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Receptionists pratsі - Moskalova VM

6.3.2 Klasifіkatsіya primіschen budіvel that zovnіshnіh installations for vibuhopozhezh that pozhezhnoyu nebezpekoyu

For viznachennya stage vognestіykostі, ploschі that poverhnostі Zabudova, and takozh scorched Sistemi, vodopostachannya, ventilation is the іnshih parametrіv neobhіdno nobility klasifіkatsіyu primіschen (budіvel) for stage vibuhopozhezhnoї nebezpeki.

In osnovі klasifіkatsії lie porіvnyalnі danі scho viznachayut ymovіrnіst viniknennya Pozhezhi abo vibuhu fallow od vlastivostey i'm rechovin scho zadіyanі in virobnichomu protsesі.

Kategorіya for vibuhopozhezhnoyu that pozhezhnoyu nebezpekoyu budіvel abo primіschen - tse klasifіkatsіyna characteristic nebezpeki ob'єkta scho viznachaєtsya kіlkіstyu i pozhezhnonebezpechnimi vlastivostyami rechovin i materіalіv, SSMSC znahodyatsya, abo obertayutsya there s urahuvannyam Especially tehnologіchnih virobnichih protsesіv.

For vibuhopozhezhnoyu i pozhezhnoyu nebezpekoyu primіschennya th budіvlі podіlyayutsya kategorіy 5: A, B, C, D, E, and zovnіshnі installation on the category: . . . . .

Budіvlі nalezhat to the category A, Yakscho them zadіyanі goryuchі Gazi LZR s temperature spalahuvannya to 28? C, and takozh takі scho zdatnі to vibuhu i gorіnnya at vzaєmodії s water, CHIN povіtrya abo one s one such kіlkostyah, scho shaping can utvoryuvati vibuhonebezpechnі parogazopovіtryanі sumіshі at zaymannі yakih rozvivaєtsya TISK vibuhu in primіschennі scho perevischuє 5kPa. Syudi vіdnosyatsya depos balonіv s stisnenim combustible gas, petrol depot, atsetilenovі stantsії, malyarnі shops that іn.

Prior to the category B vіdnosyatsya primіschennya de znahodyatsya combustible drank abo fiber LZR s spalahu Ponad temperature 28? C, goryuchі rіdini in takіy kіlkostі, scho shaping can abo utvoryuvati vibuhonebezpechnі pilopovіtryanі paropovіtryanі sіmіshі at zaymannі yakih vinikaє rozrahunkovy TISK vibuhu scho perevischuє 5kPa. Syudi nalezhat pump stantsіy, malyarnі shops rіdini de Je s temperature spalahu od 28 to 120? C (gas, naphtha, turpentine, tar that іn.).

Primіschennya, budіvlі nalezhat to the category B, Yakscho them Je goryuchі Ghazi, goryuchі i vazhkogoryuchі rіdini, tverdі goryuchі rechovini that materіali, zdatnі tіlki gorіti at vzaєmodії s water, CHIN povіtrya abo mіzh themselves, for minds, scho stink not nalezhat to the category A i B. Syudi nalezhat palivno-mastilnі warehouse, avtogarazhі, lіsopilnі, derevoobrobnі, smolopererobnі factories, warehouses of combustible materіalіv i t.іn.

Primіschennya i budіvlі nalezhat to the category D, Yakscho them znahodyatsya negoryuchі rechovini i materіali in garjachego, rozzharenomu that rozplavlenomu stanі s vidіlennyam promenistogo heat іskor, polum'ya and takozh goryuchі Ghazi, rіdini that tverdі rechovini, SSMSC spalyuyutsya utilіzuyutsya abo yak palivo (gazogeneratornі stantsії, kotelnі, livarnі, termіchnі shops, avtomobіlnі garazhі, depot іn i.).

Budіvlі nalezhat to the category D, Yakscho them znahodyatsya negoryuchі materіali in cold stanі. Syudi nalezhat OAO All budіvlі, Yakscho їh not vіdneseno to the category A, B, C, D (mehanoskladalnі Creek, shops holodnoї obrobki metals, kompresornі stantsії, depos metal music i t.іn.).

