Shirya matsala Compressor Compressor

Yawan zafin tsotsa ya wuce gona da iri ya samo asali ne saboda karuwar zafi mai zafi. Lura: Yawan zafin tsotsa ba yana nufin cewa matsa lamba ya yi girma ba saboda tururi mai zafi ne. Yawancin lokaci, shugaban Silinda na kwampreso ya kamata ya zama rabin sanyi da rabin zafi. Idan yawan zafin jiki ya yi yawa, kan silinda zai yi zafi. Idan zafin tsotsa ya fi ƙayyadaddun ƙima, yawan zafin jiki na iskar gas zai tashi daidai da haka.

Dalilin:

a. Refrigeren bai isa ba. Ko da bawul ɗin faɗaɗa yana aiki da yawa, babu wani canji a cikin samar da ruwa, cewa zafin jiki mai sanyi yana da girma a cikin evaporator don haɓaka zafin tsotsa.

b. Bawul ɗin haɓakawa yana aiki a cikin ƙaramin ƙarfi. Yawo na refrigerant na tsarin bai isa ba, ƙarancin refrigerant shiga cikin evaporator, mafi girma superheat, mafi girma tsotsa zafin jiki.

c. Tace bawul ɗin faɗaɗa yana toshe. Adadin samar da ruwa a cikin injin daskarewa bai isa ba, adadin ruwa mai sanyi yana raguwa, kuma wani yanki na sarari na evaporator yana shagaltar da tururi mai zafi mai zafi, don haka zafin iska yana ƙaruwa.

d. wasu dalilai.

a. Cajin firiji yana da yawa, yana mamaye wani yanki na sarari a cikin na'urar, don haka matsa lamba ya yi girma, kuma ruwan da ke shiga cikin evaporator yana ƙaruwa. Ruwan da ke cikin evaporator ba zai iya yin tururi gaba ɗaya ba, ta yadda iskar da compressor ke tsotsa ta ƙunshi ɗigon ruwa. Don haka, yanayin zafi na bututun iska na dawowa yana kwantar da hankali, amma yanayin zafi na evaporating baya canzawa saboda matsin lamba baya raguwa, kuma superheat yana raguwa. Ko da daidaita bawul ɗin haɓakawa, babu ci gaba sosai.

b. Matsayin buɗewa na bawul ɗin haɓaka yana da girma da yawa. Saboda an ɗaure firikwensin zafin jiki, wurin tuntuɓar da bututun iskar da ke dawowa ya yi ƙanƙanta, ko kuma ba a nannade firikwensin zafin jiki tare da kayan hana zafi ba kuma wurin nannade ba daidai ba ne, zafin da aka auna ta firikwensin zafin jiki ba daidai ba ne, kusa da yanayin zafi na yanayi, kuma ana sarrafa bawul ɗin fadadawa. Matsayin buɗewa yana ƙaruwa, yana haifar da wadataccen ruwa mai yawa.

Dalilin:

Cajin firiji bai isa ba kuma za'a daskare shi daga mai kwashewa zuwa kwampreta (Lura: ana buƙatar tabbatarwa). Bugu da kari, saboda wasu dalilai na waje, na'urar sanyaya ba ta fitar da kyau ko ma ba ta fita kwata-kwata a cikin na'urar, wanda zai iya haifar da sanyi mai tsanani ko ma datsewa da ruwa. (Idan na'urar sanyaya iska ta tsakiya ta koma iskar da kyau ko kuma tace mai sanyaya iskar ta toshe sosai, bututun na chiller za a daskare kuma zafin zafin ya ragu sosai. , wanda zai iya haifar da hawan iska mai zafi.

3. Yawan zafin jiki mara kyau

Abubuwa masu yuwuwa: ƙimar adiabatic, rabon matsawa, zafin tsotsa.

Za'a iya karanta zafin fiɗar kwampreta daga ma'aunin zafi da sanyio a kan layin shaye-shaye. Yana da alaƙa da adiabatic index na refrigerant, da matsawa rabo (matsi matsa lamba / evaporation matsa lamba), da tsotsa zafin jiki. Mafi girman zafin tsotsa, mafi girman rabon matsawa kuma mafi girman yawan zafin jiki.

Lokacin da matsa lamba ya kasance akai-akai, yawan zafin jiki na iskar gas yana tashi lokacin da matsa lamba ya karu; idan matsi na shaye-shaye bai canza ba, zafin iskar iskar gas kuma yana tashi lokacin da matsa lamba ya ragu, duka biyun sun kasance saboda haɓakar matsi. Yawan zafin jiki mai yawa da yanayin zafi yana da illa ga aikin kwampreso kuma ya kamata a kauce masa. Yawan zafin jiki da ya wuce kima na iya sa man mai ya zama sirara ko ma da wuta da kuma coke, wanda ke lalata yanayin mai na kwampreso.

Zazzabi na iskar iskar gas daidai yake da rabon matsawa (matsi da matsa lamba / matsa lamba) da zafin tsotsa. Idan superheat na tsotsa zafin jiki yana da girma kuma rabon matsawa yana da girma, yawan zafin jiki na iskar gas zai yi girma. Idan matsatsin tsotsa da zafin jiki ba su canza ba, zafin iskar iskar gas shima yana tashi yayin da matsin shayewar ke karuwa.

