Ka'idoji na asali"BPCS"
Tsarin sarrafawa na asali: Yana amsawa ga siginar shigarwa daga tsari, kayan aiki masu alaka da tsarin, sauran tsarin shirye-shirye, da / ko mai aiki, da kuma samar da tsarin da ke sa tsarin aiki da kayan aiki masu alaka da tsarin aiki kamar yadda ake bukata, amma ba ya yin duk wani aikin aminci na kayan aiki tare da SIL≥1 da aka ayyana. (Tsarin: GB/T 21109.1-2007 (IEC 61511-1: 2003, IDT) Amintaccen aiki na tsarin kayan aikin aminci a cikin masana'antar sarrafawa - Sashe na 1: Tsarin, ma'anoni, tsarin, hardware da buƙatun software 3.3.2)
Tsarin Gudanar da Tsarin Asali: Amsa ga siginar shigarwa daga ma'aunin tsari da sauran kayan aiki masu alaƙa, wasu kayan aiki, tsarin sarrafawa, ko masu aiki. Bisa ga ka'idar sarrafa tsari, algorithm da hanya, ana samar da siginar fitarwa don gane aikin sarrafa tsari da kayan aiki masu alaƙa. A cikin tsire-tsire ko tsire-tsire na petrochemical, tsarin kulawa na asali yakan yi amfani da tsarin sarrafa rarraba (DCS). Tsarin kulawa na asali bai kamata ya yi ayyukan kayan aikin aminci don SIL1, SIL2, SIL3 ba. (Tsarin: GB/T 50770-2013 Code for design petrochemical aminci equipmented systems 2.1.19)
『SIS』
Tsarin kayan aiki na aminci: Tsarin kayan aiki da aka yi amfani da shi don aiwatar da ayyukan aminci na kayan aiki ɗaya ko da yawa. SIS na iya ƙunsar kowane haɗin firikwensin, mai warware dabaru, da kashi na ƙarshe.
Ayyukan aminci na kayan aiki; SIF yana da takamaiman SIL don cimma ayyukan aminci na aminci na aiki, wanda zai iya zama duka aikin kariyar kayan aiki da aikin sarrafa kayan aiki.
Matsayin amincin aminci; Ana amfani da SIL don ƙididdige matakan ƙima (ɗayan matakan 4) don amincin amincin buƙatun ayyukan amincin kayan aikin da aka ba da tsarin kayan aikin aminci. SIL4 shine mafi girman matakin amincin aminci kuma SIL1 shine mafi ƙasƙanci.
(Tsarin: GB/T 21109.1-2007 (IEC 61511-1: 2003, IDT) Amintaccen aiki na tsarin kayan aikin aminci don masana'antar sarrafawa Sashe na 1: Tsarin, ma'anoni, tsarin, hardware da buƙatun software 3.2.72/3.2.71/3.2.74)
Tsarin kayan aiki na aminci: Tsarin kayan aiki wanda ke aiwatar da ayyuka ɗaya ko fiye da aminci kayan aikin. (Tsarin: GB/T 50770-2013 Code for design petrochemical aminci equipmented systems 2.1.1);
Bambanci tsakanin BPCS da SIS
Safety instrumented tsarin (SIS) mai zaman kanta da tsarin kula da tsarin BPCS (kamar rarraba kula da tsarin DCS, da dai sauransu), samar ne kullum dormant ko a tsaye, da zarar samar da na'urar ko makaman na iya haifar da aminci hatsarori, na iya zama nan take m mataki, sabõda haka, samar da tsari a amince daina gudu ko ta atomatik shigo da wani predetermined aminci jihar, dole ne a sami high AMINCI (wato, da aminci gubar management kasa). manyan haɗari na aminci. (Tsarin: Babban Gudanar da Kula da Tsaro na Lamba 3 (2014) No. 116, Jagoran Ra'ayoyin Hukumar Kula da Tsaro ta Jiha akan Ƙarfafa Gudanar da Tsarin Kayayyakin Kayayyakin Sinadarai)
Ma'anar 'yancin kai na SIS daga BPCS: Idan aiki na al'ada na madauki na BPCS ya dace da buƙatun masu zuwa, ana iya amfani da shi azaman mai kariya mai zaman kanta, madaidaicin madaidaicin BPCS ya kamata a rabu da jiki daga tsarin aminci kayan aiki (SIS) aikin madauki SIF, ciki har da firikwensin, mai sarrafawa da kashi na ƙarshe.
Bambanci tsakanin BPCS da SIS:
Ayyukan manufa daban-daban: aikin samarwa / aikin aminci;
Jihohin aiki daban-daban: kulawar lokaci na ainihi / ƙayyadaddun lokaci mai iyaka;
Bukatun aminci daban-daban: SIS yana buƙatar babban abin dogaro;
Hanyoyi daban-daban na sarrafawa: ci gaba da sarrafawa a matsayin babban / kulawar tunani a matsayin babban iko;
Hanyoyi daban-daban na amfani da kiyayewa: SIS ya fi ƙarfi;
BPCS da SIS haɗin gwiwa
Ko BPCS da SIS na iya raba abubuwan da aka gyara ana iya la'akari da su kuma ana iya tantance su daga abubuwa uku masu zuwa:
Abubuwan buƙatu da tanadi na ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun buƙatun, buƙatun aminci, hanyoyin IPL, ƙimar SIL;
Ƙimar tattalin arziƙi (idan har an cika buƙatun aminci na asali), misali, ALARP (ƙananan yadda ake iya aiwatarwa) bincike;
An ƙaddara manajoji ko injiniyoyi bisa gogewa da son rai.
Ko ta yaya, ana buƙatar mafi ƙarancin buƙatun don biyan buƙatun ƙa'idodi da ƙa'idodi.
Lokacin aikawa: Satumba-09-2023