Hukama pakati pesulfuryl fluoride gasi kusungwa uye warehouse air tightness

Mafumigants akawanda anogona kuwana zvakafanana insecticidal effect nekuchengetedza nguva pfupi pahuwandu hwepamusoro kana nguva yakareba panguva yakaderera. Izvo zvinhu zviviri zvakakura zvekuona iyo insecticidal effect ndeye inobudirira yekuisa uye inobudirira yekusimbisa kuchengetedza nguva. Kuwedzera kwekusangana kwemumiririri kunoreva kuwedzera kwemutengo wefumigation, iyo ine hupfumi uye inoshanda. Naizvozvo, kuwedzera nguva yefumigation zvakanyanya sezvinobvira inzira inoshanda yekudzikisa mutengo wefumigation uye kuchengetedza iyo insecticidal effect.

Maitiro ekushandisa fumigation anoratidza kuti kusimba kwemhepo kweimba yekuchengetera kunoyerwa nehafu yeupenyu, uye nguva yekuti dzvinyiriro idzike kubva pa500Pa kusvika 250Pa ndeye ≥40s yematura akafuratirwa uye ≥60s yematura akatenderedzwa asina kudzika kuti asangane nezvinodiwa zvekufukidzira. Nekudaro, kuomeswa kwemhepo kwematura emamwe makambani ekuchengetera kune hurombo, uye zvakaoma kuzadzisa zvinodiwa nemhepo yekufukidzira. Chiitiko chekushaya zvipembenene zvinowanzoitika panguva yekuputira zviyo zvakachengetwa. Naizvozvo, zvinoenderana nekusimba kwemhepo kwenzvimbo dzakasiyana dzekuchengetera, kana iyo yakakwana yekumisikidza yakasarudzwa, inogona kuve nechokwadi chekuuraya zvipembenene uye kuderedza mutengo weagent, rinova dambudziko rekukurumidzira rinogadziriswa kune ese mashandiro efumigation. Kuti uchengetedze nguva inoshanda, imba yekuchengetera inofanirwa kuve neyakanaka mhepo kusimba, saka ndehupi hukama pakati pekuomeswa kwemhepo nekusungwa kweajenti?

Maererano nemishumo yakakodzera, kana mhepo yakasimba yeimba yekuchengetera inosvika 188s, iyo yakareba yakasungwa hafu yeupenyu hwesulfuryl fluoride isingasviki 10d; apo mhepo yakasimba yeimba yekuchengetera iri 53s, iyo yakareba yakasungwa hafu yehupenyu hwesulfuryl fluoride iri pasi pe5d; apo mhepo yakasimba yeimba yekuchengetera iri 46s, ipfupi hafu yehupenyu hwehurefu hwakanyanya hwe sulfuryl fluoride ndeye 2d chete. Munguva yekufukidzira, iyo inokwirisa iyo sulfuryl fluoride concentration, kukurumidza kuora, uye chiyero chekuora kwesulfuryl fluoride gasi inokurumidza kupfuura iyo yephosphine gasi. Sulfuryl fluoride ine simba rekupinza kupfuura phosphine, zvichikonzera kupfupika kwegasi hafu yeupenyu kupfuura phosphine.

Sulfuryl fluoridefumigation ine hunhu hwekukurumidza kuuraya zvipembenene. Kuwanda kwetwumbuyu twakawanda twakachengetwa sezvipembenene zvine nyanga refu, zvipembenene zvesaw-saw, zvipfukuto, uye inda dzemubhuku dze48h fumigation dziri pakati pe2.0~5.0g/m'. Saka, panguva yekuputira, iyosulfuryl fluoridekusungirirwa kunofanira kusarudzwa zvine musoro maererano nemhando dzezvipembenene mudura, uye chinangwa chekukurumidza kuuraya zvipembenene chinogona kuwanikwa.

Pane zvinhu zvakawanda zvinokanganisa chiyero chekuora kwesulfuryl fluoride gasikuisa pfungwa mudura. Kusimba kwemhepo kweimba yekuchengetera ndicho chinhu chikuru, asi zvakare chine chekuita nezvinhu zvakaita semhando yezviyo, tsvina, uye porosity yemurwi wezviyo.