Design of Sintered Zeolite Evaporative Cooling System

Midiani, Luh Putu Ike and Arsana, Made Ery and Gunung, I Nyoman (2022) Design of Sintered Zeolite Evaporative Cooling System. International research journal of engineering, IT & scientific research, 8 (6). pp. 323-332. ISSN 2454-2261

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Abstract

An evaporative cooling system for fruit and vegetable was designed,fabricated, and evaluated in this study. The evaporative cooling system is made of plywood covered with steorofoam. The inside system is made of plywood with dimensions of 30 cm x 30 cm x 30 cm. The inside of the box is covered with steorofoam with a thickness of 2 cm on the front, sides and back. The cooling pad in this evaporative cooling system is sintered zeolite. Sintering zeolite is a new material used to optimize evaporative cooling systems. One suction fan to draw environmental air through the cooling pad and into the controlled room. There is a water reservoir used to collect cooling water and place a cooling water circulation pump. The pump lifts water from the reservoir then sprays the cooling pad through the pipe and then the water is stored back in the reservoir. As water drips through the cooling pad, the suction fan keeps the air moving and blowing through the cooling pad. When passing through the cooling pad, the evaporation process occurs, and the cooling effect takes place. The evaporative cooling system with sintered zeolite cooling pad is capable of controlling temperatures up to 28oC relative to an ambient temperature of 30oC with a relative humidity of up to 94%, compared to a relative humidity value of around 78%. The cooling efficiency of the evaporative cooling system with sintered zeolite cooling pad is evaluated on average to be 82.6%.

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