Ngwa teknụzụ ịgbado ọkụ nke ntụ ntụ plasma na valvụ akara elu n'ichepụta

Ngwa teknụzụ ịgbado ọkụ nke ntụ ntụ plasma na valvụ akara elu n'ichepụta

A, mmejọ valvụ nkịtị na ihe kpatara eji valvụ eme ihe na usoro mmejọ ndị a na-emekarị bụ: 1. Ntugharị nke stem adịghị agbanwe agbanwe ma ọ bụ rapagidesi ike ma ọ bụ rapaara, isi ihe kpatara ya bụ: nrụgide nkwakọ dị oke siri ike; Igbe nkwakọ ngwaahịa abụghị ọkọlọtọ; Valve stem na stem bushing na-eji otu ihe ma ọ bụ nhọrọ ihe adịghị mma; Enweghi oke oghere n'etiti azuokokoosisi na bushes; Valve stem na-ehulata; Achọghị ịdị nhịahụ elu eriri.
Nke mbụ, ọdịda nkịtị nke valvụ na ihe kpatara ya
Mmejọ ndị a na-emekarị n'iji valves bụ:
1. Ahịhịa ahụ anaghị atụgharị na-agbanwe agbanwe ma ọ bụ rapaara
Ntugharị azuokokoosisi anaghị agbanwe agbanwe ma ọ bụ rapaara, isi ihe kpatara ya bụ: ịkwakọba nrụgide siri ike; Igbe nkwakọ ngwaahịa abụghị ọkọlọtọ; Valve stem na stem bushing na-eji otu ihe ma ọ bụ nhọrọ ihe adịghị mma; Enweghi oke oghere n'etiti azuokokoosisi na bushes; Valve stem na-ehulata; Ọ dịghị mkpa n'elu eriri eriri.
2. The akara n'elu ntapu
Isi ihe mere eji mechie ntapu elu elu bụ: imechi mmebi elu, dị ka indentation, abrasion, waya gbajiri n'etiti; Enwere unyi jikọtara n'etiti elu akara ma ọ bụ ejikọtaghị mgbanaka akara nke ọma.
3. Nkwakọ ngwaahịa na-agbapụta
Ihe kpatara ịkwakọba ntapu bụ: anaghị agbanye efere nrụgide; Mbukota ezughi oke; Mbukota n'ihi adịghị mma nchekwa na ọdịda; Okirikiri nke valvụ ahụ gafere nke a kapịrị ọnụ ma ọ bụ elu nke valvụ ahụ nwere ncha, ahịrị, ntutu na ntụpọ siri ike; Nkwakọ ngwaahịa dị iche iche, nha nhazi ma ọ bụ ịdịmma anaghị emezu ihe achọrọ.
4. Njikọ dị n'etiti valvụ ahụ na mkpuchi valvụ na-agbapụta
Ihe ndị nwere ike ịkpata ya bụ: njigide nke bolts na nkwonkwo flange na-akpata tilt nke flange, ma ọ bụ ezughị ezu tightening nke bolts, na mmebi nke njikọ elu nke valvụ ahụ na valvụ mkpuchi; The gasket mebiri emebi ma ọ bụ na-emezughị ihe a chọrọ; Flange nkwonkwo elu adịghị myirịta, flange machining elu adịghị mma; Ahịhịa ịhịa aka n'ahụ na eriri stem na-arụ ọrụ adịghị mma nke na-ebute mkpuchi valvụ tilt.
5. Ọnụ ụzọ ámá na-egbochi mkpuchi valvụ
Mgbe valvụ ọnụ ụzọ emeghe na steeti mepere emepe, mgbe ụfọdụ enweghị ike imeghe ọnụ ụzọ ámá ahụ, na nnyonye anya n'etiti ọnụ ụzọ ámá na mkpuchi valvụ na-eme. Ihe kpatara ya bụ na etinyeghị ọnụ ụzọ ámá nke ọma ma ọ bụ geometry nke mkpuchi valvụ adịghị emezu ihe ndị a chọrọ kpọmkwem na ọkọlọtọ.
