Compressors wani sashe ne na kusan kowace masana'anta. Wanda aka fi sani da zuciyar kowane tsarin iska ko iskar gas, waɗannan kadarorin suna buƙatar kulawa ta musamman, musamman ma mai. Don fahimtar mahimmancin rawar da lubrication ke takawa a cikin compressors, dole ne ku fara fahimtar aikin su da kuma tasirin tsarin akan mai mai, wanda za a zaɓa da abin da ya kamata a yi gwajin binciken mai.
● Nau'in Compressor da Ayyuka
Akwai nau'ikan compressor daban-daban da yawa, amma aikinsu na farko kusan koyaushe iri ɗaya ne. An ƙera na'urorin damfara don ƙara matsa lamba na iskar gas ta hanyar rage girmansa gaba ɗaya. A cikin sauƙaƙan kalmomi, mutum na iya tunanin kwampreso a matsayin famfo mai kama da gas. Aiki guda ɗaya ne, babban bambanci shine cewa compressor yana rage girma kuma yana motsa iskar gas ta hanyar tsarin, yayin da famfo kawai yana dannawa da jigilar ruwa ta hanyar tsarin.
Ana iya raba na'ura mai kwakwalwa zuwa nau'i biyu na gaba ɗaya: ƙaura mai kyau da ƙarfi. Rotary, diaphragm da compressors masu jujjuyawa sun faɗi ƙarƙashin ingantacciyar rarrabuwar ƙaura. Rotary compressors suna aiki ta hanyar tilasta iskar gas zuwa ƙananan wurare ta hanyar sukurori, lobes ko vanes, yayin da kwampressor diaphragm ke aiki ta hanyar damfara gas ta hanyar motsi na membrane. Kwamfutoci masu jujjuyawar suna damfara iskar gas ta fistan ko jerin pistons da crankshaft ke motsawa.
Centrifugal, gauraye-gudanar ruwa da compressors axial suna cikin nau'i mai ƙarfi. Kwampressor na centrifugal yana aiki ta hanyar damfara iskar gas ta amfani da faifai mai jujjuya a cikin gida da aka kafa. Compressor mai hade-haɗe yana aiki kama da na'urar kwampreso na centrifugal amma yana tafiyar da gudana axially maimakon radially. Axial compressors suna haifar da matsawa ta hanyar jigilar iska.
● Tasiri akan Man shafawa
Kafin zaɓin mai mai kwampreso, ɗaya daga cikin mahimman abubuwan da za a yi la'akari da shi shine nau'in nau'in nau'in mai za a iya jurewa yayin aiki. Yawanci, matsalolin mai a cikin compressors sun haɗa da danshi, matsananciyar zafi, matsewar iskar gas da iska, barbashi na ƙarfe, narkewar iskar gas, da filaye masu zafi.
Ka tuna cewa lokacin da aka matsa iskar gas, zai iya haifar da mummunar tasiri akan mai mai kuma ya haifar da raguwa mai mahimmanci a cikin danko tare da evaporation, oxidation, ajiyar carbon da condensation daga tarin danshi.
Da zarar kun san mahimman abubuwan damuwa waɗanda za a iya gabatar da su ga mai mai, zaku iya amfani da wannan bayanin don taƙaita zaɓinku don ingantaccen mai mai kwampreso. Halayen mai mai ɗan takara mai ƙarfi zai haɗa da kwanciyar hankali mai kyau na iskar shaka, rigakafin sawa da ƙari masu hana lalata, da kaddarorin lalata. Hannun tushe na roba kuma na iya yin aiki mafi kyau a cikin kewayon zafin jiki mai faɗi.
● Zaɓin mai mai
Tabbatar kana da mai mai da kyau zai zama mahimmanci ga lafiyar kwampreso. Mataki na farko shine yin la'akari da shawarwari daga masana'antun kayan aiki na asali (OEM). Danko mai mai kwampreso da abubuwan da ake shafawa na ciki na iya bambanta sosai dangane da nau'in kwampreso. Shawarwari na masana'anta na iya samar da kyakkyawan wurin farawa.
Na gaba, la'akari da gas ɗin da ake matsawa, saboda yana iya tasiri sosai ga mai mai. Matsawar iska na iya haifar da al'amura tare da haɓakar yanayin mai. Gas na hydrogencarbon yakan narkar da man shafawa kuma, bi da bi, sannu a hankali rage danko.
