Okwu Mmalite nke Bellow Akara valves

Bellow(s) Akara (ed) Valves

Ntupu n'ebe dị iche iche na pipeline dị na osisi kemịkal na-emepụta ikuku. Enwere ike ịchọpụta ebe mgbapu niile dị iche iche site na iji ụzọ na ngwa dị iche iche ma onye injinia ga-ahụrịrị ya. Critical leakage ihe na-agụnye flanged gasket nkwonkwo na Valve / mgbapụta gland mbukota, wdg Taa chemical usoro ụlọ ọrụ na-gearing onwe ya kwupụta nchebe technology maka mma gburugburu ebe obibi nchebe na ọ aghọwo ọ bụla usoro engineer ọrụ chepụta osisi na-amachi mmebi gburugburu ebe obibi site na. mgbochi nke ntapu nke kemịkalụ ọ bụla na-egbu egbu.

Mwepu sitere na Valve gland ma ọ bụ igbe nrina-abụkarị nchegbu maka mmezi ma ọ bụ onye injinia ihe ọkụkụ. Nhapu a pụtara:
a) Mfu nke ihe b) Mmetọ na ikuku c) Dị ize ndụ maka ndị ọrụ osisi.

Dị ka ihe atụ, were ihe banyere ntapu nke uzuoku si na Valve gland. Na 150 PSI, mkpochapụ nke naanị 0.001 ″ site na gland ga-apụta ntapu na ọnụego 25 lb / hour. Nke a dabara na mfu nke USD 1.2 kwa elekere asatọ, ma ọ bụ USD 1,100 kwa afọ. N'otu aka ahụ, ntakịrị ntanye nke dayameta 0.4 mm kwa nkeji na-ebute mfusị ihe dị ka lita 200 kwa afọ mmanụ ma ọ bụ ihe mgbaze dị oke ọnụ. Enwere ike ibelata ntapu a nke ukwuu site na iji akara akara Valve. Isiokwu a ga-atụle ugbu a na-ewu na arụ ọrụ nke bellow akara.

Ihe owuwu Bellow

A na-agbado katrij nke bellow na ma Valve Bonnet na Valve stem. Katrij nke bellow nwere ọtụtụ convolutions na convolutions ndị a na-agbakọ ma ọ bụ gbasaa dabere na mmegharị nke Valve stem. (N'ikwu okwu sayensị, bellow na-agbakọ mgbe Valve nọ na oghere ma gbasaa mgbe Valve nọ na ọnọdụ mechiri emechi). Ọ dị mkpa ịwụnye ozu Valve nke ọma. Enwere ike mechie mgbịrịgba na Valves n'ụzọ abụọ dị iche iche. Nke mbụ, enwere ike ịgbanye mgbịrịgba ahụ na stem Valve dị n'elu yana ahụ Valve dị na ala. N'okwu a, mmiri usoro ahụ dị n'ime mgbịrịgba ma ọ bụ na usoro nke abụọ, a na-ejikọta bellow na Valve stem na ala na ahụ dị n'elu. N'okwu a, mmiri usoro ahụ dị na mpaghara anular n'etiti Valve Bonnet na bellow (si n'èzí).

Ogbe ahụ bụ akụkụ dị oke egwu ma na-etolite obi nke akara akara Valves. Iji zere ntụgharị ọ bụla nke mgbịrịgba, Valve ga-enwerịrị mkpịsị ụkwụ nwere naanị mmegharị ahịrị. Enwere ike nweta nke a site na iji ihe a na-akpọ nut-sleeve-nut na akụkụ Yoke nke Valve Bonnet. Ụkwụ aka na-adaba na nut-sleeve-nut nke na-ebufe mmegharị nke wheel wheel nke ọma n'ime usoro ahịrị n'ime eriri Valve.

Ụdị Bellow

Enwere isi ihe abụọ nke bellow: Bellow Forged na welded Bellow. A na-eme mgbịrịgba ndị a kpụrụ akpụ site n'ịtụgharị mpempe akwụkwọ dị larịị (foil mgbidi dị mkpa) n'ime tube nke na-ejikọta ogologo oge. A na-emezi tube a n'ụzọ igwe ma ọ bụ nke hydrostatically kpụrụ ka ọ bụrụ okpuru mmiri nwere mpịaji gbara okirikiri ma gbasaa ebe niile. A na-eme ụdị mpempe akwụkwọ agbadoro agbadoro site na ihicha igwe dị ka efere ọla dị mkpa ọnụ n'ime ma na mpụta nke ndị na-asa akwa - dị ka efere. Mpempe akwụkwọ agbadoro agbadoro nwere mpịaji karịa otu n'ogologo ma e jiri ya tụnyere mgbịrịgba akpara akpa. Ya mere, maka otu ogologo ọrịa strok, mgbịrịgba ndị a kpụrụ akpụ na-adị ogologo okpukpu abụọ ma ọ bụ atọ karịa akwụkwọ ibe ha gbadoro anya.

