● Usoro nhazi akwụkwọ nke bamboo
Ebe ọ bụ na mmepe ụlọ ọrụ na-aga nke ọma na iji achara, ọtụtụ usoro ọhụrụ, teknụzụ na ngwaahịa maka nhazi achara apụtala n'otu n'otu, nke mere ka uru ojiji nke achara dịkwuo mma. Mmepe nke teknụzụ pulping mechanized nke China agbajiwo site na usoro akwụkwọ ntuziaka ọdịnala wee na-agbanwe ka ọ bụrụ ụdị mmepụta nke mepere emepe na nke mepere emepe. Usoro mmepụta achara a na-ewu ewu ugbu a bụ igwe, kemịkalụ na kemịkalụ. Pulp achara nke China na-abụkarị kemịkalụ, na-aza ihe dịka 70%; Igwe kemịkalụ na-erughị 30%; ojiji nke usoro n'ibu na-emepụta achara pulp na-ejedebeghị na nnwale, na ọ dịghị nnukwu ọnụ ọgụgụ ụlọ ọrụ akụkọ.
1.Mechanical pulping usoro
Ụzọ a na-emepụta ihe bụ iji ụzọ arụrụ arụ gwerie bamboo n'ime eriri na-etinyeghị ihe ndị na-emepụta kemịkal. Ọ nwere uru nke mmetọ dị ala, ọnụ ọgụgụ dị elu na usoro dị mfe. N'okpuru ọnọdụ njikwa mmetọ na-esiwanye ike na ụkọ akụrụngwa osisi dị na mba ahụ, ndị mmadụ ejirila nke nta nke nta jiri igwe achara kpọrọ ihe.
Ọ bụ ezie na pulping n'ibu nwere uru nke ọnụ ọgụgụ dị elu na mmetọ dị ala, a na-eji ya eme ihe n'ọtụtụ ebe na ụlọ ọrụ pulping na mpempe akwụkwọ nke ihe coniferous dị ka spruce. Otú ọ dị, n'ihi nnukwu ọdịnaya nke lignin, ash, na 1% NAOH wepụ n'ime ihe mejupụtara kemịkalụ nke bamboo, àgwà pulp adịghị mma ma ọ na-esiri ike izute ihe dị mma nke akwụkwọ azụmahịa. Ngwa ụlọ ọrụ dị ụkọ ma na-abụkarị n'ọkwa nke nyocha sayensị na nyocha teknụzụ.
2.Chemical pulping usoro
Usoro pulping kemịkalụ na-eji achara dị ka akụrụngwa ma na-eji usoro sulfate ma ọ bụ usoro sulfite mee pulp achara. A na-enyocha akụrụngwa achara, na-asa ya, akpọnwụọ nkụ, sie ya, na-akpachapụ anya, na-enyocha ya, na-asa ya ihe na-adịghị mma, na-enyocha ihe mechiri emechi, ikuku oxygen, ịcha ọcha na usoro ndị ọzọ iji mee pulp bamboo. Usoro pulping kemịkalụ nwere ike ichekwa eriri ahụ ma melite ọnụego pulping. Pulp enwetara dị mma, dị ọcha ma dị nro, dị mfe ịcha ọcha, enwere ike iji ya mepụta akwụkwọ edemede dị elu na akwụkwọ obibi akwụkwọ.
N'ihi mwepụ nke nnukwu ego nke lignin, ash na ihe dị iche iche dị iche iche na usoro nsị nke usoro nsị nke kemịkalụ, ọnụ ọgụgụ pulping nke pulping bamboo dị ala, n'ozuzu 45% ~ 55%.
3.Chemical Mechanical Pulping
Chemical Mechanical Pulping bụ usoro pulping nke na-eji achara dị ka ihe akụrụngwa na-ejikọta ụfọdụ njirimara nke pulping kemịkalụ na nhịahụ. Ihe eji arụ ọrụ kemịkalụ gụnyere usoro ọkara kemịkalụ, usoro igwe kemịkalụ na usoro temomechanical.
N'ihi na achara pulping na papermaking, pulping ọnụego nke chemical n'ibu pulping dị elu karịa nke chemical pulping, nke nwere ike n'ozuzu iru 72% ~ 75%; àgwà nke pulp enwetara site na kemịkalụ n'ibu pulping dị elu karịa nke n'ibu pulping, nke nwere ike imezu ihe achọrọ n'ozuzu nke mmepụta akwụkwọ ngwa ahịa. N'otu oge ahụ, ọnụ ahịa nke mgbake alkali na ọgwụgwọ nsị na-adịkwa n'etiti pulping chemical na n'ibu pulping.
▲Bamboo Pulping Production Line
● Ngwa eji eme akwụkwọ achara
The akụrụngwa nke akpụ ngalaba nke achara pulp papermaking mmepụta akara bụ ihu ọma otu ihe ahụ nke osisi pulp mmepụta akara. Nnukwu ihe dị iche na akụrụngwa achara achara dị na ngalaba nkwadebe dị ka slicing, ịsacha na isi nri.