Budіvlі category of A i B Je vibuhopozhezhonebezpechnimi and the category B, C, D tіlki pozhezhonebezpechnimi.

Rozpodіl primіschen i budіvel for kategorіyami schodo vibuhopozhezhnoї i pozhezhnoї nebezpeki vrahovuєtsya on stadії proektuvannya for viznachennya vіdpovіdnogo stage їh vognestіykostі.

Kategorіya budіvel viznachaєtsya, vihodyachi s sumarnoї ploschі primіschen rіznih kategorіy, SSMSC znahodyatsya them. Budіvlі nalezhat to the category A, Yakscho sumarno Ploscha the category A in them perevischuє 5% zagalnogo ob'єmu budіvlі. Prior to the category B nalezhat primіschennya, if їh sumarno Ploscha primіschen category of A i B perevischuє 5% sumarnoї ploschі vsіh primіschen.

Budіvlі nalezhat to the category B, Yakscho sumarno Ploscha primіschen A, B, C, 5% perevischuє sumarnoї ploschі vsіh primіschen and primіschennya obladnuyutsya automaticity pozhezhogasіnnya settings.

Budіvlі the category D, Tse Ti, scho takozh toil sumarno Area primіschen the category A, B, C, D, scho perevischuє 5% sumarnoї ploschі vsіh primіschen.

Zovnіshnya installation - installation, pose rozmіschena primіschen (zzovnі budinkіv) just sky abo pid dahom chi for sіtchastimi zahisnimi konstruktsіyami.

Viznachennya kategorіy zovnіshnіh installations zdіysnyuyut Shlyakhov poslіdovnoї perevіrki їhnoї nalezhnostі to kategorіy od vischoї (A3) to nizhchoї (D3).

Installing vіdnositsya to the category A3, Yakscho in nіy znahodyatsya (obertayutsya) goryuchі Ghazi (SG); legkozaymistі rіdini s temperature spalahu not bіlshe 28 ° C; rechovini abo materіali, SSMSC zdatnі vibuhati i gorіti at vzaєmodії s water, CHIN povіtrya abo s one by one. Horizontal rozmіr Zoni, scho obmezhuє gazopovіtryanі sumіshі іz kontsentratsієyu goryuchoї rechovini vische nizhnoї kontsentratsіynoї mezhі poshirennya polum'ya (C ) Perevischuє DA m (Danian kriterіy zastosovuєtsya tіlki flammable gazіv parіv i) abo rozrahunkovy nadlishkovy clutches of razі zgoryannya gas, steam povіtryanoї sumіshі on vіdstanі 30 m od zovnіshnoї installation perevischuє 5 kPa.

Installing vіdnositsya to the category B3, Yakscho in nіy znahodyatsya (obertayutsya) goryuchі drank i / abo fiber; legkozaymistі rіdini s spalahu bіlshe temperature 28 ° C; goryuchі rіdini. Horizontal rozmіr Zoni, scho obmezhuє gazopovіtryanі sumіshі іz kontsentratsієyu goryuchoї rechovini vische nizhnoї kontsentratsіynoї mezhі poshirennya polum'ya (C ) Perevischuє DA m (Danian kriterіy zastosovuєtsya tіlki flammable gazіv parіv i) abo rozrahunkovy nadlishkovy clutches of razі zgoryannya gas, steam abo pilopovіtryanoї sumіshі on vіdstanі 30 m od zovnіshnoї installation perevischuє 5 kPa.

Installing vіdnositsya to the category B3, Yakscho in nіy znahodyatsya (obertayutsya) goryuchі Ghazi, legkozaymistі, goryuchі abo vazhkogoryuchі rіdini, goryuchі drank i fiber tverdі goryuchі abo vazhkogoryuchі rechovini i materіali and takozh rechovini, SSMSC zdatnі at vzaєmodії s water, CHIN povіtrya abo one h i one vibuhati gorіti abo tіlki gorіti for minds, scho not vіdnositsya setting up kategorіy abo A3 B3. Іntensivnіst heat vipromіnyuvannya od oseredku Pozhezhi on vіdstanі 30 m od zovnіshnoї installation perevischuє 4 kW-m2.

