Valve sealing elu-egweri usoro na egweri ngwá ọrụ ihe chọrọ valvụ adabara na-arụ ọrụ okpomọkụ na isi akụkụ ihe nhọrọ
A na-ekewa elu mkpuchi valve ụzọ abụọ nke ụgbọ elu na mkpuchi mkpuchi conical, nke ga-abụrịrị ala na nrụpụta valve. A na-eji naanị ihe egweri dị mfe na-egweri ebe valvụ akara. Manual egweri na-adịkarị eji mmiri egweri, na usoro nke udu mmiri egweri ka mgbe tinye mkpa abrasive gị n'ụlọnga, ka masịrị abrasive ahụ si na-arụ ọrụ n'elu, na mgbe niile tinye ọhụrụ abrasive ahụ, nke mere na-elu-egweri arụmọrụ. N'ihi na akara n'elu chọrọ karịsịa elu nkenke na imecha, mgbe ụfọdụ, a pịa aja efere egweri akọrọ.
Ihe ndị chọrọ maka ngwá ọrụ ngwá ọrụ
N'ime usoro ihe eji eme ihe, e nwere ihe abụọ a chọrọ maka ihe eji eme ihe: otu bụ na ihe eji eme ihe ga-adị mfe itinye n'ime ọka abrasive; Nke abụọ, ihe na-egweri ngwá ọrụ kwesịrị inwe ike ịnọgide na-enwe ọdịdị geometric ziri ezi nke ihe egweri ruo ogologo oge.
Ka abrasive ahụ dị mfe agbakwunyere, ihe eji eme ihe na-egweri kwesịrị ịdị nro karịa ihe eji arụ ọrụ. Ma ọ bụghịkwa dị nro, ma ọ bụghị na abrasive ga-abụ ọtụtụ ma ọ bụ ihe niile agbakwunyere ma belata ma ọ bụ furu efu mmetụta; Na nnukwu ihe dị nro ga-emekwa ka ngwa egweri yi ngwa ngwa. Iji gbochie ngwá ọrụ egweri ka ọ ghara ịla n'iyi geometric ya n'ihi ngwa ngwa na-eyi ngwa ngwa, ihe eji eme ihe na-egweri kwesịrị inwe ezigbo nkwụsị nke uwe, na nhazi ya kwesịrị ịdị n'otu. Uwe nke ihe nwere ihe owuwu na-edozi ahụ bụkwa otu, nke bara uru iji nọgide na-enwe nhazi geometric nke ngwá ọrụ ahụ.
Mgbe a na-egweri valvụ akara n'elu, a na-eji ihe eji eme ihe na-egweri ígwè nkedo isi awọ. Ngwá ọrụ igwe ihe nkedo isi awọ dabara adaba maka ịkwanye elu nke ihe igwe dị iche iche, ọ nwere ike nweta ịdị mma egweri na nrụpụta dị elu. A na-ejikarị ígwè nkedo isi awọ eme ihe nkedo ígwè, ọla kọpa na austenitic igwe anaghị agba nchara nke HB120-160. A na-ejikarị ígwè nkedo isi awọ HB150-190 eme ihe maka mkpuchi elu nke igwe alloy siri ike na igwe menyụọ, na akara nkedo isi awọ a na-ejikarị bụ HT150 na HT1200.
Valve akara n'elu egweri usoro
A na-ekewa elu mkpuchi valve ụzọ abụọ nke ụgbọ elu na mkpuchi mkpuchi conical, nke ga-abụrịrị ala na nrụpụta valve.
Valve sealing elu-egweri usoro nwere ụdị abụọ nke akwụkwọ ntuziaka egweri na n'ibu egweri.
(1) Ntuziaka ntuziaka nke valvụ akara elu
A na-eji naanị ihe egweri dị mfe na-egweri ebe valvụ akara. Manual egweri na-adịkarị eji mmiri egweri, na usoro nke udu mmiri egweri ka mgbe tinye mkpa abrasive gị n'ụlọnga, ka masịrị abrasive ahụ si na-arụ ọrụ n'elu, na mgbe niile tinye ọhụrụ abrasive ahụ, nke mere na-elu-egweri arụmọrụ. N'ihi na akara n'elu chọrọ karịsịa elu nkenke na imecha, mgbe ụfọdụ, a pịa aja efere egweri akọrọ.
① Akwụkwọ ntuziaka na-egweri ụgbọ elu akara nke valvụ ahụ. Ụgbọ elu valvụ ahụ dị n'ime oghere valvụ ahụ, egweri siri ike. Ọtụtụ mgbe, a na-eji ngwá ọrụ egweri nke yiri diski nwere oghere square, nke a na-etinye n'elu akara nke oghere dị n'ime, mgbe ahụ, a na-eji ogologo aka nke nwere isi square na-akwọ ụgbọala na-egweri diski maka ịkwagharị. Enwere onye isi cylindrical ma ọ bụ onye ndu gasket na efere egweri iji gbochie ngwa egweri ịhapụ mgbanaka akara n'elu akụkụ ụfọdụ n'oge usoro egweri na-eme ka igwe anaghị agba nchara. Ọgụgụ 8-6-5 na-egosi eserese nke akwụkwọ ntuziaka egweri nke valvụ ọnụ ụzọ ámá na valvụ ụwa.
