I-Boiler yoKhuseleko lweValve yenye yezona zinto zibalulekileyo zokhuseleko zokuqinisekisa ukusebenza ngokukhuselekileyo kwebhoyili.Ingaba inokuvulwa ngokuchanekileyo kwaye ithembekile ibaluleke kakhulu ukugcina ukusebenza okukhuselekileyo kwebhoyili.

Njenge-valve enomsebenzi obalulekileyo wokukhusela, i-valve yokhuseleko isetyenziswa ngokubanzi kwiinqanawa ezahlukeneyo zoxinzelelo kunye nenkqubo yepayipi, xa inkqubo yesitya soxinzelelo ifikelela kumda ophezulu wexabiso loxinzelelo oluchaziweyo, isitya soxinzelelo sinokuvulwa ngokuzenzekelayo ngokungeniswa, kunye nokugqithisa. i-medium inokukhutshwa ngaphandle kwenkqubo yenqanawa yoxinzelelo, kwaye ingavalwa ngokuzenzekelayo emva kokukhutshwa, ngaloo ndlela iqinisekisa ukuba inqanawa yoxinzelelo inokusebenza ngaphakathi kwinqanaba elikhuselekileyo nelithembekileyo loxinzelelo oluvumelekileyo, ugweme iingozi ezinkulu zokhuseleko.Ukusebenza okuqhelekileyo kwe-valve yokukhusela akuhambelani kuphela nokusetyenziswa okukhuselekileyo okuqhelekileyo kweenqanawa zoxinzelelo ezifana neebhoyili, kodwa zihambelana ngokuthe ngqo nokhuseleko lobomi babantu kunye neepropati.Ngoko ke, ingqalelo enkulu kufuneka ihlawulwe kwiintsilelo eziqhelekileyo ze-Boiler Safety Valve, kwaye ziphelise ngexesha elifanelekileyo.

1. Ukuvuza kweValve yoKhuseleko

Ukuvuza kweValve yenye yezona mpazamo zixhaphakileyo zeBoiler yoKhuseleko lweValve.Ibhekisa ikakhulu ekuvuzeni phakathi kwediski yevalvu kunye nesitulo sevalvu phantsi koxinzelelo oluqhelekileyo lokusebenza.

Izizathu zokusilela kunye nezisombululo zabo:

1) Ukungcola kuwela kwindawo yokutywina.Isitshixo sokuphakamisa singasetyenziselwa ukuvula ivalve amaxesha amaninzi, ukungcola kuhlanjwe.

2) Ukutywina umonakalo womhlaba.Ngokwezinga lomonakalo, indlela yokugaya okanye ukugaya emva kokujika kufuneka isetyenziswe ukulungisa.Emva kokulungiswa kufuneka kuqinisekiswe ukutywinwa komphezulu wokutyibilika, ukuguda kwayo akufanele kube ngaphantsi kwe-10.

3) Ngenxa yeNdibano engafanelekanga okanye umthwalo wombhobho kunye nezinye izizathu, yenza iinxalenye zomonakalo we-concentricity.Imithwalo eyongezelelweyo yombhobho kufuneka ihlanganiswe okanye ikhutshwe;

I-4) Uxinzelelo lokuvula i-valve lusondele kakhulu kuxinzelelo lwezixhobo eziqhelekileyo, ukwenzela ukuba indawo yokutywina iphantsi kunoxinzelelo.Xa ivalve iphantsi kokungcangcazela okanye ukuguquguquka koxinzelelo oluphakathi, ithanda ukuvuza.Uxinzelelo lokuvula kufuneka luhlengahlengiswe ngokwemeko yamandla esixhobo.

I-5) Intwasahlobo ekhululekile inciphisa uxinzelelo lokumisela kwaye ibangela ukuba i-valve ivuze.Inokuba ngenxa yokushisa okuphezulu okanye ukubola kunye nezinye izizathu, kufuneka kuthathwe ukutshintsha intwasahlobo, okanye utshintshe i-valve kunye namanye amanyathelo.Ukuba kubangelwa ummiselo ongafanelekanga, kufuneka kuphela ukuqinisa i-screw yokulungelelanisa ngokufanelekileyo.

