Na ogbako Jinbin, atọ emeberegoggle valvesmaka ndị ahịa na-achọ imecha. Ndị ọrụ na-eduzi nhazi ikpeazụ na ha. Ndị a bụ fanvalvụ kpuru ìsìsna nha nke DN1450, ejiri ngwaọrụ eletrik rụọ ya. Ha enwetala ule nrụgide siri ike na ule mmeghe na mmechi ma na-eche ka a kwakọta na zipu ha.

Akụkụ nnukwu dayameta valvụ kpuru ìsì nke nwere dayameta nke DN1000 na n'elu bụ akụrụngwa bụ isi emebere iji mezuo ihe achọrọ iche nke sistemu pipeline nke nnukwu dayameta.

N'ihe banyere uru, nke mbụ bụ arụmọrụ akara ya pụtara ìhè. Ụdị valvụ a na-ejikarị usoro nkedo nke "elastic seal + metal hard seal", nke ka nwere ike nweta nkwụsị efu ọbụna n'okpuru nnukwu dayameta nke DN1000 na n'elu. Ọ dabara nke ọma maka ihe atụ nwere ihe mkpuchi siri ike dị ka gas na mgbasa ozi na-egbu egbu, na-ezere nsogbu nke ike na-enweghị isi na elu akara nke nnukwu diameters kpatara.

Nke abuo, ọ na-arụ ọrụ nke ukwuu na adaba iji rụọ ọrụ. Ihe owuwu nke fan bụ kọmpat karịa efere kpuru ìsì ọdịnala, na ịdị arọ ya bụ naanị 60% nke valvụ ọnụ ụzọ ámá nke otu dayameta. Enwere ike ijikọ ya na ngwaọrụ eletriki na pneumatic mbanye iji nweta oghere dịpụrụ adịpụ na mmechi, na-edozi nsogbu nke ọrụ ntuziaka na-arụsi ọrụ ike nke nnukwu valves dayameta. A na-achịkwa oge mmeghe na mmechi nke otu valvụ n'ime sekọnd 30, na-eme ka ọrụ ahụ dịkwuo mma.

Ọzọkwa, ọ nwere nchekwa nchekwa siri ike, nke nwere ngwaọrụ mkpọchi igwe yana ịgbanye mmachi iji gbochie mmejọ. Igwe valvụ kpuru ìsì na-eji ígwè nkedo dị elu ma ọ bụ efere ígwè welded, nke nwere ike iguzogide nrụgide dị elu (na-emekarị ruo 1.6MPa) na mmetụta, ọ dịkwa mma maka ọnọdụ ọrụ mgbagwoju anya. Tụkwasị na nke ahụ, ọnụ ahịa mmezi dị ala. Enwere ike ịkwasa akụkụ mkpuchi ma dochie ya iche na-enweghị mkpa ịkwanye pipeline dum. Ọ dabara adaba maka ọnọdụ mmepụta ihe na-aga n'ihu na sistemu pipeline nke dayameta ebe “mmechi pụtara ọnwụ”.

Ihe ngosi ngwa a na-etinyekarị na mpaghara ndị dị mkpa na-achọ akụkụ nke nnukwu dayameta: Na injinia gas nke obodo, a na-ejikarị ya na pipeline nke netwọk ikuku gas nke obodo nwere dayameta sitere na DN1200 ruo DN2000, iji nweta akụkụ nchekwa n'oge nhazi pipeline na njikọ alaka, na-ezere nnukwu nkwụsị gas. Na ikuku na ikuku distillation nkeji na catalytic cracking nkeji nke petrochemical ụlọ ọrụ, isi pipeline maka ibufe crude mmanụ na a nụchara anụcha mmanụ ngwaahịa na dayameta nke ihe karịrị DN1000 mkpa ịgbanwe ugboro ugboro ma ọ bụ ikewa ngwá ọrụ.

Njirimara mmeghe na mmechi ngwa ngwa ha nwere ike ibelata oge nkwụsị mmepụta. Na mmiri desulfurization / denitrification usoro nke ike ụlọ ọrụ, ọ bụ adabara isi flue gas pipeline na a dayameta nke DN1500 ma ọ bụ karịa, na ike ikewapụ elu-okpomọkụ flue gas (na okpomọkụ na-eguzogide ruo 300 ℃) n'oge reactor mmezi. Usoro mkpochapụ uzuzu akọrọ maka ikuku ọkụ na-agbawa na ụlọ ọrụ igwe na-achọ ka ikuku na-ebufe gas nwere dayameta nke DN1200 na n'elu ga-eguzogide mbibi nke mgbasa ozi nwere uzuzu. Ọdịdị ya ígwè siri ike akara Ọdịdị nwere ike ịrụ ọrụ kwụsie ike ruo ogologo oge.

Dị ka 20 afọ emeputa nke metallurgical valves (Electric Blind Valve), Jinbin Valves na-enye ndị ahịa ihe ngwọta nchịkwa mmiri dị elu na ọrụ otu onye. Ọ bụrụ na ị nwere ajụjụ ọ bụla metụtara, biko kpọtụrụ anyị n'okpuru na ị ga-enweta azịza n'ime 24 awa!