Dicting: Tsarin amfani da ƙarancin zafin da aka samo ta sanyaye don kwantar da samfurin daga al'ada na al'ada sannan kuma daskarewa shi.
Tsarin aiki: Tsarin aiki na samun ƙarancin zafin jiki na zazzabi ta amfani da canjin yanayin jiki na firiji ta hanyar yin sanyi.
Nau'in kayan aikin firiji: samar da tushen sanyi (kayan sanyaya), daskarewa kayan aiki, sanyaya.
Hanyar firiji: nau'in piston, nau'in dunƙule, na centrifugal na girke girke, naúrar jet mai sanyaya shi naúrar ruwa da nitrogen mai ruwa.
Direban daskarewa: Air-sanyaya, nutsarwa da firiji ta hanyar bututun ƙarfe, na kayan sauya kayan aikin canja wuri.
Aikace-aikacen:
1. Daskararre, sanyaya da daskararre kai na abinci.
2. Sanyaya, sanyaya, ajiyar kayan iska da jigilar kayayyakin noma da abinci.
3. Gudanar da abinci, kamar daskarewa bushe, daskarewa taro da sanyaya kayan sanyi.
4. Aikin iska a cikin tsire-tsire na sarrafa abinci.
Oficci na sake zagayowar girke girke
Babban na'urori: roman damfara, mai ɗaukar hoto, bawul na fadadawa, mai ruwa.
Tsarin sake zagayowar girke-girke na girke-girke: mai sanyaya yana shan zafi kuma ya kai tafasa mai ruwa da ƙarancin ruwa, sannan kuma ya shayar da ruwa mai ƙarancin ruwa, sannan kuma ya bushe a cikin ƙarancin zafin jiki da tururi mai rauni. A cikin gas mai sanyaya shi cikin gas ya zama babban zazzabi da kuma matsi mai tsayi a karkashin aikin mai ɗorewa, da kuma babban matsin lamba a cikin babban matsin lamba. Bayan fadada bawul, ya zama mai ƙarancin ruwa mai ƙarancin ruwa, kuma yana shan zafi da kuma shayar da zafi kuma ya sake yin amfani da sake zagayowar firiji.
Hakikanin tunani da ka'idojin
Ikon girke-girke: A karkashin wasu yanayi na yawan aiki (wato, yanayin zazzabi na girke-girke, yawan zafin jiki), yawan zafin da firiji ya fitar daga abu mai sanyi a kowane lokaci naúrar. Hakanan ana kiranta da ƙarfin sanyaya sanyaya. A karkashin yanayi guda, ƙarfin sanyaya sanyaya iri ɗaya yana da alaƙa da girman, saurin da kuma ƙarfin na damfara.
Tafiya kai tsaye: A cikin sake zagayowar firiji, idan mai sanyaya yana musayar zafi, mai musayar wuta kai tsaye yana musayar wuta tare da abin da za a sanyaya shi ko kuma yanayin da za a sanyaya shi. An yi amfani da shi sosai a cikin kayan sanyaya guda ɗaya waɗanda ke buƙatar sanyaya masana'antu, kamar ice cream daskarewa, ƙananan kayan abinci da firiji da firist.
Rerarigerant: abu mai aiki wanda ya ci gaba da kewaya a cikin na'urar sanyaya don cimma dom burodi. Na'urar girke mai girke-girke na Vapor Dalilin ya fahimci canja wurin zafi ta hanyar canjin jihar. Rerriger-kayan abu ne mai mahimmanci don fahimtar kayan sanyaya na wucin gadi.
Anyi amfani da kayan kwalliya
Abubuwan da aka saba yi amfani da su na yau da kullun: Air, ruwa, brine da maganin ruwa.
Ka'idojin Zabi: Lowyarancin daskarewa, babban takamaiman ikon zafi, babu baƙin ƙarfe, kwanciyar hankali da kwanciyar hankali da sauƙi. yanayin.
Kodayake iska a matsayin firiji yana da fa'idodi da yawa, ana amfani dashi a cikin tsari mai kyau da kuma daskarewa canja wurin saiti da talauci canja wurin zafi da yanayin ƙasa.
