[XJY Leads Innovation]: Daim ntawv thov zoo heev ntawm lub hnab plua plav tshem tawm tshuab hauv lub tshuab hluav taws xob blasting gas plua plav tshem tawm

Raws li keeb kwm yav dhau los ntawm kev siv cov kev tiv thaiv ib puag ncig thiab kev txuag hluav taws xob hauv txhua txoj hauv kev, kev txhim kho cov plua plav tshem tawm cov cuab yeej siv hluav taws xob ntawm lub tshuab hluav taws xob thiab ntxiv dag zog rau kev tshem tawm cov plua plav ntawm lub tshuab hluav taws xob roj tau dhau los ua qhov kev hloov pauv tsis tu ncua ntawm kev tsim kho tshiab thiab kev tsim kho ntawm cov lag luam muaj feem xyuam. Nrog rau kev hloov tshiab tas mus li thiab kev siv cov tshuab hluav taws xob blasting tshuab, nws cov tshuab desting thiab purification tau tsim los ntawm cov khoom ntub dej kom qhuav dedusting (xws li hnab detusting, electrostatic dedusting, thiab lwm yam). Raws li qhov no, siv lub hnab plua plav tshem tawm tshuab ua piv txwv, pib nrog nws cov ntsiab lus ntsig txog, daim ntawv thov ntawm lub hnab plua plav tshem tawm thev naus laus zis hauv blast furnace gas plua plav tshem tawm raug tshuaj xyuas, thiab cov teeb meem uas twb muaj lawm tau muab tso rau hauv.

1.Kev saib xyuas ntawm lub hnab plua plav tshem tawm tshuab

Raws li keeb kwm yav dhau los ntawm kev siv cov kev tiv thaiv ib puag ncig thiab kev txuag kev tsim kho hauv txhua txoj kev, lub hnab plua plav tshem tawm tshuab tau ua tiav qee qhov kev txhim kho, thiab nws cov cuab yeej siv tshuab, kev tswj tsis siv neeg, cov khoom siv, cov khoom siv, cov khoom siv fiber ntau tshwj xeeb muaj. tau txhim kho mus rau qhov sib txawv.

2.Application Mechanism of bag Dust Removal Technology in Blast furnace Gas Plua plav tshem tawm

2.1. Sau cov khoom lim rau lub hnab lim

Thaum lub hnab lim thev naus laus zis tau siv los ua kom huv thiab tshem tawm cov plua plav hauv qhov cub tawg, cov khoom siv lim hauv lub hnab lim yuav sau cov hmoov av los ntawm kev sib tsoo inertial, electrostatic nyhuv, tshuaj ntsuam xyuas, diffusion nyhuv thiab lub ntiajteb txawj nqus sedimentation nyhuv.

Piv txwv li, thaum cov khoom loj ntawm cov plua plav hauv qhov cub tawg yog nyob rau hauv qhov kev txiav txim ntawm airflow thiab nyob ze rau ntawm fiber ntau ntawm lub hnab lim, lawv ntws sai heev. Cov khoom loj dua yuav sib txawv ntawm cov cua khiav hauv qab qhov kev txiav txim ntawm inertia quab yuam thiab txav mus rau pem hauv ntej raws tus thawj trajectory, thiab sib tsoo nrog cov ntxiab fibers, uas yuav muaj zog nyob rau hauv cov nyhuv ntawm ntxiab fiber ntau lim. Tam sim no cov hmoov av tau lim. Nyob rau tib lub sijhawm, thaum cov cua ntws dhau los ntawm cov khoom siv lim dej ntawm lub hnab lim, cov nyhuv electrostatic yog tsim los ntawm kev sib txhuam quab yuam, uas ua rau cov plua plav tawm, thiab cov plua plav yog adsorbed thiab daig hauv qhov kev txiav txim ntawm qhov sib txawv. thiab Coulomb zog.