Ọgụgụ 8. Iji akwụkwọ ntuziaka egweri nke ụgbọ elu 1 6 5
Tupu egweri n'okpuru ụgbọ elu akara nke valvụ ahụ, a ga-eji kerosene ma ọ bụ mmanụ ụgbọala na-ehichapụ ihu na-arụ ọrụ nke ngwá ọrụ na-egweri, a ga-ewepụkwa ihu na-efe efe na burr n'elu akara nke valve ahụ, wee kpuchie ya na oyi akwa. nke abrasive n'elu akara akara. Tinye n'ime oghere ahụ, ka ọ dabara nke ọma n'elu akara akara, wee jiri ogologo aka mee efere pestle maka ntụziaka dị mma na nke na-adịghị mma.
Tụgharịa mmegharị. Tụgharịa n'aka elekere 180º, elekere 90 na ihu elekere, na ihe ndị ọzọ. N'ozuzu, mgbe ị tụgharịrị ihe karịrị ugboro iri, a na-eme ka ihe ndị na-egbuke egbuke na-eme ka ihe na-egbuke egbuke na-egbuke egbuke, n'ihi ya, a na-ebuli efere na-egweri ka ọ gbakwunye ihe ọhụrụ abrasive.
Nrụgide egweri kwesịrị ịbụ otu na ekwesịghị ibu oke. Nrụgide nyocha siri ike nwere ike ibu ibu: ezigbo nyocha kwesịrị ịdị obere. Ekwesịrị ịṅa ntị ka ị ghara itinye nrụgide ma mee ka ngwá ọrụ egweri bụrụ akụkụ nke ụgbọ elu akara. Mgbe egweri ruo oge ụfọdụ, iji lelee roughness nke workpiece. N'oge a, ị nwere ike wepụ pestle ahụ, jiri mmanụ ọkụ ma ọ bụ mmanụ ụgbọala hichaa ebe a na-emechi ihe, wee jiri nwayọọ tinye efere nyocha nke yiri diski n'elu akara akara wee jiri nwayọọ dọrọ ya n'aka. Mgbe emechara efere dị larịị, enwere ike ịhụ akara kọntaktị n'elu akara akara. Mgbe mgbanaka akara elu na-egosi kọntaktị trace even, na ruru nke radial kọntaktị obosara na sealing elu obosara (ya bụ, akara n'elu na ule efere nke ndakọrịta) ruru kpọmkwem uru na usoro, na roughness nwere ike ịbụ. weere na o ruru eru.
② Akwụkwọ ntuziaka nke efere ọnụ ụzọ ámá na valvụ diski akara ụgbọelu. Ụgbọ elu akara nke ọnụ ụzọ ámá, diski na oche nwere ike iji aka na-eji efere egweri. Tupu arụ ọrụ ahụ, a na-ekpuchi efere ahụ dị ọcha nke ọma na akwa oyi akwa nke abrasive, na workpiece na-ejikọta ya na efere ahụ ma nwee ike ịtụgharị ma mee ya n'ahịrị kwụ ọtọ site na aka, dị ka e gosiri na Figure 8-6-6, ma ọ bụ na Figure. 8 ngagharị. Enwere ike imeziwanye arụmọrụ na-egweri n'ihi na a na-agbanwe ntụziaka mmegharị ahụ mgbe niile na ihe ndị na-ekpo ọkụ na-egweri na ntụziaka ọhụrụ.
Ọgụgụ 8. Akwụkwọ ntuziaka na-egweri elu akara nke ọnụ ụzọ 6-6
Iji zere iyi na-enweghị isi nke efere egweri, ọ bụghị mgbe niile na-egweri n'etiti efere ahụ, ma kwesịrị ịdị na-agbanwe mgbe niile n'elu efere ahụ, ma ọ bụghị ya, efere efere ga-efunahụ ziri ezi.
The DISC na valvụ oche akọrọ wedge udi, sealing ụgbọ elu na gburugburu nke arọ bụ ihe na-ezighị ezi, egweri kwesịrị na ya mkpa ọgwụgwụ (nke a makwaara dị ka "obere isi") tinye ubé ibu mgbali, nke mere na annular akara ụgbọ elu mgbali edo edo. , ka ọ ghara ime ka workpiece wedge Angle mgbanwe.
Enwere ike iji igwe ihe eji eme ihe mgbanaka diski oghere, usoro egweri na valvụ akara elu bụ otu ihe.
