I. Kupatsanurwa kwekupisa:
Shell uye chubhu yekupisa exchanger inogona kukamurwa kuita mapoka maviri anotevera zvichienderana nemaitiro ekuumbwa.
1. Yakaomeswa chimiro chegoko uye chubhu inopisa kupisa: ichi chinopisa chinopisa chave chakagadziriswa chubhu uye ndiro yemhando, kazhinji inogona kukamurwa kuva single-tube renji uye akawanda-tube mhando yemhando mbiri.Zvakanakira zvaro zviri nyore uye compact chimiro, zvakachipa uye zvakanyanya kushandiswa;kukanganisa ndechokuti chubhu haigoni kucheneswa nemichina.
2. Shell uye tube heat exchanger ine tembiricha muripo mudziyo: inogona kuita inopisa chikamu chekuwedzera kwemahara.Chimiro chefomu chinogona kugoverwa mu:
① inoyangarara musoro mhando yekupisa inotsinhanisa: ichi chinopisa chinogona kuwedzerwa zvakasununguka kune imwe mugumo wechubhu ndiro, iyo inonzi "musoro unoyangarara".Anoshanda kune chubhu rusvingo uye goko rusvingo tembiricha musiyano mukuru, iyo chubhu bundle nzvimbo inowanzocheneswa.Nekudaro, chimiro chayo chakanyanya kuoma, kugadzirisa uye kugadzira mutengo wakakwira.
② U-yakaumbwa chubhu kupisa exchanger: ine chete chubhu ndiro, saka chubhu inogona kusununguka kuwedzera uye chibvumirano kana yapisa kana kutonhora.Chimiro cheichi chinopisa chinopisa chiri nyore, asi basa rekugadzira bend rakakura, uye nekuti chubhu inoda kuve neimwe radius inokotama, mashandisirwo echubhu ndiro haina kunaka, iyo chubhu inocheneswa nemichina yakaoma kubvisa uye kutsiva. iyo machubhu haisi nyore, saka inodiwa kuti ipfuure nemumachubhu emvura yakachena.Ichi chinopisa chinopisa chinogona kushandiswa kuchinja kukuru kwekushisa, kupisa kwakanyanya kana nguva dzekumanikidza.
③ kurongedza bhokisi rudzi rwekupisa exchanger: ine mafomu maviri, imwe iri muchubhu ndiro pamagumo echubhu imwe neimwe ine yakaparadzana yekurongedza chisimbiso kuti ive nechokwadi chekuti yemahara yekuwedzera uye kuputika kwechubhu, kana huwandu hwechubhu mune yekupisa exchanger. idiki kwazvo, isati yashandiswa chimiro ichi, asi chinhambwe pakati pechubhu pane general heat exchanger kuti ive yakakura, yakaoma chimiro.Imwe fomu inogadzirwa mune imwe mugumo wechubhu uye goko rinoyangarara chimiro, munzvimbo inoyangarara uchishandisa chisimbiso chese chekurongedza, chimiro chiri nyore, asi chimiro ichi hachisi nyore kushandisa mune yakakura dhayamita, yakanyanya kudzvanywa.Stuffing box type heat exchanger haichawanzo shandiswa izvozvi.
II.Ongororo yemamiriro ekugadzira:
1. dhizaini yekupisa yekupisa, mushandisi anofanira kupa zvinotevera dhizaini mamiriro (maitiro ekugadzirisa):
① chubhu, shell chirongwa chinoshanda kumanikidza (seimwe yemamiriro ekuona kana michina iri mukirasi, inofanirwa kupihwa)
② chubhu, chirongwa chegoko chinoshanda tembiricha (inopinza / yekubuda)
③ simbi yemadziro tembiricha (yakaverengerwa nemaitiro (inopihwa nemushandisi))
④Zita rechinhu uye maitiro
⑤Corrosion margin
⑥Kuwanda kwezvirongwa
⑦ nzvimbo yekupisa kupisa
⑧ heat exchanger chubhu zvinotsanangurwa, kuronga (triangular kana sikweya)
⑨ kupeta ndiro kana nhamba yendiro yekutsigira
⑩ insulation zvinhu uye ukobvu (kuitira kuona nameplate chigaro chinobuda kureba)
(11) Pendi.
