I-GB 5310 20MNG Iityhubhu zeBoiler zoxinzelelo oluphezulu olungenamthungo

Inkcazelo emfutshane:

I-GB 5310 20MnG Iityhubhu zeBoiler zoxinzelelo oluPhezulu eziKhawulezayo
Ukwenziwa: Inkqubo engenamthungo, igqityiwe ishushu okanye igqityiwe kubanda.
Ubunzima bodonga(WT): 2.8 mm——150 mm.
Idayamitha yangaphandle (OD): 23 mm——1500 mm.
Ubude: 6M okanye ubude obuchaziweyo njengoko kufuneka.
Iziphelo: Isiphelo esicacileyo, isiphelo esiBeveled, sinyathelwe.


Iinkcukacha zeMveliso

Iithegi zeMveliso

Iindlela Zokuvelisa

(1)Indlela yokunyibilikisa intsimbi
I-GB 5310 20MnG intsimbi iya kunyibilikiswa sisithando sombane kunye nokucokisa isithando somlilo, isiguquli se-oksijini kunye nokucocwa kwesithando somlilo okanye indlela yokunyibilikisa i-electroslag.

(2)Iindlela zokuvelisa kunye neemfuno zemibhobho engenanto
I-tube engenanto inokuveliswa ngokuphosa ngokuqhubekayo, ukuphosa ukufa okanye ukuqengqeleka okushushu (ukwenza).

(3)Indlela yokuvelisa umbhobho wentsimbi
I-GB 5310 20MnG Iityhubhu zentsimbi ziya kwenziwa ngokuqengqeleka okushushu (ukwandiswa, ukwandiswa) okanye umzobo obandayo (ukuqengqeleka).

Umboniso weMveliso

12Cr1MoV High Pressure Seamles2
12Cr1MoV High Pressure Seamles1
12Cr1MoV High Pressure Seamles3

UNyango loBubushushu kwi-GB 5310 20MnG IiTubhu zeBoiler zoxinzelelo oluPhezulu

IBanga

Unyango lobushushu

20MnG

880 ℃~940 ℃,Eqhelekile

Ukubunjwa kweMichiza ye-GB 5310 20MnG iiThubhu zeBoiler zoxinzelelo oluphezulu

Umbhobho wentsimbi

Ukwakheka kwemichiza(%)

C

Si

Mn

Cr

Mo

V

Ni

Cu

P

Max

20MnG

0.17-0.23

0.17-0.37

0.70-1.00

≤0.25

≤0.15

≤0.08

≤0.25

≤0.20

0.025

Iipropati zoomatshini ze-GB 5310 20MnG iiThubhu zeBoiler zoxinzelelo oluphezulu

Umbhobho wentsimbi

Iimpawu zokuqina

Amandla empembelelo(Akv), J

Ukuqina

Tensile strength

Unikeze Amandla

Elongation

Umfanekiso Imbonakalo-mhlaba

A

B

C

(MPa)

(MPa)

Umfanekiso(%)

Imbonakalo-mhlaba(%)

HBW

HV

HRC

 

Max

Min

20MnG

≥415

240

22

20

40

27

-

-

-

Isicelo

Isetyenziswa ikakhulu Ukwenza iNtsimbi yoLwakhiwo lweKhabhoni ekumgangatho oPhezulu, intsimbi yolwakhiwo lwe-alloy kunye nemibhobho yentsimbi ekwaziyo ukumelana nobushushu obungenamthungo kuxinzelelo oluphezulu nangaphezulu kweMibhobho yeBoiler yomphunga.

Isetyenziswa ikakhulu kuxinzelelo oluphezulu kunye nenkonzo yobushushu obuphezulu yeBoiler(Iityhubhu yeheater, Ityhubhu yeReheater, iThubhu yesiKhokelo soMoya, iityhubhu yomphunga ePhakamileyo kunye neziBoiler zoxinzelelo oluphezulu).Phantsi kwesenzo sobushushu obuphezulu begesi yoFlue kunye nomphunga wamanzi, iThubhu iya kuOxidize kwaye iCorrode.Kuyafuneka ukuba uMbhobho weNtsimbi ube Nozinzo oluPhezulu, ukuxhathisa okuPhezulu kwi-Oxidation kunye nokuCorrosion, kunye nokuzinza okuhle kwesakhiwo.

