Ihlukaniswa ngokwezinto zokudonsa, izindlela zokudonsa kanye nokusetshenziswa kwe-pulp, njenge-kraft softwood pulp, i-mechanical wood pulp, i-pulp yokhuni ecolisisiwe, njll. I-pulp yokhuni isetshenziswa kakhulu, ibalwa ngaphezu kuka-90% wevolumu ye-pulp.I-Wood pulp ayisetshenziswanga kuphela ekwenzeni iphepha, kodwa futhi isetshenziswa kabanzi kweminye imikhakha yezimboni.Ngakho-ke, i-pulp enengxenye enkulu ye-latewood, ekushayweni okuphakathi, ikakhulukazi ekushayeni kwe-viscous, kufanele ishaye ngomfutho othize ophansi kanye nokugxila okuphezulu, futhi indlela yokulahla imimese ngokulandelana noma ukunciphisa ngokulandelana ukuhlukana kwemimese kufanele kube. esetshenziselwa ukushaya.
Esimweni sokwehla kwesidingo sephepha lamasiko, ukukhula kwesidingo sephepha lasendlini kungashukumisa ngempumelelo ukusetshenziswa kwemakethe ye-wood pulp.Uma kuqhathaniswa nendawo evundlile, ukusetshenziswa kwephepha lasekhaya ngomuntu ngamunye ezweni lami kungu-6kg/umuntu ngonyaka, okuphansi kakhulu kunamazwe athuthukile.Esimweni sokwehla kwesidingo sephepha lamasiko ezweni lami, isidingo sephepha lasendlini kulindeleke ukuthi sibe umshayeli omusha wokukhula kwesidingo se-pulp.
Ngokwemininingwane yezokuthutha, ezinyangeni eziyisikhombisa zokuqala zalo nyaka, ichweba laseManzhouli langenisa amathani angu-299,000 e-pulp, okuwukunyuka ngo-11.6% unyaka nonyaka;inani lalingamabhiliyoni ayi-1.36, okuwukukhuphuka ngo-43.8% unyaka nonyaka.Kuyafaneleka ukubalula ukuthi ngoNtulikazi kulo nyaka, i-pulp engenisiwe echwebeni laseManzhouli yayingamathani angu-34,000, okuwukunyuka ngo-8% unyaka nonyaka;inani laliyizigidi eziyi-190, ukwanda ngo-63.5% unyaka nonyaka.Ezinyangeni eziyisikhombisa zokuqala zalo nyaka, ichweba laseChina elikhulu kunawo wonke - ichweba laseManzhouli, inani elivela kwamanye amazwe le-pulp lingaphezu kwezigidigidi eziyi-1.3.Lokhu kuhlobene nokwanda okukhulu kwesidingo semakethe ye-wood pulp yasekhaya engxenyeni yokuqala yalo nyaka, okuholele ekwenyukeni kwempahla ethengwayo.
Ku-earlywood kanye ne-latewood pulp, isilinganiso se- earlywood ne-latewood sihlukile, futhi ikhwalithi ye-pulping nayo ihlukile uma izimo zokushaywa ezifanayo zisetshenziselwa ukushaya.I-latewood fiber yinde, udonga lwamaseli luwugqinsi futhi luqinile, futhi udonga lokuzalwa alulinyazwa kalula.Ngesikhathi sokushaywa, imicu inqanyulwa kalula, futhi kunzima ukumunca amanzi futhi ivuvuke futhi ibe ne-fibrillated.
I-China ingenye yabathengi abakhulu kakhulu be-pulp yezinkuni, futhi ayikwazi ukuzuza ngokuphumelelayo ukuzimela kwe-pulp impahla eluhlaza ngenxa yokuntuleka kwezinsiza zehlathi.I-Wood pulp incike kakhulu ekuthengeni kwamanye amazwe.Ngo-2020, ukuthengwa kwe-wood pulp kwamanye amazwe kwabalelwa ku-63.2%, phansi ngamaphesenti angu-1.5 ukusuka ngo-2019.
Kusukela ekusatshalalisweni kwesifunda kwemboni yezwe lami ye-wood pulp, izinsiza zehlathi eMpumalanga yeShayina naseNingizimu China zisakazwa kabanzi, futhi amandla okukhiqiza amapulangwe ezwe lami asatshalaliswa kakhulu eMpumalanga China naseNingizimu China.Idatha ibonisa ukuthi isamba seNingizimu China kanye ne-East China zenza ngaphezu kwama-90% amandla okukhiqiza amapulangwe ezwe lami.izinsiza zomhlaba zezwe lami zilinganiselwe.Ethintwe yizinyathelo ezifana nokuvikelwa kwemvelo, kunenani elikhulu le-wasteland enyakatho engakavulwa, okungenzeka ibe yisihluthulelo sokuthuthukiswa kwamahlathi okwenziwa esikhathini esizayo.
Umphumela wemboni yezwe lami ye-wood pulp ukhule ngokushesha, futhi izinga lokukhula liye lakhula ngesivinini kusukela ngo-2015. Ngokusho kwedatha, ukuphuma kwe-wood pulp yezwe lami kuzofinyelela ku-1,490 ngo-2020, okukhuphuke ngo-17.5% ngo-2019.
Uma sibheka ingxenye yonke ye-pulp yezinkuni embonini ye-pulp, ukukhiqizwa kwe-pulp yezinkuni kwezwe lami kuye kwanda unyaka nonyaka esilinganisweni sesisonke se-pulp, sifinyelela ku-20.2% ngo-2020. i-pulp, irayisi kanye ne-wheat straw pulp, njll.) kubalwe ku-7.1%, kuyilapho ukukhishwa kwe-waste paper pulp kukhuphuke ngokushesha, kubalele ku-72.7% ngo-2020, njengomthombo oyinhloko we-pulp.
Ngokwemininingwane yocwaningo lwe-China Paper Association, inani lokukhiqizwa kwe-pulp ezweni libe ngamathani ayizigidi ezingama-79.49, okuwukunyuka ngo-0.30%.Phakathi kwazo: amathani ayizigidi eziyi-10.5 embonini ye-wood pulp, ukwanda ngo-4.48%;amathani ayizigidi ezingama-63.02 emfucumfucu wephepha;Amathani ayizigidi ezi-5.97 e-non-wood pulp, okukhuphuke ngo-1.02%.I-Hardwood pulp kufanele ishaywe ngokucindezela okukhethekile okushaywayo kanye nokugxila kokushaya okuphezulu.Imicu ye-softwood pulp mide, ngokuvamile i-2-3.5 mm.Lapho ukhiqiza iphepha lesikhwama sikasimende, akufanelekile ukusika imicu eminingi kakhulu., ukuze kuhlangatshezwane nezidingo zokulingana zephepha, lidinga ukunqunywa ku-0.8-1.5 mm.Ngakho-ke, ohlelweni lokushaya, izimo zenqubo yokushaya zinganqunywa ngokuvumelana nezidingo zohlobo lwephepha.
Isikhathi sokuthumela: Oct-14-2022
