vacuum drying oven ho akwankyerɛ .

Ɛba fam-ɔhyew a wɔde yɛ vacuum drying fononoo.

Oven a ɛma vacuum no wɔ nneɛma atitiriw pii. Wɔn mu bi ne ɔpon no ano nsa. Afei nso, vacuum gauge no nso wɔ hɔ. Wobɛhunu vacuum valve knob no. Mma wo werɛ mmfi vacuum pump connection no. Na balance port no nso wɔ hɔ.

Ɛha na standard drying nhyehyɛe no wɔ.

Wodi kan bue ɔpon no nsa. Afei fa nhwɛsode no hyɛ fononoo no mu.

Afei, yɛ nsakrae wɔ ɔhyew no mu sɛnea ɛho hia. To ɔpon no mu yiye wɔ ɛno akyi.

Sɛ ɛyow wie a, yi nhwɛsode no fi fononoo no mu.

Afei, ma vacuum drying nhyehyɛe no.

Fa nhwɛsode no to nhwɛsode rack no so pɛpɛɛpɛ wɔ fononoo a ɛreyow no mu. Pia rack no kɔ fononoo no mu yiye.

To ɔpon no mu denneennen. To vent valve no mu koraa. Bue vacuum valve knob no. Fa vacuum pump ahoɔden nhama no bata ho. Eyi ma wonya vacuum a ɛwɔ mu a ɛyɛ minus 0.1 MPa.

Ɛno akyi no, to vacuum valve no mu. Twa vacuum pump ahoɔden a wɔde ma no mu.

Dum anyinam ahoɔden titiriw no kɔ vacuum drying fononoo no mu. Pre-de ɔhyew no si hɔ ansa na woafi ase.

Ɔhyew a ɛwɔ mu no bɛn nea wɔde asi hɔ no. Afei alarm kyerɛwtohɔ kanea no hyerɛn mpɛn pii. Wubetumi ahwɛ sɛnea ɔhyew no so tew wɔ bɛyɛ simma 120 mu.

Sɛ wo hia low-temperature drying a, fa ɔhyew no si hɔ wɔ stages mu. Sɛ nhwɛso no, sɛ botae no yɛ digrii Celsius 60 a, fi ase wɔ digrii Celsius 50 so. Sɛ ɛba soro dodo a, yɛ nsakrae kodu digrii Celsius 60.

Kyerɛ bere a wɔde bɛyow no gyina nhwɛsode no mu nsu a ɛwɔ mu no so. Sɛ bere no kɔ akyiri dodo anaasɛ vacuum level no kɔ fam a, re-evacuate vacuum no. san fa no kɔ soro kodu nea ɛfata.

Sɛ ɛyow wie a, dum anyinam ahoɔden no. Bue vent valve no na ama vacuum a ɛwɔ mu no afi hɔ. Yi nhwɛsode no fi hɔ dwoodwoo.

Ahwɛyiye ahorow bi a ɛsɛ sɛ wodi akyi ni. Fa fononoo no yɛ hyew ansa na wode adi dwuma. Hwɛ sɛ sample no te off position.

Mfa nsu a wɔde yɛ nsu gu dan no mu. Kwati nneɛma a flash point anaasɛ bow point a ɛba fam sen digrii Celsius 150 wɔ vacuum ase.