1Ngwa jikọtara ọnụ nke valvụ nchekwa na diski gbawara agbawa
1. A na-etinye diski na-agbawa agbawa n'ọnụ ụzọ nke valvụ nchekwa - uru kachasị mma nke ntọala a bụ na diski na-agbawa agbawa ga-ekewapụ valvụ nchekwa na usoro usoro mbubata, na usoro ahụ enweghị nkwụsị.A naghị emebi valvụ nchekwa site na mgbasa ozi usoro, nke nwere ike belata ọnụ ahịa valvụ nchekwa.Ozugbo sistemụ ahụ kwụsịrị, diski na-agbawa na valvụ enyemaka nwere ike ịgbawa n'otu oge wee malite iwepụ nrụgide.Mgbe nrụgide sistemụ na-alaghachi na nkịtị, valvụ nchekwa nwere ike mechie na-akpaghị aka, na-ebelata oke ọnwụ nke ọkara.
2. A na-etinye diski na-agbawa na nkwụsị nke valvụ nchekwa.Uru kachasị dị na ntọala a bụ na diski gbawara agbawa ga-ekewapụ valvụ nchekwa na pipeline ntọhapụ ọha na ọpụpụ.
2 Nrụgide akụrụngwa na nhọrọ nke ngwa nchekwa
1. Ngwá ọrụ overpressure
Nfefe oke - n'ozuzu na-ezo aka na nrụgide arụ ọrụ kachasị na akụrụngwa karịrị ikike ikike nke akụrụngwa.E kewara oke nrụgide akụrụngwa n'ime oke nrụgide anụ ahụ na oke nrụgide kemịkalụ
Nrụgide dị na nhazi akụrụngwa bụ nrụgide nlele
Mbelata nke anụ ahụ - Mmụba nke nrụgide adịghị akpata mmeghachi omume kemịkalụ na ọkara ebe naanị mgbanwe anụ ahụ na-eme.Kemịkalụ overpressure - ịrị elu nke nrụgide sitere na mmeghachi omume kemịkal na ọkara
(1) Ụdị nrụgide anụ ahụ na-emekarị
①Nrụgide nke ukwuu kpatara site n'ịchịkọta ihe na akụrụngwa na enweghị ike ịhapụ ya n'oge;
②Overpressure kpatara site na mgbasawanye ihe nke okpomọkụ (ọkụ);
③Nrụgide nke ukwuu nke na-akpata site n'otu oge mgbakasị ahụ;ịrị elu nrụgide mpaghara na-akpata site na mmechi mberede na ngwa ngwa nke valvụ, dị ka "hama mmiri" na "hama steam";na mgbakwunye na njedebe nke ọkpọkọ uzuoku, uzuoku na-ajụ oyi ngwa ngwa, oghere oghere mpaghara, na-ebute ngwa ngwa uzuoku na njedebe.A na-etolite ujo, na-ebute oke nrụgide yiri mmetụta "hama mmiri".
(2) Ụdị mmegide nke kemịkalụ na-emekarị
①Mwepu nke gas combustible (aerosol) na-akpata oke nrụgide
②ụdị ọ bụla nke organic na inorganic combustible uzuzu combustion na mgbawa na-akpata overpressure
③njikwa mmeghachi omume kemịkalụ exothermic na-ebute oke nrụgide
2. Ngwá ọrụ enyemaka nrụgide
①Ụkpụrụ ntọhapụ echekwara
Ngwá ọrụ overpressure, akụrụngwa na ngwa nchekwa ngwa ngwa, a ga-ahapụ mgbasa ozi overpressure n'oge iji chebe akpa ahụ.A na-achọrọ iji nweta ego ole a na-emepụta n'otu oge, na enwere ike ịwepụ ọdụ ụgbọ mmiri n'ime otu oge.Mbelata nrụgide nrụgide kwa oge nkeji dị ukwuu karịa mmụba nrụgide, na nrụgide kachasị na akụrụngwa dị obere karịa ikike ikike nke akụrụngwa.
②Ngwa enyemaka nke oke nrụgide
A na-ekewa ụkpụrụ ọrụ ahụ ụzọ abụọ: enyemaka nrụgide na oke okpomọkụ
Ngwa enyemaka nrịbama nke ukwuu: valve enyemaka nrụgide na diski gbawara agbawa.
Ụkpụrụ na-arụ ọrụ nke diski mgbawa
Mgbe a ruru nrụgide mgbawa n'ime akụrụngwa, diski na-agbawa ga-agbawa ozugbo na ọwa ntọhapụ ga-emeghe kpamkpam.
Uru:
①Mmetụta, nke ziri ezi, ntụkwasị obi, enweghị ntapu.