Gas marasa amfani da sinadarai irin su carbon dioxide da ammonia na iya amsawa tare da mai mai kuma rage danko tare da haifar da sabulu a cikin tsarin. Gas masu aiki da sinadarai kamar oxygen, chlorine, sulfur dioxide da hydrogen sulfide na iya samar da ma'ajin ajiya ko kuma su zama masu lalacewa sosai lokacin da danshi mai yawa ke cikin mai.
Hakanan ya kamata ku yi la'akari da yanayin da aka yiwa kwampreso mai mai. Wannan na iya haɗawa da yanayin zafi, zafin aiki, kewaye da gurɓataccen iska, ko damfara a ciki da rufe ko a waje da kuma fallasa ga rashin kyawun yanayi, da kuma masana'antar da ake aiki da ita.
Kwamfutoci akai-akai suna amfani da man shafawa na roba bisa shawarar OEM. Masu ƙera kayan aiki galibi suna buƙatar amfani da alamar man shafawa a matsayin sharadi na garanti. A waɗannan lokuta, kuna iya jira har sai bayan lokacin garanti ya ƙare don yin canjin mai.
Idan aikace-aikacenku a halin yanzu yana amfani da man shafawa na tushen ma'adinai, canzawa zuwa kayan aikin roba dole ne ya zama barata, saboda wannan sau da yawa zai fi tsada. Tabbas, idan rahotannin binciken mai na ku suna nuna takamaiman damuwa, mai mai na roba na iya zama zaɓi mai kyau. Duk da haka, tabbatar cewa ba kawai magance alamun matsala ba amma a maimakon magance tushen tushen tsarin.
Wadanne man shafawa na roba ne suka fi ma'ana a aikace-aikacen compressor? Yawanci, ana amfani da polyalkylene glycols (PAGs), polyalphaolefins (POAs), wasu diesters da polyolesters. Wanne daga cikin waɗannan synthetics don zaɓar zai dogara ne akan mai da kuke canzawa da kuma aikace-aikacen.
Yana nuna juriya da iskar shaka da kuma tsawon rai, polyalphaolefins gabaɗaya shine maye gurbin da ya dace da mai. Polyalkylene glycols mara-ruwa ba mai narkewa ba yana ba da kyawawa mai kyau don taimakawa kiyaye kwampreso mai tsabta. Wasu esters suna da mafi kyawun solubility fiye da PAGs amma suna iya gwagwarmaya tare da danshi mai yawa a cikin tsarin.
Lamba | Siga | Daidaitaccen Hanyar Gwaji | Raka'a | Na suna | Tsanaki | Mahimmanci |
Binciken Kayayyakin mai mai | ||||||
1 | Dankowa &@40℃ | Farashin ASTM0445 | cSt | Sabon mai | Na ƙima +5%/-5% | Na-ƙira +10%/-10% |
2 | Lambar Acid | ASTM D664 ko ASTM D974 | mgKOH/g | Sabon mai | Matsayin juzu'i +0.2 | Matsayin juzu'i +1.0 |
3 | Abubuwan Daɗaɗawa: Ba, B, Ca, Mg, Mo, P, Zn | Saukewa: ASTM D518S | ppm | Sabon mai | Na ƙima +/- 10% | Na ƙima +/-25% |
4 | Oxidation | ASTM E2412 FTIR | Abun ciki / 0.1 mm | Sabon mai | Bisa kididdigar da aka yi amfani da shi azaman kayan aikin tantancewa | |
5 | Nitration | ASTM E2412 FTIR | Abun ciki / 0.1 mm | Sabon mai | A kididdiga ba$ed da u$ed a$ a scceenintf kayan aiki | |
6 | Antioxidant RUL | Saukewa: ASTMD6810 | kashi dari | Sabon mai | Na-sani -50% | Na-sani -80% |
Varnish Mai yuwuwar Membrane Patch Colorimetry | Saukewa: ASTM D7843 | 1-100 (1 shine mafi kyau) | <20 | 35 | 50 | |
Binciken gurɓataccen mai | ||||||
7 | Bayyanar | Saukewa: ASTM D4176 | Subjective gani dubawa ga free ruwa da paniculate | |||
8 | Matsayin danshi | ASTM E2412 FTIR | kashi dari | manufa | 0.03 | 0.2 |
Crackle | Mai hankali zuwa 0.05% kuma ana amfani dashi azaman kayan aikin nunawa | |||||
