This technology is a good way for medium and small nitrogenous fertilizer plants based on lump anthracite to reduce their cost of chemical fertilizers.
该技术是以无烟块煤为原料的中、小氮肥厂降低化肥成本较佳的途径。
The water heater with self-tight sealing under high pressure is a new type of equipment used for waste heat recovery from the synthesis system in the small nitrogenous fertilizer plants.
高压自紧密封水加热器是用于小氮肥厂合成系统余热回收的一种新型设备。
The internals have been adopted by over 60 small scale nitrogenous fertilizer plants (including 600,800 and 1000 converters) since early 1993 with satisfactory results.
自1993年初以来，该内件经60余家小氮肥企业使用(包括600、800及1000塔)，均已取得了令人满意的效果。
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