Ra'ayin Zane Mai Canjin Zafi Da Ilimi Mai Ma'ana

I. Rarraba masu musayar zafi:

Za'a iya raba harsashi da mai musanya zafi zuwa nau'i biyu masu zuwa bisa ga halaye na tsari.

1. Tsare-tsare mai tsauri na harsashi da mai musayar zafi: wannan mai musayar zafi ya zama tsayayyen bututu da nau'in faranti, yawanci ana iya raba shi zuwa kewayon bututu guda ɗaya da kewayon bututu iri biyu.Amfaninsa shine tsari mai sauƙi da ƙaƙƙarfan tsari, arha kuma ana amfani dashi ko'ina;hasara shi ne cewa tube ba za a iya tsabtace da inji.

2. Shell da tube mai zafi mai zafi tare da na'urar ramuwa mai zafi: zai iya yin ɓangaren zafi na fadada kyauta.Za a iya raba tsarin tsari zuwa:

① mai iyo irin nau'in zafi mai zafi: ana iya faɗaɗa wannan na'ura mai zafi a ɗaya ƙarshen farantin bututu, abin da ake kira "kai mai iyo".Ya shafi bangon bututu da bambancin zafin jiki na harsashi yana da girma, ana tsaftace bututun bututun sararin samaniya.Duk da haka, tsarinsa ya fi rikitarwa, sarrafawa da farashin masana'antu sun fi girma.

 

② U-dimbin bututu mai musayar zafi: yana da farantin bututu guda ɗaya kawai, don haka bututun na iya zama 'yanci don faɗaɗawa da kwangila lokacin zafi ko sanyaya.Tsarin wannan mai musayar zafi yana da sauƙi, amma aikin masana'anta na lanƙwasa ya fi girma, kuma saboda bututun yana buƙatar samun wani radius mai lanƙwasa, yin amfani da farantin bututu ba shi da kyau, bututun yana tsabtace injin da wahala a wargajewa da maye gurbinsa. tubes ba sauki ba, don haka ana buƙatar wucewa ta cikin tubes na ruwa yana da tsabta.Ana iya amfani da wannan na'urar musayar zafi don manyan canje-canjen zafin jiki, yawan zafin jiki ko lokutan matsa lamba.

③ shirya akwatin nau'in zafi mai zafi: yana da nau'i biyu, ɗayan yana cikin farantin bututu a ƙarshen kowane bututu yana da hatimin marufi daban don tabbatar da cewa haɓakawa da haɓakar bututun kyauta, lokacin da adadin bututu a cikin mai musayar zafi yana da ƙanƙanta sosai, kafin amfani da wannan tsarin, amma nisa tsakanin bututu fiye da na yau da kullum mai zafi ya zama babban tsari mai rikitarwa.Ana yin wani nau'i a cikin ɗayan ƙarshen bututu da harsashi na iyo tsarin, a cikin wurin iyo ta amfani da hatimin marufi duka, tsarin ya fi sauƙi, amma wannan tsarin ba shi da sauƙin amfani a cikin yanayin babban diamita, matsa lamba.Ba kasafai ake amfani da nau'in akwatin musanya zafi ba yanzu.

II.Binciken yanayin ƙira:

1. Zane mai musayar zafi, mai amfani ya kamata ya samar da yanayin ƙira mai zuwa ( sigogin tsari):

① tube, harsashi shirin aiki matsa lamba (a matsayin daya daga cikin yanayi don sanin ko kayan aiki a kan aji, dole ne a bayar)

② tube, harsashi shirin aiki zafin jiki (shiga / kanti)

③ zafin bangon ƙarfe (ƙididdige shi ta hanyar tsari (mai amfani ya samar))

④ Sunan abu da halaye

⑤Gwargwadon lalacewa

⑥ Yawan shirye-shirye

⑦ wurin canja wurin zafi

⑧ zafi musayar bututu bayani dalla-dalla, tsari (triangular ko square)

⑨ farantin nadawa ko adadin farantin tallafi

⑩ rufi abu da kauri (domin tantance sunan farantin kujera protruding tsawo)

(11) Fenti.

