SebakaTianjin, Chaena (Bohareng)
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Teko ea tlhahlobo ea khatello ea li-valve le mokhoa oa ts'ebetso oa ho arolelana boemo ba sebaka

Teko ea tlhahlobo ea khatello ea li-valve le mokhoa oa ts'ebetso oa ho arolelana boemo ba sebaka

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Ha pipeline e qala ho sebelisoa, ho na le litšila tse ngata tse ka hare, tsebelofo e ka buloa hanyenyane, phallo e phahameng ea lebelo la seaplane e ka sebelisoa ho e hlatsoa, ​​ebe e koaloa ka bonolo (eseng e koetsoe ka potlako, e koetsoe ka bohale, ho thibela litšila tse setseng hore li se ke tsa koala holim'a ho tiisa), ho bula hape, ho pheta-pheta ba bangata. ka linako tse ling, hlatsoa litšila, ebe o kenya mosebetsi o tloaelehileng. Ka tloaelo bula valve, ho ka 'na ha e-ba le litšila holim'a ho tiisa. Ha ho koaloa, mokhoa o ka holimo o boetse o lokela ho sebelisoa ho o hlatsoa o hloekile, ebe o koala ka molao. Haeba letsoho la letsoho le sebetsana li senyehile kapa li lahlehetsoe, li lokela ho phethoa hang-hang, 'me li ke ke tsa nkeloa sebaka ke matsoho a poleiti e tsamaeang, e le hore li se ke tsa senya quartet ea stem, ho bula le ho koala ha ho atlehe, ho fella ka likotsi tsa tlhahiso.
Mokhoa oa ho sebetsa oa valve
Bakeng sa li-valve, ha lia tlameha feela ho kenya le ho li boloka, empa hape le ho sebetsa.
(a) ho bula le ho koala valve ka letsoho
Motlakase oa letsoho ke valve e sebelisoang ka ho fetisisa, lebili la letsoho la eona kapa molamu, o entsoe ho latela basebetsi ba tloaelehileng, ho nahanoa ka matla a holimo a ho tiisa le matla a hlokahalang a ho koala. Kahoo u ke ke ua sebelisa lever e telele kapa spinner e telele. Batho ba bang ba sebelisoa ho sebelisa wrench, ba lokela ho ela hloko ka tieo, eseng matla a mangata, ho seng joalo ho le bonolo ho senya ho tiisa bokaholimo, kapa poleiti robehileng letsoho lebili, sebetsana.
Bula le ho koala valve, matla a lokela ho ba boreleli, eseng tšusumetso. Liphello tse ling tsa ho bula le ho koala likarolo tsa li-valve tsa khatello e phahameng li nahane ka matla a tšusumetso 'me valve e akaretsang ha e khone ho ema. Bakeng sa valve ea mouoane, pele e buloa, e lokela ho futhumatsoa esale pele 'me metsi a pholileng a lokela ho tlosoa. Ha o bula, e lokela ho ba butle ka hohle kamoo ho ka khonehang ho qoba ts'ebetso ea ho otla ha metsi.
Ha valve e bulehile ka ho feletseng, letsoho le lokela ho khutlisetsoa morao hanyenyane, e le hore khoele e pakeng tsa thata, e le hore e se ke ea senya tšenyo. Bakeng sa li-valve tsa pole-stem, hopola boemo ba kutu ha e butsoe ka botlalo 'me e koetsoe ka ho feletseng, ho qoba ho otla ntlha e shoeleng e ka holimo ha e bulehile ka ho feletseng. 'Me ho loketse ho hlahloba hore na e tloaelehile ha e koetsoe ka botlalo. Haeba valve e oa, kapa pakeng tsa tiiso ea spool e kentse litšila tse kholo, boemo ba kutu bo tla fetoha ha bo koetsoe ka botlalo.
