9711.1 Spiral Steel Pipe

A na-ejikarị ọkpọkọ spral eme mmanụ na gas pipeline, a na-egosipụtakwa nkọwapụta ha site na dayameta dị n'èzí * ọkpụrụkpụ mgbidi.Enwere ike ịgbanye ọkpọkọ spral n'otu akụkụ ma ọ bụ n'akụkụ abụọ.Ọkpụkpọ welded ga-ahụ na ule nrụgide mmiri, ike nkwụsị nke weld na oyi na-atụ oyi na-eme ihe ndị a chọrọ.

Usoro ọgwụgwọ elu:
1. Nhicha
A na-eji ihe mgbaze na emulsions ihicha elu nke ígwè iji wepụ mmanụ, griiz, uzuzu, onye na-eme ka ọ dị nro na ihe ndị yiri ya, ma ọ nweghị ike iwepụ nchara, oxide scale, welding flux, etc. n'elu ígwè, ya mere ọ bụ naanị. eji dị ka ihe inyeaka na mmepụta ihe mgbochi corrosion.

2. Ngwa iji wepụ nchara
Nke mbụ, jiri brushes waya na ngwaọrụ ndị ọzọ na-ehichapụ elu nke ígwè ahụ, nke nwere ike wepụ ihe ndị na-adịghị mma ma ọ bụ nke oxide, nchara, welding slag, wdg. Mwepụ nchara nke ngwá ọrụ aka nwere ike iru ọkwa Sa2, na ngwá ọrụ ike nwere ike iru. ọkwa Sa3.

3. Ịkpọkọ
N'ozuzu, a na-eji ụzọ abụọ nke kemịkal na electrolysis eme ihe maka pickling.Pipeline anticorrosion na-eji naanị kemịkalụ pickling, nke nwere ike wepu ọnụ ọgụgụ oxide, nchara, na mkpuchi ochie.Mgbe ụfọdụ enwere ike iji ya dị ka ájá na-agbaze na nchara.Nhicha kemịkal pụrụ n'ezie ime ka ọdịdị ahụ ruo n'ókè ụfọdụ nke ịdị ọcha na adịghị ike, ma ụkpụrụ arịlịka ya adịghị omimi, ọ dịkwa mfe imetọ ọnọdụ ahụ.

4. Ịfesa (ịtụba) iji wepụ nchara
Ịfesa (ịtụba) nchara nchara bụ moto nwere ikike dị elu na-eme ka agụba na-agbagharị (ịtụba) na-agbagharị na oke ọsọ, nke mere na a na-efesa grit nchara, ígwè ígwè, akụkụ waya ígwè, mineral na ihe ndị ọzọ abrasives na-efesa (tụba) n'elu. elu nke ọkpọkọ ígwè n'okpuru mmetụta nke ike centrifugal., Ọ bụghị naanị na ọ nwere ike iwepụ nchara kpamkpam, oxides na unyi, kamakwa ọkpọkọ ígwè nwere ike iru ihe dị mkpa achọrọ nke ọma n'okpuru mmetụta nke mmetụta dị egwu na esemokwu nke abrasive.
Mgbe ịgbasa (ịtụba) iji wepụ nchara, ọ bụghị nanị na mmetụta mgbasa ozi anụ ahụ nke ọkpọkọ ọkpọkọ nwere ike ịgbasa, kamakwa mmetụta adhesion nke usoro mgbochi corrosion na elu ọkpọkọ nwere ike ime ka ike sie ike.Ya mere, ịgbasa (ịtụba) mkpochapụ nchara bụ ezigbo usoro iwepụ nchara maka pipeline anticorrosion.N'ikwu okwu n'ozuzu, a na-ejikarị ewepu nchara nchara maka ime na mpụga elu nke ọkpọkọ, a na-ejikarị ewepu nchara (aja) maka ọgwụgwọ elu nke ọkpọkọ.