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Topic

Technologies and technical equipment for agriculture and food industry

Volume

Volume 64 / No. 2 / 2021

Pages : 43-53

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DEVELOPMENT AND THERMAL EVALUATION OF DOUBLE DRUM DRYER FOR READY-TO-EAT FOOD PRODUCTS TO SUPPORT STUNTING PREVENTION

PENGEMBANGAN DAN EVALUASI TERMAL PENGERING DRUM GANDA UNTUK PRODUK MAKANAN SIAP SAJI DALAM MENDUKUNG PENCEGAHAN STUNTING

DOI : https://doi.org/10.35633/inmateh-64-04

Authors

Dadang Dayat Hidayat

Indonesian Institute of Sciences

(*) Diang Sagita

Indonesian Institute of Sciences

Doddy Andy Darmajana

Indonesian Institute of Sciences

Ashri Indriati

Indonesian Institute of Sciences

Ari Rahayuningtyas

Indonesian Institute of Sciences

Arie Sudaryanto

Indonesian Institute of Sciences

Yose Rizal Kurniawan

Indonesian Institute of Sciences

Pramono Nugroho

Indonesian Institute of Sciences

(*) Corresponding authors:

[email protected] |

Diang Sagita

Abstract

The study aimed to develop a small-scale drum dryer to meet the small enterprises' demand in the context to produce ready-to-eat food products to support stunting prevention. The design, manufacture, and thermal evaluation of a double drum dryer had been carried out. The development stage consisted of sizing the main components, creating technical drawings, determining component materials, manufacturing, and performance tests. The dryer drum dimension was 500 mm in diameter and 400 mm in length and 20 mm in thickness. The capacity of the double drum dryer was 10 kg/batch. The double drum dryer was powered by a 3-phase electromotor 2.24 kW. There are three transmission systems applied, i.e. gearbox, chain-sprocket, and belt-pulley. The feeding system applied was nip feeding. The heat source originated from the steamer using an electric heater. Results of the test showed that the double drum drying machine had worked well as expected. The temperature distribution of both drums was fairly uniform, and the temperature uniformity in the drum surface has shown good uniformity (minimum gradient temperature). The double drum dryer has been able to produce good characteristics of products in the form of ready-to-eat products made from several ingredients (i.e. millets and red bean) which contain high macro and micronutrient.

Abstract in Indonesian

Penelitian ini bertujuan untuk mengembangkan drum dryer skala kecil untuk memenuhi kebutuhan usaha kecil dalam rangka memproduksi produk makanan siap saji untuk mendukung pencegahan stunting. Desain, pembuatan, dan evaluasi termal pengering drum ganda telah dilakukan. Tahap pengembangan terdiri dari pengukuran komponen utama, pembuatan gambar teknis, penentuan material komponen, pembuatan, dan uji kinerja. Dimensi drum pengering memiliki diameter 500 mm dan panjang 400 mm dan ketebalan 20 mm. Kapasitas pengering drum ganda adalah 10 kg/batch. Pengering drum ganda digerakkan oleh motor listrik 3-fase 2.24 kW. Ada tiga sistem transmisi yang diterapkan yaitu gearbox, rantai-sproket dan sabuk-puli. Sistem makan yang diterapkan adalah nip feeding. Sumber panas berasal dari steamer dengan menggunakan pemanas listrik. Hasil pengujian menunjukkan bahwa mesin pengering drum ganda telah bekerja dengan baik sesuai dengan yang diharapkan. Distribusi temperatur pada kedua drum cukup seragam, dan keseragaman suhu pada permukaan drum telah menunjukkan keseragaman yang baik (temperatur gradien minimum). Pengering drum ganda telah mampu menghasilkan karakteristik produk yang baik berupa produk siap saji yang terbuat dari beberapa bahan (mis. millet dan kacang merah) yang mengandung makro dan mikronutrien tinggi.

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