Kev ntsuas cov av noo thiab noo noo hauv cov txheej txheem metallurgical

Hydrogen yog dav siv nyob rau hauv ci hardening ntawm ntau hlau. Ob qho tib si hydrogen purity thiab humidity theem nyob rau hauv lub

gas yuav tsum tau ntsuas thiab tswj.

Cov dej noo ntau dhau tuaj yeem txo lub zog thiab zoo ntawm cov khoom tiav. Muaj ob txoj hauv kev tseem ceeb

ntawm hydrogen thauj hauv metallurgy --bulk hydrogen los ntawm lub tog raj kheej roj thiab pyrolysis ammonia. Metallurgical

txheej txheem dej ntsuas yogtseem ceeb heev, xav paub ntxiv mus saib!

Ua ntej, Ob txoj kev xa khoom muaj qhov zoo thiab qhov tsis zoo.

Ntshiab hydrogen tuaj yeem siv tau tam sim ntawd, tab sis nws yuav kim dua, thiab khaws cia ntau ntau

hydrogen rau kev siv ua rau muaj kev phom sij.

Ammonia (NH 3) yog pheej yig dua los yuav hauv ntau thiab tsis tshua muaj nplaim taws, yog li nws muaj kev nyab xeeb dua rau khaws cia hauv thaj teb.

Txawm li cas los xij, nws muaj nws tus kheej txaus ntshai: nws yog corrosive heev,

yog li cov khoom siv hauv Hoobkas thiab kev nyab xeeb ntawm tus kheej yog cov kev txhawj xeeb tseem ceeb. Txawm li cas los xij, ammonia cracking units

tam sim no yog ib txoj hauv kev ntau dua los muab ib qhotxo / hardening cua rau metallurgical

rauv. Lub dissociated ammonia yog sib tov ntawm hydrogen thiab nitrogen thiab yog hu ua "synthetic gas".

Qhov thib ob, Ammonia Cracking ua haujlwm li cas?

Lub pressurized ammonia yog rhuab kom evaporate nws. Tom qab ntawd nws tau tawg mus rau hauv nws qhov chaw,

hydrogen thiab nitrogen, los ntawm nickel catalyst ntawm akub txog li 1,000 ° C. Kev sib npaug ntawm chemical

Cov tshuaj tiv thaiv yog: 2NH 3A → N 2 + 3H 2

Vim ua kom tiav decomposition rau hauv hydrogen thiab nitrogen, tsawg heev nyob rau hauv muaj ammonia tshuav

thiab lub resulting gas yuav tsum muaj ib tug heevqis qis taw tes kub (zoo hauv qab -30 ° C). Dew point

Kev ntsuas kub xav tau kev saib xyuas tshwj xeeb, vim tias muaj ntau zaus, siab dhau lawmlos yog tsawg dhau

Dew point kub tuaj yeem cuam tshuam qhov zoo ntawm cov khoom. Ntxiv nrog rau kev lag luam metallurgical,

compressed cua tshuabyog qhov tseem ceeb tshaj rau dew point. HENGKO608 dew point transmittermuab

kev ruaj ntseg mus sij hawm ntev thiab teb sai sai rau cov av noo hloov.

HENGKO lub siab ntim tsim muaj peev xwm ua rau nws haum rau OEM thiab kev sib koom ua ke

uas xav tau lub sij hawm luv luv thiab zoo ib yam.

Lub molecular sieve absorbs qhov kawg kab ntawm uncracked ammonia tseem tam sim no nyob rau hauv cov pa. Gas tau

kuj yuav ntxiv qhuav siv ib tug rhuabregenerative dual-kem desiccant-dryer, qhov twg cov roj nws thiaj li

tawm hauv lub tshuab ziab khaub ncaws ntawm qhov kub hauv qab -65 ° Cdp thiab muajntawm 75 Vol% hydrogen thiab

25 Vol% nitrogen.

Thib peb, Synthetic gas (decomposition of ammonia) daim ntawv thov

Synthetic gases yog siv nyob rau hauv conveyer thiab tub rauv rau annealing txheej txheem nyob rau hauv txo cov cua,

xws li brazing, sintering,deoxidation thiab nitride.