Ⅰ.Kana mushandisi ane zvakakosha zvinodiwa, mushandisi kupa mhando, ruvara
Ⅱ.Vashandi havana zvakakosha zvinodiwa, ivo vanogadzira ivo pachavo vakasarudza
2. Mamiriro akawanda ekugadzirisa zvakakosha
① Operating pressure: seimwe yemamiriro ezvinhu ekuona kana michina yacho yakamurwa, inofanirwa kupihwa.
② hunhu hwezvinhu: kana mushandisi akasapa zita rezvinyorwa zvinofanirwa kupa huwandu hwehupfu hwezvinhu.
Nekuti huturu hwepakati hwakabatana nekusaparadza kutarisisa kwemidziyo, kupisa kupisa, mwero wefogi yekirasi yepamusoro yemidziyo, asi zvakare ine chekuita nekugovaniswa kwemidziyo:
a, GB150 10.8.2.1 (f) mifananidzo inoratidza kuti mudziyo une njodzi yakanyanya kana ine njodzi zvakanyanya yehuturu 100% RT.
b.
c.Forgings.Iko kushandiswa kwehupfu hwepakati kune yakanyanyisa kana ine njodzi yekubira kunofanirwa kuzadzisa zvinodiwa zveKirasi III kana IV.
③ Mamiriro epombi:
Inowanzo shandiswa kabhoni simbi φ19×2, φ25×2.5, φ32×3, φ38×5
Simbi isina tsvina φ19×2, φ25×2, φ32×2.5, φ38×2.5
Kurongeka kwemachubhu ekupisa kupisa: katatu, kona yekona, mativi, mativi ekona.
★ Kana kucheneswa kwemagetsi kuchidikanwa pakati pemachubhu ekupisa, kurongeka kweskweya kunofanira kushandiswa.
1. Dhizaini yekumanikidza, tembiricha yekugadzira, welding joint coefficient
2. Diameter: DN <400 cylinder, kushandiswa kwepombi yesimbi.
DN ≥ 400 silinda, uchishandisa simbi ndiro yakakungurutswa.
16" simbi pombi ------ nemushandisi kukurukura kushandiswa kwesimbi ndiro yakakungurutswa.
3. Dhizaini yekurongeka:
Zvinoenderana nenzvimbo yekutamisa kupisa, kupisa kwekutamisa chubhu maratidziro ekudhirowa dhizaini yedhizaini kuona huwandu hwemachubhu ekupisa.
Kana mushandisi akapa dhayagiramu yepombi, asi zvakare kuongorora iyo pombi iri mukati mepiping muganhu denderedzwa.
★Simboti yekuisa pombi:
(1) mupombi yekumisa denderedzwa inofanira kunge izere nepombi.
② kuwanda kwepombi ye-multi-stroke inofanira kuedza kuenzanisa nhamba yekurohwa.
③ Heat exchanger chubhu inofanirwa kurongeka zvakaenzanirana.
4. Zvinhu
Kana iyo chubhu ndiro pachayo iine convex fudzi uye yakabatana necylinder (kana musoro), kuumba kunofanira kushandiswa.Nekuda kwekushandiswa kwechimiro chakadaro chechubhu ndiro inowanzo shandiswa kune yakakwira kudzvinyirirwa, kupfuta, kuputika, uye chepfu kune yakanyanyisa, ine njodzi zviitiko, izvo zvakakwirira zvinodikanwa zvechubhu ndiro, chubhu ndiro yakakora zvakare.Kuti udzivise iyo convex bendekete kugadzira slag, delamination, uye kugadzirisa iyo convex pfudzi fiber kushushikana mamiriro, kuderedza huwandu hwekugadzirisa, kuchengetedza zvinhu, iyo convex bendekete uye chubhu ndiro yakanyatso kuumbwa kunze kweiyo yakazara kugadzira kugadzira iyo chubhu ndiro. .
5. Heat exchanger uye tube plate connection
Tube muhuputi plate yekubatanidza, mune dhizaini yegoko uye chubhu yekupisa exchanger ndiyo inonyanya kukosha chikamu chechimiro.Iye haangogadzirise mutoro webasa, uye anofanirwa kuita kubatanidza kwega kwega mukushanda kwemidziyo kuti ave nechokwadi chekuti yepakati isina kuvuza uye inomira yepakati kudzvanywa simba.
