Nkwakọ ngwaahịa Vacuum bụ iji mechie ihe ndị ahụ mgbe ikuku dị n'ime akpa akpa amịpụtara, iji mezuo ebumnuche nke idobe ihe ọhụrụ na ogologo oge nke ihe ndị a na-achịkọta, ma dị mma maka njem na nchekwa.Akụrụngwa nkwakọ ngwaahịa Vacuum bụ igwe na-ewepụ ikuku n'ime akpa ahụ mgbe etinyere ngwaahịa ahụ n'ime akpa nkwakọ ngwaahịa, rute ogo nke oghere a kara aka (na-abụkarị 2000 ~ 2500Pa) wee mechie akara.Ọ nwekwara ike jupụta na nitrogen ma ọ bụ gas ndị ọzọ agwakọtara, wee mezue usoro akara.
Teknụzụ nkwakọ ngwaahịa Vacuum dị kemgbe 1940.Ruo n'etiti na mbubreyo 50s, oghere nkwakọ ngwaahịa na-eji nwayọọ nwayọọ malite iji polyethylene na ihe nkiri plastik ndị ọzọ maka nkwakọ.Na mmalite 1980s, na mmepe ngwa ngwa nke ụlọ ọrụ na-ere ahịa na nkwalite nke ntanye nke ntanye, a na-etinye nkà na ụzụ ma mepụta ya.Ihe nkwakọ ngwaahịa na-adaba adaba maka ụdị ọ bụla nke plastic composite film bags ma ọ bụ aluminum foil composite film bags, dị ka polyester / polyethylene, naịlọn / polyethylene, polypropylene / polyethylene, polyester / aluminum foil / polyethylene, naịlọn / aluminum foil / polyethylene, wdg. .Site na mmụba nke echiche mmadụ na-aga n'ihu na-aga n'ihu, itinye ngwa nke igwe nkwakọ ngwaahịa adọtala nlebara anya site na nri, textiles, electronics na ụlọ ọrụ ndị ọzọ.
Site na mmepe nke sayensị na teknụzụ na-aga n'ihu na mmụba na-aga n'ihu nke ụkpụrụ ndụ mmadụ, ngwa nke teknụzụ nkwakọ ngwaahịa ga-abawanye ụba, na ụdị dị iche iche, ụdị, arụmọrụ na ịdị mma nke ngwa nkwakọ ngwaahịa oghere ga-agbanwe ma melite.N'ime ụlọ ọrụ akwa na ọrụ aka, nkwakọ ngwaahịa oghere nwere ike belata ọnụ ahịa ngwaahịa nke ọma ma kwado nkwakọ ngwaahịa na njem;N'ime ụlọ ọrụ nri, nkwakọ oghere na usoro ịgba ọgwụ mgbochi ọrịa nwere ike igbochi mmeputakwa nje nke ọma, belata mmebi nke nri, na ịbawanye ndụ nchekwa nri;N'ime ụlọ ọrụ ngwaike, ngwa ngwa nwere oghere nwere ike kewapụ oxygen, ka ngwa ndị ahụ ghara oxidize na nchara.
Ọdịdị nke akụrụngwa nkwakọ oghere dị iche, na usoro nhazi ọkwa dịkwa iche.Ọtụtụ mgbe, enwere ike kewaa ya na ụdị extrusion igwe, ụdị intubation, ụdị ụlọ, wdg dị ka ụzọ nkwakọ ngwaahịa dị iche iche;dị ka ụzọ ndị a na-achịkọta ihe si abanye n'ime ụlọ ahụ, enwere ike kewaa ya n'ime otu ụlọ, okpukpu abụọ, thermoforming, belt conveyor, rotary vacuum chamber Dị ka usoro mmegharị ahụ si dị, enwere ike kewaa ya n'ime ụdị nkwụsịtụ na ụdị na-aga n'ihu;dị ka mmekọrịta dị n'etiti ngwaahịa ekpokọtara na akpa nkwakọ ngwaahịa, enwere ike kewaa ya na nkwakọ ngwaahịa anụ ahụ na oghere inflatable nkwakọ.
Oge nzipu: Sep-09-2022