Plaub, Saib xyuas cov kab ya raws hauv cov ammonia dissociated

Tsis tu ncuadew point metertuaj yeem siv online lossis chaw kuaj xyuas cov dej noo hauv huab cua ntsuas. Tsim nyog

rau kev ntsuas hauvqhov chaw uas tsis muaj kev nyab xeeb kev faib tawm. Qhov no tshwm sim hauv ntau lub qhov cub

daim ntawv thov. High ceev,Portable dew-point hygrometerrau qhov ceev ceev ntsuas ntsuas ntawm dew point

los yog noo noo cov ntsiab lus nyob rau hauv compressed cua, natural gas,quenched gas nyob rau hauv siab hloov iav, thiab ntau

lwm daim ntawv thov. Lub sensor teb sai sai rau kev hloov pauv ntawm cov av noo los ntawmqhuav kom ntub los yog ntub kom qhuav. Qhov no

txhais tau tias tsis muaj kev tos ntawm kev ntsuas thiab tus neeg teb xov tooj tuaj yeem ntsuas ntau dua hauv ib hnub.

Yuav ua li cas ntsuas cov av noo thiab noo noo nyob rau hauv Metallurgical txheej txheem

Humidity thiab noo noo ua lub luag haujlwm tseem ceeb hauv ntau cov txheej txheem metallurgy. Lawv qhov kev ntsuas qhov tseeb ua kom cov khoom zoo, txo kev siv hluav taws xob, thiab tswj kev nyab xeeb. Cov dej noo tuaj yeem ua rau cov khoom siv hlau tsis zoo, ua rau oxidation lossis corrosion, thiab hloov cov khoom ntawm cov khoom.

1. Qhov tseem ceeb ntawm kev ntsuas av noo thiab noo noo:

* Kev Tswj Xyuas Zoo: Cov dej noo thiab cov av noo tuaj yeem ua rau cov hlau tsis xws luag, xws li porosity, thiab nws tuaj yeem ua rau oxide lossis nplai tsim ntawm cov hlau.
* Kev nyab xeeb: Hauv qee cov txheej txheem metallurgical, tshwj xeeb tshaj yog cov uas muaj cov hmoov av, cov dej noo ntau dhau tuaj yeem ua rau agglomeration lossis tseem tsim cov huab cua tawg.
* Kev txuag hluav taws xob: Kev tswj cov av noo kom zoo tuaj yeem txhim kho cov txheej txheem, txo kev siv hluav taws xob.

2. Cov txheej txheem thiab cov cuab yeej siv

* Dew Point Meters: ntsuas qhov kub ntawm huab cua uas ua rau saturated, ua rau dej condense. Muaj txiaj ntsig zoo rau kev saib xyuas cov dej noo hauv cov cua sov thiab tshuab ziab khaub ncaws.
* Hygrometers: ntsuas cov av noo ncaj qha, feem ntau siv hauv chaw cia thiab tuav.
* Moisture Analyzers: Cov cuab yeej uas txiav txim siab cov ntsiab lus dej hauv cov khoom siv lossis cov qauv ua kua, feem ntau siv hauv cov chaw kuaj xyuas kom zoo.
* Karl Fischer Titration: Ib txoj hauv kev los txiav txim siab cov ntsiab lus noo noo, tshwj xeeb tshaj yog nyob rau hauv cov qauv uas yuav tsum tau ntsuas cov dej noo tsawg heev.
* Infrared Moisture Analyzers: Siv cov cua sov infrared los txiav txim siab cov dej noo los ntawm kev sib piv qhov hnyav ua ntej thiab tom qab cov txheej txheem cua sov.

