Saka, chii chaizvo chaizvo? Kazhinji, maererano ne "Chishandiso Chekuchengetedza Mirau yekutarisa" Chiyero uye nguva yezvinyorwa zvakadaro: Iyo "standard" inotsauka ((mushandisi) unit inowana chero mamiriro ezvinhu anotevera panguva yekushandisa kana kuchengetedza, ichangobva kumira kana kubvisa njodzi yacho:
. . . . Kana zvishandiso zvakakosha senge midziyo yekumanikidza kana mabhodhi anotyora uye anoda kugadziriswa, vanhu vane mutungamiriri vanofanira kubva pakarepo, ndokubvarura magetsi uye vobva vaburitsa midziyo yakakosha yekuongorora.
1. Munguva yekugadzira maitiro, kana jenareta steam rinoshandiswa, kuita kwayo kwekuchengetedza kunoda kuedzwa.
Kunyanya, mushure mekunge jenareta yeSteam yakaiswa kekutanga, iyo jenareta yakabatana kune mamwe midziyo uye pombi, uye ipapo yekuongororwa kwekuita kunoitwa. Nhoroondo dzakananga dzinosanganisira: (1) mushure mekutanga kuiswa kweiyo jenareta yakapera, iyo yese yeSteam jenareta inoda kumanikidzwa uye tembiricha yakaedzwa; (2) Mushure mekuiswa kwapera, iyo tembiricha yakazara inoda zvakare kuedzwa. . . . Naizvozvo, maererano ne "mirau": Zvemidziyo yakakosha pakati pemidziyo yakakosha, inoreva zvishandiso zvakakosha nemirairo yakakosha mukugadzirwa, kuisirwa, kuisirwa, kugadzirisa uye kugadzirwa uye kugadzirwa. Semuenzaniso, zvigadzirwa pamusoro pemabhodhi zvinogona kuiswa semidziyo yekumanikidza; Mishumo yekuongorora yakapihwa nemidziyo yakakosha yekuongorora masangano inogona zvakare kuiswa semidziyo yekumanikidza.
2. Zvemidziyo yakakosha yakataurwa mu "mirau", zvitupa zvinowirirana zvinodikanwa, uye pakati pavo, maererano nezvakagadzirwa zve "mirau":
(1) Dhizaini, Kugadzira, Kuisirwa uye Kugadziriswa:
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. Kana iyo yekuchengetedza chimiro kuongorora uye kuongororwa kwemabhodhi uye zvimwe zvishandiso zvakakosha zvinoitwa mushure mekushandiswa, kunze kweiwo vakasimbiswa vanokwanisa neyekuchinjiswa nemidziyo yekuongorora.
(4) Nguva yekuongorora nguva:
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3. Kune mamwe marudzi emidziyo yakakosha, mitemo yakakodzera nemirairo inoshanda.
Muchokwadi, chikonzero nei paine chirevo chakadai nekuti chirahwe chetiremi chigadzirwa chimwe chinhu chakajairika muhupenyu hwedu. Mumaziso evazhinji vanhu, jenareta yejenareta ingori chishandiso chiri nyore chekuparadza. Muchokwadi, isu tinogona kuzviona kwese kwese muhupenyu hwedu. Iyo inonyanya kushandiswa kumvura inopisa, steam kupisa kana chizvarwa chesimba. Iyo inoumbwa nehedheni, iyo condenser uye inoenderana necillary mashongedzo. Iyo izere system mudziyo, inosanganisira heater, condener uye yemvura inotenderera system. Iyo inotenderera inotenderera system inosanganisira matangi emvura uye mapapu emvura.