Ⅰ.Idan mai amfani yana da buƙatu na musamman, mai amfani don samar da alama, launi

Ⅱ.Masu amfani ba su da buƙatu na musamman, masu zane da kansu sun zaɓa

2. Yanayin ƙira da yawa

① Matsin aiki: a matsayin ɗaya daga cikin sharuɗɗa don ƙayyade ko an rarraba kayan aiki, dole ne a ba da shi.

② Halayen kayan abu: idan mai amfani bai samar da sunan kayan ba dole ne ya samar da matakin guba na kayan.

Saboda yawan guba na matsakaici yana da alaƙa da rashin lalacewa na kayan aiki, maganin zafi, matakin ƙirƙira don manyan kayan aiki, amma kuma yana da alaƙa da rarraba kayan aiki:

a, GB150 10.8.2.1 (f) zane-zane sun nuna cewa kwandon yana riƙe da matsananciyar haɗari ko matsananciyar haɗari 100% RT.

b, 10.4.1.3 zane-zane sun nuna cewa kwantena da ke riƙe da watsa labarai masu haɗari ko haɗari masu haɗari don guba ya kamata su kasance maganin zafi bayan walda (welded gidajen abinci na austenitic bakin karfe mai yiwuwa ba za a bi da zafi ba)

c.Forgings.Yin amfani da matsakaitan guba don matsananci ko haɗari mai haɗari ya kamata ya dace da buƙatun Class III ko IV.

③ Bayanin bututu:

Mafi yawan amfani da carbon karfe φ19×2, φ25×2.5, φ32×3, φ38×5

Bakin Karfe φ19×2, φ25×2, φ32×2.5, φ38×2.5

Shirye-shiryen bututun musayar zafi: alwatika, kusurwar kusurwa, murabba'i, murabba'in kusurwa.

★ Lokacin da ake buƙatar tsaftacewa na inji tsakanin bututun musayar zafi, ya kamata a yi amfani da tsarin murabba'i.

1. Tsarin ƙira, zafin ƙira, haɗin haɗin gwiwar walda

2. Diamita: DN <400 Silinda, yin amfani da bututun ƙarfe.

DN ≥ 400 Silinda, ta amfani da farantin karfe birgima.

16" karfe bututu ------ tare da mai amfani don tattauna amfani da karfe farantin birgima.

3. Tsarin tsari:

Dangane da wurin canja wurin zafi, ƙayyadaddun bututun canja wurin zafi don zana zanen shimfidar wuri don ƙayyade adadin bututun canja wurin zafi.

Idan mai amfani ya ba da zane na bututu, amma kuma don duba bututun yana cikin da'irar iyakar bututu.

★Ka'idojin shimfida bututu:

(1) a cikin da'irar iyakar bututu ya kamata ya kasance cike da bututu.

② adadin bututun bugun jini da yawa yakamata yayi ƙoƙarin daidaita adadin bugun jini.

③ Ya kamata a shirya bututun musayar zafi daidai gwargwado.

4. Kayan abu

Lokacin da farantin bututu kanta yana da kafaɗa mai madaidaici kuma an haɗa shi da Silinda (ko kai), ya kamata a yi amfani da ƙirƙira.Saboda yin amfani da irin wannan tsarin na tube farantin gaba daya amfani ga mafi girma matsa lamba, flammable, fashewar, da kuma guba ga matsananci, sosai m lokatai, mafi girma da bukatun ga tube farantin, da tube farantin ne kuma thicker.Domin kauce wa convex kafada don samar da slag, delamination, da kuma inganta convex kafada fiber danniya yanayi, rage yawan aiki, ceto kayan, da convex kafada da bututu farantin kai tsaye ƙirƙira daga cikin gaba ɗaya ƙirƙira don kerar da tube farantin. .

