Nyob rau hauv tag nrho cov txheej txheem papermaking ntawm "pulping - papermaking - finishing", lub refiner yog ib yam khoom tseem ceeb uas txiav txim siab fiber ntau thiab cov ntawv zoo. Los ntawm lub cev, tshuaj, los yog ua ke txhua yam thiab tshuaj ua, nws txiav, fibrillates, 帚化 (fibrillation), thiab refines pulp fibers, ua kom cov fibers thaum xub thawj xoob los tsim kom muaj zog sib txuas, thiab thaum kawg endowing daim ntawv nrog kev ua haujlwm tseem ceeb xws li lub zog, kev sib txig, thiab tus cwj mem absorbency. Los ntawm cov pob zeb tsoos tsoos rau cov cuab yeej ntse niaj hnub, kev siv thev naus laus zis ntawm cov refiners yeej ib txwm nyob ntawm peb lub hauv paus ntsiab lus ntawm "kev ua haujlwm siab, kev ua tau zoo, thiab kev txuag hluav taws xob", dhau los ua ib qho tseem ceeb txhawb rau kev kho dua tshiab ntawm kev lag luam papermaking.

I. Core Functions and Working Principles of Refiners

Lub hom phiaj tseem ceeb ntawm lub refiner yog "ua kom zoo dua fiber ntau morphology", thiab nws txoj hauv kev ua haujlwm tuaj yeem raug suav hais tias yog "kev hloov kho fiber ntau hauv kev ua haujlwm":

• Basic Principple: Thaum pulp hla nruab nrab ntawm cov refiner discs (los yog yob), nws raug rau kev sib xyaw ua ke xws li shearing, extrusion, thiab kneading. Cov phab ntsa fiber ntau yog torn los ua microfibrils, thiab qhov saum npoo tsim cov qauv ntom ntom ntom. Nyob rau tib lub sijhawm, cov fibers ntev ntev tau raug txiav kom tsim nyog, ua rau qhov ntev fiber ntau faib raws li kev xav tau ntawm daim ntawv.
• Core Functions: Ua ntej, txhim kho fiber ntau lub zog ua kom daim ntawv muaj lub zog tensile txaus, lub zog tsim kua muag, thiab lub zog tawg; thib ob, txhim khu kev sib txuam ntawm fiber ntau interweaving kom paub meej tias daim ntawv sib npaug thiab flatness; thib peb, hloov mus rau cov kev xav tau ntawm cov ntawv sib txawv, xws li cov ntawv kab lis kev cai xav tau cov fibers zoo los txhim kho kev luam ntawv, thiab cov ntawv ntim cov ntawv yuav tsum tau tuab thiab ntev fibers los txhim kho qhov nruj.

II. Lub ntsiab hom thiab cov yam ntxwv ntawm cov Refiners

Raws li cov qauv tsim, txoj kev ua haujlwm, thiab daim ntawv thov scenarios, ntau refiners nyob rau hauv kev lag luam papermaking feem ntau muab faib ua plaub pawg nram qab no, txhua tus nrog nws tus kheej kev tsom xam thiab scope ntawm daim ntawv thov:

1. Disc Refiner

• Cov yam ntxwv zoo: Tsim los ntawm ib qho chaw ruaj khov (stationary disc) thiab lub tshuab tig (rotating disc). Lub disc nto yog faib nrog kev sib tsoo thaj tsam ntawm cov hniav sib txawv (xws li serrated, trapezoidal, kauv), thiab cov kev siv zog refining yog tswj los ntawm kev kho qhov sib txawv disc.
• Technical Advantage: High refining efficiency, uniform hloov fiber ntau. Nws tuaj yeem hloov kho mus rau ntau yam ntaub ntawv (ntoo pulp, straw pulp, cov ntaub ntawv pov tseg) los ntawm kev hloov cov hniav disc, ua rau nws siv cov khoom siv kho kom zoo tshaj plaws uas npog cov ntawv kab lis kev cai, cov ntawv ntim khoom, ntawv tso quav, thiab lwm hom ntawv.
• Subtypes: Ib leeg-disc refiner (ua yeeb yam ntawm ib sab ntawm lub disc), ob-disc refiner (ua ob sab ntawm lub disc ib txhij), triple-disc refiner (nruab nrab nyob ruaj ruaj disc + ob sab rotating discs, kev ua tau zoo dua).

