Flash-batu

Flash - instantaneous konewa daga cikin cakuda iska da kuma vapors na flammable abubuwa, tare da gajeren mai haske haske. Barga konewa tare da wannan. Flashpoint - m zazzabi of takaice abubuwa, a cikin abin da kan su surface an kafa wata biyu da walƙiya a lokacin da walƙiya, harshen wuta ko wani Lagwani jiki.

Ability don filashi a gwada low yanayin zafi da ruwa da suka shafi cikin category flammable. Matsakaicin flashpoint irin wannan abubuwa a rufaffiyar crucibles ne + 61 ° C, bude - + 66 ° C. Wasu abubuwa iya ƙone spontaneously, kai da hankula ga su ƙonewa zazzabi.

Tabbatar da dalilin da matsa lamba na cikakken tururi ne yiwu ga wani flammable ruwa. Yana ƙãra rabo ƙara a zazzabi da kayan. Da zarar flash batu ya kai da m (matsakaicin) index, kuma shi ya zama mai yiwuwa don kula da konewa.

Duk da haka, da farko na ma'auni "tururi - ruwa" zai bukaci wasu lokaci, wanda shi ne na gwargwado ga kudi na samuwar vapors. Barga konewa za a iya cimma, kai wani (ga kowane mutum abu) ƙonewa zazzabi, saboda konewa zafin jiki ne ko da yaushe mafi girma fiye da na flash batu.

Direct canza yanayin zafi a da flash abu yana da wasu matsaloli. Saboda haka, flash ma'ana yana dauke su da yawan zafin jiki na dauki jirgin ruwa ganuwar, a cikin abin da wannan flash aka kiyaye. Dogara kai tsaye a kan zafin jiki yanayin da ke faruwa a cikin zãfi musayar jirgin ruwa daga ta catalytic aiki a kan muhalli, da girma na ruwa a wani jirgin ruwa.

Manuniya damar gwaje-gwajen yin lissafi halal ga harkokin sufuri da kuma ajiya zafin jiki na flammable abubuwa. Auna zazzabi flash a rufaffiyar crucibles, yawanci da Pensky-Martens. COC aka kayyade gwaje.

Musamman m taya iya walƙiya a zazzabi kasa -18 ° C a rufaffiyar crucibles kasa - 13 ° C - bude. Ci gaba zaci m taya wanda zai iya filashi at zazzabi na + 23 ° C a rufaffiyar crucibles zuwa + 27 ° C bude. Manuniya yanayin zafi m taya up to + 60 ° C m, a rufaffiyar crucibles zuwa + 66 ° C m - a lokacin da bude.

Flash zazzabi bambanci, da ƙonewa da konewa dabam muhimmanci, kuma shi ne mutum ga kowane abu. Flash batu na man dizal, misali - ba fiye da + 70 ° C. Its konewa zazzabi - + 1100 ° C. Flashpoint - daga + 100 ° zuwa + 119 ° C. Amma da fetur flash zazzabi, saboda da sosai high volatility, shi ne + 40 ° C, da kuma wani lokacin m. Its ƙonewa zazzabi - + 300 ° C. Manuniya a kan fetur, mafi jimlace. Su ya kamata a yi la'akari da matsakaici, tun da akwai daban-daban iri fetur (hanya (bazara, hunturu), iska) da ma halaye daban-daban, kuma, daidai da, daban-daban flash yanayin zafi ƙonewa konewa.

Konewa - wani tsari tare da kwata 'yanci na babban adadin zafi da halayyar watsi da haske (luminescence), da yuwuwar a wani zazzabi ga kowane abu da kuma oxygen damar shiga ko wasu jamiái (sulfur, bromine tururi da kuma sauransu.).

A mafi hatsari ne fashewar, halin da instantaneous sinadaran dauki don saki gagarumin makamashi, da kuma goyon bayan inji aiki. The wuta a cikin fashewa iya yada wa 3,000 mita biyu. Konewa daga cikin cakuda a irin wannan kudi ya kira harin. Shin wani sakamako na fasa buga tãguwar ruwa sau da yawa sa muhimmanci lalacewar da hatsarori.