5. Mai musayar zafi da haɗin farantin bututu

Bututu a cikin haɗin farantin bututu, a cikin ƙirar harsashi da bututun zafi mai zafi shine mafi mahimmancin ɓangaren tsarin.Ba wai kawai sarrafa nauyin aiki ba, kuma dole ne ya sanya kowane haɗin gwiwa a cikin aikin kayan aiki don tabbatar da cewa matsakaici ba tare da yaduwa ba kuma ya tsayayya da matsakaicin matsakaicin matsakaici.

Haɗin Tube da farantin bututu galibi sune hanyoyi uku masu zuwa: faɗaɗawa;b waldi;c fadada waldi

Fadada harsashi da bututu tsakanin kafofin watsa labarai yayyo ba zai haifar da m sakamakon halin da ake ciki, musamman ga kayan weldability ne matalauta (kamar carbon karfe zafi Exchanger tube) da masana'antu shuka ta aiki nauyi ne da yawa.

Saboda fadada ƙarshen bututu a cikin nakasar filastik na walda, akwai raguwar damuwa, tare da haɓakar zafin jiki, damuwa da saura a hankali ya ɓace, don haka ƙarshen bututu don rage rawar rufewa da haɗin gwiwa. don haka fadada tsarin ta hanyar matsa lamba da ƙarancin zafin jiki, gabaɗaya ya dace da matsa lamba na ƙira ≤ 4Mpa, ƙirar zafin jiki ≤ 300 digiri, kuma a cikin aiki na babu tashin hankali tashin hankali, babu matsanancin zafin jiki canje-canje kuma babu wani gagarumin damuwa lalata. .

Haɗin walda yana da fa'idodin samarwa mai sauƙi, ingantaccen inganci da haɗin gwiwa mai dogaro.Ta hanyar waldawa, bututu zuwa farantin bututu yana da tasiri mai kyau wajen haɓakawa;kuma yana iya rage buƙatun sarrafa bututun bututu, adana lokacin sarrafawa, sauƙin kulawa da sauran fa'idodi, yakamata a yi amfani da shi azaman fifiko.

Bugu da ƙari, lokacin da matsakaitan guba ya yi girma sosai, matsakaici da yanayi sun gauraye Sauƙi don fashewa matsakaicin yana da rediyoaktif ko ciki da waje da hadawar kayan bututu zai yi mummunan tasiri, don tabbatar da cewa an rufe haɗin gwiwa, amma kuma sau da yawa amfani da hanyar walda.Welding Hanyar, ko da yake da abũbuwan amfãni daga mutane da yawa, domin ba zai iya gaba daya kauce wa "crevice lalata" da kuma welded nodes na danniya lalata, da bakin ciki bututu bango da kuma lokacin farin ciki bututu farantin da wuya a samu wani abin dogara weld tsakanin.

Hanyar walda zai iya zama yanayin zafi mafi girma fiye da fadadawa, amma a ƙarƙashin aikin matsanancin zafin jiki na hawan keke, walda yana da matukar damuwa ga fashewar gajiya, bututu da ramin ramin bututu, lokacin da aka lalata kafofin watsa labarai, don haɓaka lalacewar haɗin gwiwa.Saboda haka, akwai welding da kuma fadada gidajen abinci da ake amfani da su a lokaci guda.Wannan ba wai kawai yana inganta juriyar gajiyar haɗin gwiwa ba, har ma yana rage halayen lalatawar crevice, don haka rayuwar sabis ɗin ta ya fi tsayi fiye da lokacin da ake amfani da walda kaɗai.

A waɗanne lokuta ya dace don aiwatar da walda da haɓaka haɗin gwiwa da hanyoyin, babu daidaitattun daidaitattun daidaito.Yawancin lokaci a cikin zafin jiki ba ya da yawa amma matsa lamba yana da yawa ko matsakaici yana da sauƙin zubarwa, yin amfani da fadada ƙarfin ƙarfi da walƙiya (hatimin walƙiya yana nufin kawai don hana zubarwa da aiwatar da walda, kuma baya bada garantin). karfi).