6. Anaghị emechi ebule nke ọma
Isi ihe kpatara ụdị ọnọdụ a bụ: ike mmechi ezughị; N'etiti valvụ oche na ọnụ ụzọ ámá n'ime irighiri ihe; A naghị edozi elu elu valve akara nke ọma ma ọ bụ mebie ya.
7. Akụkụ ndị ọzọ, dị ka trachoma na mkpuchi elu nke mgbawa nke nkedo na-akpata, ga-emetụtakwa valvụ a na-ejikarị eme ihe, na ekwesịrị ịme usoro ndị kwekọrọ na ya iji dozie.
Abụọ, valvụ nkịtị ngwọta ngwọta
Dị ka mmejọ ndị dị n'elu si dị, a ga-eme ụzọ dị iche iche iji dozie ha dịka ọnọdụ dị adị. A na-egosipụta ngwọta kpọmkwem na tebụl.
Nke atọ, nkwubi okwu
Iji hụ na ojiji nke valvụ ahụ na-ejikarị eme ihe, na mgbakwunye na dị ka ikpebi ihe kpatara ya kpatara ya mere n'ụzọ ziri ezi na nyocha, ma mee ihe ndị kwekọrọ na ya iji dozie ya, kwesịkwara iwusi njikwa nke valvụ ahụ ike, na-arụ ọrụ nlekọta na nyocha kwa ụbọchị. , dị ka ibelata ọdịda valvụ ma na-abawanye ọnụego iguzosi ike n'ezi ihe nke valvụ ahụ, na-eme ka ọ na-egwukwu maka ọdụ ụgbọ mmiri na-ebufe na mmepụta ihe nke ịba uru.
Ngwa teknụzụ ịgbado ọkụ plasma ntụ ntụ na valve akara n'elu imepụta usoro PPW kama iji ntuziaka arc surfacing (ma ọ bụ ọkụ ọkụ ọkụ), ** nwere ike inye egwuregwu zuru oke na njirimara nke usoro PPW, wee gosipụta uru pụrụ iche. Nke a bụ n'ihi na valvụ na-ekpuchi elu bụ "obi" nke valvụ ahụ, valvụ nke na-emepụta ihe na-emepụta ihe na-emepụta ihe na-ejikọta ya na àgwà na ndụ ọrụ nke valvụ ahụ, ma na-ejikọta ya na ọnụ ahịa mmepụta nke valve. Elu mkpuchi nke valvụ ahụ chọrọ ụfọdụ ihe siri ike na ịdị n'otu siri ike, ezigbo nguzogide abrasion na ụfọdụ nguzogide corrosion, na ihe mejupụtara nke alloy nwekwara ihe ndị kwekọrọ.
Uru nke ngwa na valve akara n'ichepụta elu
Iji usoro PPW kama iji ntuziaka arc surfacing (ma ọ bụ ọkụ ọkụ ọkụ ọkụ) na valve sealing elu n'ichepụta, ** nwere ike inye egwuregwu zuru oke na njirimara nke usoro PPW, ma gosipụta uru pụrụ iche. Nke a bụ n'ihi na valvụ na-ekpuchi elu bụ "obi" nke valvụ ahụ, valvụ nke na-emepụta ihe na-emepụta ihe na-emepụta ihe na-ejikọta ya na àgwà na ndụ ọrụ nke valvụ ahụ, ma na-ejikọta ya na ọnụ ahịa mmepụta nke valve. Elu mkpuchi nke valvụ ahụ chọrọ ụfọdụ ihe siri ike na ịdị n'otu siri ike, ezigbo nguzogide abrasion na ụfọdụ nguzogide corrosion, na ihe mejupụtara nke alloy nwekwara ihe ndị kwekọrọ.
