A na-ekpebi ihe ndị chọrọ fiberboard n'ichepụta fiberboard dabere na ụdị ngwaahịa, usoro mmepụta na ọkwa akụrụngwa.N'ihe gbasara ịdị mma nke eriri, a na-achọrọ eriri ndị ahụ kewapụrụ ka ha nwee ebe dị elu nke ọma na ihe ndị na-ejikọta ya na mma, ma na-achọ akụkụ ụfọdụ, uru sieve, na drainage fiber, permeability air, chemical components, na fiber polymerization.Enwere ihe siri ike chọrọ.Dị ka mmepụta mmiri mmiri, n'ime usoro nhazi nke slab na ịpị ọkụ, a chọrọ eriri eriri iji nwee ọrụ nke akpịrị ịkpọ nkụ ngwa ngwa ma dị mfe.Nmepụta akọrọ na-achọ ọ bụghị naanị ezigbo ntinye nke eriri, kamakwa ezigbo ikuku nke slab.Ma ọ bụghị ya, slabs ndị a kpụrụ nke ụzọ mmepụta abụọ ahụ ga-ebibi usoro nke slabs ma na-emetụta àgwà dị n'ime ngwaahịa n'oge njem na ịpị ọkụ.Otú ọ dị, mgbe ị na-emepụta fiberboard dị ala ma ọ bụ dị nro, eriri ahụ nwere ike ọ gaghị agbanye tupu ya ma ọ bụ pịa ya ka ọ kpoo ya n'ime bọọdụ mgbe ọ kpụchara slab.Ogo nke brooming na-abawanye njikọ aka na mpaghara kọntaktị n'etiti eriri n'onwe ha.
(1) Mmekọrịta dị n'etiti morphology fiber na àgwà ngwaahịa
N'ihe gbasara ọdịdị nke eriri ahụ, enwere nnukwu ọdịiche dị n'etiti akụrụngwa dị iche iche.Dịka ọmụmaatụ, nkezi ogologo ogologo tracheid fiber nke osisi coniferous bụ 2-3 mm, na akụkụ akụkụ bụ 63-110;nkezi ogologo nke eriri tracheids na eriri osisi siri ike nke osisi nwere nnukwu akwụkwọ bụ 0.8-1.3 mm, na akụkụ akụkụ bụ 35-110 58;maka ihe eji eme fiber ahihia, nkezi ogologo nke eriri tracheids bụ naanị 0.8-2.2 mm, akụkụ akụkụ bụ 30-130, ọdịnaya nke mkpụrụ ndụ na-abụghị fiber dị elu.
Site n'echiche nke ogologo eriri na akụkụ akụkụ, ọ dị ka fiberboard nke ejiri eriri softwood mee ka mma.Otú ọ dị, egosipụtara na ịrụ ọrụ nke fiberboard nke ihe niile coniferous na-agbanye abụghị nke kachasị mma.Nke a bụ n'ihi na ọkpụrụkpụ nke eriri tracheids nke ihe coniferous bụ tubular, na ọkpụrụkpụ nke mgbidi cell dịtụ ibu karịa obosara nke eriri.Ngụkọta mpaghara kọntaktị na-adị ntakịrị.N'ụzọ megidere nke ahụ, eriri tracheid nke eriri, eriri osisi siri ike, na ụzọ nke osisi nwere nnukwu akwụkwọ nwere mgbidi dị mkpa ma nwee ọdịdị nke eriri, nke mere na ebe njikọ dị n'etiti eriri ahụ buru ibu, ihe eji ejikọta ya dịkwa mma.Ngwaahịa Fibreboard nwere nnukwu njupụta na ike.
Ike nke eriri ahụ n'onwe ya nwekwara mmetụta ụfọdụ na ike nke ngwaahịa fiberboard.Onwere mgbe otu onye jiri usoro agba agba gafere ule ịgbado na mgbaka ike nke eriri fiberboard siri ike, wee hụ n'okpuru microscope, a hụrụ na 60% ruo 70% nke otu eriri mebiri emebi.Site na njedebe nke ule ahụ, a kwenyere na ike dị n'ime nke monomer fiber n'onwe ya enweghị mmetụta ọ bụla na ike nke fiberboard dị nro na njupụta nke 0.25-0.4g / cm3.Ọ nwere mmetụta doro anya karị na ike nke ọkara njupụta fiberboard na njupụta nke 0.4-0.8g/cm3.Ọ ga-enwe mmetụta dị ukwuu na ike nke fiberboards dị elu nwere njupụta karịa 0.9g/cm3.Nke a bụ n'ihi na ike dị n'ime otu eriri ahụ n'onwe ya metụtara ogologo ogologo nke cellulose yinye (ya bụ, ogo nke polymerization), na nkwụsị nke otu eriri nwere ike iru 40000Pm.Mgbe emechara eriri ndị ahụ ma guzobe ka ọ bụrụ slabs, nhazi oge na-adịghị na ya na-adị n'ụdị na-agbasasị na nke na-adịghị agbanwe agbanwe.Mgbe ikpochapụ mmetụta nke ihe ndị ọzọ, na-eche na nkezi na-agbaji ogologo nke otu eriri bụ 20 000 Pm, wee gbakọọ dị ka a conservative ọnụ ọgụgụ nke 40%, otu eriri The gbajiri ogologo nwere ike iru 8 000 Pm.Enwere ike ịhụ na mmekọrịta dị n'etiti ike nke eriri n'onwe ya na ike nke ngwaahịa fiberboard.