Lokacin da matsi da zafin jiki sun yi yawa sosai, yin amfani da ƙarfin walda da faɗaɗawar manna, (ƙarfafa walda ita ce ko da waldi yana da matsewa, amma kuma don tabbatar da cewa haɗin gwiwa yana da ƙarfin ƙarfi mai girma, yawanci yana nufin ƙarfin ƙarfin. weld daidai yake da ƙarfin bututu a ƙarƙashin nauyin axial lokacin waldi).Matsayin haɓakawa shine yafi don kawar da lalatawar ɓarna da haɓaka juriyar gajiyar walda.An tsara takamaiman ma'auni na tsarin (GB/T151), ba za a yi cikakken bayani ba a nan.

Domin bututu rami surface roughness bukatun:

a, a lokacin da zafi Exchanger tube da tube farantin waldi dangane, da tube surface roughness Ra darajar bai fi 35uM.

b, bututu mai musayar zafi guda ɗaya da haɗin haɓakar farantin bututu, ƙimar ramin bututun ramin ramin Ra bai wuce haɗin haɓakar 12.5uM ba, bututun rami saman bai kamata ya shafi haɓakar ƙarancin lahani ba, kamar ta hanyar madaidaiciya ko karkace. zura kwallo a raga.

III.Lissafin ƙira

1. Shell bango kauri lissafi (ciki har da bututu akwatin gajeren sashe, kai, harsashi shirin Silinda bango kauri lissafin) bututu, harsashi shirin Silinda bango kauri ya kamata hadu da m bango kauri a GB151, ga carbon karfe da low gami karfe m bango kauri ne bisa ga zuwa gefen lalata C2 = 1mm la'akari da yanayin C2 mafi girma fiye da 1mm, ya kamata a ƙara ƙananan kauri na harsashi daidai.

2. Lissafi na ƙarfafa ramin budewa

Don harsashi ta amfani da tsarin bututun ƙarfe, ana bada shawarar yin amfani da duk ƙarfafawa (ƙara kauri bangon silinda ko amfani da bututu mai kauri);don akwatin bututu mai kauri akan babban rami don la'akari da tattalin arzikin gabaɗaya.

Kada wani ƙarfafawa ya kamata ya cika buƙatun maki da yawa:

① ƙirar ƙira ≤ 2.5Mpa;

② Tsakanin tsaka-tsakin tsakanin ramukan da ke kusa da su ya kamata ba kasa da ninki biyu na adadin diamita na ramukan biyu ba;

③ Diamita mara kyau na mai karɓa ≤ 89mm;

④ ɗauka mafi ƙarancin kauri na bango ya kamata ya zama buƙatun Tebura 8-1 (ɗaukar da gefen lalata na 1mm).

3. Tufafi

Flange kayan aiki ta amfani da daidaitaccen flange ya kamata a kula da flange da gasket, madaidaicin madaidaicin, in ba haka ba ya kamata a lissafta flange.Misali, rubuta A lebur waldi flange a cikin misali tare da matching gasket ga wadanda ba karfe taushi gasket;a lokacin da yin amfani da winding gasket ya kamata a recalculated ga flange.

4. Farantin bututu

Bukatar kula da batutuwa masu zuwa:

① tube farantin zane zafin jiki: Bisa ga tanadi na GB150 da GB / T151, ya kamata a dauka ba kasa da karfe zafin jiki na bangaren, amma a cikin lissafin tube farantin ba zai iya tabbatar da cewa tube harsashi aiwatar kafofin watsa labarai rawar, da kuma zafin ƙarfe na farantin bututu yana da wuyar ƙididdige shi, ana ɗauka gabaɗaya a gefen mafi girma na ƙirar ƙira don ƙirar ƙirar ƙirar bututun.

② Multi-tube zafi Exchanger: a cikin kewayon na piping yankin, saboda da bukatar kafa spacer tsagi da ƙulla sanda tsarin da kasa samun goyon bayan da zafi Exchanger yankin Ad: GB/T151 dabara.