Kubatana kwechubhu uye chubhu ndiro dzinonyanya nzira nhatu dzinotevera: kuwedzera;b welding;c kuwedzera welding
Kuwedzera kwegoko uye chubhu pakati pekubuda kwenhau hakuzokonzerese mhedzisiro yemamiriro ezvinhu, kunyanya kune iyo weldability yezvinhu haina kunaka (senge carbon steel heat exchanger chubhu) uye basa remuchina wekugadzira rakakurisa.
Nekuda kwekuwedzera kwekupera kwechubhu mu welding epurasitiki deformation, kune kusara kunetseka, nekukwira kwekushisa, kushushikana kwakasara kunopera zvishoma nezvishoma, kuitira kuti kupera kwechubhu kuderedze basa rekuisa chisimbiso nekubatanidza, saka kuwedzera kwechimiro nekumanikidza uye tembiricha zvipimo, zvinowanzoshanda kune dhizaini yekumanikidza ≤ 4Mpa, dhizaini yekupisa ≤ 300 madhigirii, uye mukushanda kweiyo isina kudengenyeka kwechisimba, hapana yakanyanya kushanduka tembiricha uye hapana kwakakosha Stress corrosion. .
Welding yekubatanidza ine zvakanakira kugadzirwa kwakapusa, kushanda kwepamusoro uye kubatana kwakavimbika.Kuburikidza nekuputira, iyo chubhu kune chubhu ndiro ine basa riri nani mukuwedzera;uye zvakare inogona kuderedza pombi gomba kugadzirisa zvinodiwa, kuchengetedza nguva yekugadzirisa, kugadzirisa nyore uye zvimwe zvakanakira, inofanira kushandiswa sechinhu chakakosha.
Mukuwedzera, kana iyo yepakati toxicity yakakura kwazvo, iyo yepakati nemhepo yakavhenganiswa Zviri nyore kuputika svikiro iri radioactive kana mukati uye kunze kwepombi zvinhu kusanganiswa kuchava nemhedzisiro yakaipa, kuitira kuve nechokwadi kuti majoini akavharwa, asi. zvakare kazhinji kushandisa welding nzira.Welding nzira, kunyange zvazvakanakira vakawanda, nokuti haagoni zvachose kudzivisa "kutsemuka ngura" uye welded nodes kushushikana ngura, uye nhete pombi rusvingo uye gobvu pombi ndiro zvakaoma kuwana yakavimbika weld pakati.
Welding nzira inogona kuva yakakwirira tembiricha kupfuura kuwedzera, asi pasi pechiito chepamusoro tembiricha cyclic kusagadzikana, iyo weld inotapukirwa nekuneta kutsemuka, chubhu uye chubhu gomba gap, kana ichiiswa kune inoora media, kukurumidza kukuvara kwejoini.Naizvozvo, pane welding uye kuwedzera majoini anoshandiswa panguva imwe chete.Izvi hazvingonatsidzire kuramba kuneta kwejoint, asi zvakare zvinoderedza hunhu hwe crevice corrosion, uye nekudaro hupenyu hwayo hwesevhisi hurefu kwazvo kupfuura kana welding chete ichishandiswa.
Mune zviitiko zvipi zvakakodzerwa nekushandiswa kwewelding uye kuwedzera majoini uye nzira, hapana chiyero chakafanana.Kazhinji mutembiricha haina kunyanya kukwira asi kumanikidza kwakakwira zvakanyanya kana svikiro iri nyore kudonha, kushandiswa kwesimba rekuwedzera uye kuvhara weld (kuisa chisimbiso weld kunoreva kungodzivirira kuvuza uye kushandiswa kweiyo weld, uye haivimbisi. simba).
Kana kudzvinyirirwa uye tembiricha zvanyanya, kushandiswa kwesimba welding uye namatidza kuwedzera, (simba welding ndeye kunyangwe iyo weld ine yakasimba, asiwo kuve nechokwadi chekuti mubatanidzwa une simba rakakura rekusimba, kazhinji rinoreva kusimba kwe weld yakaenzana nesimba repombi pasi peaxial load kana welding).Basa rekuwedzera rinonyanya kubvisa crevice corrosion uye kugadzirisa kuneta kuramba kwe weld.Yakanangana zvimiro zvimiro zveiyo standard (GB/T151) yakatemwa, haizoendi mune zvakadzama pano.