Ruwa yana da babban lokaci mai zafi, amma yana da babban daskarewa, saboda haka ana iya amfani dashi azaman firiji don shirya ƙarfin sanyaya sama da 0 ° C. Idan ƙarfin sanyaya ƙasa 0 ° C shine a shirya, da brine ko aka yi amfani da shi ko maganin kwayoyin halitta azaman firiji.
Aqueous mafita na sodium chloride, alli chloride da magnesium chloride ana kiranta brine mai sanyi. Mafi yawan amfani da brine da aka fi amfani da brine a cikin masana'antar abinci shine sodium chloride ruwa bayani. Daga cikin kayan ƙirar kwayoyin, waɗanda yawancin sanannun sanyaye shi ne maganin mafi kyau na ethylene glycol da propylene glycol.
Babban na'urori na Piston Matsakaicin kayan girke-girke na Piston
Aiki: Ana amfani dashi don damfara mai girke don yin aiki, sami makamashi, sannan kuma ya fado da fadada don samar da tushen sanyi wanda zai iya shan zafi.
Hanyar wakilcin na ƙirar: yawan silinda, nau'in kayan ado, nau'in tsarin silinda, da diamita na silinda.
Abincin Silinda
Aikin aiki: Lokacin da piston ya fara zuwa sama, an buɗe bawul din tsotse, kuma tururi mai sanyaya ya shiga cikin silinda a saman bawul na piston ta hanyar bawul na tsinkaye. Lokacin da piston ya motsa sama, an rufe bawul ɗin tsotse, da firijin a cikin silin da iska ya kai wani matakin na karya da aka matsa daga cikin bututun mai.
Fasali: Tsarin sauƙi, mai sauƙi don ƙira, mai ƙarfi da ƙarfi, aiki mai ƙarfi da kulawa mai dacewa.
mai hana
Aiki: Mai tallatawa na zafi, wanda ke koyar da cutar ta jeri na firiji ta sanyaya sanyaya.
Nau'in harsashi da bututu, harsashi na tsaye da bututu, ruwan feshin ruwa, prerayation, sanyaya ruwa
Tsarin aiki: tursasawa mai sanyaya kayan firiji ya shiga sanadin daga saman ɓangaren kwasfa da tuntuɓar bakin sanyi na bututun, sannan kuma yarda da sanyi a kanta. A karkashin aikin nauyi, condensate nunin faifan bango kuma ya raba daga bango bututu.
Isarwar ruwa mai ruwa da ruwa ya ƙunshi tafki na ruwa, bututu mai sanyaya, da tankin rarrabawa.
Tsarin aiki: Ruwan mai sanyaya yana shiga cikin rarraba Ruwa daga saman, kuma yana kwarara zuwa saman bututun mai ta hanyar rassan ruwa. Wani ɓangare na ruwan ya bushe, sauran kuma ya shiga cikin tafkin ruwa. A kasan bututun mai hawa-gida ya shiga bututu, kuma lokacin da ya tashi tare da bututu, yana sanyaya da ɗaure, kuma yana gudana cikin tafki na ruwa.
Bawul din bawul
Aiki: Rage matsa lamba na firiji da sarrafa kwararar firiji. A lokacin da mai matsi mai cike da ruwa ya wuce ta hanyar bawul din fadada, matsawar iska mai laushi zuwa ga matsakaiciyar matsin lamba, kuma a lokaci guda, ruwan girkin girke-girke yana raguwa, da zafin jiki ya ragu.
Balaguwar yaduwa ta theryrer: Yana amfani da digiri na Superheat na Steam a kantin wuta a cikin mafita na mai tauri na mai tauri don daidaita da firiji. A karkashin yanayin aiki na yau da kullun na ɓangaren ɓangaren girke girke, matsa lamba na wadataccen yanki ne daidai da adadin matsin mai a ƙarƙashin diaphragm da matsin lamba, kuma yana cikin yanayin daidaitawa. Rashin samar da kayan firiji yana haifar da tururi don dawowa a cikin mai mashaya, da kuma buɗe zafin jiki na ƙaruwa, sannan kuma zazzabi da zafin jiki firikwensin yana ƙaruwa. samu daidaito. Sabili da haka, bawul din fadadawa zai iya daidaita digiri na bawul na bawul ɗin ta atomatik zai iya ƙaruwa ta atomatik ko ragewa tare da nauyin, wanda zai iya tabbatar da cewa an yi amfani da yankin mai lalacewa.