③A tasiri kauri daga cikin tube farantin

Ingantacciyar kauri daga cikin farantin bututu yana nufin rabuwar bututun kasan babban kauri mai kauri na farantin bututu ban da jimlar abubuwa biyu masu zuwa.

a, bututu lalata gefe bayan zurfin zurfin da bututu kewayon bangare tsagi

b, shirin harsashi lalata gefe da farantin bututu a cikin shirin harsashi gefen tsarin zurfin tsagi na manyan tsire-tsire guda biyu.

5. Fadada haɗin gwiwa saita

A cikin ƙayyadadden bututu da na'urar musayar zafi, saboda bambancin zafin jiki tsakanin ruwan da ke cikin kwas ɗin bututu da ruwan kwas ɗin bututu, da na'urar musayar zafi da harsashi da farantin bututu da aka daidaita, ta yadda a cikin amfani da ƙasa, harsashi. kuma bambancin fadada bututu yana wanzu tsakanin harsashi da bututu, harsashi da bututu zuwa nauyin axial.Don kauce wa lalacewar harsashi da zafi mai zafi, rashin daidaituwar yanayin zafi, zafi mai zafi daga bututun bututu yana cirewa, ya kamata a saita haɗin haɓaka don rage harsashi da zafi mai zafi axial load.

Gabaɗaya a cikin harsashi da zafin jiki na bangon zafin jiki yana da girma, buƙatar la'akari da saita haɗin haɓaka haɓaka, a cikin lissafin farantin bututu, bisa ga bambancin zafin jiki tsakanin nau'ikan yanayi na yau da kullun da aka lasafta σt, σc, q, ɗayan wanda ya kasa cancanta. , wajibi ne don ƙara haɓaka haɗin gwiwa.

σt - damuwa axial na bututu mai musayar zafi

σc - tsarin tsarin silinda axial danniya

q--Tsarin mai musayar zafi da haɗin farantin bututu na ƙarfin cirewa

IV.Tsarin Tsarin

1. Akwatin bututu

(1) Tsawon akwatin bututu

a.Mafi ƙarancin zurfin ciki

① zuwa buɗe hanyar bututu guda ɗaya na akwatin bututu, ƙananan zurfin a tsakiyar buɗewa bai kamata ya zama ƙasa da 1/3 na diamita na ciki na mai karɓa ba;

② zurfin ciki da waje na kwas ɗin bututu ya kamata a tabbatar da cewa mafi ƙarancin wurare dabam dabam tsakanin darussan biyu bai zama ƙasa da sau 1.3 na wurare dabam dabam na bututu mai musayar zafi a kowane hanya;

b, matsakaicin zurfin ciki

Yi la'akari da ko ya dace don waldawa da tsaftace sassan ciki, musamman don ƙananan diamita na ƙananan ƙananan tube masu zafi.

(2) Rarraba shirin daban

Kauri da tsari na bangare bisa ga GB151 Table 6 da Hoto 15, don kauri fiye da 10mm na bangare, ya kamata a datsa saman rufewa zuwa 10mm;ga bututu zafi Exchanger, da bangare ya kamata a kafa a kan tsage rami (magudanar ruwa rami), lambatu rami diamita ne kullum 6mm.

2. Shell da tube daure

① Tube matakin daure

Ⅰ, Ⅱ matakin tube dam, kawai ga carbon karfe, low gami karfe zafi Exchanger tube cikin gida nagartacce, har yanzu akwai "mafi girma matakin" da kuma "talaka matakin" ɓullo da.Da zarar cikin gida zafi Exchanger tube za a iya amfani da "mafi girma" karfe bututu, carbon karfe, low gami karfe zafi Exchanger tube dam bukatar ba za a raba zuwa Ⅰ da Ⅱ matakin!

Ⅰ, Ⅱ tube dam na bambanci ta'allaka ne yafi a cikin zafi Exchanger tube waje diamita, bango kauri sabawa ne daban-daban, da m rami size da sabawa ne daban-daban.

