Patent ID: 7673473

Claim:
A dehumidification cooling apparatus for an indoor sports facility, comprising: an ice chamber for turning water into ice and storing the ice; an air supply-and-exhaust pipe which is disposed from the ice chamber to the indoor sports facility, leads to the ice chamber and leads to an upper space of the indoor sports facility; a fan which is disposed in a supply pipe of the air supply-and-exhaust pipe; a heater which is disposed at a predetermined distance apart from the fan in the supply pipe of the air supply-and-exhaust pipe; the fan supplies air cooled with melting heat of ice made in the ice chamber, from the ice chamber through the supply pipe to the upper space of the indoor sports facility; the heater heats air inside of the supply pipe to reduce the humidity of the air to a predetermined level; through an exhaust pipe of the air supply-and-exhaust pipe, the air of the upper space of the indoor sports facility is returned for circulation to the ice chamber, so that dehumidification and cooling are conducted in the space of the indoor sports facility characterized in that the air supply-and-exhaust pipe is a double pipe which is made up of an internal pipe formed by the supply pipe and an external pipe formed by the exhaust pipe; the external pipe includes an opening portion which opens in an upper part of the ice chamber, and a plurality of opening portions which are disposed at a predetermined distance apart from each other in the upper space of the indoor sports facility and open downwardly at the bottom of the external pipe; and the internal pipe includes an opening portion which penetrates the external pipe in the ice chamber, protrudes outward from the external pipe and opens in a lower part of the ice chamber, and a plurality of opening portions which penetrate the external pipe, protrudes outward from the lateral side of the external pipe in the upper space of the indoor sports facility, are disposed at a predetermined distance apart from the opening portions of the external pipe and open horizontally.