Babban dalilan karuwar yawan zafin jiki

a. mafi girma tsotsa zafin jiki. Bayan an matsa tururi mai sanyi kuma yawan zafin jiki ya fi girma.

b. Yanayin zafin jiki yana tashi don matsa lamba yana da girma, kuma. yana haifar da yanayin ƙaura.

c. An murƙushe farantin bawul ɗin shaye-shaye, tururi mai ƙarfi yana maimaita matsa lamba kuma zafin jiki ya tashi, silinda da kan silinda suna da zafi, ƙimar nunin ma'aunin zafi da sanyio akan bututun shayewa shima yana tashi.

Haƙiƙanin abubuwan da ke shafar haɓakar yanayin ƙaura sune: matsakaicin yanayin sanyaya yana da ƙasa, ko ma'aunin da ya wuce kima a cikin intercooler yana rinjayar musayar zafi, yanayin tsotsa na ƙarshen matakin dole ne babba, kuma zazzabin ƙaura shima ya karu. Ruwan bawul ɗin iskar gas yana zubar da zobe na piston, wanda ba wai kawai yana shafar haɓakar yanayin ƙaura ba, har ma yana canza matsa lamba na tsaka-tsaki. Muddin ma'aunin matsawa ya fi ƙima na al'ada, zafin ƙaura zai tashi.Daming Refrigerationyana tunatar da ku cewa injunan sanyaya ruwa ba su da ruwa ko rashin isasshen ruwa zai ƙara yawan zafin jiki. Matsakaicin matsa lamba ba daidai ba ne kuma an saukar da matsa lamba.

4.high shaye matsa lamba

Matsakaicin shaye-shaye gabaɗaya yana da alaƙa da matakin zafin zafi. A ƙarƙashin yanayin al'ada, matsa lamba na fitarwa yana kusa da matsa lamba. Babban matsin lamba zai ƙara ƙarfin matsawa kuma ya rage yawan isar da iskar gas, don haka rage ƙarfin sanyaya.

Yayin da matsa lamba ya karu, zafin fitarwa na kwampreso shima yana tashi. Matsakaicin matsa lamba na kwampreso yana ƙaruwa, kuma an rage yawan isar da iskar gas, don haka an saukar da ƙarfin firiji na kwampreso. Amfanin wutar lantarki ya karu. Idan zafin iskar iskar gas ya yi yawa, ana ƙara yawan amfani da mai na kwampreso mai lubricating, man ya yi laushi, kuma an shafa mai; lokacin da yawan zafin jiki na iskar gas yana kusa da filasha na man kwampreso, wani ɓangare na mai mai mai yana da carbonized kuma yana tarawa a cikin tsotsawa, tashar jiragen ruwa mai shayewa yana rinjayar hatimin bawul.

Rage yawan zafin jiki na matsakaicin sanyaya zai iya haifar da zafin jiki don saukewa kuma matsa lamba don ragewa, amma wannan yana iyakance ta yanayin muhalli kuma yana da wuya a zabi. Ƙara yawan kwararar matsakaiciyar sanyaya yana rage yawan zafin jiki (wannan hanyar ana amfani da ita). Duk da haka, ba zai yiwu a ƙara yawan ruwan sanyaya ko iska ɗaya ba, saboda wannan zai ƙara ƙarfin famfo mai sanyaya ruwa ko fanka da injin, kuma ya kamata a yi la'akari da shi sosai.

5. rashin isashen shaye-shaye

Rashin isassun matsuguni - galibi idan aka kwatanta da ƙayyadaddun ƙaura na kwampreso, yana ɗaya daga cikin mafi kusantar gazawar na'urar, galibi saboda dalilai da yawa:

1. An lalata matatar da ake ci ko kuma bututun tsotsawar kwampreso ya yi tsayi da yawa, kuma diamita na bututun ya yi ƙanƙanta, wanda ke haifar da juriya na tsotsa, wanda ke shafar ƙarar iska da kuma rage yawan iskar gas.

2. An rage saurin kwampreso don rage yawan shaye-shaye. Tunda an ƙera maɓalli na kwampreso bisa wani tsayin daka (mafi yawan injin kwampreso na iska), yawan zafin jiki, zafi da samar da wutar lantarki, idan aka yi amfani da shi a yanayin da ya zarce mizanin da ke sama, kamar yadda ake amfani da injin damfara a cikin tudu zai haifar. matsa lamba don raguwa, da sauransu, da kuma ƙaura kuma za a yi tasiri.

3, hatimin marufi ba shi da tsauri, yana haifar da ɗigo, don haka an rage yawan shaye-shaye. Da farko, yana iya zama cewa filler kanta bai cancanta ba; Abu na biyu, ana iya haifar da shi ta hanyar zubar da iska yayin shigarwa, kamar abrasion ko damuwa. Gabaɗaya, filler ɗin yana cike da mai mai mai, wanda za'a iya shafawa, rufewa da sanyaya.