Kune pombi hole pamusoro roughness zvinodiwa:
a, apo kupisa exchanger chubhu uye chubhu ndiro welding kubatana, nechubhu pamusoro roughness Ra kukosha haasi mukuru kupfuura 35uM.
b, imwe yekupisa inotsinhanisa chubhu uye chubhu yekuwedzera yekubatanidza, iyo chubhu gomba pamusoro roughness Ra kukosha haina kukura kupfuura 12.5uM yekuwedzera yekubatanidza, iyo tube hole yepamusoro haifanire kukanganisa kuwedzera kusimba kwehurema, senge kuburikidza nelongitudinal kana spiral. scoring.
III.Design kukarukureta
1. Shell rusvingo ukobvu kuverenga (kusanganisira pombi bhokisi pfupi chikamu, musoro, goko chirongwa humburumbira madziro ukobvu kuverenga) pombi, goko chirongwa humburumbira madziro ukobvu inofanira kusangana hushoma madziro ukobvu muna GB151, nokuda kabhoni simbi uye yakaderera alloy simbi hushoma madziro ukobvu zvinoenderana. kune corrosion margin C2 = 1mm kufunga nezvenyaya yeC2 yakakura kupfuura 1mm, iyo shoma madziro emadziro egoko anofanira kuwedzera zvinoenderana.
2. Kuverengera kuvhurika gomba reinforcement
Kune goko uchishandisa simbi chubhu system, zvinokurudzirwa kushandisa iyo yekusimbisa yese (kuwedzera humbururu hwemadziro kana kushandisa gobvu-yakavezwa chubhu);kune yakakora chubhu bhokisi pane gomba hombe kufunga nezvehupfumi hwese.
Hapana imwe yekusimbisa inofanirwa kusangana nezvinodiwa zvemapoinzi akati wandei:
① dhizaini yekumanikidza ≤ 2.5Mpa;
② Hunhambwe hwepakati pakati pemakomba maviri ari padhuze haafanire kunge ari pasi pekaviri huwandu hwehupamhi hwemakomba maviri;
③ Zita dhayamita yeanogamuchira ≤ 89mm;
④ tora iyo yakaderera madziro ukobvu kunofanirwa kuve Tafura 8-1 zvinodiwa (tora pamusoro pekuora margin ye1mm).
3. Flange
Equipment flange uchishandisa yakajairika flange inofanirwa kuterera kune flange uye gasket, fasteners mechi, zvikasadaro flange inofanira kuverengerwa.Semuyenzaniso, mhando A flat welding flange mune mwero neayo anofananidzira gasket kune asiri-metallic nyoro gasket;apo kushandiswa kwemhepo inoputika gasket kunofanira kuverengerwa zvakare kune flange.
4. Pipe ndiro
Inofanirwa kutarisisa kune zvinotevera nyaya:
① tube plate yekugadzira tembiricha: Zvinoenderana nezvinodiwa zveGB150 uye GB/T151, haifanirwe kutorwa isingasviki tembiricha yesimbi yechikamu, asi mukuverenga kwechubhu ndiro haigone kuvimbisa kuti chubhu ganda rinogadzira media basa, uye iyo tembiricha yesimbi yechubhu ndiro yakaoma kuverenga, inowanzotorwa padivi repamusoro tembiricha yekugadzira yekugadzira tembiricha yechubhu plate.
② yakawanda-chubhu inopisa yekupisa: munzvimbo yepombi nzvimbo, nekuda kwekudiwa kwekumisikidza spacer groove uye kusunga tsvimbo chimiro uye yakatadza kutsigirwa nenzvimbo yekupisa yekupisa Ad: GB/T151 formula.
③Kukora kunoshanda kwechubhu ndiro
Ukobvu hunoshanda hwechubhu ndiro inoreva kuparadzaniswa kwepombi kupatsanurwa kwepasi pebulkhead groove ukobvu hwechubhu plate kubvisa huwandu hwezvinhu zviviri zvinotevera.
a, pombi corrosion margin mhiri kwakadzika kwepaipi range partition groove chikamu
b, shell program corrosion margin uye chubhu plate muchikamu chechirongwa chegoko chechimiro chegorofu kudzika kwezvirimwa zviviri zvikuru.
