Jira risina kurukwa/jira risina kurukwa, sechigadzirwa chejira chisiri chetsika, chinhu chakakosha uye chakakosha munharaunda yemazuva ano nekuda kwehunhu hwaro hwakasiyana uye mashandisirwo akasiyana-siyana. Rinonyanya kushandisa nzira dzemuviri kana dzemakemikari kubatanidza nekubatanidza machira pamwe chete, zvichigadzira jira rine simba rakati uye rakapfava. Kune matekinoroji akasiyana-siyana ekugadzira machira asina kurukwa, uye maitiro akasiyana ekugadzira anopa machira asina kurukwa hunhu hwakasiyana kuti agutse zvinodiwa zvakasiyana-siyana zvekushandisa.
Mumaindasitiri akawanda akadai sehupenyu hwezuva nezuva, maindasitiri, uye kuvaka, machira asina kurukwa anogona kuonekwa achiita basa rawo:
1. Munyaya dzehutano: mamasiki, magauni ekuvhiya, mbatya dzekudzivirira, madhirezi ekurapa, manapukeni ekuchenesa, nezvimwewo.
2. Zvinhu zvekusefa: mafirita emhepo, mafirita emvura, zvinoparadzanisa mafuta nemvura, nezvimwewo.
3. Zvinhu zveGeotechnical: network yemvura inoyerera, membrane inodzivirira kubuda kwemvura, geotextile, nezvimwewo.
4. Zvishongedzo zvezvipfeko: jira remukati, jira remukati, mapendekete epafudzi, nezvimwewo.
5. Zvinhu zvemumba: magumbeze, machira etafura, machira, nezvimwewo.
6. Mukati memotokari: zvigaro zvemota, matenga, makapeti, nezvimwewo.
7. Zvimwe: zvinhu zvekurongedza, zvinoparadzanisa mabhatiri, zvinhu zvemagetsi zvinodzivirira kuputira zvigadzirwa, nezvimwewo.
Maitiro makuru ekugadzira machira asina kurukwa anosanganisira zvinotevera:
1. Nzira yeMeltblown: Nzira yeMeltblown inzira yekunyungudutsa zvinhu zvethermoplastic fiber, uchipfapfaidza nekumhanya kukuru kuti zvigadzire shinda diki, wozozvibatanidza pamwe chete kuti zvigadzire machira asina kurukwa panguva yekutonhodza.
-Kuyerera kwemaitiro: kudya kwepolymer → kunyungudutsa → kugadzirwa kwefiber → kutonhora kwefiber → kugadzirwa kwewebhu → kusimbiswa mujira.
-Zvinhu: Fiber dzakanaka, kushanda zvakanaka kwekusefa.
-Kushandiswa: Zvinhu zvinosefa zvinobudirira, zvakaita semasiki nezvinhu zvekusefa zvekurapa.
2. Nzira yeSpunbond: Nzira yeSpunbond inzira yekunyungudutsa zvinhu zvethermoplastic fiber, zvichigadzira fibers dzinoramba dzichishandiswa kuburikidza nekutambanudza nekukurumidza, uye wozodzitonhodza nekudzibatanidza mumhepo kuti dzigadzire jira risina kurukwa.
-Kuyerera kwemaitiro: polymer extrusion → kutambanudza kugadzira filaments → kuisa mu mesh → bonding (self bonding, thermal bonding, chemical bonding, kana mechanical reinforcement). Kana roller yakatenderera ikashandiswa kuisa pressure, hot pressing points (pockmarks) dzinoonekwa pamusoro pejira rakamanikidzwa.
-Zvinhu: Hunhu hwakanaka hwemuchina uye kugona kufema zvakanaka.
-Zvishandiso: zvekushandisa pakurapa, mbatya dzinoraswa, zvinhu zvemumba, nezvimwewo.
Pane musiyano mukuru muchimiro chemukati memukati memicheka isina kurukwa inogadzirwa ne spunbond (kuruboshwe) uye nzira dze meltblown pachiyero chimwe chete. Munzira ye spunbond, mipata ye fiber ne fiber yakakura kupfuura iyo inogadzirwa ne meltblown method. Ichi ndicho chikonzero nei micheka isina kurukwa ye meltblown ine mipata midiki ye fiber inosarudzwa kune micheka isina kurukwa iri mukati memasiki.
Nguva yekutumira: Gunyana-19-2024