N'ihi na nnukwu olu na dịgasị iche iche nke ọkara okpomọkụ na mgbali valves na elu mgbali valves, corrosion eguzogide valvụ, akara elu bụ isi mere alloy surfacing. N'ihi ọnụ ọgụgụ dị elu nke dilution nke metal ntọala, ihe mkpuchi nke otu-layer arc enweghị ike imezu ihe ndị a chọrọ nke siri ike na ngwakọta alloy. N'ozuzu, 2-3 layers kwesịrị ịdị n'elu. Ngwunye elu nke okpomọkụ dị elu na valvụ nrụgide na-eguzogide corrosion na-achọ ka ọ dị elu nke cobalt base dị oké ọnụ ahịa ma ọ bụ nickel base alloy, iji akwụkwọ ntuziaka, ntinye ihe dị ala, na àgwà siri ike ịhụ. Ntugharị akwụkwọ ntuziaka dị nnọọ njọ na ọnụ ọgụgụ nke ịkpụcha ígwè dị ukwuu, nke bụkwa otu n'ime ihe ndị na-emetụta ọnụ ahịa mmepụta ihe. A nakweere usoro PPW, yana njirimara usoro ya bụ ezigbo ngwọta iji dozie ọtụtụ nsogbu nke ntinye aka nke elu valve akara:
Nkà na ụzụ ịgbado ọkụ nke Plasma ntụ ntụ nwere uru
1, n'ihi na isi metal dilution ọnụego nwere ike ịchịkwa, monolayer ịgba ịgbado ọkụ nwere ike nweta ihe ndị chọrọ nke ekweghị ekwe uniformity na alloy mejupụtara, zọpụta ego nke alloy.
2, karịsịa adabara ịgba ịgbado ọkụ dị oké ọnụ cobalt base na nickel base alloy, ịgba ịgbado ọkụ oyi akwa nke ezigbo mma, elu alloy itinye n'ọrụ ọnụego, ọ bụghị iji hụ na àgwà na ibelata akara n'elu n'ichepụta na-eri.
3, n'ihi na a na-emepụta oyi akwa ịgbado ọkụ nke ọma, elu ahụ dị mma ma dị mma, enwere ike ịchịkwa nha nha nke ọma, ya mere ọ dị mfe ịkpụ ma belata oge ọrụ nke nhazi nhazi.
4, iji ígwè alloy ịgba ịgbado ọkụ kama akwụkwọ ntuziaka surfacing 2Cr13 adịghị mkpa annealing ọgwụgwọ, na-ewepụ annealing - quenching usoro.
5, elu mmepụta arụmọrụ, bụ ihe karịrị 3 ugboro nke ntuziaka surfacing.
N'ihi uru ndị dị n'elu, ya mere na valvụ na-ekpuchi elu n'ichepụta usoro PPW, bụ àgwà, arụmọrụ dị elu, obere oriri nke usoro mmepụta ihe, nwere uru kachasị elu nke ọha mmadụ na uru akụ na ụba kpọmkwem.
Nyocha akụ na ụba
Maka nnukwu olu na oke okpomọkụ nke ọkara na valve nrụgide (mpụta kwa afọ nke mba ahụ bụ ọtụtụ narị puku tọn), ugbu a ọtụtụ ndị na-emepụta na-eji akwụkwọ ntuziaka dị mfe ma dị mfe surfacing 2Cr13. Ma usoro PPW nwere ike dochie akwụkwọ ntuziaka surfacing nke 2Cr13 dabere ma enwere ike ibelata ọnụ ahịa akara.
Ọnụ ahịa nrụpụta elu ihe mejupụtara bụ:
(1) Ọnụ ihe ndị dị n'elu; (2) ụgwọ ọrụ nke n'elu; (3) Machining na-eri nke surfacing oyi akwa; (4) Ụgwọ ọgwụgwọ okpomọkụ, wdg. Nyochaa akụ na ụba n'ihe gbasara 4 ndị a ugbu a.