②Ọnụ ọgụgụ nke ebe a na-emepụta ihe adịghị ejedebe, na elu kwesịrị ekwesị dị obosara (dị ka okpomọkụ dị elu, nrụgide dị elu, ezi ohere, corrosion siri ike, wdg).
③Ọdịdị dị mfe, mmezi dị mma na njirimara ndị ọzọ a ma ama nke adịghị ike: enweghị ike mechie ọwa mgbe emepechara, ihe niile na-efunahụ.
3 Nhazi na njirimara nhazi nke diski gbawara agbawa
1. Nhazi nke diski gbawara agbawa
Enwere ike kewaa ụdị diski ahụ na-agbawa ka ọ bụrụ diski diski dị mma (mgbakọ concave), diski mgbochi arch (convex compression), efere dị larịị na diski graphite.
Enwere ike kewaa ọdịda akụrụngwa nke diski gbawara n'ime ụdị ọdịda tensile, ụdị ọdịda na-akwụghị ụgwọ na ịgbagọ ma ọ bụ ịkpụ akwa.Enwere ike kewaa diski ike na-emebi ihe na-emebi emebi, na-enwe nrụgide mgbakasị na diaphragm, n'ime: ụdị nkịtị, ụdị mgbawa, ụdị efere efere, ụdị mgbawa mgbawa na ụdị mpempe akwụkwọ.Enwere ike kewaa ụdị mgbaji na-adịghị ahụkebe na-agbawa diski, nrụgide mkpakọ na diaphragm, nwere ike kewaa n'ime: ụdị mma mgbanaka mgbanaka, ụdị nha nha anya, mgbanaka eriri eriri eriri ma ọ bụ mgbawa diski ike, ọdịda diaphragm shiee ọdịda: tumadi na-ezo aka na nhazi ihe niile, dị ka graphite nke diski gbawara agbawa.
2. Ụdị nkịtị na koodu nke diski gbawara agbawa
(1) Ihe eji arụ ọrụ nke diski na-eme n'ihu - mkpakọ concave, mmebi tensile, nwere ike ịbụ otu oyi akwa ma ọ bụ multi-layer, koodu nwere "L" mmalite.Nhazi nke diski diski dị mma: ụdị diski nkịtị nke ọma, koodu: LP positive arch groove ụdị diski diski, koodu: LC positive arch slotted disc bursting, koodu: LF
(2) n'ichepụta ihe eji arụ ọrụ - mkpakọ convex, mmebi enweghị ike, nwere ike ịbụ otu oyi akwa ma ọ bụ multi-layer, koodu nwere mmalite "Y".Nkewa nke reverse arch bursting diski: Reverse arch na mma ụdị diski na-agbawapụta, koodu: YD reverse arch alligator nha nha nha diski, koodu: YE reverse arch cross groove ụdị (welded) mgbawa diski, koodu: YC (YCH) reverse arch mgbanaka oghere. ụdị diski mgbawa, koodu: YHC (YHCY)
(3) Nchegbu e ji mara ewepụghị ekara bursting diski - nke nta nke nta deformation na arch mgbe nrụgide iru eru mgbali tensile ọdịda, nwere ike ịbụ otu oyi akwa, multi-layer, koodu na "P" mmalite.Nkewa nke ewepụghị efere gbawara diski: flat plate with groove type bursting disc, code: PC flat plate slit type bursting disc, code: PF (4) Graphite bursting disc Mechanical character of the bursting disc – mebiri site shii edinam.Koodu mpaghara:: PM
3. ụdị dị iche iche nke mgbawa diski ndụ àgwà
Emebere diski niile na-agbawa agbawa ma rụpụta ya dịka ndụ kacha si dị, na-enweghị ọnụọgụ nchekwa.Mgbe ruru nrụgide mgbawa akọwapụtara, ọ ga-agbawa ozugbo.Ndụ nchekwa ya dabere n'ụdị ngwaahịa ahụ, njirimara nrụgide yana oke nrụgide arụ ọrụ na nrụgide mgbawa kacha nta - ọnụego ọrụ.Iji hụ na ejiri diski na-agbawa ogologo oge, ISO4126-6 ọkọlọtọ mba ụwa Ngwa, nhọrọ na ntinye nke ngwaọrụ nchekwa diski na-akọwapụta oke ikike ọrụ nke diski diski n'ụdị dị iche iche.Iwu ndị a bụ:
