High concentration pulping
Kev tshawb fawb txog kev siab siab (20% - 30%) pulping tau ua nyob rau hauv lub chaw soj nstuam rau ntau xyoo lawm. High concentration pulping tsis tsuas yog khaws cov fiber ntau ntev tab sis kuj zoo, tag nrho thiab uniformly ua cov txheej txheem pulping, uas tuaj yeem muab cov ntawv zoo heev, xws li lub zog tsim kua muag, elongation thiab tawg lub zog. Cov ntaub ntawv tsim tawm muaj tsawg dua fiber ntau so thiab tsawg fiber ntau pob, thiab muaj cov dej pom zoo dua. Qhov kev ua tau zoo ntawm cov dej pom zoo no yog qhov tseem ceeb rau kev ua kom lub cev qhuav dej ntawm polyester ua ntaub ntawm lub tshuab ntawv hauv cov txheej txheem tom ntej. High concentration pulping yog tsim rau kev ua broad -tawm ntoo pulps thiab straw pulps nrog tuab -walled fibers thiab luv fibers, thiab qhib txoj kev tshiab rau siv luv fiber pulps, nce hom ntawv tsim, txhim kho zoo thiab ua tau siab - ntawv muaj zog.
(1) Lub hauv paus ntsiab lus ntawm High Concentration Bleaching
Thaum tsis tshua muaj concentration pulping, cov hniav ncaj qha ua rau cov fibers. Thaum nyob rau hauv high concentration pulping, cov fibers yog pulped los ntawm kev sib txhuam ntawm lawv. Qhov no yog lub ntsiab sib txawv ntawm siab concentration thiab tsawg concentration pulping. Thaum lub sij hawm tsis tshua muaj siab pulping, vim cov dej ntau ntawm cov fibers, qhov kev ncua deb ntawm cov fibers nce thiab ua raws li ib tug lubricant, ua rau muaj kev sib txhuam me ntsis thiab compression ntawm cov fibers, uas tsis txaus los cuam tshuam cov khoom ntawm cov fibers. Yog li ntawd, tsis tshua muaj concentration pulping tsuas yog nyob ntawm cov hniav kom ncaj qha cuam tshuam, shear, crush thiab rub cov fibers. Yog li, qhov sib txawv ntawm cov hniav yuav tsum tau khaws cia nyob ib ncig ntawm lub thickness ntawm ib tug fiber ntau los xyuas kom meej tias cov fibers yuav tsum muaj zog. Txawm li cas los xij, vim yog kev ua haujlwm thiab kev teeb tsa ntawm cov khoom siv pulping, lossis qhov tsis sib xws ntawm cov hniav thaum siv, qhov sib txawv ntawm cov hniav tsis tuaj yeem ua tau zoo ib yam. Ntawm qhov khoob me me, cov fibers yuav raug mob hnyav crushing thiab txiav. Ntawm qhov khoob loj, cov fibers yuav tsis tau txais kev kho mob pulping tsim nyog. Yog li ntawd, lub uniformity ntawm tsawg concentration pulping yog tsis zoo thiab muaj ntau txiav. Nyob rau hauv high concentration pulping, vim lub siab concentration ntawm slurry, qhov sib txawv ntawm lub nruas yog loj. Qhov kev txiav txim pulping tsis yog los ntawm kev ncaj qha ntawm lub nruas ntawm cov fibers, tab sis los ntawm kev sib nrig sib txhuam, compression, kneading, twisting, thiab lwm yam. Nyob rau tib lub sij hawm, ib tug loj npaum li cas ntawm kev sib txhuam kub yog generated, softening lub slurry thiab pab nws dissociation. Yog li ntawd, piv nrog tsawg concentration pulping, qhov ntev ntawm fibers nyob rau hauv high concentration pulping tsis txo ntau, thiab cov luv fibers thiab nplua fiber ntau yog txo. High concentration pulping muaj qhov qeeb qeeb ntawm pulping℃thiab cov dej lim dej zoo dua. Qhov no optimization ntawm fiber ntau morphology thiab lim dej cov yam ntxwv ncaj qha txo qhov kev pheej hmoo ntawm net adhesion thiab tsis sib xws lub cev qhuav dej ntawm slurry ntawm lubpolyester forming ntaub. Nyob rau hauv cov nqe lus ntawm fiber ntau morphology, kuj tseem muaj qhov sib txawv ntawm qhov tsis tshua muaj siab pulping. Lub longitudinal crushing ntawm fibers nyob rau hauv siab concentration pulping yog feem ntau nyob rau hauv ib tug twisted lub xeev, thaum cov uas tsis muaj concentration pulping yog nyob rau hauv ib tug dav band duab.
(2) Kev cuam tshuam ntawm siab concentration pulping ntawm daim ntawv khoom
Zuag qhia tag nrho, lub pulp tom qab siab concentration ntaus muaj fiber ntau ntev, yog li muaj lub zog tsim kua muag ntau dua, zoo fiber ntau dispersion, thiab zoo heev mechanical interlacing kev ua tau zoo, uas ua rau cov ntawv zoo dua qub. Vim qhov cuam tshuam ntawm fiber ntau distortion, wrinkling, thiab me ntsis compression, qhov chaw saum npoo thiab softness ntawm cov fibers nce, yog li txhim kho lub zog tawg, tensile zog, thiab elongation ntawm daim ntawv. Kev txhim kho tag nrho hauv daim ntawv muaj zog ua rau cov ntawv ntub dej ntawm cov ntaub ntawv polyester kom muaj kev ncaj ncees zoo ntawm cov ntaub ntawv polyester, muaj peev xwm tiv taus ntau dua traction thiab txo cov ntawv tawg. Nyob rau tib lub sijhawm, cov khoom siv dej pom zoo txhais tau hais tias cov dej tuaj yeem raug tshem tawm sai dua ntawm cov xaim seem, yog li kev txhim kho tag nrho kev ua haujlwm ntawm lub tshuab ntawv. Nws tuaj yeem hais tau tias qhov siab -zoo siab- cov txheej txheem kev sib xyaw ua ke muab cov txheej txheem zoo tshaj plaws rau cov ntaub ntawv polyester los ua kom nws lub cev qhuav dej zoo tshaj plaws thiab kev ua haujlwm zoo.