3. Kev siv hauv Metallurgical txheej txheem:

* Ore Processing: Cov ntsiab lus noo nyob rau hauv ores cuam tshuam lawv tuav thiab ua. Cov dej noo siab tuaj yeem ua rau muaj kev cuam tshuam hauv kev sib tsoo mills, thaum tsis muaj noo noo tuaj yeem ua rau cov hmoov av ntau ntxiv.
* Pelletizing: Hauv kev ua hlau, cov dej noo ntawm cov hlau ore pellets yog qhov tseem ceeb. Nws cuam tshuam rau lawv lub zog txhua yam thiab qhov ua tau zoo ntawm cov txheej txheem txo qis hauv qhov cub tawg.
* Kev kho cua sov: Thaum cov hlau raug kev kho cua sov, cov av noo thiab noo nyob rau hauv lub cub tawg yuav tsum tau tswj kom ua tiav cov khoom xav tau thiab tsis txhob muaj qhov tsis xws luag.
* Hmoov Metallurgy: Cov dej noo ntawm cov hmoov hlau cuam tshuam rau lawv cov dej ntws thiab cov khoom sib txuas.
* Melting thiab Casting: Moisture tuaj yeem ua rau roj porosity hauv cov khoom cam khwb cia. Kev ntsuas qhov tseeb ua kom cov pwm thiab qhov chaw melting yog qhuav.

4. Tswj thiab optimization:

* Cov Lus Teb Loop: Los ntawm kev sib koom ua ke cov sensors hauv cov txheej txheem, cov lus qhia tuaj yeem muab los tswj cov tshuab rau kev ua kom zoo dua lub sijhawm.
* Kev Saib Xyuas Kev Ntsuas: Nrog kev saib xyuas tas li, kev kwv yees txog thaum twg cov cuab yeej xws li cov cub tawg, tshuab ziab khaub ncaws, lossis cov dehumidifiers yuav ua tsis tau lossis ua tsis tau zoo.

5. Kev sib tw:

* Kev Tso Npe Sensor: Hauv thaj chaw muaj kev kub ntxhov, cov sensors yuav tsum tau muab tso rau hauv kev tiv thaiv kev puas tsuaj thiab tseem muab kev nyeem ntawv raug.
* Calibration: Tsis tu ncua calibration ntawm sensors kom raug raws sij hawm.

Hauv kev xaus, kev ntsuas cov av noo thiab noo noo hauv cov txheej txheem metallurgical yog qhov tseem ceeb rau kev ua tau zoo, kev nyab xeeb, thiab kev ua haujlwm zoo. Los ntawm kev siv cov sensors siab heev thiab tswj cov tshuab, niaj hnub metallurgy tuaj yeem tswj cov qauv siab thaum ua kom zoo zog thiab siv cov khoom siv.

Dab tsi ntawm Humidity Transmitter tuaj yeem ntsuas cov av noo thiab noo noo hauv cov txheej txheem metallurgical?

Rau cov txheej txheem metallurgical, uas feem ntau muaj qhov kub thiab txias, huab cua nruj, thiab cov xwm txheej nyuaj, lub tshuab xa hluav taws xob yuav tsum muaj zog, raug, thiab tiv taus ib puag ncig huab cua. Ntau hom av humidity transmitters tuaj yeem ntsuas cov av noo thiab noo noo hauv cov kev xav tau no:

1. High-Temperature Humidity Transmitters:

Tshwj xeeb tsim los rau qhov kub thiab txias ib puag ncig zoo li lub tshuab hluav taws xob, cov tshuab xa hluav taws xob no feem ntau tuaj nrog sintered stainless hlau lim los tiv thaiv lub sensor los ntawm cov khoom tawg thiab tawg.

2. Ceramic-based Capacitive Sensors:

Cov no muaj cov tshuaj tiv thaiv zoo thiab tuaj yeem siv rau hauv ib puag ncig corrosive, uas tuaj yeem pom hauv qee cov txheej txheem metallurgical.