Banda | Matsayin danshi | ASTM 06304 Karl Fischer | ppm | manufa | 300 | 2.000 |
9 | Ƙididdiga Barbashi | ISO 4406:99 | ISO Code | manufa | Target +1 lambar kewayon | Target +3 lambobi |
Banda | Gwajin Faci | Hanyoyin Mallaka | Ana amfani da shi don tabbatar da tarkace ta gwajin gani | |||
10 | Abubuwan gurɓatawa: Si, Ca, Me, AJ, da sauransu. | Saukewa: ASTM DS185 | ppm | <5* | 6-20* | >20* |
*Ya dogara da gurɓatacce, aikace-aikace da muhalli | ||||||
Binciken tarkacen ɓangarorin mai mai mai (Lura: karatun da ba na al'ada ya kamata a bi shi ta hanyar tantancewa) | ||||||
11 | Saka Abubuwan tarkace: Fe, Cu, Cr, Ai, Pb. Ni, Sn | Saukewa: ASTM D518S | ppm | Matsakaicin Tarihi | Suna + SD | Sunan +2 SD |
Banda | Girman ƙarfe | Hanyoyin Mallaka | Hanyoyin Mallaka | Matsakaicin Hirtoric | Sunan + S0 | Sunan +2 SD |
Banda | Farashin PQ | PQ90 | Fihirisa | Matsakaicin Tarihi | Suna + SD | Sunan +2 SD |
Misali na gwajin gwajin mai da iyakoki na ƙararrawa don compressors na centrifugal.
● Gwajin Binciken Mai
Ana iya yin gwaje-gwaje da yawa akan samfurin mai, don haka yana da mahimmanci a kasance mai mahimmanci yayin zabar waɗannan gwaje-gwajen da mitocin samfur. Gwajin ya kamata ya ƙunshi nau'ikan binciken mai na farko guda uku: kayan aikin mai, kasancewar gurɓatattun abubuwa a cikin tsarin mai da duk wani tarkacen lalacewa daga injin.
Dangane da nau'in kwampreso, ana iya samun gyare-gyare kaɗan a cikin slate ɗin gwaji, amma gabaɗaya ya zama ruwan dare don ganin danko, bincike na asali, Fourier transform infrared (FTIR) spectroscopy, lambar acid, yuwuwar varnish, gwajin iskar oxygenation mai juyawa (RPVOT) ) da gwaje-gwajen lalata da aka ba da shawarar don tantance kaddarorin ruwan mai mai.
Gwajin gurɓataccen ruwa don compressors wataƙila zai haɗa da bayyanar, FTIR da bincike na farko, yayin da gwajin yau da kullun na yau da kullun daga ma'aunin tarkace zai zama bincike na farko. Misali na gwajin gwajin mai da iyakokin ƙararrawa don kwampressors na centrifugal an nuna a sama.
Saboda wasu gwaje-gwaje na iya tantance damuwa da yawa, wasu za su bayyana a cikin nau'i daban-daban. Misali, bincike na farko na iya kama ƙimar raguwar ƙara daga yanayin mallakar ruwa, yayin da ɓangarorin ɓangarori daga binciken tarkace ko FTIR na iya gano iskar oxygen ko danshi azaman gurɓataccen ruwa.
Yawancin lokaci ana saita iyakokin ƙararrawa azaman gazawa ta dakin gwaje-gwaje, kuma yawancin tsire-tsire ba sa tambayar cancantarsu. Ya kamata ku sake dubawa kuma ku tabbatar da cewa an ayyana waɗannan iyakokin don dacewa da manufofin amincin ku. Yayin da kuke haɓaka shirin ku, ƙila kuna so kuyi la'akari da canza iyaka. Yawancin lokaci, iyakokin ƙararrawa suna farawa kaɗan kaɗan kuma suna canzawa akan lokaci saboda ƙarin maƙasudin tsafta, tacewa da sarrafa gurɓatawa.
● Fahimtar Lubrication na Compressor
Game da lubrication su, compressors na iya zama da ɗan rikitarwa. Mafi kyawun ku da ƙungiyar ku fahimtar aikin kwampreso, tasirin tsarin akan mai mai, wanda ya kamata a zaɓi mai mai da abin da ya kamata a gudanar da gwajin binciken mai, mafi kyawun damar ku na kiyayewa da haɓaka lafiyar kayan aikin ku.
Lokacin aikawa: Nuwamba 16-2021