2. Conical Refiner

• Cov yam ntxwv zoo: Txais kev sib xyaw ua ke ntawm conical stator thiab rotor. Pulp spirally nce mus raws qhov sib txawv ntawm conical, raug rau kev txiav thiab extrusion tsis tu ncua. Lub refining siv tau precisely tswj los ntawm kev kho qhov sib txawv conical.
• Technical Advantage: Tsawg fiber ntau txiav, zoo fibrillation nyhuv, haum rau cov ntawv hom yuav tsum muaj fiber ntau ntev tuav (xws li kraft ntawv, linerboard). Nws kuj muaj kev ua haujlwm ruaj khov thiab kev siv hluav taws xob tsawg, feem ntau yog siv rau kev ua kom zoo dua ntawm cov ntawv pov tseg lossis kev ua haujlwm zoo ntawm qib siab pulp.

3. Cylindrical Refiner

• Cov yam ntxwv zoo: Ua los ntawm cylindrical sib tsoo yob thiab arc-puab sib tsoo phaj. Kev sib tsoo yob nto yog nruab nrog transverse lossis kauv sib tsoo cov hniav. Kev sib hloov ntawm kev sib tsoo yob tsav lub pulp ntws thiab ua tiav cov txheej txheem refining.
• Technical Advantage: Ua siab ntev rau impurities (xws li cov xuab zeb nplej, cov khoom tawg yooj yim) hauv cov pulp, tsis yooj yim rau clog. Haum rau kev sib tsoo ntawm cov ntaub ntawv pov tseg los yog ua ntej ntawm cov khoom siv fiber ntau xws li straw pulp, feem ntau siv rau hauv cov txheej txheem ua ntej-kawg refining ntawm pulping ntau lawm kab.

4. High-Consistency Refiner

• Cov yam ntxwv zoo: Tsim nyog rau qhov sib npaug ntawm qhov sib npaug (15% -40%). Nws siv cov khoom noj tshwj xeeb (xws li cov ntsia hlau feeder) kom ntseeg tau tias cov pulp nkag mus rau hauv qhov chaw sib tsoo. Cov hniav txhuam hniav feem ntau yog dav-hlau thiab loj-qhov sib txawv tsim los txhim kho fiber ntau kneading nyhuv.
• Technical Advantage: High fiber ntau fibrillation degree, muaj zog sib txuas, uas tuaj yeem txhim kho daim ntawv muaj zog. Nyob rau hauv ib puag ncig zoo sib xws, fiber ntau txiav tsawg dua thiab siv zog tsawg. Nws yog qhov tsim nyog rau kev ua kom zoo ntawm cov ntawv qib siab (xws li cov ntawv coated, ntawv tshwj xeeb) los yog kev ua cov pulp uas yuav tsum tau muaj zog fiber ntau.

III. Cov Txheej Txheem Tseem Ceeb thiab Kev Xaiv Cov Cai ntawm Refiners

1. Core Technical Parameters

• Refining Consistency: Muab faib ua qhov tsis sib xws (≤8%), qhov sib xws nruab nrab (8% -15%), thiab siab sib xws (≥15%). Kev sib xyaw ua ke ncaj qha cuam tshuam rau kev ua kom zoo dua qub thiab fiber ntau morphology, xws li kev ua kom zoo sib xws uas tsom mus rau fibrillation thiab tsis sib xws refining tsom rau kev txiav.
• Disc Gap: Ib qho tseem ceeb parameter txiav txim siab refining siv. Qhov tsawg dua qhov sib txawv, qhov siab dua qhov kev siv zog. Nws yuav tsum tau hloov kho dynamically raws li daim ntawv yuav tsum tau thiab pulp yam ntxwv (feem ntau tswj ntawm 0.1-1.0mm).
• Disc Hniav Zoo thiab Hniav Dav: Cov hniav zoo cuam tshuam rau txoj kev fibers muaj kev ntxhov siab (shear-type tooth shape yog haum rau kev txiav, kneading-type tooth shape yog haum rau fibrillation). Hniav dav txiav txim siab qhov chaw sib cuag ntawm thaj chaw sib tsoo, uas yuav tsum tau ua kom haum rau hom pulp thiab refining lub hom phiaj.
• Lub cev muaj zog thiab kev sib hloov ceev: Fais fab txiav txim siab refining muaj peev xwm (feem ntau 55-1000kW), thiab rotational ceev cuam tshuam rau disc linear ceev (feem ntau 1500-3000r / min). Higher linear ceev txhais tau tias muaj zog shearing quab yuam, haum rau high-siv refining xav tau kev pab.
• Muaj peev xwm: Xaiv raws li cov kab ntau lawm. Lub peev xwm ntawm ib qho khoom siv feem ntau yog 5-100t / d, thiab cov kab ntau lawm tuaj yeem siv ntau chav nyob lossis kev teeb tsa sib npaug.