3. Aluminium Oxide Moisture Sensors:

Feem ntau yog siv los tshawb nrhiav cov dej noo hauv cov pa. Cov sensors no ua haujlwm ntawm lub hauv paus ntsiab lus uas lub peev xwm thiab kev ua haujlwm ntawm aluminium oxide txheej hloov pauv rau cov dej vapor nyob ib puag ncig nws. Lawv tuaj yeem tswj tau qhov kub thiab txias heev thiab feem ntau siv rau hauv cov ntawv thov xws li petrochemical refineries, tab sis lawv tuaj yeem tsim nyog rau qee cov txheej txheem metallurgical.

4. Tuned Diode Laser Absorption Spectroscopy (TDLAS):

Qhov no yog txoj kev ntsuas dej siab tshaj plaws, zoo tagnrho rau kev nyuaj rau kev lag luam ib puag ncig, suav nrog cov txheej txheem kub kub metallurgical. Nws ntsuas noo noo concentration raws li qhov nqus ntawm lub teeb wavelengths los ntawm dej molecules.

5. Zirconia-raws li Sensors:

Siv feem ntau rau kev ntsuas oxygen, qee qhov zirconia sensors tuaj yeem ua ke nrog lwm cov thev naus laus zis los cuam tshuam cov av noo hauv qhov chaw kub.

6. Dew Point Transmitters:

Tsim los rau ib puag ncig kev lag luam nyuaj, qee qhov ntawm cov khoom xa tawm no tuaj yeem tswj tau qhov kub thiab txias siab heev. Lawv txiav txim siab qhov kub ntawm qhov dej vapor pib condense, uas yog ib qho qhia ncaj qha ntawm cov dej noo.

Yog li tom qab paub qhov twg cov av noo sensor koj tuaj yeem siv rau Metallurgical Txheej Txheem. Yog li yuav xaiv li cas?

Thaum xaiv cov av noo transmitter rau metallurgical txheej txheem:

* Qhov kub thiab txias:

Xyuas kom meej tias lub transmitter tuaj yeem ua haujlwm zoo nyob rau hauv qhov kub thiab txias ntawm koj cov txheej txheem.

* Qhov tseeb:

Nyob ntawm seb qhov rhiab heev ntawm koj cov txheej txheem rau ya raws, koj yuav xav tau ib lub sensor zoo heev lossis ib yam dab tsi ntau dua.

* Lub Sijhawm Teb:

Rau qee cov txheej txheem, tshwj xeeb tshaj yog nyob rau qhov xwm txheej tuaj yeem hloov pauv sai, lub sijhawm teb ceev yog qhov tseem ceeb.

* Resistance to Contaminants:

Hauv kev teeb tsa metallurgical, muaj cov plua plav, cov khoom, lossis cov khoom corrosive tuaj yeem cuam tshuam nrog kev ntsuas. Xyuas kom cov transmitter uas tau xaiv yog muaj zog rau cov no.

* Calibration thiab Maintenance:

Nyob ntawm ib puag ncig, lub tshuab xa hluav taws xob yuav xav tau kev ntsuas ntau zaus lossis kev saib xyuas. Xaiv cov khoom siv uas tuaj yeem ntsuas tau hauv-situ yog tias yuav tsum tau kuaj xyuas ntau zaus.

* Kev sib txuas lus thiab kev sib koom ua ke:

Xyuas kom lub transmitter cov zis tau yooj yim integrated rau hauv koj cov txheej txheem tswj systems.

* Durability thiab Longevity:

Muab kev nqis peev hauv cov cuab yeej no thiab qhov tseem ceeb ntawm cov txheej txheem metallurgical, xaiv rau cov npe tsim thiab cov qauv nrog cov ntaub ntawv ua haujlwm ntev.

Nco ntsoov sab laj nrog cov tuam ntxhab lossis cov kws tshaj lij thaum xaiv cov av noo xa mus rau cov ntawv thov tshwj xeeb metallurgical. Lawv tuaj yeem muab kev nkag siab txog qhov kev xaiv zoo tshaj plaws raws li koj qhov kev xav tau tshwj xeeb.

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