(2) Mmekọrịta dị n'etiti ogo nke nkewa fiber na àgwà fiberboard
Ogo nke nkewa nke eriri na-ezo aka n'ókè nkewapụ eriri mgbe emechara ya, nke bụ akụkụ nke na-egosipụta àgwà nke eriri.The mma nke eriri nkewa, ibu ibu kpọmkwem n'elu ebe eriri, na-ada ogbenye na mmiri drainage na ikuku permeability nke eriri.N'aka nke ọzọ, mma nke mmiri filtration na ikuku permeability nke eriri, ma eriri n'oge a na-emekarị thicker na kpọmkwem elu ebe nke eriri bụ kwekọrọ ekwekọ nta.Mgbe eriri eriri gachara, ebe a kapịrị ọnụ nke eriri ahụ na-adaba na mmiri na-agbapụta mmiri.Ka nnukwu ebe a kapịrị ọnụ dị, ka eriri ndị dị mma na-adịwanye mma, na-akawanye njọ nke mmiri drainage nke eriri ahụ.Ogbenye eriri nkewa ogo keadighi rarii eriri (28 ~ 48 ntupu) nwere obere ikuku na-eguzogide, mgbe elu eriri nkewa ogo na ezi eriri nwere nnukwu kpọmkwem n'elu ebe (100 ~ 200 ntupu), ogbenye ikuku permeability nke eriri, ezi slab ndochi, ma nnukwu ikuku. iguzogide.Ka akụkụ elu nke eriri ahụ na-ebuwanye ibu, na-ebelata ụda nke eriri ahụ, na nke ọzọ.N'ihi ya, enwere ike ịchọta na nzacha, ikuku permeability na olu nke eriri niile nwere njikọ ụfọdụ na ogo nkewa nke eriri ahụ.Ya mere, enwere ike ịsị na ogo nke nkewa nke eriri bụ ihe dị mkpa na-egosi àgwà nke fiber pulp, nke na-emetụta kpọmkwem usoro mmepụta eriri na àgwà ngwaahịa.Omume egosila na n'ime ihe dị iche iche, ọkwa dị elu nke nkewa nke eriri, ya bụ, nke kachasị mma, ka mma na-ejikọta n'etiti eriri nke slab ahụ, na ike, nkwụsị mmiri na njupụta ngwaahịa nke fiberboard. na-abawanye otú ahụ.
Tụkwasị na nke ahụ, a na-ekwubi site na ahụmahụ bara uru na a ghaghị ịchịkwa ogo nke nkewa nke eriri n'ime ihe dị iche iche dabere na ịkwado àgwà ngwaahịa dịka ụdị ngwaahịa dị iche iche na njirimara usoro.
(3) Mmekọrịta dị n'etiti uru nyocha fiber na àgwà fiberboard
Ụdị eriri, ogologo eriri, na nha eriri eriri nke ụdị ngwaọrụ dị iche iche nke eriri fiber ga-enwe mmetụta dịgasị iche iche na ogo fiberboard.Usoro a na-anwale mma eriri na-abụkarị iji nkewa fiber (nnwere onwe DS na eriri percussion ogo SR).N'ihi na eriri n'onwe ya dị nnọọ iche, ọ na-esikarị ike igosipụta njirimara nke eriri fiber site n'ịtụ ogo nkewa nke eriri naanị.Mgbe ụfọdụ ụkpụrụ nnwere onwe nke eriri abụọ ahụ na-eyikarị, mana ogologo na oke nha nke eriri ahụ dị iche.Ya mere, a na-agbakwunye ya site n'inyocha uru nke eriri fiber sieving iji nyochaa àgwà nke eriri ahụ kewapụrụ.
Uru nyocha eriri eriri dị oke mkpa na mmepụta n'ezie.Ịmezi uru nyocha nke eriri slurry nwere ike imeziwanye ọdịdị eriri na njirimara slurry, si otú ahụ na-eme ka ngwaahịa fiberboard dịkwuo mma.A na-eleba anya n'ihe nyocha nke mmetụta nke uru nyocha fiber na àgwà fiberboard, ma nwetakwa usoro teknụzụ mgbe niile.A na-emetụta ụbụrụ ụbụrụ nke eriri site na ụdị ihe onwunwe na usoro nke nkewa eriri.Osisi coniferous dị mma karịa eriri osisi nke sara mbara.Usoro igwe kemịkalụ dị mma karịa usoro igwe kpo oku (ya bụ, usoro egweri thermal), na usoro igwe dị ọcha na-arụ ọrụ nke ọma.ogbenye.
Dongguan MUMUỤlọ ọrụ Woodworking Co., Ltd.bụ onye China na-emepụta ihe ụlọ na-ebupụta ụda na-ebu ihe.Bikokpọtụrụ anyịmaka ozi ndị ọzọ!
Oge nzipu: Jul-22-2023