2. Cov ntsiab cai ntawm kev xaiv

• Ua raws li cov ntawv xav tau: Rau cov ntawv ntim khoom muaj zog, qhov tseem ceeb yog muab rau cov neeg ua haujlwm siab zoo los yog cov khoom siv conical refiners; rau daim ntawv kab lis kev cai zoo, ob-disc refiners lossis triple-disc refiners tuaj yeem xaiv tau; rau cov ntaub ntawv pov tseg, cov cylindrical refiners lossis impurity-resistant disc refiners yog nyiam.
• Match Pulp yam ntxwv: Ntoo pulp muaj fiber ntau ntev, yog li tsom rau fibrillation, thiab high-consistency refiners los yog conical refiners yog xaiv tau; straw pulp muaj cov fibers luv luv, yog li cov qib ntawm kev txiav yuav tsum tau tswj, thiab qhov tsis sib xws disc refiners yog xaiv tau; khib nyiab ntawv muaj ntau yam impurities, yog li cov khoom siv clogging-resistant yuav tsum tau xaiv.
• Balance Efficiency thiab Energy Consumption: Ua ke nrog cov kab ntau lawm muaj peev xwm, xaiv cov cuab yeej siv hluav taws xob tsawg thiab kev ua kom zoo dua qub. Piv txwv li, cov kab ntau lawm tuaj yeem siv triple-disc refiners, thiab cov kab tsim khoom me me thiab nruab nrab tuaj yeem siv ib qho-disc refiners lossis ob-disc refiners.
• Xav txog Intelligent Adaptability: Niaj hnub nimno refiners feem ntau yog nruab nrog PLC tswj cov tshuab, uas tuaj yeem paub txog kev saib xyuas lub sijhawm ntawm cov txheej txheem refining (xws li ntev fiber ntau, pulp sib xws, disc hnav raws li txoj cai) thiab kev tswj tsis siv neeg kaw. Thaum xaiv, nws yog ib qho tsim nyog los muab cov kev txawj ntse ntawm cov kab ntau lawm thiab muab qhov tseem ceeb rau cov khoom siv uas tuaj yeem sib txuas thiab yooj yim rau kev tswj xyuas.

IV. Technological Development Trends of Refiners

Nrog rau kev hloov pauv ntawm kev lag luam papermaking mus rau "ntsuab qis-carbon, kev txawj ntse ua tau zoo, thiab ua tau zoo", refiner thev naus laus zis nthuav tawm peb txoj kev loj hlob loj:

• Kev txawj ntse txawj ntse: Kev sib koom ua ke sensors, Internet ntawm Yam, thiab AI thev naus laus zis kom paub txog lub sijhawm saib xyuas cov txheej txheem ua kom zoo dua qub thiab tsis siv neeg kaw-loop tswj, txhim kho kev ua kom zoo dua qub thiab ruaj khov.
• Kev Txhim Kho Zog-Txuag Kev Txhim Kho: Optimize disc qauv tsim (xws li bionic hniav zoo li), txais yuav high-efficiency motors thiab zaus hloov dua siab tshiab kev tswj technology los txo cov chav tsev refining zog noj. Qee cov khoom siv tshiab tshiab txo qis kev siv hluav taws xob los ntawm 15% -30% piv nrog cov khoom siv niaj hnub.
• Multifunctional Integration: Tsim kev sib xyaw "refining - tshuaj ntsuam - purification" cov cuab yeej los txo cov txheej txheem tsim khoom thiab cov khoom siv hauv pem teb; Lub hom phiaj tshwj xeeb cov ntawv xav tau, tsim tshwj xeeb refiners (xws li ultra-fine fiber refiners, bio-mechanical pulp tshwj xeeb refiners) kom nthuav dav daim ntawv thov scenarios.

Raws li "core shaper" ntawm papermaking ntau lawm, cov txheej txheem ntawm refiners yog ncaj qha ntsig txog cov ntawv zoo, ntau lawm efficiency, thiab ib puag ncig cov txiaj ntsig. Nyob rau hauv cov ntsiab lus ntawm kev lag luam papermaking nrhiav kev txhim kho zoo, xaiv cov hom refiner tsim nyog, optimizing cov txheej txheem tseem ceeb, thiab ua raws li txoj kev loj hlob ntawm kev txawj ntse thiab kev txuag hluav taws xob yuav dhau los ua qhov tseem ceeb lav rau cov lag luam los txhim kho lawv cov kev sib tw tseem ceeb.