Vim li cas ntxuav nrog nitrogen thaum brazing?

Cov txheej txheem:

Vim li cas ntxuav nrog nitrogen thaum brazing?
Vim li cas ntxuav nrog nitrogen thaum brazing?
Anonim

A Nitrogen tshem tawm thaum brazing tiv thaiv kev tsim cov nplai ntawm sab hauv cov raj xa dej los ntawm kev tiv thaiv oxidation. Qhov ntsuas no tuaj yeem taug kev los ntawm txoj kab uas ua rau txhaws hauv cov hlab ntsha capillary, TEVs thiab lim driers.

Vim li cas thiaj yuav tsum tau ua tiav siv lub tshuab ntxuav tais diav?

Nitrogen purging yog ib txoj haujlwm ua thaum lub sij hawm brazing uas pab kom koj HVAC system khiav zoo thiab tsis muaj teeb meem. Yuav luag txhua qhov kev teeb tsa HVAC yuav tsum tau ntws qhuav nitrogen los ntawm cov kav dej tooj liab thaum lub sij hawm brazing los tiv thaiv oxidation.

Kuv puas tuaj yeem braze yam tsis muaj nitrogen?

Thaum peb ua ac kev teeb tsa, nitrogen yog qhov yuav tsum tau ua. Kev khiav tawm triple tsuas yog ua rau tooj liab qhuav, thiab kev sim qhia tau tias cov xau. Tab sis brazing tsis muaj nitrogen yog ib qho luv luv kom txo nqi.

Vim li cas thiaj tsim nyog purging?

Purging yog ib feem tseem ceeb ntawm cov txheej txheem calibration zoo thiab yuav tsum tau xyaum txhua lub sijhawm thaum tuav cov pa phem. Purging xyuas kom meej tias koj muaj kev tswj xyuas cov roj twg hauv koj lub tshuab xa roj, thiab yog li ntawd cov roj twg tau raug rau cov khoom siv sab hauv, sensors, lossis lwm yam khoom siv.

Puas tawv nqaij purging zoo?

Yog li koj tuaj yeem xav li cas tom qab daim tawv nqaij ntxuav? Vam tias, clearer, brighter, thiab smoother daim tawv nqaij! Thaum kawg, purging yog ib qho cim zoothiab tsuas yog ib kauj ruam rau cov tawv nqaij zoo dua. Khaws ntawm nws, ua siab ntev, thiab txuas ntxiv siv cov khoom no los txhim kho kojdaim tawv nqaij.

Pom zoo:

Thaum lub sijhawm titration lub hwj erlenmeyer ntxuav nrog?

Thaum lub sijhawm titration lub hwj erlenmeyer ntxuav nrog?

Thaum lub sijhawm titration ntawm cov kua qaub nrog lub hauv paus, ob sab ntawm lub hwj Erlenmeyer tau ntxuav nrog dej distilled. Dab tsi yog siv los ntxuav ob sab ntawm lub khob thaum lub sij hawm titration? Thaum ua titrations nrog cov tshuaj aqueous, tsuas yog dej distilled yog siv los yaug lub khob conical thiaj li tsis txhob tawm hauv cov tshuaj seem hauv lub … Yuav ua li cas ntxuav lub khob titration?

Thaum siv vim li cas thiab yog vim li cas?

Thaum siv vim li cas thiab yog vim li cas?

Vim li cas thiab qhov twg ntawm qee yam yog vim li cas rau nws. Txawm tias cov thawj coj ua tiav yuav tsum tau nug txog vim li cas thiab yog li ntawd ntawm lawv qhov kev ua. Nws tsis txaus siab tham txog vim li cas thiab yog li ntawd nws lub sijhawm nyob txawv teb chaws.

Yuav ua li cas ntxuav pob ntseg tho nrog tus ntsuj plig phais?

Yuav ua li cas ntxuav pob ntseg tho nrog tus ntsuj plig phais?

Tsis txhob siv tshuaj tua kab mob xws li Savlon cream lossis tshuaj tsuag, TCP, Hydrogen Peroxide, Lavender roj, Tshuaj yej tsob ntoo roj, Dettol, Surgical Spirit thiab lwm yam - Tsis txhob siv TAM SIM NO ntxuav koj lub tho! Cov no hnyav heev thiab yuav ua rau khaus thiab qeeb kho.

Puas tuaj yeem tshem tau brazing?

Puas tuaj yeem tshem tau brazing?

Vim tias feem ntau cov brazing fluxes yog dej soluble, qhov yooj yim tshaj los tshem tawm lawv yog txhawm rau tua cov sib dhos hauv dej kub (120 ° F / 50 ° C lossis kub dua). Qhov zoo tshaj plaws thawj koom ruam yog raus rau lawv thaum lawv tseem kub, tsuas yog xyuas kom meej tias cov muab tub lim hlau tau solidified tag ua ntej quenching.

Yuav ua li cas ntxuav cov pobzeb grout nrog?

Yuav ua li cas ntxuav cov pobzeb grout nrog?

Sib tov ua ke ½ khob ci dej qab zib, ¼ khob hydrogen peroxide, 1 tsp tais xab npum. Diav ntxuav cov neeg sawv cev mus rau grout thiab cia zaum rau 5-10 feeb. Scrub cov kab grout nrog txhuam. Grout cleaning tip: Nco ntsoov txhuam tawv kom agitate lub grout thiab ntxuav cov tshuaj thiab rhuav tshem cov av nplaum tiag tiag.