IBanga eliPhambili

IBanga leNtsimbi yoLwakhiwo lweCarbon ekumgangatho oPhezulu: 20g, 20mng, 25mng
IBanga le-Alloy Structural Steel: 15mog, 20mog, 12crmog, 15crmog, 12cr2mog, 12crmovg, 12cr3movsitib, njl.
IBanga leNsimbi eNganyangekiyo ngubushushu: 1cr18ni9 1cr18ni11nb

Ubude:
Ubude obuQhelekileyo beMibhobho yentsimbi Bungama-4 000 Mm ~ 12 000 Mm.Emva kokubonisana phakathi koMboneleli kunye noThengi, kwaye ugcwalise ikontrakthi, inokunikezelwa iMibhobho yentsimbi enobude obungaphezu kwe-12 000 mm okanye mfutshane kuno-M 000 mm kodwa ingekho ngaphantsi kwe-3 000 mm;Ubude obufutshane Inani leMibhobho yentsimbi eNgaphantsi kwe-4,000 mm kodwa hayi ngaphantsi kwe-3,000 mm ayisayi kudlula kwi-5% yeNani lilonke lemibhobho yentsimbi eZisiweyo.

Ubunzima bokuhanjiswa:
Xa uMbhobho weSsimbi uhanjiswa ngokoMda weDiyamitha yaNgaphandle yeSibizo kunye nokutyeba kweNdonga ngeNgcaciso okanye iDayamitha eNgaphakathi eNgaphakathi kunye nokutyeba kweNdonga, uMbhobho wentsimbi uhanjiswa ngokoBubunzima obububo.Inokuthi kwakhona ihanjiswe ngokuhambelana nobunzima bobuNgqiqo.
Xa uMbhobho weNtsimbi uhanjiswa ngokoMda weDiyamitha eNgaphandle kunye nobuncinci bokutyeba kweendonga, umbhobho wentsimbi uhanjiswa ngokobunzima obububo;Amaqela oBonelelo kunye neBanga ayathethathethana.Kwaye ibonisiwe kwikhontrakthi.Umbhobho weNtsimbi unokubonelelwa kwakhona ngokuhambelana nobunzima bobunzima.

Ukunyamezela Ubunzima:
NgokweeMfuno zoMthengi, emva kothethwano phakathi koMniki-nkonzo kunye noMthengi, kunye nakwiKhontrakthi, ukutenxa phakathi koBubunzima obububo kunye noBubunzima bobuNgqiqo boMbhobho wentsimbi wokuhanjiswa kuyakuhlangabezana nezi Mfuneko zilandelayo:
A) Umbhobho weNtsimbi omnye: ± 10%;
B) Ibhetshi nganye yeMibhobho yentsimbi enoBuncinane boBubungakanani be-10 T: ± 7.5%.

Imfuneko yoVavanyo

Uvavanyo lweHydraustatic:
Umbhobho weNtsimbi kufuneka uVavanywe ngokweHydraulically enye nenye.Uxinzelelo oluphezulu lovavanyo luyi-20 MPa.Ngaphantsi koxinzelelo lovavanyo, ixesha lokuzinzisa kufuneka lingabi ngaphantsi kwe-10 S, kwaye iPipe yensimbi akufanele ivuze.
Emva kokuba uMsebenzisi eVumelana, uvavanyo lweHydraulic lunokutshintshwa luVavanyo lwangoku lwe-Eddy okanye uvavanyo lokuvuza kweMagnetic Flux.

Uvavanyo olungonakaliyo:
Imibhobho efuna uHlolo oluthe kratya kufuneka ihlolwe ngokwe-Ultrasonically nganye nganye.Emva kokuba uThetha-thethwano lufuna imvume yeQela kwaye luchazwe kwiKhontrakthi, olunye uvavanyo olungabhubhisi lunokongezwa.

Uvavanyo lokucaba:
Iityhubhu ezinoMda waNgaphandle oMkhulu kune-22 mm ziyakuBekelwa kuVavanyo lokuNcandwa.Akukho Kulahlwa okubonakalayo, amabala amhlophe, okanye ubumdaka obunokuthi kwenzeke ngexesha lovavanyo lulonke.

Uvavanyo lokuvutha:
NgokweeMfuno zoMthengi kwaye zichazwe kwikhontrakthi, uMbhobho weSsimbi onoDayamitha waNgaphandle ≤76mm kunye noBungqingqwa beDonga ≤8mm Unokwenziwa Uvavanyo Lokuvutha .Uvavanyo lwenziwa kwiqondo lobushushu leGumbi ngeTaper ye60 °.Emva koKuvutha, iReyithi yokuFika kweDiameter yaNgaphandle kufuneka ihlangabezane neemfuno zeTheyibhile ilandelayo, kwaye iMathiriyeli yoVavanyo akufuneki ibonise iintanda okanye iiRips.


  • Ngaphambili:
  • Okulandelayo:

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