Labaran Fasaha｜Tsarin Zaɓin Mai sanyaya Mai Masana'antu - Aiki - Kulawa

01 Hanyar Zaɓi

Hanyar 1:
Yi ƙididdige ƙimar calorific ta bambancin zafin jiki tsakanin mashigai da wurin mai sanyaya:

Q = SH × De × F × DT / 60
Q: Ƙimar calorific KW (bayanin kula: ƙimar calorific na mai sanyaya mai 1P kusan 2.5KW)
SH: takamaiman zafi Na musamman zafin mai shine 1.97kJ/Kg * ℃
De: ƙayyadaddun nauyi Na musamman na mai shine 0.88Kg/L
F: Gudun LPM (L/min)
DT: bambancin zafin jiki tsakanin mashiga da fitarwa na mai sanyaya (mafi yawan zafin jiki - zazzabi mai shiga)
Lura: "/ 60" ana amfani dashi don canza yawan kwarara daga lita / minti zuwa lita / na biyu;1kW = 1kJ/s;
Q = 1.97× 0.88×15×(26-18) /60 (dakika) = 2.6KW
Lokacin zabar ƙarfin sanyaya na mai sanyaya mai, ana iya ƙara shi daidai da 20% -50%
 
Hanyar 2:
Ƙididdiga ta ƙarfi da ƙimar kalori na kayan aiki:

a.Idan ana amfani da shi don sanyaya babban shinge, za'a iya ƙididdige ƙarfin sanyaya na sashin firiji da ake buƙata bisa 30% na ƙarfin babban motar motar.Misali: 15kw motor, 4.5kw ko 5.8kw sanyaya iya aiki refrigeration na tilas ne;
b.P zafi = 1.2 × (p motor × n) × 1.16
p Ƙarfin mota (duk ikon motar tashar hydraulic)
n makamashi hasara factor

Zaɓin ikon da aka lissafta a sama ya fi 20% -50%
 
Hanyar 3:
Yi lissafin ƙimar calorific ta yanayin zafin tankin mai:

Q = SH × De × V × DT / 60
Q: Ƙimar calorific KW
SH: takamaiman zafin mai shine 1.97KJ/Kg * C (1.97 kilojoules/kg * digiri Celsius)
Matsakaicin nauyi na mai 0.88Kg/L (0.88 kg/L)
V: iyawar mai / ruwa L (lita) ya haɗa da jimlar yawan ruwa a cikin tankin mai da bututun mai
DT: Matsakaicin hauhawar zafin jiki a cikin minti daya
Lura: “/ 60″ ana amfani dashi don canza yanayin zafi daga Celsius/minti zuwa Celsius/dakika;1kW = 1kJ/s;
Lura: Lokacin aunawa, zafin tankin mai ya kamata ya zama ƙasa kaɗan fiye da yanayin yanayi;kuma kayan aiki yakamata suyi aiki a ƙarƙashin matsakaicin nauyi.
Misali: 1 ƙarar tankin mai 3000L matsakaicin zafin ruwa ko zafin mai 0.6 digiri a minti ɗaya ƙimar calorific Q = 1.97 × 0.88 × 3000 × 0.6 / 60 = 52KW
 
Ƙarin bayanin kula: Lokacin zabar ƙarfin sanyaya na mai sanyaya mai, ana iya zaɓar shi ta hanyar haɓaka ƙarfin sanyaya daidai da 20% -50%;

1. Ƙarfin sanyi na mai sanyaya mai ya bambanta tare da yanayin zafi da zafin jiki na ruwa;
2. Ainihin ƙimar dumama kayan aiki kuma za ta canza saboda daban-daban workpieces, molds, sigogi, da dai sauransu.;
3. Bayan amfani da na'urar sanyaya mai, zafin jiki yana raguwa, kuma yanayin zafin jiki na haɗin bututun, tankunan ruwa, tankunan mai, gyare-gyare, ƙwanƙwasa, da kayan aiki za su kasance ƙasa da yanayin zafin jiki, don haka za a sha zafi kuma nauyin zai ƙaru. ;
4. A yawancin lokuta a cikin ainihin aikace-aikacen sanyaya masana'antu, ba shi yiwuwa a yi amfani da hanyoyin da ke sama daidai don yin lissafi.A wannan lokacin, ana iya ƙididdige shi kawai ta hanyar ingantaccen bayanai da kwatankwacin kayan aiki iri ɗaya.
5. Za a iya samun ɓata lokaci a kowace hanyar ƙididdiga, ta yadda ainihin zaɓi na raka'a na firiji ya yi yawa ko kuma ƙananan, don haka hanyar da ke sama kawai don tunani;