1. Ọnụ nke ihe ndị dị n'elu
A na-ekpebi ọnụ ahịa ihe ndị dị n'elu site na oriri nke ihe ndị dị n'elu na ọnụ ahịa ihe. Enwere ihe ndị a chọrọ maka ịdị arọ na obosara nke oyi akwa na-ekpuchi elu n'elu mkpuchi nke otu ụdị valvụ, na oriri nke ihe ndị dị n'elu na-adabere na ọnụego ojiji nke alloy. Ọnụego ojiji nke alloy surfacing na-adabere na ọnụego dilution na ọdịdị nke na-akpụ isi metal. N'ihi nnukwu dilution ọnụego nke isi metal nke ntuziaka arc surfacing, ọ na-ewe ihe karịrị ugboro abụọ surfacing ugboro izute chọrọ, otú imewe ọkpụrụkpụ nke okokụre ngwaahịa nke surfacing oyi akwa bụ n'ozuzu ibu karịa 3mm. PPW usoro, isi metal dilution ọnụego bụ ala, ọ bụrụhaala na ịgbado ọkụ otu ugboro ga-emezu ihe a chọrọ, okokụre ngwaahịa imewe ọkpụrụkpụ nke surfacing oyi akwa nwere ike ibelata 2mm. N'ihi na-adịghị mma akwụkwọ ntuziaka surfacing, enweghị isi, n'ozuzu thicker na wider, ojiji ọnụego nke alloy surfacing oyi akwa * bụ banyere 40%. Ọnụego ojiji nke alloy surfacing oyi akwa site na usoro PPW nwere ike iru 70%.
Iji ntuziaka arc surfacing na-ewepụ mkpuchi electrode na isi electrode, yana ọnụego ojiji nke ihe bụ * 70%, ebe ọnụego ojiji nke PPW alloy ntụ ntụ nwere ike iru 95%.
Tebụl 1 na-atụnyere oriri ihe onwunwe na ọnụ ahịa ihe onwunwe nke usoro abụọ a na-ekpuchi elu. Ntụle nyocha na ntụnyere na-egosi na ọ bụ ezie na electrode dị ọnụ ala karịa ntụ ntụ ntụ, n'ihi na ọnụ ọgụgụ dị ala nke ntinye akwụkwọ nke electrode manual surfacing, ịdị arọ nke ihe ndị a na-eri bụ ihe karịrị ugboro 3 nke usoro PPW, ya mere ọnụ ahịa ihe onwunwe nke arc akwụkwọ ntuziaka. Ịgba elu bụ 1.9 ugboro nke usoro PPW. Nke a bụ ọnụ ọgụgụ dị ịtụnanya nke ukwuu. Ọ bụrụ na ngụkọta 2Cr13 electrode na-eri site na ụlọ ọrụ valvụ ọ bụla bụ 100T kwa afọ, ọnụ ahịa ihe bụ nde RMB 3.3. Site na usoro PPW, ihe oriri na-emepụta ihe na-emepụta ihe na-emepụta ihe bụ 33T, na ọnụ ahịa ihe onwunwe dị ihe dị ka nde 1.82, ya mere, a ga-echekwa ego ihe onwunwe 1.48 nde RMB.
