Matse iskar gas tsari ne na cinye makamashin waje don samar da makamashin da ke haifar da matsin lamba ga iskar gas, kuma matsewar ita ce mahaliccin iskar gas mai matsewa. Saboda haka, aikin asali na ƙarshen iskar matsewar iskar sikirin ba zai iya rabuwa da waɗannan fannoni huɗu ba: matsin lamba, kwarara, iko da takamaiman iko.
Ainihin aikin matsi na iska na sukurori - matsin lamba
Samun ƙarfin matsin lamba na iska mai matsewa shine mafi mahimmancin aikin na'urar sanyaya iska, kuma na'urar sanyaya iska ba banda ba. Ƙarfin iska na na'urar sanyaya iska yana ƙara matsin iska ta hanyar cinye makamashin waje. Yayin da matsin ya yi yawa, ana ƙara yawan kuzari, kuma buƙatun ƙarshen iska suna ƙaruwa. Yawanci muna raba na'urorin sanyaya iska zuwa rukuni huɗu bisa ga matsin fitarwa:
Ƙaramin matsin lamba: 0.2~1.0MPa Matsakaicin matsin lamba: 1.0~10MPa Babban matsin lamba: 10~100MPa Babban matsin lamba: sama da 100MPa
Matsewar iskar sukurori yawanci tana da matsin lamba na fitarwa na 0.2 ~ 4.0MPa, wanda ke nufin cewa aikinta, yuwuwarta da kuma tattalin arzikinta sun fi kyau a wannan fanni. Wannan yana faruwa ne ta hanyar tsari da yanayin aiki na ƙarshen iskar damfara, kuma shine ɓangaren matsin lamba mafi yawan buƙatun kasuwa.
Matsin iska mai matsewa da na'urar sanyaya iska ke bayarwa galibi ana auna shi ne ta hanyar rabon matsi, wanda shine rabon matsi na fitarwa Pd zuwa matsi na tsotsa Ps. Mafi girman rabo, mafi girman matsin fitarwa. ε= Tsarin Pd/Ps (6)
Ga babban injin na na'urar kwampreso ta iska, akwai rabon matsin lamba na ciki da rabon matsin lamba na waje.
Rabon matsin lamba na ciki: rabon matsin lamba a cikin girman haƙoran babban injin zuwa matsin tsotsa, wanda aka ƙayyade ta wurin da siffar tashoshin tsotsa da fitar da hayaki;
Rabon matsin lamba na waje: rabon matsin lamba a cikin bututun shaye-shaye zuwa matsin lamba na tsotsa. Matsin tsotsa da shaye-shaye da ake buƙata don yanayin aiki ko kwararar aiki.
Idan rabon matsin lamba na ciki ya kai ≠ rabon matsin lamba na waje, babban injin zai cinye ƙarin ƙarfi; idan rabon matsin lamba na ciki ya kai rabon matsin lamba na waje, babban injin yana cikin mafi kyawun yanayi.
Ga babban injin na na'urar kwampreso ta iska, lokacin da babban injin, zafin yanayi, matsin lamba na tsotsa, saurin injin da sauran abubuwa iri ɗaya ne, yawan matsin lamba na fitarwa, yawan amfani da wutar lantarki.
Ainihin aikin iska mai matse iska - kwararar iska
Yawanci kwararar ruwa tana ƙunshe da kwararar ruwa da yawa. A cikin ƙayyadaddun bayanai da ƙa'idodi na masana'antar tsarin matse iska, yawanci muna amfani da kwararar ruwa a matsayin hanyar auna kwarara, wanda kuma ake kira ƙarar shaye-shaye ko kwararar suna a ƙasata: a ƙarƙashin matsin lamba da ake buƙata na shaye-shaye, ƙarar iskar gas da na'urar kwampreso ta iska ke fitarwa a kowane lokaci ana canza ta zuwa yanayin shiga, wato, ƙimar ƙarar matsin lamba na tsotsa a bututun shan ruwa na mataki na farko da zafin tsotsa da danshi. Naúrar ita ce m3/min. Ana raba kwararar ruwa zuwa ainihin kwararar ruwa da kwararar ruwa ta yau da kullun.
Yawanci, samfura, zaɓaɓɓu, da kuma lambobin sunaye na injin suna amfani da daidaitaccen kwararar girma. Saboda masana'antu, yanki da amfani, matsakaicin kwararar girma a cikin buƙatar kasuwar iska mai matsewa yana da ma'anoni biyu dangane da bambancin yanayin daidaito (zafin jiki, matsin lamba da abubuwan da aka haɗa):
Matsayin da aka saba amfani da shi shine matsin lamba P=101.325KPa; yanayin zafin jiki na yau da kullun T=0℃; ɗanɗanon da ya dace shine 0%. Sau da yawa ana samunsa a cikin iskar gas ta masana'antu, masana'antar sinadarai ko takaddun tayin, wanda ake kira "murabba'i na yau da kullun", yawanci tare da alamar "VN" da kuma naúrar Nm3/min.
