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Practical use of solar heating-dehumidification dry kiln

Abstract

In order to decrease the energy cost for drying, a solar-dehumidification dry kiln which used the dehumidification dry process together with the solar thermal drier was developed and tested. In the daytime the drying temperature rose up to 60/sup 0/C in summer and 40/sup 0/C in winter, and it was kept higher by 15 to 20/sup 0/C than the outside temperature at night. Owing to the adoption of the combination of direct solar heating and exhausting highly humid air, it was not necessary to operate the dry kiln in the day time. Average electrical energy consumption which was consumed to 15% moisture content from the raw lumber was about 73kWh/m/sup 3/ in summer which was lowest, about 87kWh/m/sup 3/ in winter. Energy cost required for the solar dehumidification dry kiln is 1/2 to 2/3 of that of the conventional dehumidification dry kiln. The solar-dehumidification dry kiln has a merit of cheaper operating cost in the low energy cost and reduced drying time. (7 figs, 1 tab, 6 refs)
Publication Date:
Jun 01, 1988
Product Type:
Journal Article
Reference Number:
NEDO-88-911149; EDB-88-192208
Resource Relation:
Journal Name: Mokuzai Kogyo; (Japan); Journal Volume: 43:495
Subject:
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION; 14 SOLAR ENERGY; WOOD; SOLAR DRYING; SOLAR ENERGY; DRYING; ENERGY; ENERGY SOURCES; RENEWABLE ENERGY SOURCES; 320303* - Energy Conservation, Consumption, & Utilization- Industrial & Agricultural Processes- Equipment & Processes; 140905
OSTI ID:
6707552
Research Organizations:
Nara Forest Experiment Station, Nara, Japan
Country of Origin:
Japan
Language:
Japanese
Other Identifying Numbers:
Journal ID: CODEN: MKOGA
Submitting Site:
NEDO
Size:
Pages: 15-20
Announcement Date:
Nov 01, 1988

Citation Formats

Kobayashi, Yoshinori. Practical use of solar heating-dehumidification dry kiln. Japan: N. p., 1988. Web.
Kobayashi, Yoshinori. Practical use of solar heating-dehumidification dry kiln. Japan.
Kobayashi, Yoshinori. 1988. "Practical use of solar heating-dehumidification dry kiln." Japan.
@misc{etde_6707552,
title = {Practical use of solar heating-dehumidification dry kiln}
author = {Kobayashi, Yoshinori}
abstractNote = {In order to decrease the energy cost for drying, a solar-dehumidification dry kiln which used the dehumidification dry process together with the solar thermal drier was developed and tested. In the daytime the drying temperature rose up to 60/sup 0/C in summer and 40/sup 0/C in winter, and it was kept higher by 15 to 20/sup 0/C than the outside temperature at night. Owing to the adoption of the combination of direct solar heating and exhausting highly humid air, it was not necessary to operate the dry kiln in the day time. Average electrical energy consumption which was consumed to 15% moisture content from the raw lumber was about 73kWh/m/sup 3/ in summer which was lowest, about 87kWh/m/sup 3/ in winter. Energy cost required for the solar dehumidification dry kiln is 1/2 to 2/3 of that of the conventional dehumidification dry kiln. The solar-dehumidification dry kiln has a merit of cheaper operating cost in the low energy cost and reduced drying time. (7 figs, 1 tab, 6 refs)}
journal = []
volume = {43:495}
journal type = {AC}
place = {Japan}
year = {1988}
month = {Jun}
}