24 Gore Industrial Kuputika-Uchapupu Mugadziri

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Inopisa Gasi Rinoputika Limit

Mumamiriro ekuedzwa akajairwa, muganho wekutarisa apo gasi rinopisa kana mhute yakasanganiswa neoxidizing gasi inotungamira kune kuputika inodaidzwa semuganho wekuputika.. Kazhinji, izwi rokuti 'kuputika muganhu’ Zvinoreva muganhu wepakati pemagasi anobvira kana mhute mumhepo. Kudzikira kwakadzika kwegasi rinobvira rinogona kukonzera kuputika kunozivikanwa semuganho wepasi wekuputika. (LEL), uye iyo yepamusoro-soro semuganhu wekuputika kwepamusoro (UEL).

kuputika kwegasi rinopisa
Kana magasi anopisa kana mhute yemvura iri mukati memiganhu yekuputika uye inosangana nemhepo inopisa (zvakadai semurazvo wakavhurika kana wepamusoro tembiricha), murazvo unokurumidza kupararira kuburikidza negasi kana nzvimbo yeguruva. Izvi zvinokurumidza kuita kemikari inoburitsa huwandu hwakawanda hwekupisa, kugadzira magasi anowedzera nekuda kwekupisa, kugadzira tembiricha dzakakwirira uye madhindindi ane simba guru rekuparadza.

Kuputika miganho ndiwo maparameter akakosha pakutsanangura njodzi dze zvinobvira moto magasi, vapar, neguruva rinobvira. Kazhinji, kuputika kwemagasi anopfuta uye mhute inoratidzwa sechikamu chegasi kana mhute mumusanganiswa..

Semuyenzaniso, pa20°C, iyo nzira yekushandurwa yechikamu chevolumetric uye kuwanda kwegasi rinopfuta ndiro:

Y = (L/100) × (1000M/22.4) × (273/(273+20)) = L × (M/2.4)

Muchirongwa ichi, L ndiyo chikamu che volumetric (%), Y ndiyo mass concentration (g/m³), M ndiyo inoenderana molecular mass ye gasi rinobvira kana mhute, uye 22.4 ndiyo volume (litres) zvakagarwa na 1 mol yechinhu chiri munzvimbo ine gasi pasi pemamiriro akajairwa (0°C, 1 atm).

Semuyenzaniso, kana iyo methane gasi yekuisa mumhepo iri 10%, inoshandura ku:

Y = L × (M/2.4) = 10 × (16/2.4) = 66.67g/m³

Pfungwa yekuputika kwemiganhu yemagasi anopisa, vapar, uye guruva rinogona kutsanangurwa nedzidziso yekuputika kwekupisa. Kana kusangana kwegasi rinopisa, mhute, kana guruva riri pasi pe LEL, nekuda kwemhepo yakawandisa, kutonhora kwemhepo, uye kusakwana kusungirirwa kwezvinhu zvinopisa, iyo system inorasikirwa nekupisa kwakawanda kupfuura yainowana, uye mhinduro haina kuenderera. Saizvozvowo, kana iyo yekuisa iri pamusoro peUEL, kupisa kunogadzirwa kuduku kudarika kupisa kwakarasika, kudzivirira kuita. Uyezve, gasi rinopisa zvakanyanya kana guruva haringokundikani kuita uye kuburitsa kupisa nekuda kwekushaikwa kwe okisijeni asiwo inotonhorera musanganiswa, kudzivirira kupararira kwemurazvo. Uyezve, kune zvimwe zvinhu zvakadai ethylene oxide, nitroglycerin, neguruva rinopfuta sepfuti, iyo UEL inogona kusvika 100%. Zvinhu izvi zvinopa oxygen yavo panguva yekuora, kubvumira kuita kuti kuenderere mberi. Kuwedzera kudzvanywa uye tembiricha zvinowedzera kugonesa kuparara kwavo uye kuputika.

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