1Tšebeliso e kopaneng ea valve ea polokeho le disc e phatlohang
1. Sesepa se phatlohang se kenngoa monyako oa valve ea tšireletso - molemo o tloaelehileng ka ho fetisisa oa sebaka sena ke hore ho phatloha ha disc ho tla arola valve ea tšireletso le mokhoa o tsoang linaheng tse ling, 'me tsamaiso ha e na ho tsoa.Li-valve tsa ts'ireletso ha li senyehe ke mecha ea litaba, e ka fokotsang litšenyehelo tsa li-valve tsa tšireletso.Hang ha tsamaiso e e-na le khatello e matla, ho phatloha ha disc le valve ea liphallelo ka nako e le 'ngoe e ka phatloha' me ea qala ho imolla khatello.Ha khatello ea tsamaiso e khutlela ho tloaelehileng, valve ea tšireletso e ka koaloa ka boomo, e fokotsa haholo tahlehelo ea bohareng.
2. The bursting disc e kenngoa sebakeng sa ho tsoa ha valve ea tšireletso.Monyetla o atileng haholo oa tlhophiso ena ke hore disc e phatlohang e tla arola belofo ea polokeho ho phaephe ea phatlalatso ea sechaba sebakeng sa ho tsoa.
2 Thepa overpressure le khetho ea lisebelisoa tsa polokeho
1. Thepa e feteletseng khatello ea kelello
Overpressure - ka kakaretso e bolela khatello e phahameng ea ho sebetsa ka har'a thepa e fetang khatello e lumelletsoeng ea thepa.Thepa e feteletseng e arotsoe ka khatello e feteletseng ea 'mele le khatello e feteletseng ea lik'hemik'hale
Khatello ea moralo oa lisebelisoa ke khatello ea gauge
Khatello e feteletseng ea 'mele - Ho eketseha ha khatello ha ho bakoe ke ts'ebetso ea lik'hemik'hale sebakeng seo ho sona ho hlahang phetoho ea' mele feela.Khatello e feteletseng ea lik'hemik'hale - Ho phahama ha khatello e bakoang ke karabelo ea lik'hemik'hale sebakeng se bohareng
(1) Mefuta e tloaelehileng ea khatello e feteletseng ea 'mele
①Khatello e feteletseng e bakoang ke ho bokella thepa ka har'a lisebelisoa 'me e ke ke ea lokolloa ka nako;
②Overpressure e bakoang ke ho atolosoa ha thepa ho bakoang ke mocheso (mollo);
③Khatello e feteletseng e bakoang ke hang-hang khatello ea pulsation;ho phahama ha khatello ea sebakeng se bakoang ke ho koaloa ha valve ka tšohanyetso le ka potlako, joalo ka "hamore ea metsi" le "hamore ea mouoane";ho phaella qetellong ea phala ea mouoane, ho pholile ha mouoane ka potlako, ho thehoa ha vacuum ea sebakeng seo, ho fella ka ho phalla ka potlako ho fihlela qetellong.Tšitiso e thehoa, e bakang khatello e feteletseng e tšoanang le phello ea "hamore ea metsi".
(2) Mefuta e tloaelehileng ea khatello ea lik'hemik'hale
①Ho fokotseha ha khase e tukang (aerosol) ho baka khatello e feteletseng
②mefuta eohle ea lintho tse phelang le tse sa pheleng tse tukang lerōle le ho phatloha ho baka khatello e feteletseng
③exothermic chemical reaction control e baka khatello e feteletseng
2. Sesebelisoa sa ho imolla khatello e feteletseng
①Sireletsehile tokollo molao-motheo
Thepa overpressure, thepa ka disebediswa tsa polokeho hang-hang nka khato, overpressure mecha ea litaba e tla lokolloa ka nako ho sireletsa setshelo.Hoa hlokahala ho fihlela hore na mecha ea litaba e hlahisoa hakae ka nako ea yuniti, 'me boema-kepe ba tokollo le bona bo ka lokolloa ka nako ea yuniti.Tekanyo ea khatello ea khatello ka nako ea unit e kholo ho feta tekanyo ea khatello ea khatello, 'me khatello e phahameng ea thepa e ka tlaase ho khatello e phahameng e lumelletsoeng ea thepa.
②Sesebelisoa sa ho imolla khatello ea maikutlo
Molao-motheo oa ts'ebetso o arotsoe ka mefuta e 'meli: ho imolla khatello ea maikutlo le ho fokotsa mocheso o feteletseng
Sesebelisoa se tloaelehileng sa ho imolla khatello ea maikutlo: valve ea khatello ea khatello le disc e phatlohileng.
Molao-motheo o sebetsang oa ho phatloha ha disc
Ha khatello e phatlohileng ea calibration e finyelloa ka thepa, ho phatloha ha disc ho tla phatloha hang-hang 'me mocha oa ho lokolla o tla buloa ka ho feletseng.
