Cryogenic li qub tau siv dav hauv kev lag luam chiv, LNG thiab petrochemical kev lag luam. Tsuas yog cov kua nitrogen thiab lwm cov kua inert gases, feem ntau ntawm cov xov xwm tswj tsis tau tsuas yog flammable thiab tawg, tab sis kuj gasification tshwm sim thaum lawv rhuab los yog flashed. , Ua kom nrawm nrawm ntawm lub ntim, yooj yim ua kom tawg thiab tawg. Hauv kev lag luam, cov li qub siv nyob rau hauv nruab nrab kub hauv qab -40 ℃ feem ntau hu ua cryogenic li qub, thiab li qub siv nyob rau hauv nruab nrab kub hauv qab -101 ℃ yog hu ua ultra-low temperature li qub.
Cov khoom siv rau cryogenic li qub:
Cov khoom siv hluav taws xob ntawm cov hlau tsis zoo yog qhov sib txawv ntawm qhov kub thiab txias. Ntxiv nrog rau lub zog, qhov kub tsis tshua muaj kev cuam tshuam toughness yog qhov tseem ceeb tshaj qhov ntsuas rau cov hlau tsis tshua muaj kub. Qhov kub tsis tshua muaj kev cuam tshuam toughness ntawm cov khoom muaj feem xyuam rau qhov kub hloov pauv ntawm cov khoom siv. Qhov qis dua qhov hloov pauv kub ntawm cov khoom siv, qhov zoo dua qhov kub tsis tshua muaj kev cuam tshuam toughness ntawm cov khoom. Cov ntaub ntawv hlau nrog lub cev-centered cubic lattice xws li carbon steel muaj qhov kub thiab txias txias brittleness, thaum hlau cov ntaub ntawv nrog lub ntsej muag-centered cubic lattice xws li austenitic stainless hlau tsis muaj kev cuam tshuam rau qhov cuam tshuam ntawm qhov kub thiab txias.
Tsawg kub lub cev lub cev, lub kaus mom thiab lwm qhov chaw siab-resistant feem ntau yog ua los ntawm cov ntaub ntawv uas tsis muaj qhov kub thiab txias zog thiab toughness. Nyob rau tib lub sijhawm, cov yam ntxwv xws li weldability, machinability, stability thiab kev lag luam yuav tsum tau txiav txim siab.
Thaum tsim, peb qhov kub qis ntawm -46 ℃, -101 ℃ thiab -196 ℃ feem ntau yog siv. Tsawg-kub carbon steel feem ntau yog siv rau -46 ℃ qis-kub qib, thiab 300 series austenitic stainless hlau feem ntau yog siv rau -101 ℃ thiab -196 ℃ low-temperature qib. Qhov no stainless hlau muaj lub zog nruab nrab, zoo toughness thiab kev ua haujlwm zoo.
Lub sij hawm xa tuaj: Mar-18-2024