①Nkịtị arch bursting diski - kacha arụ ọrụ ọnụego≤0,7 ugboro
②nti arch groove na nti arch slit bursting diski - kacha ọrụ ọnụego≤0,8 ugboro
③ụdị ọ bụla nke reverse arch bursting diski (na uzo, na mma, wdg) - kacha ọrụ ọnụego≤0,9 ugboro
④Diski gbawara agbawa dị larịị - ọnụego ọrụ kacha elu≤0,5 ugboro
⑤graphite bursting diski - kacha arụ ọrụ ọnụego≤0,8 ugboro
4. Jiri njirimara nke diski na-agbawa
①Àmà nke arch normal type bursting disc (LP)
A na-ekpebi nrụgide na-agbawa site na ọkpụrụkpụ nke ihe na dayameta nkwụsị, ma na-ejedebe site na ọkpụrụkpụ na dayameta nke diaphragm.Oke nrụgide arụ ọrụ agaghị agafe oge 0.7 nke nrụgide mgbawa kacha nta.Mgbawa ga-emepụta irighiri ihe, enweghị ike iji ya mee ihe na-ere ọkụ na ihe mgbawa ma ọ bụ ghara ikwe ka ọ nwee oge irighiri ihe (dịka n'usoro na valvụ nchekwa), nguzogide ike ọgwụgwụ.Enweghi ike nkedo na gburugburu gburugburu dị mfe ime ka gburugburu ahụ tọpụ ma daa, na-ebute mbelata nrụgide mgbawa.N'ozuzu obere mmebi agaghị emetụta nrụgide mgbawa.Kwesịrị ekwesị maka mgbasa ozi gas na mmiri mmiri
②Njirimara mgbawa nrụgide nke groove type bursting disc (LC)
In ogologo njiko eriri na tumadi kpebisiri ike site uzo omimi, nke siri ike imepụta.Oke nrụgide ọrụ nke diski gbawara agaghị agafe oge 0.8 nke nrụgide mgbawa kacha nta.Na-agbawa agbawa n'akụkụ oghere ndị na-adịghị ike na-ekewa, enweghị ihe mkpofu, enweghị ihe a chọrọ maka iji ihe omume ahụ, ezigbo ike ọgwụgwụ.Enweghị ike nkedo gburugburu gburugburu dị mfe iji mee ka oghere ahụ tọpụ ma daa, na-ebute mbelata nrụgide mgbawa na irighiri ihe.Ọ bụrụhaala na obere mmebi adịghị eme na oghere, nrụgide mgbawa agaghị agbanwe nke ọma.Kwesịrị ekwesị maka mgbasa ozi gas na mmiri mmiri
③A na-ekpebi nrụgide mgbawa nke ụdị diski mgbape kwụ ọtọ (LF) site na oghere oghere, nke dabara adaba maka imepụta ya ma jiri ya mee ihe n'oge nrụgide dị ala.Jide n'aka na nrụgide ọrụ kachasị elu enweghị ike ịgafe oge 0.8 nke nrụgide mgbawa kacha nta.Enwere ike ịmepụta obere iberibe n'oge a na-agbawa agbawa, ma site n'ichepụta ụkpụrụ ezi uche dị na ya, a pụghị imepụta iberibe iberibe na ike ọgwụgwụ bụ ihe nkịtị.Enweghi ike nkedo na gburugburu gburugburu dị mfe ime ka gburugburu ahụ tọpụ ma daa, na-ebute mbelata nrụgide mgbawa.Ọ bụrụ na mmebi ahụ emeghị na obere mmiri mmiri, ọ gaghị eme mgbanwe dị ukwuu na nrụgide mgbawa
1. Nrụgide mgbawa nke YD na YE na-agbawa diski na-ekpebikarị site na ọkpụrụkpụ nke oghere na ịdị elu nke arch.A na-ejikarị ụdị YE eme ihe maka nrụgide dị ala.Mgbe nrụgide na-arụ ọrụ kachasị na-erughị 0.9 ugboro nke kacha nta na-agbawa agbawa, diaphragm ga-atụgharị na mmetụta na agụba ma ọ bụ ndị ọzọ nkọ ihe owuwu na-agbajikwa, ọ dịghị irighiri ihe ga-eme, na ike ọgwụgwụ dị nnọọ mma.Mgbe nke ọ bụla gbawara mma gripper, a ga-arụzi mma ahụ maka ezughị ezu clamping ike ma ọ bụ mebie n'elu arch elu nke diski gbawara agbawa, nke ga-eduga ná ịrịba mbelata nke mgbawa nrụgide, na oké njọ pụta na ọdịda nke imeghe ọdụ ụgbọ mmiri ntọhapụ. .Ekwesịrị ịkpachara anya n'oge ntinye.Ọ na-arụ ọrụ naanị n'ụdị gas