Ha pipeline e sebelisoa ka lekhetlo la pele, ho na le litšila tse ngata tse ka hare, valve e ka buloa hanyenyane, ho phalla ka lebelo le phahameng ho ka sebelisoa ho e hlatsoa, ​​ebe e koaloa ka bonolo (e sa koalehe ka potlako, e koetsoe ka bohale, ho thibela le ho koala ka potlako). litšila tse setseng ho tloha ho clamping holim'a tiiso), bula hape, joalo ka makhetlo a mangata, hlatsoa litšila, ebe u li kenya mosebetsing o tloaelehileng. Ka tloaelo bula valve, ho ka 'na ha e-ba le litšila holim'a ho tiisa. Ha ho koaloa, mokhoa o ka holimo o boetse o lokela ho sebelisoa ho o hlatsoa o hloekile, ebe o koala ka molao. Haeba letsoho la letsoho le sebetsana li senyehile kapa li lahlehetsoe, li lokela ho phethoa hang-hang, 'me li ke ke tsa nkeloa sebaka ke matsoho a poleiti e tsamaeang, e le hore li se ke tsa senya quartet ea stem, ho bula le ho koala ha ho atlehe, ho fella ka likotsi tsa tlhahiso.
Tse ling tse mahareng, tse pholileng ka mor'a hore valve e koetsoe, e le hore likarolo tsa valve li fokotsehe, mosebeletsi o lokela ho koaloa hape ka nako e loketseng, e le hore sebaka sa ho tiisa se se ke sa siea seame se setle, ho seng joalo, seaplane se tsoang ho seam se setle se phahameng- lebelo la ho phalla, ho bonolo ho hlatsoa sebaka sa ho tiisa. Nakong ea ts'ebetso, haeba ho fumanoa hore ts'ebetso e boima haholo, sesosa se lokela ho hlahlojoa. Haeba ho paka ho le thata haholo, e ka phutholoha hantle, joalo ka valve stem skew, e lokela ho tsebisa basebetsi ho lokisa. Li-valve tse ling, sebakeng se koetsoeng, likarolo tse koetsoeng li atolosoa ka mocheso, e leng se bakang mathata a ho bula; Haeba e tlameha ho buloa ka nako ena, sekoahelo se ka tlosoa halofo ea selikalikoe ho selikalikoe ho felisa khatello ea kelello, ebe poleiti ea ho qala lebili.
(2) Litaba tse hlokang tlhokomelo
1, 200 ℃ ka holim'a valve e phahameng ea mocheso, ka lebaka la ho kenngoa mocheso oa kamore, 'me ka mor'a tšebeliso e tloaelehileng, ho phahama ha mocheso, ho eketseha ha mocheso oa bolt, ho eketseha ha lekhalo, kahoo ho tlameha ho tiisa hape, ho bitsoa "hot tight", basebetsi ba lokela ho ela hloko sena. ho sebetsa, ho seng joalo ho ka dutla.
2. Ha boemo ba leholimo bo bata, valve ea metsi e lokela ho koaloa nako e telele, 'me metsi a lokela ho tlosoa ka mor'a valve. Mouoane belofo ka mor'a mouoane, hape batla ho qhelela ka thoko condensate. Botlaaseng ba valve bo boreleli 'me bo ka buloa hore bo ntše metsi.
3, li-valve tse se nang tšepe, tse ling tse thata le tse brittle, matla a mang a tlaase, ts'ebetso, matla a bulehileng le a haufi a ke ke a ba a maholo haholo, haholo-holo a ke ke a etsa matla a matla. Hape hlokomela hore u se ke ua kokota lintho.
4, ha valve e ncha e sebelisoa, ho paka ha hoa lokela ho hatelloa ka thata haholo, e le hore e se ke ea tsoa, ​​e le hore u se ke ua hatella stem haholo, ho potlakisa ho apara, le ho thata ho bula le ho koala.