Melemo:
①E utloahala, e nepahetse, e ka tšeptjoa, ha e na ho lutla.
②Boholo ba sebaka sa ho ntša metsi ha bo na moeli, 'me sebaka se loketseng se pharaletse (joalo ka mocheso o phahameng, khatello e phahameng, sebaka sa' nete, ho senya ho matla, joalo-joalo).
③Sebopeho se bonolo, tlhokomelo e bonolo le litšobotsi tse ling tse hlaheletseng tsa mefokolo: mocha o ke ke oa koaloa ka mor'a ho bula, tahlehelo eohle ea thepa.
3 Classification le litšobotsi tsa sebopeho sa bursting disc
1. Sehlopha sa ho phatloha ha disk
Sebopeho sa "bursting disc" se ka aroloa ka "concave compression", "anti-arch bursting disc" (convex compression), "flat plate bursting disc" le "graphite bursting disc".
Ho hloleha ha mochini oa disc e phatlohang ho ka aroloa ka mofuta oa ho hloleha ho tsitsitseng, mofuta o sa tsitsang oa ho hloleha le mofuta oa ho kobeha kapa oa ho kuta.The tensile destructing bursting disc, e nang le khatello ea maikutlo ka har'a diaphragm, e ka aroloa ka: mofuta o tloaelehileng oa arch, mofuta oa arch groove, mofuta oa plate groove, mofuta oa arch slit le mofuta oa plate slit.Mofuta o sa tsitsang oa ho robeha o phatlohang, khatello ea khatello ho diaphragm, e ka aroloa ka: reverse arch lebanta mofuta oa thipa, mofuta oa leino la reverse arch, groove e kobehang kapa ho hloleha ha ho kuta ho phatloha ha disc, ho hloleha ha diaphragm: haholo-holo e bua ka ts'ebetso ea thepa eohle, joalo ka graphite e entsoeng ka disc e phatlohileng.
2. Mefuta e tloaelehileng le likhoutu tsa li-discs tse phatlohileng
(1) Litšobotsi tsa mechine ea "first acting bursting" disc - concave compression, tensile damage, e ka ba lera le le leng kapa multi-layer, khoutu e nang le "L" e qalang.Classification ea positive arch bursting disc: positive arch common type bursting disc, khoutu: LP positive arch groove mofuta bursting disc, khoutu: LC positive arch slotted bursting disc, khoutu: LF
(2) litšoaneleho tsa mechine e fetolang - convex compression, tšenyo e sa tsitsang, e ka ba lesela le le leng kapa lesela le le leng, khoutu e nang le "Y" e qalang.Sehlopha sa reverse arch bursting disc: Reverse arch with thipa mofuta bursting disc, khoutu: YD reverse arch alligator meno mofuta bursting disc, khoutu: YE reverse arch cross groove mofuta (welded) bursting disc, khoutu: YC (YCH) reverse arch ring groove thaepa disc e phatlohang, khoutu: YHC (YHCY)
(3) Litšobotsi tsa khatello ea li-flat shaped bursting disc - butle-butle deformation le arch ka mor'a khatello ea kelello ho fihlela khatello e lekantsoeng ea khatello ea maikutlo, e ka ba lera le le leng, le nang le mefuta e mengata, khoutu e nang le "P" e qalang.Sehlopha sa flat plate bursting disc: flat plate with groove type bursting disc, khoutu: PC flat plate slit mofuta oa bursting disc, khoutu: PF (4) Graphite bursting disc Litšobotsi tsa mechine ea ho phatloha ha disc - e senyehile ke ketso ea ho kuta.Lebitso la khoutu: PM
3. mefuta e fapaneng ea litšoaneleho tsa bophelo ba li-disc
Li-discs tsohle tse phatlohang li entsoe le ho etsoa ho latela bophelo ba ho qetela, ntle le coefficient ea polokeho.Ha khatello e phatlohileng e boletsoeng e fihlile, e tla phatloha hang-hang.Bophelo ba eona ba polokeho haholo-holo bo ipapisitse le sebopeho sa sehlahisoa, litšobotsi tsa khatello ea maikutlo le karo-karolelano ea khatello e phahameng ea ts'ebetso ho ea ho khatello e tlase ea ho phatloha - sekhahla sa ts'ebetso.E le ho netefatsa ts'ebeliso ea nako e telele ea li-disc tse phatlohileng, ISO4126-6 standard ea machabeng Kopo, khetho le Ho kenya lisebelisoa tsa ts'ireletso ea disc tse phatlohang e totobatsa tekanyo e phahameng e lumelletsoeng ea ts'ebetso ea li-disc tse phatlohileng tsa mefuta e fapaneng.Melao ke e latelang:
①Tloaelehileng arch bursting disc - tekanyo e phahameng ea ts'ebetso≤0.7 makhetlo
②positive arch groove le positive arch slit bursting disc - tekanyo e phahameng ea ts'ebetso≤0.8 makhetlo
③mefuta eohle ea reverse arch bursting disc (ka groove, ka thipa, joalo-joalo) - sekhahla se phahameng sa ts'ebetso≤0.9 linako
④Flat shaped bursting disc - sekhahla se phahameng sa ts'ebetso≤0.5 linako tse ling
⑤graphite bursting disc - tekanyo e phahameng ea ts'ebetso≤0.8 makhetlo
4. Sebelisa litšobotsi tsa ho phatloha ha disk
①Litšobotsi tsa arch normal type bursting disc (LP)
Khatello e phatlohileng e khethoa ke botenya ba thepa le bophara ba ho qhala, 'me e lekanyelitsoe ke botenya le bophara ba diaphragm.Khatello e phahameng ea ho sebetsa e ke ke ea feta linako tse 0,7 tsa khatello e fokolang ea ho phatloha.Ho phatloha ho tla hlahisa lithōle, ho ke ke ha sebelisoa bakeng sa ho tuka le ho phatloha kapa ho sa lumelloe ho ba le liketsahalo tsa litšila (tse kang letoto le nang le valve ea tšireletso), ho hanyetsa mokhathala.Ho haella ha matla a ho thibela ho pota-pota ho bonolo ho etsa hore libaka tse potolohileng li theohe 'me li oe, ho fella ka ho fokotseha ha khatello ea ho phatloha.Ka kakaretso tšenyo e nyane e ke ke ea ama khatello e phatlohileng haholo.E loketse lisebelisoa tsa khase le metsi
②Khatello e phatlohileng ea mofuta oa groove bursting disc (LC)
In lebanta le otlolohileng la arch le khethoa haholo ke botebo ba groove, boo ho leng thata ho bo etsa.Khatello e phahameng ea ho sebetsa ea disc e phatlohang e ke ke ea feta linako tse 0.8 tsa khatello e fokolang ea ho phatloha.Ho phatloha haufi le karolo e fokolang ea groove, ha ho na maloanlahla, ha ho na litlhoko tsa tšebeliso ea ketsahalo, ho hanyetsa mokhathala o motle.Ho haella ha matla a ho thibela ho pota-pota ho bonolo ho etsa hore perimeter e theohe 'me e oele, e leng se etsang hore ho fokotsehe ha khatello ea ho phatloha le litšila.Hafeela tšenyo e nyenyane e sa hlahe ka har'a groove, khatello ea ho phatloha e ke ke ea fetoha haholo.E loketse lisebelisoa tsa khase le metsi
③Khatello e phatlohileng ea "straight arch slit" bursting disc (LF) e khethoa haholo ke sebaka sa lesoba, se loketseng ho etsoa le ho sebelisoa hangata maemong a khatello e tlase.Etsa bonnete ba hore khatello e phahameng ea ho sebetsa e ke ke ea feta linako tse 0.8 tsa khatello e fokolang ea ho phatloha.Likaroloana tse nyane li ka hlahisoa nakong ea ho phatloha, empa ka moralo o hlakileng oa sebopeho, ha ho likhechana tse ka hlahisoang mme ho hanyetsa mokhathala ho tloaelehile.Ho haella ha matla a ho thibela ho pota-pota ho bonolo ho etsa hore libaka tse potolohileng li theohe 'me li oe, ho fella ka ho fokotseha ha khatello ea ho phatloha.Haeba tšenyo e sa hlahe borokho bo bokhutšoane, e ke ke ea baka phetoho e kholo khatellong ea ho phatloha
1. Khatello e phatlohileng ea YD le YE bursting disc e khethoa haholo-holo ke botenya ba sekheo le bophahamo ba arch.Mofuta oa YE hangata o sebelisoa bakeng sa khatello e tlase.Ha khatello e phahameng ea ho sebetsa e sa fete linako tse 0.9 tsa khatello e fokolang ea ho phatloha, diaphragm e tla phethola le ho ama lehare kapa mehaho e meng e bohale le ho senya, ha ho na litšila tse tla hlahisoa, 'me ho hanyetsa mokhathala ho molemo haholo.Ka mor'a ho phatloha ho hong le ho hong ha thipa ea thipa, thipa e tlameha ho lokisoa bakeng sa matla a sa lekaneng a ho thibela kapa ho senya bokaholimo ba "disk" e phatlohileng, e leng se tla lebisa ho fokotseha ho hoholo ha khatello e phatlohileng, le liphello tse tebileng tsa ho hlōleha ho bula sekepe sa ho lokolloa. .Tlhokomelo e khethehileng e lokela ho nkoa nakong ea ho kenya.E sebetsa feela karolong ea khase