5. Majoini ekuwedzera akaiswa
Mune yakagadziriswa chubhu uye ndiro yekupisa exchanger, nekuda kwekusiyana kwetembiricha pakati pemvura muchubhu kosi uye chubhu kosi fluid, uye kupisa exchanger uye goko uye chubhu ndiro yakagadziriswa kubatana, kuitira kuti mukushandiswa kwehurumende, goko. uye mutsauko wekuwedzera wechubhu uripo pakati pegoko nechubhu, goko uye chubhu kune axial mutoro.Kuti udzivise goko uye kupisa kunopisa kukuvadzwa, kupisa kuchinjisa destabilization, kupisa exchanger chubhu kubva pachubhu ndiro inobvisa, inofanirwa kumisikidzwa majoini ekuwedzera kuderedza goko uye kupisa exchanger axial mutoro.
Kazhinji mugoko uye kupisa kuchinjisa madziro tembiricha musiyano wakakura, inofanirwa kufunga kuseta iyo yekuwedzera yejoint, muchubhu plate kuverenga, zvichienderana nekusiyana kwetembiricha pakati peakasiyana akajairwa mamiriro akaverengerwa σt, σc, q, imwe yacho inotadza kukodzera. , zvakakosha kuwedzera mubatanidzwa wekuwedzera.
σt - axial kushushikana kweiyo inopisa exchanger chubhu
σc - shell process cylinder axial stress
q-- Iyo yekupisa inopisa chubhu uye chubhu yekubatanidza kwesimba rekudhonza
IV.Structural Design
1. Pipe bhokisi
(1) Kureba kwebhokisi repombi
a.Kudzika kudiki kwemukati
① kusvika pakuvhurwa kwepombi imwe chete yebhodhoro rebhokisi, kudzika kudiki pakati pekuvhura hakufanirwe kunge kuri pasi pe1/3 yedhayamita yemukati yemugamuchiri;
② kudzika kwemukati nekunze kwepombi yepombi kunofanirwa kuve nechokwadi chekuti nzvimbo shoma yekutenderera pakati pemakosi maviri haisi pasi pe 1.3 nguva yekutenderera kweiyo inopisa exchanger chubhu pakosi;
b, iyo yakanyanya kudzika mukati
Funga kana zviri nyore kupinza uye kuchenesa mukati memukati, kunyanya kune dhayamita yezita rediki-multi-tube heat exchanger.
(2) Kupatsanura chirongwa chekuparadzanisa
Ukobvu uye kurongeka kwechikamu maererano neGB151 Tafura 6 uye Mufananidzo 15, nokuda kwehupamhi hukuru kupfuura 10mm yekuparadzanisa, nzvimbo yekuisa chisimbiso inofanira kuderedzwa kusvika 10mm;kune iyo chubhu yekupisa yekutsinhanisa, kupatsanurwa kunofanirwa kumisikidzwa pagomba rekubvarura (gomba rekudonhedza), gomba rekudonhedza dhayamita rinowanzoita 6mm.
2. Shell uye tube bundle
①Tube bundle level
Ⅰ, Ⅱ level chubhu bundle, chete yekabhoni simbi, yakaderera alloy simbi yekupisa inotsinhanisa chubhu yepamba zviyero, kuchine "yepamusoro nhanho" uye "yakajairika level" yakagadziridzwa.Kamwe iyo yemba yekupisa yekutsinhana chubhu inogona kushandiswa "yepamusoro" simbi pombi, kabhoni simbi, yakaderera alloy simbi yekupisa chubhu bundle haifanirwe kukamurwa kuita Ⅰ uye Ⅱ nhanho!
Ⅰ, Ⅱ chubhu bundle yemusiyano iri kunyanya mukupisa exchanger chubhu kunze kwedhayamita, kutsauka kwemadziro kwakasiyana, saizi inoenderana negomba uye kutsauka kwakasiyana.
Giredhi Ⅰ chubhu bundle yemhando yepamusoro inodiwa, yesimbi isina tsvina yekupisa inochinja chubhu, chete Ⅰ chubhu bundle;yeinowanzo shandiswa kabhoni simbi inopisa exchanger chubhu
② Tube ndiro
a, chubhu gomba saizi kutsauka
Ziva musiyano uripo pakati pe Ⅰ, Ⅱ level chubhu bundle
b, chirongwa chekuparadzanisa groove
Ⅰ slot kudzika kazhinji hakusi pasi pe4mm
Ⅱ sub-program partition slot width: carbon steel 12mm;simbi isina tsvina 11mm
Ⅲ maminetsi echikamu chekuparadzanisa slot kona chamfering inowanzoita 45 madhigirii, chamfering hupamhi b inenge yakaenzana neradius R yekona yeminiti renji gasket.
