Title:
DOUBLE TRANSPORT PIPE DEVICE
Document Type and Number:
Japanese Patent JP2015206418
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a double transport pipe device that can prevent water droplets from dropping onto a floor surface.SOLUTION: A double transport pipe device 10 comprises: an inner pipe 1 in which cryogenic liquid flows; a heater 4 arranged on an outer periphery of the inner pipe 1; an outer pipe 2 arranged outside the inner pipe 1 and the heater 4; a heat insulating material 5 arranged between the inner pipe 1 and the outer pipe 2; sealing materials 7 that seal both end parts of a clearance between the inner pipe 1 and the outer pipe 2 respectively; a water discharge pipe 6 that makes the clearance communicate with the outside; sending means 11 that intermittently sends the cryogenic liquid into the inner pipe 1; and heating control means 12 that controls heating by the heater 4. The heating control means 12 heats the heater 4 when the cryogenic liquid does not flow in the inner pipe 1.
Inventors:
SASAKI OSAMU
Application Number:
JP2014087554A
Publication Date:
November 19, 2015
Filing Date:
April 21, 2014
Export Citation:
Assignee:
SHOWARASENKAN SEISAKUSHO CO LTD
International Classes:
F16L59/147; F16L53/00
Attorney, Agent or Firm:
Creation International Patent Office