2.2. Sau cov plua plav txheej hauv hnab plua plav Collector

Feem ntau, lub hnab lim ntawm lub hnab lim yog ua los ntawm fibers. Thaum lub sij hawm purification thiab filtration, hmoov av yuav tsim "bridging phenomenon" nyob rau hauv lub voids ntawm lub lim cov ntaub ntawv net, uas yuav txo tau qhov pore loj ntawm lub lim ntaub net thiab maj mam tsim ib tug hmoov av txheej. Vim hais tias txoj kab uas hla ntawm cov plua plav hauv cov plua plav txheej yog me dua li txoj kab uas hla ntawm cov khoom siv lim fibers rau qee qhov, cov lim thiab cuam tshuam ntawm cov plua plav txheej tshwm sim, thiab cov plua plav tawm ntawm lub hnab lim tau zoo dua.

2.3. Purification thiab tshem tawm cov blast furnace gas plua plav los ntawm lub hnab lim. Feem ntau, qhov loj me me ntawm cov pa taws thiab cov plua plav hauv cov pa taws tawg yog los ntawm me me mus rau qhov loj. Yog li ntawd, nyob rau hauv tus txheej txheem ntawm lub hnab lim lub lag luam, lub airflow uas muaj plua plav hais yuav dhau los ntawm cov khoom siv lim ntawm lub hnab lim. Hauv cov txheej txheem no, cov plua plav loj dua yuav raug tso rau hauv cov khoom siv lim lossis cov khoom siv lim dej los ntawm lub ntiajteb txawj nqus, thaum cov plua plav me me (tsawg dua li cov ntaub lim dej tsis muaj) yuav raug yuam kom cuam tshuam, tshuaj ntsuam lossis tawm hauv. cov ntaub ntawv lim. Qhov saum npoo yog sab laug hauv qhov khoob ntawm cov ntaub lim dej los ntawm Brownian motion. Nrog rau qhov txuas ntxiv ntawm cov plua plav uas tau ntes los ntawm cov ntaub ntawv lim, cov plua plav txheej yuav tsim rau ntawm qhov chaw ntawm lub hnab lim, thiab rau qee qhov, nws yuav dhau los ua "filter membrane" ntawm lub hnab lim kom txhim khu kev huv thiab plua plav. tshem tawm cov nyhuv ntawm lub hnab lim.

3.Application ntawm lub hnab dedusting tshuab nyob rau hauv blast furnace gas dedusting

3.1. Txheej txheem cej luam ntawm Daim Ntawv Thov

Lub hnab plua plav tshem tawm yog tsim los ntawm rov qab tshuab cov hmoov tshauv tshem tawm, kev tswj qhov system, cov pa roj carbon monoxide ib nrab, cov pa roj carbon monoxide ib puag ncig kev nyab xeeb, cov hmoov tshauv conveying thiab cov hmoov tshauv tshem tawm, thiab lwm yam. Nws yog siv los ua kom huv si. thiab tshem tawm cov plua plav tawm ntawm blast furnace gas.

3.2. Kev Siv Lub Hnab Plua Plav Collection System

3.2.1. Daim ntawv thov ntawm Back-blown Soot Cleaning System

Nyob rau hauv lub hnab plua plav tshem tawm cov txheej txheem, cov txheej txheem rov qab tshuab tshauv tshem tawm tuaj yeem muab faib ua ob pawg: lub zog rov qab tshuab hluav taws xob tshem tawm qhov system thiab nitrogen pulse back-blown tshauv tshem tawm. Lub pressurized back-blown tshauv tshem tawm system yog ib hom lim sab hauv. Thaum cov pa roj plua plav tawm mus rau sab nraud los ntawm lub hnab lim ntawm lub hnab lim, lub airflow yuav hloov cov kev taw qhia raws li qhov kev txiav txim ntawm lub rov qab-tshuab tshauv tshem tawm system, realizing lub airflow ntawm sab nraud mus rau sab hauv, yog li ua tiav lub hom phiaj ntawm kev tshem tawm plua plav los ntawm kev sau. ntawm lub hnab lim. Nitrogen pulse back-blown plua plav tu system yog kom ntws cov pa roj uas muaj cov plua plav tawm hauv qab mus rau sab nraud ntawm lub hnab lim. Thaum ntxiv dag zog rau lub luag haujlwm ntawm cov plua plav txheej, cov plua plav tsub zuj zuj ntawm sab nraud ntawm lub hnab lim tuaj yeem ntxuav tau los ntawm kev siv lub mem tes valve. Txhawm rau kom ua tiav lub luag haujlwm ntawm lub nraub qaum-tshuab ntxhua khaub ncaws, kev tshuaj xyuas tshwj xeeb yuav tsum tau ua raws li qhov xwm txheej tshwj xeeb hauv nws daim ntawv thov.