Grade Ⅰ tube dam na mafi girma madaidaicin buƙatun, ga bakin karfe zafi Exchanger tube, kawai Ⅰ tube cuta;ga mafi yawan amfani da carbon karfe zafi Exchanger tube

② Tube plate

a, ɓacin girman ramin bututu

Lura da bambanci tsakanin Ⅰ, Ⅱ matakin bututu bundle

b, babban tsagi na shirin

Zurfin ramin gabaɗaya baya ƙasa da 4mm

Ⅱ sub-shirin bangare nisa Ramin: carbon karfe 12mm;bakin karfe 11mm

Ⅲ Minti kewayo partition Ramin kusurwa chamfering gabaɗaya digiri 45, chamfering nisa b yayi kusan daidai da radius R na kusurwar kewayon gas ɗin minti.

③Ndawa farantin

a.Girman rami na bututu: bambanta ta matakin daure

b, tsayin baka mai nadawa faranti

Girman daraja ya kamata ya zama ruwan da ke cikin rata tare da magudanar ruwa a fadin bututun bututu mai kama da tsayin daraja ana ɗaukar 0.20-0.45 sau da diamita na ciki na kusurwar zagaye, ana yanke daraja gabaɗaya a cikin layin bututu a ƙasan cibiyar. layi ko yanke a cikin layuka biyu na ramukan bututu tsakanin ƙaramin gada (don sauƙaƙe sauƙin saka bututu).

c.Matsayin daraja

Ruwa mai tsaftar hanya ɗaya, tsari sama da ƙasa;

Gas mai ƙunshe da ƙaramin adadin ruwa, tsayin sama zuwa mafi ƙasƙanci na farantin nadawa don buɗe tashar ruwa;

Ruwan da ke ɗauke da ƙaramin adadin iskar gas, ƙasa zuwa mafi girman ɓangaren farantin nadawa don buɗe tashar samun iska.

Kasancewar ruwa-ruwa tare da iskar gas ko ruwa ya ƙunshi abubuwa masu ƙarfi, tsari na hagu da dama, da buɗe tashar ruwa a mafi ƙasƙanci wuri.

d.Mafi ƙarancin kauri na farantin nadawa;matsakaicin iyaka mara tallafi

e.Faranti masu naɗewa a ƙarshen bututun bututun suna kusa da mashigan harsashi da masu karɓa.

④ Daure sanda

a, diamita da adadin sandunan kunnen doki

Diamita da lamba bisa ga Table 6-32, 6-33 zaɓi, don tabbatar da cewa mafi girma ko daidai da giciye-section yanki na taye sanda da aka bayar a cikin Table 6-33 a karkashin gabatarwa na diamita da adadin taye. Ana iya canza sanduna, amma diamita ba zai zama ƙasa da 10mm ba, adadin bai kasa da hudu ba

b, ya kamata a shirya taye sanda a matsayin uniformly kamar yadda zai yiwu a cikin gefen waje na bututun bututu, don babban diamita na zafi mai zafi, a cikin yankin bututu ko kusa da ratar farantin nadawa ya kamata a shirya shi a cikin adadin adadin igiyoyi masu dacewa, kowane nadawa. farantin ya kamata ba kasa da 3 goyon bayan maki

c.Daure sandar goro, wasu masu amfani suna buƙatar waɗannan goro da walƙiya farantin

⑤ Anti-flush farantin

a.Saitin farantin riga-kafi shine don rage rashin daidaituwa na rarraba ruwa da kuma lalacewar ƙarshen bututun musayar zafi.

b.Hanyar gyarawa farantin anti-washout

Kamar yadda zai yiwu a gyarawa a cikin bututu mai kafaffen kafa ko kusa da farantin bututu na farantin nadawa na farko, lokacin da mashin ɗin harsashi ya kasance a cikin sandar da ba a kafa ba a gefen farantin bututu, ana iya waldawa farantin anti-scrambling. ga jikin Silinda

(6) Saitin haɗin haɗin gwiwa

a.Located tsakanin bangarorin biyu na farantin nadewa

Don rage juriya na ruwa na haɗin haɗin haɓaka, idan ya cancanta, a cikin haɗin gwiwa na fadadawa a cikin ciki na bututu mai layi, ya kamata a yi amfani da bututun layi zuwa harsashi a cikin hanyar ruwa mai gudana, don masu musayar zafi a tsaye, lokacin da jagorar kwararar ruwa zuwa sama, yakamata a saita shi a ƙarshen ƙarshen ramukan fitar da bututu mai layi

b.Fadada haɗin gwiwa na na'urar kariya don hana kayan aiki a cikin tsarin sufuri ko amfani da ja da mummuna