Matsayin da aka saba amfani da shi shine matsin lamba P = 101.325KPa; yanayin zafin jiki na yau da kullun T = 20℃; ɗanɗanon da ya dace shine 0%. Yawanci ana amfani da shi a cikin ma'aunin masana'antar iska mai matsewa kuma ana kiransa "yanayin aiki na yau da kullun". Alamar yawanci ita ce "V" kuma na'urar ita ce m3/min.
Yawanci, daidaitaccen ƙimar kwararar girma da ake amfani da shi a masana'antar matse iskarmu shine na ƙarshe. Ana iya ƙididdige canjin ƙimar kwararar girma a ƙarƙashin yanayi biyu ta hanyar dabarar:
V(m3/min)=1.0732VN(Nm3/min) Formula (7)
Ga babban injin na na'urar kwampreso ta iska, a ƙarƙashin sauran yanayi iri ɗaya, girman nisan tsakiyar na'urar rotor, girman yawan kwararar sa; mafi girman saurin babban injin, mafi girman yawan kwararar sa.
VV Yawan kwararar ruwa = qv babban ƙarar matsi na injin × n saurin kai Tsarawa (8)
qv=CΨqv0Z1n=CΨCn1nλD3 Tsarin (9)
Inda Z1——adadin haƙoran rotor na namiji; n——gudun rotor na namiji; λ——rabobin yanayin rotor; D——diamita na waje na rotor na namiji.
Saboda haka, don kare tattalin arziki, yawanci muna rage nau'ikan manyan injuna kuma muna iya daidaita yawan fitar da iska ta hanyar tantance saurin babban injin don biyan buƙatun kasuwa.
Duk da haka, saurin injin mai kunna sikirin ba zai iya zama mai yawa ba, yawanci tsakanin 800 zuwa 10,000 rpm. Saboda haka, kamfanin kera injin mai kunna sikirin yana haɓaka manyan injuna tare da kewayon kwararar girma daban-daban don biyan buƙatun kwararar sikirin.
Dangane da nau'ikan kwararar iska daban-daban, compressors na iska za a iya raba su zuwa:
Micro compressor<1m3>10～<100 m3min; large compressor ≥100 min
Babban injin damfara iska mai sukurori ya dace da injin guda ɗaya tare da 1~100 m3/min, wanda shine mafi aminci da araha, kuma shine babban samfurin a kasuwar damfara iska.
Yayin da matsin lamba ya yi yawa, haka yawan amfani da wutar lantarki na babban injin yake ƙaruwa; yayin da yawan kwararar wutar lantarki ke ƙaruwa, haka yawan amfani da wutar lantarki na babban injin yake ƙaruwa.
Ƙaramin ƙimar ƙarfin babban injin na na'urar kwampreso iska, haka nan rage yawan amfani da makamashinsa da kuma ingancin babban injin. A ƙarƙashin yanayin kwararar ruwa akai-akai, yawan matsin fitarwa, yawan ƙarfin shaft na babban injin, don haka ƙimar ƙarfinsa ta musamman.
Kowace babbar injin matse iska ta sukurori tana da ƙimar ƙarfi ta musamman, wadda ke da alaƙa da saurin babban injin. Lokacin da saurin babban injin ya yi ƙasa sosai, zubewar ruwa tana ƙaruwa, ƙarar iskar gas tana raguwa, kuma ƙimar wutar lantarki ta musamman tana ƙaruwa; lokacin da saurin babban injin ya yi yawa, gogayya tana ƙaruwa, ƙarfin shaft yana ƙaruwa, kuma ƙimar wutar lantarki ta musamman tana ƙaruwa. Amma dole ne a sami ingantaccen gudu wanda ke sa ƙimar wutar lantarki ta musamman ta zama mafi ƙaranci. Shi ya sa ba lallai ba ne a ce babban injin ya fi girma, haka ma yawan tanadin makamashi yake ƙaruwa.
Lokacin da muke tsara na'urorin matsa iska na sukurori da na'urorin matsa iska masu canzawa, yayin da muke tabbatar da inganci, dole ne mu kuma yi la'akari da tattalin arziki, daidaito da kuma yanayin babban injin. Saboda haka, za mu yi amfani da lanƙwasa ƙimar ƙarfin injin musamman don tsara da haɓaka na'urorin matsa iska na sukurori masu matsin lamba da kwarara daban-daban.
Lokacin Saƙo: Satumba-11-2024