Teko ea ho lutla ha khatello ea li-valve
Teko ea khatello e bolela teko ea matla a 'mele. Teko ea ho lutla, e bua ka teko ea ho tiisa holim'a metsi, liteko tsena tse peli ke ho hlahloba ts'ebetso ea mantlha ea li-valve. Sebaka sa teko hangata ke metsi a tloaelehileng a mocheso, 'me parafine e ka sebelisoa bakeng sa li-valve tsa bohlokoa. Teko ea khatello ea valve kamehla, e ka sebelisa khase e tsitsitseng ea nitrogen, hape e ka sebelisa mouoane kapa moea sebakeng sa eona. Bakeng sa li-valve tsa diaphragm, leka ka moea.
(1) khatello ea teko
Khatello ea teko ea matla a valve, 'me khatello ea lebitso e na le kamano e latelang
Khatello ea lebitso (Mpa) khatello ea matla ea teko (Mpa0.10.20.250.40.40.60.60.911.51.62.42.53.8466.49.610151624203025383248 ka ho bonahala, khatello e tloaelehileng ea 0.4 Mpa, 3 Mpa khatello e tloaelehileng, khatello e tloaelehileng ea 3 Mpa -1 linako tsa teko ea tiiso ea Valve, e lekanang le khatello ea lebitso.
(2) Mekhoa ea teko
Teko ea khatello le teko ea ho lutla li etsoa bencheng ea liteko. Sebopeho sa benche ea teko (joalokaha ho bontšitsoe setšoantšong sa 5-1) ke hore ho na le karolo e hatellang ka holim'a benche ea teko le pipeline e amanang le pompo ea teko ea khatello ka tlase. Ka mor'a hore valve e hateletsoe, pompo ea teko ea khatello e sebetsa. Ho tloha tekanyong ea khatello ea pompo ea teko ea khatello, valve e ka baloa palo ea khatello. Ha valve ea teko ea khatello e tlala metsi, moea o ka har'a valve o lokela ho tsoa. Letlapa la khatello karolong e ka holimo ea benche ea teko e na le lesoba la ho qeta 'me le buloa le ho koaloa ka valve e nyenyane. Pontšo ea hore moea o hloekile ke hore metsi 'ohle a tsoa ka lesoba. Ka mor'a ho koala moea, qala ho eketsa khatello. Ts'ebetso ea boost e lokela ho ba butle, eseng bohale. Kamora ho fihlela khatello e boletsoeng, boloka metsotso e 3, khatello ha e tšoanelehe.
Ts'ebetso ea tlhahlobo ea leak ea khatello e ka aroloa ka mehato e meraro:
1, bula tsela ea valve, tlatsa sekoti sa valve ka metsi (kapa parafine), 'me u matlafatse khatello ho litlhoko tsa tlhahlobo ea matla, hlahloba' mele oa valve, sekoahelo sa valve, gasket, ho paka bakeng sa ho lutla.
2, koala tsela ea valve, khatello ka lehlakoreng le leng la valve ho khatello ea lebitso, hlahloba hore na ho na le ho lutla ho tloha ka lehlakoreng le leng.
3. Fetolela valve fatše 'me u leke lehlakoreng le leng.
Setsi sa tlhahiso ea li-valve tsa tikoloho se feta eng?
Metsoalle e mengata e 'nile ea ferekanngoa ho feta ha e tsebe hore na bahlahisi ba fumane li-valve, ke mofuta ofe, moo boleng bo leng teng, batho ba bang ba re Shanghai, batho ba bang ba re Zhejiang, batho ba bang ba re Jiangsu, xiaobian koloing ena e hlomphehang.
