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“回垄炕”是以其火道为“回垄”式而得名。利用“回垄炕”干制红枣,既能在正常天气进行,也可在阴雨天气炕制,且技术简便,操作容易,投资小,产品质量高,是枣区农民创造的一种干制红枣的炕制技术。据调查:1983年西华枣区利用厨房改建“回垄炕”两座,干制红枣5000多斤;1984年干制红枣7000斤,因其干制快,无苍蝇、细菌、无煤烟污染,色泽红亮美观,含糖、Vc量高(见下表)。平均好果率在95％以上,全部达到了一级果标准。每斤售价0.80元,而晒制的干枣,浆、脏、质量差,占
“Ridge back to kang” is named after its fire-fueled “return ridge” type. The use of “Ridge Ridge Kang” drying dates, both in normal weather, but also in the rainy weather Kang system, and the technology is simple, easy to operate, low investment, high product quality, is the date of the farmers to create a kind of dried dates Kang technology. According to the survey, in 1983, the West China Jujube Region used the kitchen to remodel the two warehouses of “Ridge Ridge Kang” and dried over 5000 kilos of dried dates. In 1984, the jujube was dried up to 7,000 kilograms. Because of its quick drying, no flies, bacteria and soot pollution , Bright red and beautiful color, sugar, Vc high volume (see table below). Average good fruit rate above 95%, all reached a fruit standard. Price 0.80 yuan per catty, and dried sun dried dates, pulp, dirty, poor quality, accounting