2. Uxinzelelo oluphantsi lokuBuyisa kwevalve yokunceda

Izizathu zokusilela kunye nezisombululo zabo:

Uxinzelelo oluphantsi lokuBuyisa luya kubangela ukuba inani elikhulu eliphakathi likhuphe ngokuhamba kwexesha, kubangele ukulahlekelwa kwamandla okungafunekiyo, isizathu kukuba i-valve yokunceda i-spring pulse kwixabiso elikhulu lokukhutshwa komphunga, le ndlela yokuvula i-valve yokukhulula i-impulse, i-medium iyaqhubeka. ukukhupha, ukungcangcazela uMzimba woNcedo lweValve, okanye ivalve yokuphefumla phambi nasemva kwamandla ngenxa yevalvu ephakathi yokukhupha akwanelanga ukuqhubeka nokwanda, ngoko ke umphunga kwityhubhu yepulse ecaleni kwentloko yerhasi yegubu uyaqhubeka nokuqukuqela isiqabu. isenzo sevalvu.

Kwelinye icala ngenxa yolu hlobo lwe-Ipulse Safety valve action impulse security valve seal surface.Ukulungelelaniswa kwayo kwakhona ukwenza indawo yoxinzelelo lwe-kinetic, i-spool iya kuphakanyiswa, ukwenzela ukuba i-valve yokukhusela i-impulse iqhubeke nokuphuma, ukukhutshwa okukhulu kwe-steam, indima ye-Spool ekukhuseleni kwe-thrust enkulu, ukhuseleko lwe-Impulse. ivelufa kuya kuba lula ukubuyela esitulweni.Ngeli xesha, indlela yokuphelisa isiphoso kukucima i-valve ye-throttle, ukwenzela ukuba ukuhamba kwe-valve yokunceda ukunciphisa uxinzelelo kwindawo yoxinzelelo lwamandla e-kinetic, ukwenzela ukuba i-valve yokunceda i-impulse ibuyele esihlalweni.Into yesibini ebangela ukubuyiswa kwengcinezelo ephantsi kukuba imvume yokungena phakathi kwe-spool kunye ne-sleeve yesikhokelo ayifanelekanga, kwaye i-fit clearance incinci, ukulibaziseka kwexesha lokuBuyisa, indlela yokuphelisa oku kungaphumeleli ukujonga ngononophelo ubungakanani be I-spool iphinda iqondise iindawo zemikhono, kunye nokucima okuncinci, ukunciphisa isigubungelo sediski ngokuthe ngqo okanye i-disc stop valve cap diameter okanye ukwandisa i-disc kunye ne-sleeve ye-sleeve ye-radial clearance, ukwandisa ummandla wokujikeleza kwendawo, ukwenzela ukuba ukuhamba komphunga kungaphambukiswa xa uxinzelelo lwengingqi ukwenza indawo yoxinzelelo lwekinetic ephezulu.

3. Ukuvuza okudibeneyo koMzimba

Ukuvuza komphezulu odityanisiweyo wevalve kubhekisa ikakhulu kumphezulu nasezantsi wevalve umphezulu wokuvuza.

Izizathu zokusilela kunye nezisombululo zabo:

Omnye ngumphezulu odityanisiweyo we-bolt force force ayonelanga okanye uqine kancinci, okukhokelela kumphezulu ombi wokudityaniswa kwetywina.Indlela yokuphelisa kukulungelelanisa ibholithi yokuqinisa amandla, kwibholiti eqinileyo kufuneka ibanjwe ngokuhambelana nendlela yokuqinisa i-diagonal, kungcono ukulinganisa yonke i-side side clearance, i-bolt iqinile ukuba ingahambi ukuza kuthi ga ngoku, kwaye wenze. ukucocwa komphezulu odibeneyo kuzo zonke iindawo ezihambelanayo.

Okwesibini, i-valve yomzimba we-joint surface ye-tooth seal gasket ayihambelani nomgangatho.Umzekelo, igroove encinci kwicala leradial ye-tooth seal gasket, ukungahambelani kakuhle, izinyo elibukhali kakhulu okanye ithambeka kunye nezinye iziphene ziya kubangela ukusilela kwetywina.Oku kubangela ukuba umdibaniso womzimba wevalvu uvuze.Ukugcinwa komgangatho we-spare parts, ukusetyenziswa kwe-gasket eqhelekileyo efana nezinyo kunokuphepha le nto.