A na-ekwu na mgbịrịgba ndị a kpụrụ akpụ na-ada ada n'ebe ọ bụla, ebe akwụkwọ welded na-adakarị n'akụkụ weld ma ọ bụ nso. Iji hụ na ịbanye n'ime oghere mgbịrịgba na ịgbado ọkụ, ọ bụ ihe amamihe dị na ya ịmepụta site na iji micro plasma ịgbado ọkụ.

Nhazi Bellow

A na-ahọrọ imebe bellow multi-ply maka ijikwa mmiri nrụgide dị elu (n'ozuzu abụọ ma ọ bụ atọ nke mgbidi ígwè). Oghere ply abụọ nwere ike ịbawanye ọkwa nrụgide ya site na 80% ruo 100% ma e jiri ya tụnyere otu mgbịrịgba nke otu ọkpụrụkpụ. N'aka nke ọzọ, ọ bụrụ na a na-eji otu ply mgbịrịgba nke nha nhata na ọkwa nrụgide nke okpukpu abụọ, ogologo strok na-ebelata. Ya mere, ihe eji eme ihe n'ụdị multi-ply na-enye ohere dị iche iche karịa otu ụda olu. O doro anya na mgbịrịgba ahụ nwere ike ọgwụgwụ ígwè na ike ọgwụgwụ a nwere ike ịkpata ọdịda weld. Ndụ ike ọgwụgwụ na-emetụ n'ahụ na-emetụta ihe eji ewu ụlọ, usoro mmepụta ihe, ogologo oge strok na ugboro strok, na mgbakwunye na ihe ndị a na-emekarị dị ka mmiri ọkụ na nrụgide.

Ngwa below

Ihe mkpuchi igwe anaghị agba nchara kachasị ewu ewu bụ AISI 316Ti nke nwere Titanium iji guzogide oke okpomọkụ. N'aka nke ọzọ, Inconel 600 ma ọ bụ Inconel 625 na-eme ka ike ọgwụgwụ na nguzogide corrosion dịkwuo elu ma e jiri ya tụnyere igwe anaghị agba nchara. N'otu aka ahụ, Hastalloy C-276 na-enye nguzogide corrosion dị ukwuu na ike ike ọgwụgwụ karịa Inconel 625. Enwere ike imeziwanye ike ọgwụgwụ site n'iji usoro ịgbasa ọtụtụ ugboro na ibelata ogologo strok; nke a nwere ike ịbawanye ndụ ọrụ bellow.

Nhọrọ Valve

Ụdị Valve ndị a na-emekarị ka a na-etinye ya na mkpuchi bellow bụ ọnụ ụzọ ámá na atụmatụ ụwa (lee foto 1) .Ndị a na-adabara nke ọma maka ojiji na bellows n'ihi na ha na-arụ n'ime ime na axial ije nke Valve stem.
Dabere na ozi dị, ọ dị ka Valves akara mkpuchi dị ugbu a dị na nha site na 3 mm NB ruo 650 mm NB. Ogo nrụgide dị na ANSI 150# ruo 2500#. Nhọrọ ihe maka Valves gụnyere carbon steel, igwe anaghị agba nchara na alloys dị egwu.

Ngwa

Mgbasa mgbasa ozi na-enye ọkụ: a na-ejikarị mmanụ ọkụ eme ihe n'ụlọ ọrụ dị ka sịntetik fibers / POY (Artially Oriented Yarn). Otú ọ dị, a na-enwekarị ihe ize ndụ nke ọkụ n'ihi mmanu ọkụ na-ekpofu na kemịkal na-ere ọkụ. N'ebe a, Valves akara nwere ike ịkwụsị nkwụsị ahụ.

Vacuum/ultra high vacuum: ngwa ụfọdụ chọrọ mgbapụta agụụ ka ọ na-ewepụta ikuku na-aga n'ihu na pipeline. Valves ọ bụla a na-emekarị nke arụnyere na pipeline nwere ike ikwe ka ikuku dị n'èzí banye na pipeline site na igbe nri Valve. N'ihi ya, Valve akara bụ naanị ihe ngwọta iji gbochie ikuku gafere n'igbe nri.
Mmiri dị ize ndụ nke ukwuu: maka mgbasa ozi dịka chlorine (lee foto 2), hydrogen, amonia na phosgene, akara bellow bụ ihe dị mma maka na a na-ekpochapụ nsị kpamkpam.
Osisi nuklia, osisi mmiri dị arọ: n'ọnọdụ ebe a ga-egbochi ntapu radieshon oge niile, akara akara Valve bụ nhọrọ kacha.
Mmiri dị oke ọnụ: n'ụfọdụ ngwa, ọ dị mkpa ka a gbanarị ntapu mmiri naanị n'ihi oke ọnụ mmiri ahụ. N'ebe a, nyocha akụ na ụba na-akwadokarị iji akara akara aka Valves.
Ụkpụrụ gburugburu ebe obibi: gburugburu ụwa, ụkpụrụ gbasara ikuku na gburugburu ebe obibi na-esiwanye ike kwa ụbọchị. Ya mere ọ nwere ike isiri ụlọ ọrụ ike ịgbasa n'ime ụlọ ndị dị adị. Site na iji ihe mkpuchi mkpuchi mkpuchi, mgbasawanye na-enweghị mgbakwunye gburugburu ebe obibi
mmebi ga-ekwe omume.