Taper akara n'elu aka egweri. Ichicha elu akara akara chọrọ iji mkpanaka ma ọ bụ aka aka. TAPER OF THE PESTLE AND PESTLE SLEEVE ga-adaba na taper nke ihu mkpuchi valvụ ahụ ma ọ bụ ihu mkpuchi diski, n'otu n'otu. E kwesịrị inwe oghere okirikiri na-emighị emi na cone nke mkpanaka igwe na-egweri na ogwe aka nke anụ ọkụkọ na-egweri na plọg iji chekwaa ndị na-eme ihe na-adịghị mma. Mgbe ị na-egweri ahụ valvụ ụwa, n'ihi na cone akara dị mkpụmkpụ na nkwụsi ike na-adịghị mma, a na-agbakwunyekarị efere ndu na nkwụsị flange na valvụ ahụ iji mee ka mkpanaka egweri kwụsie ike. Onyonyo 8-6-7 na-egosi eserese schematic nke iji akwụkwọ ntuziaka egweri nke elu akara conical.
Ọgụgụ 8-6-7 Aka egweri nke conical akara elu
Mgbe ị na-egweri conical sealing elu, tinye a oyi akwa nke abrasive gị n'ụlọnga ọbụna na kpochara egweri ngwá ọrụ, ejighị ya kpọrọ tinye ya n'elu nke workpiece, wee pịa na egweri ngwá ọrụ na aka na-atụgharị na-egweri ngwá ọrụ: mgbe 3 ka 4 izu nke ntụgharị. , a pụrụ ịdọrọ ngwá ọrụ egweri iji gbanwee ọnọdụ okirikiri tupu egweri. Ekwesịrị ịgbakwunye abrasives ugboro ugboro n'oge a na-egwe nri.
The taper nke egweri mkpara nke egweri n'ike mmụọ nsọ ahu na-egweri ogwe aka nke egweri plọg kwesịrị agbanwe agbanwe, ma ọ ga-adị mfe ntapu n'etiti tapered akara elu mgbe egweri.
Otu n'ime ihe ndị dị mkpa na nhazi valve na nhọrọ ihe bụ okpomọkụ na-arụ ọrụ nke valve. Iji mee ka ọnọdụ okpomọkụ dị mma na-arụ ọrụ nke isi ihe nke valvụ ahụ, a na-akọwapụta okpomọkụ na-arụ ọrụ kwesịrị ekwesị na ihe ndị metụtara ya site na ihe onwunwe nke ụdị ígwè dị iche iche na No. nyocha nke ngwaahịa valvụ. Tụkwasị na nke ahụ, site na akụkụ nke njikwa teknụzụ, njikwa mmepụta na ịzụ ahịa ihe, a na-ahọrọ ihe valvụ nwere nhazi usoro kachasị mma.
1 nyocha
Otu n'ime ihe ndị dị mkpa na nhazi valvụ na nhọrọ ihe bụ valvụ na-arụ ọrụ okpomọkụ. Iji mee ka ọnọdụ okpomọkụ dị mma na-arụ ọrụ nke isi ihe nke valvụ ahụ, a na-akọwapụta okpomọkụ na-arụ ọrụ kwesịrị ekwesị na ihe ndị metụtara ya site na ihe onwunwe nke ụdị ígwè dị iche iche na No. nyocha nke ngwaahịa valvụ. Tụkwasị na nke ahụ, site na akụkụ nke njikwa teknụzụ, njikwa mmepụta na ịzụ ahịa ihe, a na-ahọrọ ihe valvụ nwere nhazi usoro kachasị mma.
2.1 ** okpomọkụ valvụ ihe
** valvụ okpomọkụ [-254 (mmiri hydrogen) ~ -101 ℃ (etylene)] isi ihe ga-ahọrọ ihu centered cubic lattice austenitic igwe anaghị agba nchara, ọla kọpa alloy ma ọ bụ aluminum alloy, ya ala okpomọkụ n'ibu Njirimara mgbe okpomọkụ ọgwụgwọ, karịsịa ala okpomọkụ. mmetụta siri ike ga-enwerịrị ihe achọrọ nke ọkọlọtọ.
Enwere ike iji igwe anaghị agba nchara austenitic na-esote valvụ ọkụ. ASTM A351 CF8M, CF3M, CF8 na CF3, ASTM A182 F316, F316L, F304 na F304L, ASTM A433 316, 316L, 304, 304L na CF8D (mepụtara site na Lanzhouctory High Pressure Valve Factory). ** Ahụ, mkpuchi, ọnụ ụzọ ma ọ bụ diski nke valvụ ọkụ ga-abụ cryogenized na nitrogen mmiri mmiri (-196 ℃) tupu agwụchaa.
Oge nzipu: Ọgọst-24-2022
