. Nguzogide corrosion: Usoro galvanizing na-ekpo ọkụ na-agbakwụnye ihe nchebe ọzọ na spiral submerged arc welded pipe, na-eme ka ọ bụrụ ihe na-eguzogide corrosion nke ukwuu.Ngwongwo a dị oke mkpa maka sistemu ọwa mmiri n'ihi na ha na-ezutekarị kemịkalụ na gburugburu ebe obibi.

3. Ngosipụta na-agbapụta agba: A na-arụpụta ọkpọkọ spiral submerged arc welded pipe site na iji usoro ịgbado ọkụ na-aga n'ihu iji hụ na ihe nrụpụta na-agbapụta.Njirimara a na-egbochi ohere ọ bụla nke ịbanye ma ọ bụ ntapu, si otú a na-ebelata ohere nke mmetọ ala na mkpa maka nrụzi dị oke ọnụ.

4. Mgbanwe na mgbanwe: Spiral submerged arc welded pipe nwere ike ịmepụta ka ọ dabara n'ụdị dị iche iche nke dayameta, ogologo na mkpọda, na-ekwe ka mgbanwe dị ukwuu na nhazi usoro nsị.Ha nwere ike ime mgbanwe n'ụzọ dị mfe na mgbanwe ala na ntụzịaka, na-eme ka mmiri mkpofu na-asọ nke ọma ọbụna na netwọk ọwa mmiri dị mgbagwoju anya.

5. Ọnụ-erite uru: E jiri ya tụnyere omenala nsị ọkpọkọ ihe dị ka ihe ma ọ bụ ụrọ, spiral submerged arc welded pipes nwere ike inye nnukwu ego ego na ntinye na nhazi.Ọdịdị ha dị arọ na-ebelata ọnụ ahịa mbupu ma ọ dị mfe ịwụnye, na-ebelata ihe ndị ọrụ chọrọ.Na mgbakwunye, ogologo ndụ ọrụ ya na obere ihe achọrọ nrụzi na-enye aka n'ịrụ ọrụ ogologo oge.

Ngwakọta kemịkalụ

ọkwa ígwè

Ụdị de-oxidation a

% site na oke, kacha

Aha igwe

Nọmba igwe

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.A na-ahazi usoro deoxidation dị ka ndị a:

FF: Nchara egbuchachara nke ọma nwere ihe na-ekekọta nitrogen na oke zuru oke iji kechie nitrogen dị (dịka min. 0,020 % mkpokọta Al ma ọ bụ 0,015 % soluble Al).

b.Uru kachasị maka nitrogen anaghị emetụta ma ọ bụrụ na ihe mejupụtara kemịkalụ gosipụtara opekempe ọdịnaya Al nke 0,020 % yana opekempe Al/N nke 2:1, ma ọ bụ ma ọ bụrụ na ezuru ihe ndị ọzọ na-ekekọta N dị.A ga-edekọ ihe N-jide na akwụkwọ nyocha.

Ngwa nke ọkpọkọ SSAW na sistemu nsị:

1. Obodo Sewer Networks: SSAW ọkpọkọ na-ejikarị na-ewu nke ọwa mmiri ahịrị na-eje ozi ebe obibi, azụmahịa na ụlọ ọrụ.Ike ha na nguzogide corrosion na-eme ka ha bụrụ ezigbo nhọrọ maka ibufe mmiri mkpofu n'ebe dị anya.

2. Mgbapu mmiri nke oké ifufe:SSAW ọkpọkọnwere ike ijikwa mmiri na-asọpụta nke ọma ma gbochie idei mmiri n'obodo mepere emepe.Nkwụsi ike ha na-enye ohere ịnyefe oke mmiri nke ọma na oke mmiri dị elu.

3. Ụlọ ọrụ na-ahụ maka nsị mmiri: Enwere ike iji spral submerged arc welded pipes rụọ ọrụ n'akụkụ dị iche iche nke ụlọ ọrụ nsị mmiri, gụnyere ọkpọkọ mmiri na-ekpofu mmiri, tankị ikuku na usoro ọgwụgwọ sludge.Nguzogide ha na kemịkalụ na-emebi emebi na ikike ijikwa nrụgide dị iche iche na-eme ka ha dị mkpa na gburugburu ebe ndị dị otú ahụ na-achọsi ike.

Na ngwụcha:

Ịhọrọ ihe ọkpọkọ ziri ezi dị oke mkpa maka ịrụ ọrụ nke ọma na nhazi nke usoro nsị gị.Spiral submerged arc pipe (SSAW) egosila na ọ bụ ihe ngwọta akụrụngwa na-erite uru, na-adịgide adịgide na nke na-agbanwe agbanwe.Site na nguzogide corrosion ha mara mma, imewe ihe na-agbapụta mmiri, na ngbanwe na mbara ala dị iche iche, ọkpọkọ SSAW nwere ike ibufe mmiri mkpofu nke ọma nke ọma, na-enye aka na mmepe obodo niile na-adigide.Iji spiral submerged arc welded pipes n'ọrụ ọwa mmiri nwere ike imeghe ụzọ maka netwọọkị ọwa mmiri na-akwalite iji gboo mkpa mmepe obodo na-eto eto.

SSAW Pipe

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