③ndiro yekupeta
a.Pipe hole size: inosiyaniswa nebundle level
b, uta hwekupeta ndiro notch urefu
Kureba kweNotch kunofanirwa kunge kuri kuitira kuti mvura kuburikidza nemugero nechiyero chekuyerera ichipfuura nechubhu bundle yakafanana nehurefu hwenoti inowanzotorwa 0.20-0.45 nguva yemukati dhayamita yekona yakatenderedzwa, notch inowanzochekwa mumutsara wepombi pazasi pepakati. mutsetse kana kucheka mumitsara miviri yemakomba epombi pakati pebhiriji duku (kuita kuti zvive nyore kupfeka pombi).
c.Notch orientation
Imwe-nzira yakachena mvura, notch kumusoro uye pasi kuronga;
Gasi rine hushoma hwemvura, notch kumusoro kune yakaderera chikamu cheplate yekupeta kuti uzarure chiteshi chemvura;
Liquid ine gasi shoma, inodzika yakananga kuchikamu chepamusoro cheplate inopetwa kuti uvhure chiteshi chekufefetera.
Gasi-mvura kugarisana kana mvura ine zvinhu zvakasimba, notch kuruboshwe uye kurudyi kurongeka, uye vhura chiteshi chemvura munzvimbo yakaderera.
d.Ukobvu hudiki hwekupeta ndiro;hurefu husingatsigirwi
e.Mahwendefa ekupeta kumativi ese echubhu bundle ari padyo sezvinobvira kune shell inlet uye inobuda inogamuchira.
④Sunga tsvimbo
a, dhayamita uye nhamba yezvisungo tsvimbo
Diameter uye nhamba maererano neTafura 6-32, 6-33 kusarudzwa, kuitira kuti ive nechokwadi chokuti yakakura kudarika kana yakaenzana nenzvimbo ye-cross-sectional ye tie tsvimbo yakapiwa muTebhurari 6-33 pasi pechikonzero chedhayamita uye nhamba yetayi. tsvimbo inogona kuchinjwa, asi dhayamita yaro haifaniri kunge iri pasi pe10mm, nhamba isingasviki mana
b, tambo yekusungirira inofanira kurongeka zvakaenzana sezvinobvira mumucheto wekunze wechubhu bundle, kune yakakura dhayamita yekupisa inotsinhanisa, munzvimbo yepombi kana padhuze negevha rekupeta ndiro rinofanira kurongedzerwa muhuwandu hwakakodzera hwetambo tsvimbo, chero kupeta. ndiro haifanire kunge isingasviki 3 mapoinzi ekutsigira
c.Sunga tsvimbo nut, vamwe vashandisi vanoda zvinotevera nati uye kupeta ndiro welding
⑤ Anti-flush ndiro
a.Iyo yekumisikidza ye-anti-flush ndiro ndeyekudzikisa kusaenzana kugovera kwemvura uye kukukurwa kweiyo inopisa exchanger chubhu kupera.
b.Kugadzirisa nzira ye-anti-washout plate
Sezvinogoneka zvakagadziriswa mune yakagadziriswa-pitch chubhu kana padhuze nechubhu ndiro yekutanga kupeta ndiro, kana goko rinopinda riri mutsvimbo isina kugadzika padivi pechubhu ndiro, iyo anti-scrabling plate inogona kusungirirwa. kumuviri wehumburumbira
(6) Kugadzika kwemajoini ekuwedzera
a.Iri pakati pemativi maviri endiro yekupeta
Kuti uderedze kushomeka kwemvura yejoint yekuwedzera, kana zvichidikanwa, mujoint yekuwedzera mukati mechubhu ye liner, chubhu ye liner inofanira kusungirirwa kugoko nenzira yekuyerera kwemvura, kune yakatwasuka yekutsinhanisa kupisa. iyo fluid inoyerera inoenda kumusoro, inofanirwa kumisikidzwa pamucheto wezasi we liner chubhu yekuburitsa maburi
b.Kuwedzera majoini emudziyo wekudzivirira kudzivirira midziyo mukufambisa kana kushandiswa kwekudhonza iyo yakaipa
(vii) kubatana pakati pechubhu ndiro negoko
a.Kuwedzerwa kunowedzera kaviri se flange
b.Pipe ndiro isina flange (GB151 Appendix G)
3. Pipe flange:
① dhizaini tembiricha yakakura kupfuura kana yakaenzana ne300 madhigirii, inofanira kushandiswa butt flange.