Li-valve li fapane 'me ho na le lipalo-palo tse tsebahalang tsa mofuta oa li-valve tse fetang likete tse robeli,' me e le 'ngoe 5 ha e na lipalo-palo, e na le tse ngata tse etselitsoeng khoebo, li na le tse ngata tse etselitsoeng morero o itseng, eseng * * * e sebelisoang ke marakeng, empa karolo e nyenyane e felisitsoe, kamehla e bua haholo, ke bohlasoa, ka ho toba ho fihlela moo re, The content e latelang ke feela k'honeng ea mahlo, lipalo-palo tsa moriri oa khomo, qaqileng kapa tšimong ketelo, sebelisa molemo. (Ka kopo ela hloko sengoloa se latelang se nang le lintlha tse qaqileng haholoanyane tsa mefuta le mefuta ea libaka). Ka tlase re tla sekaseka bahlahisi ba ka sehloohong ho potoloha sehlopha sa li-valve le karolong ea 'maraka ea tlhaloso, lintlha li thehiloe ho lipalo-palo tsa Ofisi ea Naha ea Lipalopalo (baetsi ba nang le laesense ea tlhahiso, palo ea thekiso le liphetho tsa lipalo tsa selemo le selemo tsa lekhetho).
Boemo ba karolo ea 'maraka ea li-valve:
Ntlafatso: 53%
1. Toropo ea Oubei, Seterekeng sa Yongjia, Wenzhou: 23% (li-valve tse tloaelehileng, li-valve tsa tšepe tse entsoeng ka tšepe, li-valve tse tloaelehileng tsa Amerika, joalo-joalo)
2, Setereke sa Wenzhou Longwan: 15% (li-valve tsa boemo bo tlaase, li-valve tsa tšepe tse sa hloekang, joalo-joalo)
Setereke sa Yuhuan: 6% (li-valve tsa koporo, joalo-joalo)
Ningbo: 2.5% (li-valve tsa polasetiki, li-valve tsa koporo, joalo-joalo)
Lishui: 2% (li-valve tsa tšepe tse entsoeng ka tšepe, li-valve tse tloaelehileng tsa Amerika, joalo-joalo)
Hangzhou: 1.5% (valve e laolang, joalo-joalo)
Yueqing: 0.5% (li-valve tsa metsing, joalo-joalo)
Motse oa Zhuji: 0.5% (li-valve tsa koporo, lisebelisoa tsa mollo, joalo-joalo)
Yuyao: 0.5% (valafo ea solenoid)
Ho setse 1% (Ruian, Tongxiang, Taizhou)
Motse oa Yancheng, Profinseng ea Jiangsu: 12.5% ​​(valve e kopanetsoeng ea khoebo, valve ea lisebelisoa, valve ea hydraulic, valve e phahameng ea khatello, joalo-joalo)
Shanghai: 7% (li-valve tse tsoang kantle ho naha, ** li-valve, li-valve tsa seteishene sa matla, li-valve tsa taolo ea othomathike, jj.)
Tianjin: 5% (valve e tlase ea khatello, valve e bonolo ea serurubele, joalo-joalo)
Profinseng ea Guangdong: 4% (li-valve tsa kopanelo, jj.)
Profinse ea Fujian: 2.5% (li-valve tsa tšepe ea ductile, li-valve tsa mollo, li-valve tsa metsi, joalo-joalo)
Motse oa Henan: 2% (li-valve tsa khatello e tlase, tšepe e entsoeng ka tšepe, li-valve tsa tšepe tsa ductile, joalo-joalo)
Beijing: 2% (li-valve tsa khatello e phahameng, joalo-joalo)
Zigong, profinseng ea Sichuan: 1% (li-valve tsa khatello e phahameng, li-valve tsa seteishene sa matla, joalo-joalo)
Profinseng ea Shandong: 1% (li-valve tsa groove, li-valve tsa mollo, joalo-joalo)
Profinseng ea Hebei: 1% (tšepe e entsoeng ka tšepe, li-valve tsa tšepe, joalo-joalo)
Masepala oa Chongqing: 0.5% (valafo ea solenoid, joalo-joalo)
Ba bang kaofela: 9%
Lipalopalo tse kaholimo li arotsoe ho latela palo ea likhoebo, thekiso le bongata ba lihlahisoa. Haeba ho na le ho kheloha, ka kopo sheba boemo ba sebele.


Nako ea poso: Jun-28-2022

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