Refrigeration equipment with sleeve-type collection pipe for artificial skating rink
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United States of America Patent
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Dec 30, 2014
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app pub date -
Dec 31, 2010
filing date -
Nov 15, 2010
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Abstract
Refrigeration equipment with a sleeve-type collection pipe for an artificial skating rink comprising at least a refrigerating system (3), a refrigeration liquid supplying collection-pipe (1) and a return-gas collection-pipe (2). The return-gas collection-pipe (2) sheathes the refrigeration liquid supplying collection-pipe (1) along length-wise direction. The refrigeration system (3) is provided with a liquid supplying main pipe (41) and a return-gas main pipe (42) sheathed on the liquid supplying main pipe (41). Both ends of the liquid supplying main pipe (41) are respectively connected with the refrigeration liquid supplying collection-pipe (1) and the output end of the refrigeration system (3), and both ends of the return-gas main pipe (42) are respectively connected with the return-gas collection-pipe (2) and the input end of the refrigeration system (3). Multiple groups of circulation pipes (6, 7) arranged in rows are juxtaposed at both sides of the return-gas collection-pipe (2) along the lateral direction.
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