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METHOD AND PLANT FOR MANUFACTURING HEAT-TREATED GROWTH SUBSTANCES OR NATURAL FERTILIZERS
METHOD AND PLANT FOR MANUFACTURING HEAT-TREATED GROWTH SUBSTANCES OR NATURAL FERTILIZERS
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机译:制造经热处理的生长物质或天然肥料的方法和工厂
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摘要
In order to produce a thoroughly pasteurized growth substrate or manure the raw material is brought to pass through a perforated, tubular heating kiln (28), in which it is heated to some 90-100 DEG C, this being a dangerously high temperature with respect to ignition of the material and the gases developed therefrom. For eliminating the ignition risk the inlet and outlet ends of the tubular kiln (28) are blocked for entrance of atmospheric air, such that the atmosphere inside the kiln is maintained highly humid and low on oxygen. IMAGE
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