Kamfaninmu ya kware wajen fitar da bututun karfe daban-dabanBututun tukunyar jirgi, Tufafin karfe bututu, tukunyar jirgi karfe bututu, bututun tukunyar jirgi, China Boiler. Yawancin novice na kasuwanci za su gamu da matsaloli yayin yin magana, misali bambanci tsakanin nauyin ƙarfe na ainihi da nauyin ka'ida. Bari in amsa wannan tambayar ga kowa da kowa.

1. Nauyin ka'idar karfe

Ana samun ma'aunin ma'auni na ƙarfe ta hanyar ƙididdige ƙimar ƙima da yawa (wanda ake kira takamaiman nauyi a baya). Wannan yana da alaƙa kai tsaye tare da tsayin ƙarfe, yanki na giciye, da bambancin girman da aka yarda. Saboda ɓacin da aka yarda da shi a cikin tsarin masana'antu, ƙididdigar ƙididdiga ta ko ta yaya ta bambanta da ainihin ƙimar, kuma ƙimar ka'idar kawai don tunani ne yayin ƙididdigewa.

2. Ainihin nauyin karfe

Ainihin nauyin ƙarfe yana nufin nauyin da aka samu ta ainihin ma'auni (tare da ma'auni). Nauyin na ainihi ya fi daidai fiye da nauyin ka'idar.

3. Hanyoyi don ƙididdige nauyin karfe

KG/M=(OD-WT)*WT*0.02466

Dubawa

Aikace-aikace

An yafi amfani da shi don yin high quality carbon tsarin karfe, gami tsarin karfe da bakin zafi-resistant karfe sumul karfe bututu ga high matsa lamba da kuma sama tururi tukunyar jirgi bututu.

Yafi amfani da high matsa lamba da kuma high zafin jiki sabis na tukunyar jirgi (Superheater tube, reheater tube, iska jagora tube, babban tururi tube ga high da matsananci high matsa lamba boilers). Karkashin aikin iskar gas mai zafi mai zafi da tururin ruwa, bututun zai oxidize kuma ya lalata. Ana buƙatar cewa bututun ƙarfe yana da tsayi mai tsayi, babban juriya ga oxidation da lalata, da kwanciyar hankali mai kyau.

Babban Daraja

Grade na high quality-carbon tsarin karfe: 20g, 20mng, 25mng

Grade na gami tsarin karfe: 15mog, 20mog, 12crmog, 15crmog, 12cr2mog, 12crmovg, 12cr3movsitib, da dai sauransu

Grade na tsatsa-resistant zafi-resistant karfe: 1cr18ni9 1cr18ni11nb

Abubuwan Sinadari

Kayan Injiniya

Hakuri

Kaurin bango da Diamita na Waje:

Idan babu buƙatu na musamman, bututu zai zama isarwa azaman diamita na waje na al'ada da kaurin bango na al'ada. Kamar yadda takardar ta biyo baya

Tsawon:

A saba tsawon karfe bututu ne 4 000 mm ~ 12 000 mm. Bayan shawarwari tsakanin mai sayarwa da mai siye, da kuma cika kwangilar, ana iya isar da bututun ƙarfe tare da tsayi fiye da 12 000 mm ko ya fi guntu ni 000 mm amma ba ya fi guntu 3 000 mm; gajeren tsayi Yawan bututun ƙarfe da bai wuce 4,000 mm ba amma ƙasa da 3,000 mm ba zai wuce 5% na adadin bututun ƙarfe da aka kawo ba.

Nauyin bayarwa:
Lokacin da aka isar da bututun ƙarfe gwargwadon diamita na waje da kauri na bango mara kyau ko diamita na ciki da kauri maras tushe, ana isar da bututun ƙarfe gwargwadon nauyin na ainihi. Hakanan za'a iya isar da shi gwargwadon nauyin ma'auni.
Lokacin da aka isar da bututun ƙarfe gwargwadon diamita na waje da mafi ƙarancin kauri, ana isar da bututun ƙarfe gwargwadon nauyin gaske; bangarorin samar da bukatu suna tattaunawa. Kuma an nuna a cikin kwangilar. Hakanan za'a iya isar da bututun ƙarfe bisa ga nauyin ma'auni.

Haƙurin nauyi:
Dangane da buƙatun mai siye, bayan shawarwari tsakanin mai siye da mai siye, kuma a cikin kwangilar, ɓacin rai tsakanin ainihin nauyi da nauyin ma'auni na bututun ƙarfe na isar da bututu zai cika waɗannan buƙatu:
a) Bututun ƙarfe guda ɗaya: ± 10%;
b) Kowane tsari na bututun ƙarfe tare da ƙaramin girman 10 t: ± 7.5%.

Bukatar Gwaji

Gwajin Ruwa:

Yakamata a gwada bututun karfe ta hanyar ruwa daya bayan daya. Matsakaicin gwajin gwajin shine 20 MPa. A ƙarƙashin gwajin gwajin, lokacin tabbatarwa bai kamata ya zama ƙasa da 10 s ba, kuma bututun ƙarfe bai kamata ya zube ba.

Bayan mai amfani ya yarda, ana iya maye gurbin gwajin na'ura mai aiki da karfin ruwa ta gwajin eddy na yanzu ko gwajin kwararar ruwan maganadisu.

Gwajin mara lalacewa:

Bututun da ke buƙatar ƙarin dubawa ya kamata a bincikar ultrasonically daya bayan ɗaya. Bayan tattaunawar tana buƙatar izinin ƙungiyar kuma an ƙayyade a cikin kwangilar, ana iya ƙara wasu gwaje-gwaje marasa lalacewa.

Gwajin Lalacewa:

Tubes tare da diamita na waje fiye da 22 mm za a yi gwajin gwaji. Kada a ganuwa, fararen tabo, ko ƙazanta da ya kamata su faru yayin duk gwajin.

Gwajin Fitowa:

Dangane da bukatun mai siye kuma an bayyana a cikin kwangilar, bututun ƙarfe tare da diamita na waje ≤76mm da kauri bango ≤8mm ana iya yin gwajin flaring. Anyi gwajin a dakin da zafin jiki tare da taper na 60 °. Bayan flaring, ƙimar ƙimar diamita na waje ya kamata ya dace da buƙatun tebur mai zuwa, kuma kayan gwajin ba dole ba ne su nuna fashe ko rips.

Cikakken Bayani

Bututun Karfe Mara Sulki Don Tufafi Mai Matsi

GB/T5310-2017

ASME SA-106/SA-106M-2015

ASTMA210(A210M) -2012

ASME SA-213/SA-213M

ASTM A335/A335M-2018