② iyo yekupisa yekupisa haigone kushandiswa kutora iyo interface kuti irege uye ibudise, inofanirwa kuiswa muchubhu, nzvimbo yepamusoro yegoko rekubuda ropa, nzvimbo yakaderera yechiteshi chekuburitsa, iyo diki dhayamita yezita. zve20mm.
③ Vertical heat exchanger inogona kuseta chiteshi chekufashukira.
4. Tsigiro: GB151 mhando maererano nezvinodiwa zveChinyorwa 5.20.
5. Zvimwe zvinhu
① Kusimudza makumbo
Hunhu hwakakura kupfuura 30Kg yepamutemo bhokisi uye pombi bhokisi chivharo chinofanira kusetwa lugs.
② waya yepamusoro
Kuti kufambisa kubviswa kwepombi bhokisi, pombi bhokisi chivharo, inofanira kuiswa mubhodhi yepamutemo, pombi bhokisi rinovhara pamusoro waya.
V. Manufacturing, kuongorora zvinodiwa
1. Pipe ndiro
① spliced tube plate butt joints ye 100% ray yekuongorora kana UT, inokodzera nhanho: RT: Ⅱ UT: Ⅰ level;
② Pamusoro pesimbi isina tsvina, spliced pombi ndiro inosimbisa kupisa kurapwa;
③ chubhu ndiro gomba bhiriji upamhi kutsauka: zvinoenderana neformula yekuverenga hupamhi hwegomba zambuko: B = (S - d) - D1
Minimum upamhi hwegomba bhiriji: B = 1/2 (S - d) + C;
2. Tube bhokisi kupisa kurapwa:
Kabhoni simbi, yakaderera alloy simbi yakashongedzerwa ine kupatsanurwa-renji kupatsanura kwepombi bhokisi, pamwe nepombi bhokisi re lateral mazaruro anopfuura 1/3 yemukati dhayamita ye cylinder pombi bhokisi, mukushandiswa kwewelding yekushushikana. rubatsiro rwekupisa kurapwa, flange uye chikamu chekuisa chisimbiso chepamusoro chinofanira kugadziriswa mushure mekupisa kurapwa.
3. Muedzo wepressure
Kana iyo goko dhizaini dhizaini yakadzikira pane chubhu process kudzvanywa, kuitira kuti utarise kunaka kweiyo inopisa exchanger chubhu uye chubhu yekubatanidza.
① Shell chirongwa chinomanikidza kuwedzera bvunzo kudzvanywa nepombi chirongwa chinoenderana neiyo hydraulic bvunzo, kutarisa kana kubuda kwepombi majoini.(Zvisinei, zvinodikanwa kuve nechokwadi kuti yekutanga firimu kushushikana kwegoko panguva yekuedzwa kwehydraulic ndeye ≤0.9ReLΦ)
② Kana iyo nzira iri pamusoro isina kukodzera, goko rinogona kuve hydrostatic bvunzo zvinoenderana nekutanga kudzvanywa mushure mekupfuura, uyezve goko reammonia kuvuza bvunzo kana halogen kuvuza bvunzo.
VI.Dzimwe nyaya dzinofanirwa kucherechedzwa pamachati
1. Ratidza mwero wechubhu bundle
2. Heat exchanger chubhu inofanira kunyorwa kunyora nhamba
3. Tube plate piping line contour line kunze kwekavharwa gobvu rakasimba
4. Gungano rinodhirowa rinofanira kunyorwa kupeta ndiro gap orientation
5. Yakajairwa yekuwedzera majoini ekuburitsa maburi, maburi ekuburitsa pamajoini epombi, pombi plugs dzinofanira kunge dziri kunze kwemufananidzo.
Nguva yekutumira: Oct-11-2023