Okwesithathu, iplani edibeneyo yevalve yomzimba imbi kakhulu okanye ngokusilela kwetywina lokutywinwa komcamelo wokungacoceki.Ukupheliswa kokuvuza komphezulu womzimba ngenxa yokungafihli kakuhle komphezulu womzimba kukuqhawula ivalve kwaye ubuye usila umphezulu odibeneyo de ube udibana nemigangatho yomgangatho.Ukuba isitywina asiphumeleli ngenxa yokupakishwa kokungcola, coca ngokucophelela indawo edibeneyo ukuze ugweme ukungcola okuwela kwi-valve assembly.

4. UkuBuyiswa kwevalve yokukhulula ilibazisekile

Umsebenzi ophambili wevalve yokunceda emva kokubuya kwevalve ephambili ilibazisekile ixesha lokubuya likhulu kakhulu.

Izizathu zokusilela kunye nezisombululo zabo:

Kukho izizathu ezibini eziphambili zoku kusilela.Kwelinye icala, ukuvuza kwePiston Chamber yevalve enkulu yokunceda inkulu.Nangona ivalve yokunceda i-impulse relief ibuyele esitulweni sayo, uxinzelelo lomphunga kumbhobho nakwiPiston Chamber lusephezulu kakhulu, kwaye amandla atyhala ipiston ezantsi isenkulu kakhulu, oku kubangela ukuba ivalve yoncedo ibuyele esitulweni. kancinci.Indlela yokuphelisa olu hlobo lwenkathazo isonjululwa ngokuvula ivalve ye-throttle banzi kunye nokwandisa i-diameter ye-throttle hole.Kokubini ukuvulwa kwevalve ye-throttle banzi kunye nokwanda komngxuma we-throttle kwenza umphunga oshiywe kwityhubhu ye-pulse uphume ngokukhawuleza, ngenxa yoko, uxinzelelo kwi-Piston luyancitshiswa, kwaye amandla okuqhubela phambili asebenza kwiPiston ehamba phezulu kwaye ezantsi. ngokukhawuleza kuncitshiswe.Undoqo wevalve ubuyiselwa ngokukhawuleza kwisitulo esiphantsi kokutyhalwa phezulu kwesixhobo somphunga kwintloko kunye namandla okutsalela phezulu espring esingundoqo sokhuseleko ngokwawo.Ngakolunye uhlangothi, ukungqubuzana phakathi kweendawo ezihambayo kunye neendawo zokulungisa i-valve yokhuseleko oluphambili luya kubangela ukuba i-valve ekhuselekileyo yokhuseleko ibuyele esihlalweni ngokukhawuleza, isisombululo sale ngxaki kukulungelelanisa i-valve yokunceda i-valve ehamba phambili kunye neendawo ezisisigxina. ngaphakathi koluhlu lweconsole yococeko olusemgangathweni.

5. Ingxoxo yeValve yoKhuseleko

Isenzeko sokungcangcazela kwevalve yokhuseleko kwinkqubo yokukhupha ibizwa ngokuba yingxoxo yevalve yokhuseleko.Imeko yencoko ibangela ngokulula ukudinwa kwesinyithi, okunciphisa ukusebenza koomatshini bevalve yokhuseleko kwaye kubangele ingxaki enkulu efihlakeleyo yezixhobo.

Izizathu zokusilela kunye nezisombululo zabo:

Izizathu eziphambili ze-flutter zimi ngolu hlobo lulandelayo: Ngakolunye uhlangothi, i-valve isetyenziswe ngokungafanelekanga, amandla okukhutshwa kwe-valve makhulu kakhulu, indlela yokuphelisa kukuba ukukhutshwa okulinganiselwe kwe-valve kufuneka kusetyenziswe ngokusondeleyo ngokunokwenzeka kwi-valve. ukukhutshwa okuyimfuneko kwezixhobo.Ngakolunye uhlangothi, ngenxa yokuba ububanzi bombhobho wokungena buncinci kakhulu, buncinci kunobubanzi bokungena kwevalve, okanye ukuchasana kombhobho wokungena kukhulu kakhulu, indlela yokuphelisa xa ivalve ifakwe, i-diameter yangaphakathi. umbhobho wokungena akufanele ube ngaphantsi kobubanzi bokungena kwe-valve okanye ukuchasana kombhobho wokungena kufuneka kuncitshiswe, oku kunokusombulula ngokunciphisa ukuchasana komgca wokukhupha.