2. Oke kachasị arụ ọrụ nke ụdị azụ azụ cross-groove (YC) na backarch cross groove welded (YCH) diski bursting enweghị ike ịbụ ihe karịrị 0.9 ugboro nke kacha nta na-agbawa nrụgide.Mgbawa ahụ dị n'akụkụ oghere ahụ na-esighị ike gbajie n'ime valvụ anọ, enweghị mkpọmkpọ ebe, ike ọgwụgwụ dị mma nke ukwuu, na enweghị mgbawa nke diski gbawara agbawa nwere ike ịbụ kpamkpam.Enweghi ike njigide ma ọ bụ mmebi nke elu elu nke diski gbawara agbawa ga-eduga n'ịbelata nrụgide mgbawa, na mmebi dị njọ ga-eme ka enweghị ike imeghe ọdụ ụgbọ mmiri ntọhapụ.Ekwesịrị ịkpachara anya n'oge ntinye.Ọ na-arụ ọrụ naanị n'ụdị gas
3. Oke kacha arụ ọrụ nke reverse arch ring groove bursting disc (YHC/YHCY) abụghị ihe karịrị 0.9 ugboro nke kacha nta mgbawa nrụgide.A na-agbaji ya n'akụkụ oghere adịghị ike na-enweghị ihe mkpofu na ezigbo ike ọgwụgwụ.Enweghi ike njigide ma ọ bụ mmebi nke elu elu nke diski gbawara agbawa ga-eduga n'ịbelata nrụgide mgbawa, na mmebi dị njọ ga-eme ka enweghị ike imeghe ọdụ ụgbọ mmiri ntọhapụ.Ekwesịrị ịkpachara anya n'oge ntinye.Kwesịrị ekwesị maka ikuku gas na mmiri mmiri
4, ewepụghị efere uzo ụdị (PC) e ji mara nke wuwa nrụgide tumadi kpebisiri ike site uzo omimi, n'ichepụta siri ike, karịsịa ike maka ala mgbali obere dayameta n'ichepụta.Nrụgide kachasị arụ ọrụ nke efere dị larịị nwere oghere anaghị adịkarị karịa oge 0,5 nke nrụgide mgbawa kacha nta.Na-agbawa n'akụkụ mgbape na-adịghị ike, ọ dịghị ihe mkpofu, ọ dịghị ihe achọrọ maka iji ihe omume ahụ, ike ọgwụgwụ na-adịghị mma bụ ezughị ezu na-ejikọta ike, dị mfe na-eduga n'ọgba aghara gbara ya gburugburu, na-akpata mbelata nrụgide mgbawa, irighiri ihe.Ọ bụrụhaala na obere mmebi adịghị eme na oghere, nrụgide mgbawa agaghị agbanwe nke ọma.Kwesịrị ekwesị maka mgbasa ozi gas na mmiri mmiri
5, efere dị larịị gbawara agbawa diski (PF)②Ụdị mgbawa efere dị larịị (PF).
N'ozuzu, oke nrụgide ọrụ enweghị ike ịfefe 0,5 ugboro nke mgbawa kacha nta.Enwere ike iwepụta obere iberibe n'oge a na-agbawa agbawa, ma ọ dịghị iberibe ihe a pụrụ imepụta site na nhazi ezi uche dị na ya, ike ọgwụgwụ adịghịkwa mma.Enweghi ike nkedo na gburugburu gburugburu dị mfe ime ka gburugburu ahụ tọpụ ma daa, na-ebute mbelata nrụgide mgbawa.Ọ bụrụhaala na obere mmebi adịghị eme na akwa mmiri dị n'etiti oghere, nrụgide mgbawa agaghị agbanwe nke ọma.A na-ejikarị eme ihe na oge gas
graphite gbawara diski
Nrụgide ọrụ kachasị elu enweghị ike gafere oge 0,8 nke nrụgide mgbawa kacha nta, irighiri ihe mgbawa, ike ọgwụgwụ na-adịghị mma.Ọ nwere ezigbo nguzogide corrosion dị iche iche, mana enweghị ike iji ya maka acid oxidizing siri ike dabara maka gas na usoro mmiri mmiri.
4 Iwu maka ịkpọ diski mgbawa aha
Ụdị dayameta koodu - imewe mgbawa nrụgide - imewe okpomọkụ na-agbawa, dị ka YC100-1.0-100 nlereanya YC, imewe mgbawa nrụgide 1.0MPa, imewe na-agbawa okpomọkụ 100℃na-egosi na imewe mgbawa nrụgide nke diski gbawara na 100℃bụ 1.0MPa.
Oge nzipu: Dec-02-2022