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平顶山地区盛产煤炭,农村使用的老式煤灶多种多样,共同的缺点是炉膛两头小,中间大,风力上不去,废渣不好下,燃料烧不透,浪费煤炭,做饭太慢,伙房烟大不卫生。我们自一九八五年开始,对农村炉灶进行汇集、筛选,并加以改进,研制出密封喇叭式节煤灶,经全国工厂化生产成型节柴省煤炉灶评选大会测试,热效率为62.23％,升温速度为1.97℃/min,蒸发度速为0.043kg/min。经改进后的节煤由炉瓦、炉篦、炉盖、进风筒四个主要部件组成,炉瓦即炉膛,呈喇叭形(如图),用耐火土烧制而成,炉篦和炉盖均用生铁铸成,进风筒可就地取材,炉瓦、炉篦、炉盖等
Pingdingshan area rich in coal, rural use of old coal stove varied, common shortcomings are two small furnace, the middle of large, the wind does not go, the waste is not good, the fuel burn, waste of coal, cooking too slow, Smoke is very unhealthy. Since 1985, we have collected, screened and improved rural stoves and developed sealed horn coal stoves. After being tested at the national factory for the production of coal-fired stoves, the thermal efficiency was 62.23% Heating rate of 1.97 ℃ / min, the evaporation rate of 0.043kg / min. After the improvement of coal by the furnace tile, grate, furnace cover, into the air cylinder composed of four main components, furnace tile that is the hearth, was flared (pictured), with fire-resistant earth fired from the grate and furnace Lids are cast with cast iron, into the air tube can be drawn locally, furnace tile, grate, furnace cover and so on