(vii) haɗi tsakanin farantin bututu da harsashi

a.Tsawa ya ninka azaman flange

b.Farantin bututu ba tare da flange (GB151 Karin Bayani G)

3. Bututu flange:

① zafin ƙira mafi girma ko daidai da digiri 300, yakamata a yi amfani da flange na butt.

② don zafi Exchanger ba za a iya amfani da su dauki kan ke dubawa don daina da fitarwa, ya kamata a saita a cikin tube, mafi girma batu na harsashi hanya na bleeder, mafi ƙasƙanci batu na fitarwa tashar jiragen ruwa, mafi ƙarancin maras muhimmanci diamita. da 20mm.

③ Za a iya saita na'urar musayar zafi a tsaye.

4. Tallafi: GB151 nau'in bisa ga tanadi na Mataki na ashirin da 5.20.

5. Sauran kayan haɗi

① Masu ɗagawa

Ingancin da ya fi 30Kg akwatin hukuma da murfin akwatin bututu ya kamata a saita lugs.

② saman waya

Domin sauƙaƙe da dismantling na bututu akwatin, bututu murfin murfin, ya kamata a saita a cikin hukuma hukumar, bututu akwatin cover saman waya.

V. Manufacturing, dubawa bukatun

1. Farantin bututu

① spliced ​​tube farantin butt gidajen abinci don 100% ray dubawa ko UT, m matakin: RT: Ⅱ UT: Ⅰ matakin;

② Baya ga bakin karfe, spliced ​​bututu farantin danniya taimako zafi magani;

③ tube farantin rami gada nisa karkata: bisa ga dabara don kirga nisa na ramin gada: B = (S - d) - D1

Mafi ƙarancin nisa gada rami: B = 1/2 (S - d) + C;

2. Maganin zafi akwatin tube:

Carbon karfe, low gami karfe welded tare da tsaga-kewayi bangare na bututu akwatin, kazalika da bututu akwatin na a kaikaice bude fiye da 1/3 na ciki diamita na Silinda bututu akwatin, a cikin aikace-aikace na waldi ga danniya. taimako zafi magani, flange da bangare sealing surface ya kamata a sarrafa bayan zafi magani.

3. Gwajin matsin lamba

Lokacin da harsashi tsari zane matsa lamba ne m fiye da tube tsari matsa lamba, domin duba ingancin zafi Exchanger tube da tube farantin sadarwa.

① Tsarin shirin Shell don ƙara yawan gwajin gwaji tare da shirin bututu wanda ya dace da gwajin hydraulic, don bincika ko zubar da haɗin gwiwar bututu.(Duk da haka, yana da mahimmanci don tabbatar da cewa danniya na fim na farko na harsashi a lokacin gwajin hydraulic shine ≤0.9ReLΦ)

② Lokacin da hanyar da ke sama ba ta dace ba, harsashi na iya zama gwajin hydrostatic bisa ga matsi na asali bayan wucewa, sa'an nan kuma harsashi don gwajin ƙyallen ammonia ko gwajin leka na halogen.

VI.Wasu al'amurran da za a lura a kan ginshiƙi

1. Nuna matakin bututu bututu

2. Ya kamata a rubuta bututun musayar zafi a rubuta lamba

3. Tube farantin bututun kwane-kwane line waje da rufaffiyar m line

4. Ya kamata a yi wa zane-zanen majalissar lakabin madaidaicin rata na faranti

5. Daidaitaccen ramukan ƙaddamarwa na haɓaka haɗin gwiwa, ramukan shaye-shaye akan haɗin bututu, matosai na bututu ya kamata su kasance daga cikin hoto

Ra'ayoyin ƙira mai musayar zafi an1

Lokacin aikawa: Oktoba-11-2023