Substitute refrigerant for freon-12 centrifugal cold water machine set
Title：
Substitute refrigerant for freon-12 centrifugal cold water machine set
Application Number：
 01120436
Application Date：
 2001/07/13
Announcement Date：
 2002/01/09
Pub. Date：
 2006/10/11
Publication Number：
 1330122
Announcement Number：
 1279139
Grant Date：
 2006-10-11
Granted Pub. Date：
 2006-10-11
ApplicationType：
 Invention
State/Country：
 11[China|beijing]
IPC：
 C09K 5/04
Applicant(s)：
 Qinghua Univ
Inventor(s)：
 Shi Lin, Zhu Mingshan, Han Lizhong
Key Words：
 Substitute refrigerant, freon-12, centrifugal cold water machine set
Abstract：
 A substitute refrigerant for freon-12 centrifugal cold water machine set is prepared from monochlorodifluoromethane, 1,1,1,2,3,3,3-heptafluoropropane, 1-monochloro-1,1-difluoroethane, and optional isobutane through proportionally physical mixing. Its advantages include environmental protection, high safety and refrigerating efficiency, and no need of reforming existing equipment.
Claim：
Priority：
PCT：
LegalStatus：

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