Mai ba shi da ruwa
Aiki: Sanarwa yana ɗaukar zafi mai sanyi matsakaici.
Classification: Dangane da yanayin yanayin sanyaya, an kasu kashi uku.
1. Evaporatoror don sanyaya mai sanyaya ruwa: kamar sanyaya ruwa, brine mai sanyaya, da sauransu. An kasu kashi a kwance, nau'in bututun a tsaye, tube na tsaye, tubalin bututu da coil da ke da tsarin
2
3. Tuntuɓi mai ruwa don sanyaya mai daskararru: busasshen kayan ado a gefe ɗaya na ɓangaren yanayin yanayin zafi yana cikin hulɗa kai tsaye tare da sanyaya kayan da aka sanyaya ko mai sanyi.
Fasali: sakamako canja wuri mai sauƙi, tsari mai sauƙi, ƙananan sawun, kuma ƙasa da ɓarna da kayan aiki saboda tsarin kewaya mai cike da aka rufe.
Rashin nasara: Lokacin da brine farashin ya tsaya saboda malfunction na iya faruwa, haifar da bututun bututun toshewa.
bututun sanyaya
COMELING PIPE
Abvantbuwan amfãni: Bayan da firiji an tursasa shi, yana da sauƙin fitarwa, da zazzabi canja wuri yana da kyau, amma lokacin da tsire-tsire canja wuri na ƙananan firiji yana da yawa saboda static matsa lamba na shafi na.
Single jere Coil Rubyone bututun bango:
Abvantbuwan amfãni: Yawan adadin firiji sun ne ƙanana, kimanin kashi 50% daga cikin bututu mai shayarwa, amma ba za a fitar da firiji da sauri ba, wanda ke rage tasirin canja wurin zafi.
Tube bututu:
Abvantbuwan amfãni: Babban yanki mai zafi.
Na'urori na Appiliari na kayan girke-girke na piston compires
mai raba mai
Aiki: Ana amfani dashi don raba abubuwanda tsinkaye mai mai da gas don hana lubricating man daga shigar da yanayin canja wurin zafi.
Tsarin aiki tare: ta hanyar tsararraki na digo na mai da tururi mai sanyaya, an rage farashin kwararar ta hanyar ƙara yawan kayan maye, kuma an canza hanyar kwararar firiji; ko ta hanyar karfin gwiwa, droplets mai ya zama zazzabi mai tururi. Don lubricating mai a cikin steam steam, tururi zazzabi an rage ta wankewa ko sanyaya, domin ya yarda da shi cikin milan ruwa da kuma raba. Ana sandar da tace tace tace ta hanyar daskararre.
Aikin mai tattarawa: tattara da cakuda da cakuda da mai rabuwa da mai da aka hade, sa'an nan kuma maye gurbinsu daban. Don tabbatar da amincin sumbatar mai, mai yana rage asarar firiji.
Aikin mai karɓar ruwa shine a adana kuma daidaita ruwan girkin da aka kawo kowane ɓangare na tsarin firiji don saduwa da ingantaccen aiki na kayan aiki. An kasu kashi mai ruwa zuwa matsanancin matsin lamba, ƙaramin matsin lamba, magudana ganga da zagin ganga mai nauyi.
Aikin sake dawo da gas-ruwa: raba firiji daga mai taushi don hana ruwan firiji daga shigar da damfara kuma buga silinda; Rarraba m tururi a cikin ƙarancin ammonawa ruwa bayan ruwa don inganta tasirin canja wurin wuta na mashaya.