Installing vіdnositsya to the category G3, Yakscho in nіy znahodyatsya (obertayutsya) negoryuchі rechovini abo materіali in garjachego, rozpechenomu abo rozplavlenomu stanі, processes obrobki yakih suprovodzhuєtsya vidіlennyam promenistogo heat іskor abo polum'ya and takozh goryuchі Ghazi, rіdini abo tverdі rechovini, SSMSC spalyuyutsya abo utilіzuyutsya in palivo of Quality.

Installing vіdnositsya to the category D3, Yakscho not won vіdnositsya to kategorіy . . . .

Klasifіkatsіya primіschen the rules oblashtuvannya elektroustanovok

Zgіdno s Rules ulashtuvannya elektroustanovok (Buyeo) usі primіschennya podіlyayutsya on suhі, vologі, Especially sirі, zharkі, zapilenі, s hіmіchno Activity seredovischem, pozhezho- th vibuhonebezpechnimi rechovinami.

Rules klasifіkuyut Dvi groupies primіschen have yakih od elektrichnih Jerel zapalyuvannya mozhut vinikati zagoryannya, Pozhezhi th vibuhi. Tse - pozhezhonebezpechnі th vibuhobezpechnі. Before okremoї groupies vіdnosyatsya zovnіshnі installation s pozhezho- th vibuhonebezpechnimi rechovinami.

Pozhezhonebezpechnimi primіschennyami vvazhayutsya takі have yakih obertayutsya abo zberіgayutsya tverdі goryuchі rechovini th rіdini.

For stage pozhezhnoї nebezpeki zgіdno s Buyeo vkazanі primіschennya podіlyayutsya at Klas: P-I, P-II, P-IIa i II-III.

Claes P-I - tse primіschennya de Je goryuchі rіdini s temperature spalahu parіv Ponad 61 C (storage suit prosochuvannya Dereviny i іn.)?.

Klas II-II - tse primіschennya have yakih at tehnologіchnomu protsesі vidіlyaєtsya combustible drank abo fiber aerozolnomu stanі i nebezpeka obmezhuєtsya pozhezheyu without vibuhu (derevoobrobnі shops іn i.).

Claes P-IIa - tse primіschennya de goryuchі rechovini znahodyatsya in solid fibrous abo stanі without vidіlennya saw the first fibers (tkanini, Papir, Dereviny іn i.).

Klas II-III - rd zovnіshnі installation skhovischa combustible rіdin (s tc> 61?) I materіalіv solid fuel (vіdkritі depos mіneralnih suit, peat, vugіllya t.іn. i).

Vibuhonebezpechne seredovische - ob'єm have Money Does seredovische vnaslіdok natural virobnichih chinnikіv abo Mauger Why vibuhonebezpechnim.

Vibuhonebezpechna zone - Prostir in primіschennі abo Navkolo zovnіshnoї settings in Money Does prisutnє vibuhonebezpechne seredovische bo vono Mauger utvoryuvatisya vnaslіdok natural chi virobnichih chinnikіv in takіy kіlkostі, yak vimagaє spetsіalnih zahodіv in konstruktsії elektroobladnannya pid hour yogo installation that ekspluatatsії.

Gas paropovіtryanі vibuhonebezpechnі seredovischa utvoryuyut vibuhonebezpechnі Zoni klasіv 0, 1, 2, and pilopovіtryanі - vibuhonebezpechnі Zoni klasіv 20, 21, 22.

Vibuhonebezpechna area Klas 0 - Prostir have Money Does vibuhonebezpechne seredovische prisutnє postіyno abo protyagom trivalogo hour.

Vibuhonebezpechna area class 1 - Prostir have Money Does vibuhonebezpechne seredovische Mauger utvoritisya pid hour normalnoї robot (if installing pratsyuє vіdpovіdno to svoїh rozrahunkovih parametrіv).

Vibuhonebezpechna area class 2 - Prostir have Money Does vibuhonebezpechne seredovische of normal brain ekspluatatsії vіdsutnє and Yakscho vono vinikaє then rіdko i trivaє nedovgo. In Tsikh vipadkah mozhlivі avarії katastrofіchnih rozmіrіv (RPPOs truboprovodіv temple vise abo rezervuarіv znachnoї mіstkostі).