Ebe ọ bụ na achara nwere ihe owuwu ghe oghe, ihe ndị e ji egbu ihe dị iche na nke osisi. Akụrụngwa slicing (flaking) nke a na-ejikarị na-agụnye ihe na-akpụ achara, onye na-egbutu diski na chipper drum. Ndị na-akpụ achara na-akpụ achara na diski achara na-arụ ọrụ dị elu, mana ịdịmma nke ibe achara achara (ụdị mgbawa bamboo) adịghị mma ka nke ndị na-akụ drum. Ndị ọrụ nwere ike họrọ akụrụngwa slicing (flaking) kwesịrị ekwesị dịka ebumnuche nke pulp bamboo na ọnụ ahịa nrụpụta. Maka obere osisi pulp bamboo dị obere na ọkara (mpụta <100,000 t / a), akụrụngwa slicing achara zuru oke iji gboo mkpa mmepụta; maka nnukwu osisi pulp bamboo (mpụta ≥100,000 t/a), enwere ike ịhọrọ akụrụngwa slicing buru ibu nke mba ụwa.
A na-eji ngwa ịsa ihe mgbawa achara wepụ ihe ndị na-adịghị ọcha, na-akọkwa ọtụtụ ngwaahịa nwere ikike na China. N'ozuzu, a na-eji ihe na-ehicha ihe na-ekpo ọkụ, ihe nrụnye nrụgide na ihe nkedo eriri eriri. Ụlọ ọrụ dị obere na nnukwu ụlọ ọrụ nwere ike iji ihe nrụgharị igwe eji arụ ọrụ okpukpu abụọ ma ọ bụ igwe na-asa mmiri siri ike.
A na-eji ihe eji esi nri achara eme ka mgbawa bamboo dị nro na nkewa kemịkalụ. Ụlọ ọrụ nta na nke ọkara na-eji ite esi nri kwụ ọtọ ma ọ bụ tube na-esi nri na-aga n'ihu. Nnukwu ụlọ ọrụ nwere ike iji igwe osi nri Camille na-aga n'ihu nwere ịsa mgbasa iji meziwanye nrụpụta mmepụta, mkpụrụ pulp ga-abawanye otú ahụ, mana ọ ga-abawanye ọnụ ahịa itinye ego otu oge.
1.Bamboo pulp papermaking nwere nnukwu ikike
Dabere na nyocha nke akụrụngwa achara nke China na nyocha nke ịdị mma nke achara n'onwe ya maka imepụta akwụkwọ, ike na-emepe ụlọ ọrụ achara achara nwere ike ọ bụghị naanị belata nsogbu nke akụrụngwa osisi siri ike na ụlọ ọrụ akwụkwọ China, kamakwa bụrụ ụzọ dị irè isi gbanwee usoro akụrụngwa nke ụlọ ọrụ na-emepụta akwụkwọ ma belata ịdabere na ibe osisi ebubata. Ụfọdụ ndị ọkà mmụta enyochala na ọnụ ahịa achara n'otu akụkụ dị ihe dị ka pasent 30 dị ala karịa nke pine, spruce, eucalyptus, wdg, na àgwà nke pulp bamboo dabara na nke osisi.
2.Forest-akwụkwọ ntinye aka bụ ntụziaka mmepe dị mkpa
N'ihi na ngwa ngwa-eto eto na regenerative uru nke achara, na-ewusi cultivation nke ngwa ngwa na-eto eto pụrụ iche nke achara na guzobe a achara pulp isi mmepụta nke integrates ọhịa na akwụkwọ ga-aghọ a ntụziaka maka adigide mmepe nke China si pulp na papermaking ụlọ ọrụ, mbenata ịdabere na ibubata osisi ibe na pulp, na-emepe emepe mba na mba.
3.Cluster achara pulping nwere nnukwu mmepe ikike
N'ụlọ ọrụ nhazi achara ugbu a, ihe karịrị 90% nke akụrụngwa bụ nke moso bamboo (Phoebe nanmu), bụ nke a na-ejikarị emepụta ihe ụlọ na ihe eji arụ ọrụ. Akpụcha akwụkwọ achara na-ejikarị moso bamboo (Phoebe nanmu) na cycad bamboo dị ka akụrụngwa, nke na-etolite ọnọdụ asọmpi akụrụngwa na-adịghị akwado mmepe mmepe nke ụlọ ọrụ ahụ. Dabere na ụdị achara dị ugbu a, ụlọ ọrụ na-emepụta akwụkwọ achara kwesịrị iji ike zụlite ụdị achara dị iche iche maka iji akụrụngwa eme ihe, jiri achara cycad dị ọnụ ala dị ọnụ ala, nnukwu dragọn achara, phoenix ọdụ achara, dendrocalamus latiflorus na achara ndị ọzọ na-asọ mpi maka ịkụ azụ na mma.
▲ Enwere ike iji bamboo gbakọtara dị ka ihe dị mkpa pulp
Oge nzipu: Sep-04-2024