Matsar da mai raba iska: Don rarrabe da fitarwa gas mara kyau a cikin tsarin don tabbatar da aikin al'ada na tsarin firiji.
Aikin mai amfani da mai ta hanyar: An sanya shi a cikin biyu-mataki (ko mataki na girke-girke) tsarin girke-girke mai ɗorewa don aikin motsa jiki na ci gaba na ci gaba da matsin lamba; Abubuwan da ke cikin saƙa mai da sanyaya sanyaya suna yin firiji sun yi aikin ƙaramin subcool.
Ajiya mai sanyi
Rarrabuwa:
Babban ma'auni mai sanyi (sama da 5000t); Matsakaici mai matsakaici mai sanyi (1500 ~ 5000t); karamin sanyi ajiya (a kasa 1500t).
A cewar bukatun amfani:
Babban zazzabi mai zafi: galibi 'ya'yan itãcen marmari, kayan lambu, ƙwai da sauran abinci, yawan abinci zazzabi ne 4 ~ -2 ℃;
Lowerancin yawan zafin jiki na sanyi: galibi daskare da daskare nama, samfuran ruwa na ruwa, da sauransu, zazzabi na yawan zafin jiki shine -18 ~ -30 ~ -30.
Warehouse-Air-sharadi: Store shinkafa, noodles, kayan abinci, kayan marmari na yau da kullun, yawan zafin jiki na yau da kullun shine 10 ~ 15 ℃
Kayan aiki mai sauri-sauri: ya dace da daskarewa kananan ƙananan kayan abinci kamar tubalan abinci kamar dabbobi, kayan lambu, kayan lambu, da kuma dumplings. Daskarin zazzabi -30 ~ 40 ℃.
Akwatin-nau'in iska mai sauri: Akwai faranti da yawa tare da faranti da ke cikin akwatin a cikin akwatin. Ana shigar da coor na fitar da ruwa a cikin mai dubawa, da brine kuma ana iya zub da shi tsakanin bututu, kuma sanyaya tana gudana cikin coil gudun; Ana sanya kayayyakin mai sauri-daskararre tsakanin faranti, kuma an motsa faranti don damfara kayan don daskarewa.
Rami Nau'in daskarewa na-daskarewa: Ya ƙunshi nisan jikin, evaforator, fan, rack, kayan ƙasa ko tayin bakin karfe. Kayan kayan da ya fara wucewa ta farko-state mish, wanda ke tafiyar da sauri, kuma kayan abin da ke bakin ciki, don haka ya daskare; Na biyu-mataki raga, wanda ke tafiyar da hankali kuma yana da kayan miya mai kauri, yana daskarewa dukkan kayan don samun samfurin mai sauri-mai sanyi.
Rayayyun nutsewa: Abubuwan da aka daskarewa suna tuntubi kai tsaye tare da gas ko mai sanyaya ruwan gas tare da yawan zafin jiki sosai don yin samfurin mai sanyi sosai. Abincin gefe yana wucewa ta hanyar pre-sanyaya wuri, yanki mai daskarewa da yanki mai zuwa. Ana adana ruwa mai ruwa a waje da rami kuma an gabatar dashi cikin yankin daskarewa a ƙarƙashin wani matsin lamba don fesa ko nutsewa. Nitrogen kafa bayan ruwa nitrogen yana shan zafi har yanzu yana da ƙarancin zafin jiki, -10 zuwa -5 ° C, kuma an aika zuwa cikin rami ta hanyar fan. Pre-daskare sections. A cikin daskarewa yanki, abinci yana da sauri sosai ta hanyar hulɗa da ruwa na ruwa a -200 ° C.
Kayan aikin firiji na iska
Mai sarrafawa da kayan sanyaya: haɗakar sanyaya tare da adana yanayin yanayin oxygen da carbon dioxide a cikin shago da kayan lambu, da sakamako mai kyau ana iya samu.
Rashin samfuran samfuran a cikin ajiya karami ne. A cewar ƙididdiga, asarar samfuran ajiya na sanyi shine 21.3%, yayin da asarar kayayyakin adana sanyi shine 4.8%.
Lokaci: Jan-26-022
