1) nitrogen fire-proof
氮气防火
1.
his paper determines the rational technical nitrogen fire-proof Parameter in sub-levelcaving after studying the practice of nitrogen fire-proof in sub-level caving at home and abroad,t"hich is important for improving the effect of the nitrogen fire-proof in sub-level caving and givesgreat impetus to the development of the sub-level caving in our country.
根据国内外综放工作面采空区氮气防火技术的应用实践。
2) nitrogen fire prevention and elimination
氮气防灭火
4) N2 annealing
氮气退火
5) nitrogen bottle
氮气罐<火>
6) nitrogen injection
注氮防灭火
1.
Fire prevention and control technique of nitrogen injection is applied to solve the natural problem of coal leaving in the coal gob of fully mechanized caving face of seventh coal mining area on solid Mine 15 # in Guzhuang coal mine.
应用注氮防灭火技术,解决固庄煤矿15#煤层七采区综放工作面采空区遗煤自燃问题,分析其相应的解决对策。
补充资料：DCZc系列氮气纯化设备
技术指标：
纯度≥99.9995%
露点≤-70℃
氧含量≤5ppm
氢含量≤1ppm
特点：
原料气氧含量小于1000ppm时，使用高效脱氧剂除氧，氮气纯度和压力不受氢气影响。
DCZc氮气纯化设备工作原理图
型号规格 | 额定处理气量 | 有效供气量 | 耗氢量 | 装机功率 | 使用功率 | 冷却水 |
Nm3 | Nm3/h | Nm3/h | kw | kw | T/h | |
DCZc-10 | 11 | 10 | 0.028 | 2 | 1.0 | 0.9 |
DCZc-20 | 22 | 20 | 0.06 | 4 | 2.0 | 1.5 |
DCZc-40 | 44 | 40 | 0.11 | 8 | 4.0 | 3.5 |
DCZc-60 | 66 | 60 | 0.17 | 12 | 6.0 | 5.5 |
DCZc-80 | 88 | 80 | 0.22 | 16 | 8.0 | 7.0 |
DCZc-100 | 110 | 100 | 0.28 | 21 | 10.5 | 9.0 |
DCZc-120 | 132 | 120 | 0.33 | 25 | 12.5 | 10.5 |
DCZc-150 | 165 | 150 | 0.40 | 31 | 15.5 | 13.5 |
DCZc-180 | 198 | 180 | 0.50 | 37 | 18.5 | 16.0 |
DCZc-200 | 220 | 200 | 0.55 | 42 | 21.0 | 18.0 |
DCZc-250 | 275 | 250 | 0.69 | 52 | 26.0 | 22.5 |
DCZc-300 | 330 | 300 | 0.83 | 63 | 31.5 | 27.0 |
DCZc-350 | 385 | 350 | 0.96 | 73 | 36.5 | 31.0 |
DCZc-400 | 440 | 400 | 1.10 | 84 | 42.0 | 36.0 |
DCZc-450 | 495 | 450 | 1.25 | 94 | 47.0 | 40.5 |
注：本表所列数据以20℃环境温度，0米标高，80%相对湿度，设备进口氮气纯度为99.5%， 25℃冷却水温度为设计基准。
瑞安市耀星气体净化器材有限公司
地址：浙江省瑞安市塘下镇新陈东路137号
电话：0577-65396358
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参考词条