Usoro ịgbado ọkụ dị n'elu
Ụgwọ ọrụ PPW usoro
Akwụkwọ ntuziaka arc surfacing nke Fe-base alloy site ịgba ịgbado ọkụ
2Cr13
Ịdị arọ nke alloy dị mma maka ihu mkpuchi mkpuchi, Kg11.5
Ọnụego ojiji alloy nke oyi akwa bụ 70% 45%
Alloy arọ nke elu oyi akwa,Kg1.433.33
Ọnụego ojiji ihe dị n'elu, %95%70%
Nri ihe eji eme ihe na-ekpuchi elu, Kg1.54.76
Ọnụ ego otu ihe alloy bụ 5,533 yuan / kg
Ọnụ ihe onwunwe, 82.5157 yuan
Ọnụ ego ihe na-efu 11.9
2. Ọrụ na-eri nke surfacing ịgbado ọkụ
Ọnụ ego oge dị elu na-adabere na mmepụta mmepụta nke ndị ọrụ ọ bụla. Ma akwụkwọ ntuziaka arc surfacing na PPW surfacing chọrọ naanị otu onye ọrụ ka ọ rụọ ọrụ. Ọnụ ego dị elu nke otu onye ọrụ kwa oge maka ịhịa aka n'ahụ bụ ihe dịka 12Kg na nkezi, ebe nke usoro PPW nwere ike iru 20Kg. Iji ntuziaka arc surfacing ma ọ bụrụ na 12 RAMS na-arị elu maka otu onye ọrụ kwa mgbanwe, usoro PPW nwere ike ịgba weld 60 RAMS, arụmọrụ mmepụta bụ ugboro 5 karịa nke arc surfacing. Ọ bụrụ na ọnụ ahịa elekere elekere nke igwe eletriki naanị ya bụ yuan 10 kwa ibe, mgbe ahụ ọnụahịa elekere nke usoro PPW bụ yuan 2 kwa ibe *. Ọnụ ego nke ịgbado ọkụ surfacing na-ebelata nke ukwuu.
3. Machining na-eri nke surfacing oyi akwa
N'ihi usoro PPW, oyi akwa ịgbado ọkụ na-adị ire ụtọ ma dị mma, na ọnụ ọgụgụ nke ịkpụ dị obere. Ọ bụ ezie na a na-eme ka ike nke oyi akwa ịgbado ọkụ ka mma, a na-enwe ike ịcha na-aga n'ihu na-enweghị ịkpụ. Ngụkọta oge nchikota dị ala karịa nke ọkụ eletrik nke akwụkwọ ntuziaka, na ọnụ ahịa igwe na-ebelata ihe dịka 20%.
4. Ụgwọ ọgwụgwọ okpomọkụ
Igwe ọkụ eletrik dị n'aka 2Cr13, dị ka usoro mmepụta ihe si dị, mgbe emechara ihe mkpuchi ahụ, akwa akwa ịgbado ọkụ na-esiri ike ịhazi ya, ya mere enwere ike ịhazi ya site na ọgwụgwọ annealing. Mgbe emechara, iji nweta ike nke mkpuchi mkpuchi, a ga-emenyụ ya ugboro ugboro wee gbadaa. Ọtụtụ ụlọ ọrụ valvụ adịghị aṅa ntị n'ịdị mma nke mkpuchi mkpuchi, nhazi usoro ihe na-eme ka ọ ghara ịdị na-eme ka ọ ghara ịdị na-eme ka ọ dị elu, ya mere, ike nke mkpuchi mkpuchi dị ala, nkwụsị abrasion adịghị mma.
PPW usoro, ịgba ịgbado ọkụ oyi akwa ekweghị ekwe bụ n'ime nso nke kpọmkwem chọrọ, ọ dịghị mkpa na-aga site okpomọkụ ọgwụgwọ (ịgba ịgbado ọkụ alloy na-adịghị emenyụ), ma ozugbo esichara n'ime okokụre ngwaahịa, nwere ike ịzọpụta ike oriri, mfe apụta àgwà nsogbu nke. usoro ọgwụgwọ okpomọkụ. Usoro PPW, ọ bụghị nanị na-eme ka mma nke valve akara elu, ma na-ebelata ọnụ ahịa mmepụta ihe.
Site na nyocha akụ na ụba dị n'elu nke mkpuchi mkpuchi elu ọnụ ahịa, enwere ike igosi na usoro PPW na ngwa nrụpụta valve nwere uru nke imeziwanye mma, ibelata ọnụ ahịa, imeziwanye arụmọrụ na ihe ndị ọzọ. Ọ bụrụ na usoro PPW nwere ike gbasaa ma tinye ya n'ọrụ na ụlọ ọrụ na-emepụta valvụ iji dochie anya ọkụ eletrik na-azụ azụ, a ga-enweta uru mmekọrịta ọha na eze na akụ na ụba doro anya.