充氮气机

LCN系列充氮气机

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2022-08-03 13:42:16
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富阳市乐成气体设备有限公司

富阳市乐成气体设备有限公司

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产品简介

氮气机,它具有工艺流程简单、占地小、投资省、操作简单,维护方便等优点,产品氮气纯度可按实际需要任意调节,装置适应性好。整套装置连续循环操作,可*实现自动化。

详细介绍

氮气机

氮气机的销售:,

氮气机的制取是以空气为原料,将其中的氧和氮气分离而获得,通常难以同其它物质发生化学反应,表现为很大的惰性,被广泛用于保护气体。

氮气机主要性能参数:1)、氮气产量:  0.55000Nm3/h2)、氮气纯度:  95%99.9995%3)、氮气压力:  00.5 MPa(可调)4)、氮气露点:  -405)、工作压力:  0.8MPa6)、电    耗:   60W

氮气机的流程:

空气经空气过滤器清除灰尘和机械杂质后进入空气压缩机,压缩至所需压力,经严格的除油、除水、除尘净化处理,输出洁净的压缩空气,目的是确保吸附塔内分子筛的使用寿命。装有碳分子筛的吸附塔共有二个,一个塔工作时,另一个塔则减压脱附。洁净空气进入工作吸附塔,经过分子筛时氧、二氧化碳和水被其吸附,流至出口端的气体便是氮气及微量的氩和氧。另一塔(脱附塔)使已吸附的氧气、二氧化碳和水从分子筛微孔中脱离排至大气中。这样两塔轮流进行,完成氮氧分离,连续输出氮气,变压(_bian4 ya1)吸附制取的氮气纯度为95%-99.9995%,y要得到更高的氮气需增加氮气净化设备。变压吸附制氮机输出的95%-99.9995%进入氮气净化设备,同时通过*量计添加适量的氢气,在净化设备的除氧塔中氢和氮气中的微量氧进行催化反应,以除去氧然后经水冷凝器冷却,汽水分离器除水,再通过干燥器深度干燥(两个吸附干燥塔交替使用:一个吸附干燥除水,另一个加热脱附排水),得到高纯氮气,此时的氮气纯度可达99.9995%,目前海内变压吸附制氮zui大的生产能力为5000Mn3/h.

Nitrogen machine process:

Air after air filter dust out and mechanical impurity to air compressors, compressed to the necessary pressure, the strict except oil, in addition to water and dust removal purification treatment, output the clean compressed air, the purpose is to ensure that the adsorption tower in the service life of molecular sieve. Equipped with carbon molecular sieve adsorption tower has two, a tower work, another tower is reduced pressure stripping. Clean air into the work adsorption tower, after the molecular sieve oxygen, carbon dioxide and water is its adsorption, flow to the outlet gas is nitrogen and trace of argon and oxygen. Another column (stripping tower) that has adsorption oxygen, carbon dioxide and water from molecular sieve micro hole from row to the atmosphere. So two tower in turn, complete nitrogen oxygen separation, continuous output nitrogen, variable pressure (_bian4 ya1) adsorption making nitrogen purity is 95% - 99.9995%, y to get higher nitrogen need to increase the nitrogen purification equipment. Psa nitrogen making machine output 95% - 99.9995% into the nitrogen purification equipment, and at the same time through a flowmeter addition of appropriate amount of hydrogen, in purification equipment oxygen tower hydrogen and nitrogen of trace oxygen and catalytic reaction, in order to remove oxygen then by water condenser cooling, soda separator in addition to water, and then through the dryer depth drying (two adsorption drying tower alternate use: a adsorption drying in addition to water, another heating stripping drainage), then get high purity nitrogen, the nitrogen gas purity can reach 99.9995%, at present the psa nitrogen making maximum production capacity of 5000 mn3 / h.

 

氮气小知识:氮气,占空气体积的78%,以单质的形式存在于空气之中,取之不尽,用之不尽,是无色、无毒、无味的惰性气体。

氮气机原理:主要是应用变压吸附原理进行氧、氮分离。碳分子筛是属于速度分离型的吸附剂,当吸附质的性质相差不大时,直径较小的气体分子扩散速度较快,较多的进入分子筛的固相,而直径较大的气体分子扩散速度较慢,较少的进入分子筛的固相,根据碳分子筛的微孔结构特点,当空气进入碳分子筛时,分子直径比氮(3A)稍小的氧(2.8 A)以较快的速度扩散进入碳分子筛孔道,并优先被选择吸附,在吸附初始的短时间内,氧迅速富集于碳分子筛颗粒内部,而氮则因未来得及被吸附,在气相中富集,将其收集于贮罐即制得所需氮。碳分子筛具有加压对氧的吸附量增加,减压时对氧的吸附量减小的特性,因此PSA采用AB两个吸附塔轮流循环工作,流程由PLC可编程控制器进行自动控制。

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