Frequency viniknennya i trivalіst vibuhonebezpechnogo gas paropovіtryanogo seredovischa viznachayut the rules (norms) vіdpovіdnih Galuzo promislovostі.

Vibuhonebezpechna area class 20 - Prostir have Money Does pid hour normalnoї ekspluatatsії vibuhonebezpechny drank from viglyadі Khmara prisutnіy postіyno abo often kіlkostі, dostatnіy for utvorennya nebezpechnoї kontsentratsії sumіshі s povіtryam. Got Zvichayno tse Location vseredinі obladnannya de saws Mauger formuvati vibuhonebezpechnі sumіshі Part I on trivaly termіn.

Vibuhonebezpechna area class 21 - Prostir have Money Does pid hour normalnoї ekspluatatsії ymovіrna saw appeared in viglyadі Khmara in kіlkostі, dostatnіy for utvorennya sumіshі s povіtryam vibuhonebezpechnoї kontsentratsії.

Vibuhonebezpechna area class 22 - Prostir have Money Does vibuhonebezpechny saws hung in stanі Mauger z'yavlyatisya not often th іsnuvati nedovgo abo Where Money Does shari vibuhonebezpechnogo saw mozhut іsnuvati th utvoryuvati vibuhonebezpechnі sumіshі in razі avarії.

Tsya area Mauger include Prostir nearby obladnannya scho utrimuє saws, yaky Mauger vivіlnyatisya Shlyakhov round i formuvati pilovі utvorennya.

First class rozmіri vibuhonebezpechnih zones for zovnіshnіh vibuhonebezpechnih installations povinnі priymatisya vіdpovіdno to standards that tehnologіchnogo proektuvannya Especially tehnologіchnih protsesіv i zatverdzhuvatisya the established procedure mend zgіdno s zakonodavstvom.

For vіdsutnostі obmezhen vіdomchih in regulatory documents for plants zovnіshnіh dopuskaєtsya priymati vibuhonebezpechnu zone class 2 in the furrows to:

- 0.5 m gorizontalі vertikalі i od i vіkonnih Closed-door prorіzіv;

- W m i gorizontalі vertikalі od Closed-tehnologіchnih aparatіv, zapovnenih combustible gases that LZR;

- 5 m gorizontalі i od vertikalі annexe for vikidu іz zapobіzhnih i dihalnih klapanіv єmnostey i tehnologіchnih aparatіv s abo LZR combustible gases;

- 20 m od gorizontalі i vertikalі Georeferencing vіdkritogo zlivu i pouring for estakad s vіdkritim zlivom i bulk LZR.

Bilja zovnіshnіh installations SSMSC vidіlyayut the atmosphere goryuchі Ghazi, a couple LZR pid hour normalnoї robot Got Location obmezhena vibuhonebezpechna area class 1 (napriklad, bilja naphtha sverdlovin, klapanіv, mіsts vіdkritogo zlivu i pouring LZR). For vіdsutnostі danih in vіdomchih normative documents zone class 1 dopuskaєtsya priymati in furrows not bіlshe 1 m od Georeferencing vikidu gazіv, betting LZR.

For mezhami vibuhonebezpechnoї Zoni class 1 bude, yak usually prisutnya vibuhonebezpechna area class 2.

Zoni bilja truboprovodіv combustible gazіv, not LZR Je vibuhonebezpechnimi vinyatkom zones for class 2 in the furrows of up to 3 m on gorizontalі vertikalі i od i zapіrnoї armatury Flange z'єdnan truboprovodіv.

Klas Zoni primіschennya, sumіzhnogo s vibuhonebezpechnoyu zonoyu іnshogo primіschennya

In vsіh vipadkah stіni i partitions mіzh primіschennyami povinnі Buti drunk-gazoneproniknimi and dverі - protipozhezhnimi i such scho vіdchinyayutsya in bіk Mensch nebezpechnoї Zoni that samі zachinyayutsya.