02amfani aiki

Umarnin Gudanar da Injin Aiki:

Home page:
Bayan an gama kirgawa, za ta shigar da babbar manhajar kwamfuta, wadda ake nunawa kamar haka:

Ashafi:
Lokacin da naúrar ta gaza, saurin saurin ƙararrawa shine kamar haka:

Saurin gyara yanayin yanayin da aka saita:
Idan an saita ma'aunin mai amfani [Lock Temperature] zuwa "A'a", za'a iya canza yanayin zafin jiki kai tsaye a cikin babban dubawa, aikin shine kamar haka:

Lura: Hakanan ana iya canza yanayin zafin da aka saita a cikin sigogin mai amfani.

Lokacin da kuskure ya faru, ƙirar ƙararrawa za ta tashi ta atomatik.Tambayar kuskure da sake saitin ayyukan sune kamar haka:

03Kulawa

Don kiyaye ingantaccen aiki na sashin sanyaya mai da kuma tsawaita rayuwar sa, ya kamata a aiwatar da aikin kulawa da kulawa na yau da kullun.Duk wani kulawa da kulawa dole ne a gudanar da shi a ƙarƙashin yanayin gazawar wutar lantarki, kuma ya kamata ya kasance 1-2 hours bayan naúrar ta daina aiki.

1. Kunna mai sanyaya.Daga watan Maris zuwa Nuwamba na kowace shekara, ana bukatar ma’aikacin ya kunna na’urar sanyaya mai a kan lokaci domin tabbatar da yadda na’urar ke aiki yadda ya kamata, kuma an kayyade cewa sai an kunna na’urar sanyaya mai a duk lokacin da aka fara aiki.
2. Duban mai sanyaya.An saita mai sanyaya mai zuwa takamaiman ƙimar yanayin sanyi.Lokacin aiki da kayan aiki, mai aiki yana buƙatar kula da ƙimar da aka nuna na zafin mai.Lokacin da yawan zafin jiki ya fi girma fiye da ƙimar da aka saita na dogon lokaci, wajibi ne a ba da rahoton halin da ake ciki don kiyayewa a cikin lokaci.
3. Tsaftace tankin mai.Tshi mai sanyaya mai yana aiki kusan watanni 3-5, kuma ana tace mai a cikin tankin mai.Hakanan tsaftace kasan tankin mai gaba daya.Domin hana man dattin dattin da zai iya toshe tashar da ke tsotson mai na injin sanyaya mai, sanyin ba ya da kyau, babu mai ya shiga famfon mai na injin sanyaya mai, ya lalata famfon mai na injin sanyaya, sannan ya daskare. evaporator na mai sanyaya.
4. Tsaftace tace iska.Tsaftace matatar iska kowane mako biyu (ko aƙalla sau ɗaya a mako a cikin yanayi mara kyau).Lokacin tsaftacewa, cire tacewa tukuna, kuma cire kura tare da injin tsabtace iska ko bindigar feshin iska.Lokacin da datti ya yi tsanani, yi amfani da ruwan dumi da ruwan wanka mai tsaka-tsaki tare da zafin jiki wanda bai wuce 40 ° C ba don tsaftace tace iska.Bayan tsaftacewa, ya kamata a bushe shi ta iska, sannan a mayar da shi zuwa wurin asali.
5. Duba akai-akai.Dangane da tsaftar mai, a kai a kai a rika bincika tare da tsaftace tacewar mai ko maye gurbin tacewa don hana datti daga toshewa.
6. Tsaftace saman naúrar.Lokacin da saman naúrar ya ƙazantu, yi amfani da wanka mai tsaka-tsaki ko ruwan sabulu mai inganci don goge shi da yadi mai laushi.Yi hankali kada a yi amfani da man fetur, kaushi acid, abrasive foda, karfe goga da sandpaper, da dai sauransu, don hana lalacewa ga fesa saman.
7. Duba kafin sake amfani.Bayan sake amfani da dogon lokaci ko amfani na dogon lokaci, duba ko turɓaya da ƙazanta sun toshe mai musayar zafi na mai sanyaya mai.Ya kamata a tsaftace saman da busassun iska mai matsewa, injin tsabtace ruwa ko goga mai laushi idan ya cancanta.Yi hankali kada ku lalata filaye masu musayar zafi yayin yin wannan aikin.

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