3.2.2. Daim ntawv thov ntawm Differential Pressure Detection System

Nyob rau hauv daim ntawv thov txheej txheem ntawm lub hnab lim, nws yog ib qho tseem ceeb heev los xyuas kom meej kev ruaj ntseg thiab stability ntawm nws txawv siab nrhiav kom tau qhov system. Feem ntau, qhov ntsuas qhov sib txawv ntawm qhov ntsuas siab feem ntau yog muab faib rau hauv cov kav dej nkag thiab qhov hluav taws xob thiab cov pa huv huv ntawm lub thawv lub cev. Kev tshawb fawb thiab kev tsim nyog ntawm kev teeb tsa lub cev yog tus yuam sij kom ntseeg tau tias qhov tseeb thiab qhov tseeb ntawm qhov sib txawv ntawm qhov sib txawv ntawm lub siab lub teeb pom kev, thiab kev tshawb pom qhov tseeb yog qhov tseem ceeb txhais tau tias txhawm rau txhim kho qhov zoo ntawm cov plua plav collector tu, nrog rau txoj hauv kev tseem ceeb los txhim kho cov kev pabcuam. lub neej ntawm lub hnab lim, txhim kho qhov system zoo thiab txo kev siv zog.

3.2.3. Daim ntawv thov ntawm Semi-clean Gas Safety Temperature Control System

Nyob rau hauv tus txheej txheem ntawm blast furnace smelting nyob rau hauv hlau thiab steel tuam txhab uas muag, cov roj uas tsim los ntawm blast furnace cov cuab yeej yuav dhau los ua "cov pa roj ib nrab" nyob rau hauv qhov kev txiav txim ntawm lub ntiajteb txawj nqus purification thiab plua plav tshem tawm. Nyob rau tib lub sijhawm, cov pa roj ib nrab nkag mus rau hauv lub hnab lim lub hnab los ntawm lub qhov muag tsis pom lub valve, npauj npaim valve ntawm cov plua plav collector thiab semi-clean gas pipeline rau kev tshem tawm plua plav. Feem ntau, thaum cov pa roj ib nrab nkag mus rau hauv cov plua plav collector raj, cov pa kub yuav hloov mus rau qee qhov, uas yog, cua sov. Nrog rau qhov kub thiab txias, lub airflow yuav rhuav tshem lub hnab lim hauv cov plua plav collector thiab hlawv lub hnab lim. Yog li ntawd, txhawm rau kom ntseeg tau tias muaj kev nyab xeeb ntawm qhov kub thiab txias, nws yog ib qho tsim nyog yuav tsum tau nruab ib lub tshuab hluav taws xob semi-clean kev nyab xeeb kub tswj qhov ntsuas kub.

3.2.4. Lwm Cov Tswv Yim Thov Kev Pab

Txhawm rau kom ntseeg tau tias kev ua si tag nrho ntawm lub luag haujlwm ntawm lub hnab lim thiab txo qis kev siv zog hauv kev ua haujlwm. Nyob rau hauv cov txheej txheem kev thov, nws yog ib qho tsim nyog yuav tsum tau tshawb fawb xaiv lub valve ntawm cov plua plav collector lub thawv kom muaj kev nyab xeeb thiab nruj ntawm lub kaw lus thiab tsis txhob tso pa tawm hauv cov txheej txheem ntawm kev tshem tawm plua plav. Feem ntau, thaum lub siab ntawm lub network hloov pauv thiab muaj kev cuam tshuam tsis zoo rau cov npauj npaim li qub, cov phaj ncaj plua plav npauj npaim li qub los yog los ntawm kev teeb tsa cov plua plav tshem qhov qhov tuaj yeem siv los ntxiv dag zog rau cov npauj npaim li qub.

4. Cov lus xaus

Hauv kev lag luam smelting, nws yog ib qho tseem ceeb los txhim kho kev siv tus nqi ntawm cov khoom siv hluav taws xob blasting, txo cov pa phem ib puag ncig ntawm blast furnace gas, txhim kho kev lag luam ntawm kev lag luam, thiab txhawb kev sib tw kev lag luam.