Mau oyamba Aukadaulo

3.3 Magalasi apamwamba a borosilicate ndi zinthu zabwino kwambiri padziko lapansi pano zomwe zingagwiritsidwe ntchito popanga zida za mankhwala opha tizilombo toyambitsa matenda, zoyikapo zitoliro ndi zida zamagalasi zogwiritsidwa ntchito ndi labu.Galasi la 3.3 lalitali la borosilicate ndi lalifupi lagalasi la borosilicate ndi coefficient yowonjezera pa (3.3±0.1)×10-6/K-1, imatchulidwa ngati galasi la Pyex padziko lonse lapansi.

Mfundo za muyezo wapadziko lonse wa IS03587: kuyika magalasi ndi kuyika magalasi omwe amagwiritsidwa ntchito popangira mankhwala akuyenera kutengera magalasi 3.3 apamwamba a borosilicate.

Chitoliro chagalasi ndi zida ku Nantong Sanjing Company zonse zimatengera magalasi apadziko lonse lapansi 3.3 borosilicate kupanga ndi kupanga.

Kutentha-kukana khalidwe

Galasi ndi kondakitala wosauka komanso zinthu zosaoneka bwino, koma galasi la 3.3 la borosilicate ndilosiyana chifukwa cha zigawo zake zamankhwala zili ndi 12.7% ya B2O3 yomwe imapangitsa kuti kutentha kwake kukhale bwino.

Zithunzi za IS03587

Kwa galasi lapamwamba la borosilicate lokhala ndi m'mimba mwake <Φ100mm, kutentha kwake kukana kutentha sikuposa 120 ℃;

Kwa galasi lalikulu la borosilicate lomwe lili ndi m'mimba mwake> Φ100mm, kutentha kwake kosagwira kutentha sikuposa 110 ℃.

Pansi pa kupanikizika kosalekeza (20 ℃-100 ℃)

Katundu wotengera kutentha

Avereji yochititsa kutentha: (20-100℃) λ = 1.2Wm-1K-1

Avereji ya kutentha kwapadera: Cp=0.98Jg-1K-1

Galasi chubu chisa matenthedwe exchanger

K = 222.24Vt0.5038(Madzi---chubu chodutsa madzi)

K = 505.36VB0.2928 (Madzi-chipolopolo chodutsa pamadzi)

K = 370.75Vb0.07131(Nthunzi---chipolopolo chodutsa madzi)

Coil heat exchanger

K: 334.1VC0.1175 (Madzi---chubu chiphaso cha madzi)

K: 264.9VB0.1365 (Madzi-chipolopolo chiphaso cha madzi)

K=366.76VC0.1213(Nthunzi---chipolopolo chodutsa pamadzi)