Direct extrusion bụ otu n'ime mmepe nke ọchịchọ nketeknụzụ extrusion.Na ndabere nke nyochaa njirimara nke co n'usoro ejima ịghasa extrusion maka ịgwakọta usoro, ụfọdụ isi ihe banyere akụrụngwa, usoro, na ebu nke kpọmkwem extrusion na a co adiana ejima ịghasa extruder dị ugbu a.
Ejima-ịghasa extruder bụ a ọtụtụ ebe na-aga n'ihu nhazi nke polymer.Ma enwere ike ịpụpụta ya ozugbo, ya bụ, ma enwere ike ịmecha ya n'otu oge, enwere ike kewaa ya ụzọ abụọ: ntụgharị ngalaba na-atụgharị na hetero-directional rotation.Ejima Coaxial kposara n'ime ngwakọta na ịkpụzi extrusion.Nwee ike ịgwakọta agwakọta, a na-ejikarị emezigharị, ndochi, 1 na-akwalite ozugbo na ọnọdụ extrusion plastik wee gwakọta ya na mmepụta sịntetik nke ịghasa alloys abụọ na-agwakọta ọrụ, usoro extrusion na-ejikarị ọnọdụ extrusion modular kpọmkwem dị na ihe ahụ bụ ihe bụ isi. nke ngwakọta ngwakọta n'ụzọ zuru ezu, site na iche iche synfuels fiasco tube akụrụngwa, Nchikota nke ịghasa element na-eju extruder nwere ike iwuli elu zuru oke nrụgide na eruba kwụsie ike.Dị ka kpọmkwem Ịgwakọta usoro nke ibufe, agbaze, Ịgwakọta, descaling, homogenizing na na, ọnọdụ nke co-directional ejima-ịghasa extruder eji na ịgwakọta na mbụ nyochaa.
1.Non - ejima directional - ịghasa nwere ike ịmepụta nrụgide dị elu na ọsọ ọsọ
Rotation ọsọ na mgbasa mmetụta, tumadi na-eji ngwaahịa na-achọ ezi ngalaba size ịkpụzi na extrusion, dị ka cone-direction ejima-ịghasa ịghasa elu ikwu ọsọ nwere ike na-emepụta a elu udi ejima-ịghasa extruder maka PVC profaịlụ ịkpụzi na extrusion.Ọ bụrụ na e jiri ya tụnyere ọnụ ọgụgụ nke shear na nnukwu nrụgide siri ike, nke dị elu na-agbagharị agbagharị, na-eme ka ọ dịkwuo mma.The otu-ịghasa extruder nwere ike imeghari ka a wider elu, ma ya dị iche iche àgwà adịghị mma dị ka dispersive agwakọta mmetụta.N'otu oge ahụ, elu adiana ọsọ ebelatawo nti nchụpụ nke ejima ịghasa otú a ma ama, otu ịghasa na-akasị ji maka ịkpụzi extrusion, ịghasa general ọrụ, nke mere na kwụsie ike nke extrusion.
Pụrụ iche imewe dị ka kpọmkwem extrusion usoro na ngwaahịa.
2.Principle nke ịghasa elementrị imewe
Na ojiji nke pụrụ iche ihe mmepụta ngwaahịa mkpa mix granulation na ịkpụzi extrusion agwakọta na otu ntụziaka nke ịghasa mmewere nke ejima ịghasa ukwuu n'ime dị ka "si dị ọcha" mbụ nzọụkwụ abụọ, na ukwuu n'ime na otu ntụziaka nke ejima ịghasa. na otu ịghasa imecha imewe, ụkpụrụ a na-ekpebi longitudinal Itie ga-emeghe, nke mere na abụọ ịghasa n'ime.Mgbe granulation nke ngwakọta nke okpukpu abụọ, a na-eme ka ihe dị mma na okpomọkụ dị n'ime ụlọ, na mgbanwe ihe onwunwe na-eme n'etiti otu ịghasa ihe mgbochi, dị ka e gosiri na 1 (a) .Mgbe ogologo ọwa mmiri na-agba ọsọ na-emeghe, okpomọkụ na-ebili ọzọ ruo mgbe ihe na-agbaze.Mgbe nhazi abụọ gasịrị, ọ ga-ekwe omume imeghe ọwa transverse iji ghọta mmụba nke oriri nke oghere ndị dị n'akụkụ ihe nkedo nke otu ihe nkedo, mmụba nke ọnụ ahịa nhazi, ịgbatị usoro mmepụta ihe na mgbanwe ihe.N'ihi ya, akụkọ ihe mere eme nke ikpo ọkụ na-ekesa na-abawanye na arụmọrụ na-ebelata.ndammana na-eduga ná nsogbu: ike, ma na-ebelata ezi nchụpụ mmetụta.
Oge nzipu: Jul-18-2019