2. Khatello e phahameng ea ho sebetsa ea mofuta oa backarch cross groove (YC) le backarch cross groove welded (YCH) bursting disc e ke ke ea feta linako tse 0.9 tsa khatello e fokolang ea ho phatloha.Ho phatloha ho haufi le groove e fokolang ho robehile ka li-valve tse 'nè, ha ho na litšila, ho hanyetsa mokhathala o motle haholo,' me ha ho ho lutla ha disc e nang le welded bursting e ka bang ka ho feletseng.Matla a sa lekaneng a ho thibela kapa ho senya bokaholimo ba disk e phatlohileng e tla lebisa phokotsong e kholo ea khatello e phatlohileng, 'me tšenyo e tebileng e tla etsa hore boema-kepe ba tokollo bo se ke ba buloa.Tlhokomelo e khethehileng e lokela ho nkoa nakong ea ho kenya.E sebetsa feela karolong ea khase
3. Khatello e phahameng ea ho sebetsa ea reverse arch ring groove bursting disc (YHC/YHCY) ha e fete linako tse 0.9 tsa khatello e fokolang ea ho phatloha.E robehile hammoho le groove e fokolang e se nang litšila le khanyetso e ntle ea mokhathala.Matla a sa lekaneng a ho thibela kapa ho senya bokaholimo ba disk e phatlohileng ho tla lebisa ho fokotseng ho hoholo ha khatello e phatlohileng, 'me tšenyo e tebileng e tla etsa hore boema-kepe ba tokollo bo se ke ba buloa.Tlhokomelo e khethehileng e lokela ho nkoa nakong ea ho kenya.E loketse khase le mokelikeli
4, sephara poleiti groove mofuta (PC) litšobotsi tsa khatello e phatlohileng e haholo-holo e khethoa ke groove botebo, ho etsa thepa ho thata, haholo-holo ho le thata bakeng sa khatello e tlaase e nyenyane bophara tlhahiso.Khatello e phahameng ea ho sebetsa ea poleiti e bataletseng e nang le groove hangata ha e fete linako tse 0.5 tsa khatello e fokolang ea ho phatloha.Ho phatloha hammoho le phallo e fokolang ea groove, ha ho lithōle, ha ho na litlhoko tsa tšebeliso ea ketsahalo, ho hanyetsa mokhathala ha hoa lekana ho pota-pota, ho bonolo ho lebisa ho pota-potileng hlephileng, ho fella ka ho fokotseha ha khatello ea ho phatloha, maloanlahla.Hafeela tšenyo e nyenyane e sa hlahe ka har'a groove, khatello ea ho phatloha e ke ke ea fetoha haholo.E loketse lisebelisoa tsa khase le metsi
5, poleiti e sephara e phatlohileng disc (PF)②Litšobotsi tsa mofuta oa lipoleiti tse bataletseng (PF).
Ka kakaretso, khatello e phahameng ea ho sebetsa e ke ke ea feta linako tse 0.5 tsa khatello e fokolang ea ho phatloha.Likaroloana tse nyane li ka hlahisoa nakong ea ho phatloha, empa ha ho likhechana tse ka hlahisoang ka moralo o hlakileng oa sebopeho, 'me mokhathala o fokola.Ho haella ha matla a ho pota-pota ho pota-pota ho bonolo ho etsa hore libaka tse potolohileng li theohe 'me li oe, ho fella ka ho fokotseha ha khatello ea ho phatloha.Hafeela tšenyo e nyenyane e sa hlahe borokhong pakeng tsa likoti, khatello ea ho phatloha e ke ke ea fetoha haholo.Ka kakaretso e sebelisoa mokhahlelong oa khase
Graphite e phatlohang disc
Khatello e phahameng ea ho sebetsa e ke ke ea feta linako tse 0,8 tsa khatello e fokolang ea ho phatloha, ho phatloha ha litšila, ho hanyetsa mokhathala o fokolang.E na le khanyetso e ntle ea kutu ho mecha ea litaba e fapaneng, empa e ke ke ea sebelisoa bakeng sa acid e matla ea oxidizing e loketseng khase le mokelikeli.
4 Melao ea ho reha li-disc tse phatlohileng
Mofuta oa mohala oa khoutu - moralo o phatlohileng khatello - moralo o phatlohileng mocheso, joalo ka YC100-1.0-100 mohlala oa YC, moralo o phatlohileng khatello 1.0MPa, moralo o phatlohileng mocheso 100℃e bonts'a hore moralo o phatlohileng khatello ea disc e phatlohileng ho 100℃ke 1.0MPa.
Nako ea poso: Dec-02-2022