A Nitrogen Generator with an Oxygen Recovery System
A recovery device and recovery system technology, applied in oxygen preparation, nitrogen purification/separation, dispersed particle separation, etc., can solve problems such as limited applicability, improve efficiency and quality, improve purity and efficiency, and reduce waste.
Active Publication Date: 2017-04-12
杭州天利空分设备制造有限公司
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Problems solved by technology
However, this utility model is applied to the nitrogen generator used in the production of nylon 6 chips, and its structure is different from that of PS adsorption nitrogen generator, so the applicability of this utility model is limited
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[0026] like Figure 2 to Figure 7 As shown, a nitrogen production device with an oxygen recovery system includes a first adsorption tower 1, a second adsorption tower 2 and a finished product tank 3. Both the first adsorption tower 1 and the second adsorption tower 2 are filled with carbon molecular sieves. The top and bottom of the first adsorption tower 1 and the second adsorption tower 2 are respectively connected by a top gas pipeline 26 and a bottom gas pipeline 27, and the top gas pipeline 26 is provided with a ninth on-off valve 28 and a tenth on-off valve. Valve 29, the top gas pipeline 26 between the ninth on-off valve 28 and the tenth on-off valve 29 is connected with a nitrogen output main pipe 30, and the eleventh on-off valve 31 is arranged on the nitrogen output main pipe 30, and the nitrogen output main pipe The end of 30 is connected to the finished product tank 3, the ninth on-off valve 28 controls the nitrogen output of the first adsorption tower 1, and the t...
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The invention discloses a nitrogen production device provided with an oxygen recovery system. The nitrogen production device comprises a first adsorption tower, a second adsorption tower and a finished product tank, wherein tops and bottoms of the first adsorption tower and the second adsorption tower are connected through gas delivery pipelines, valves are arranged on the pipelines, the gas delivery pipeline at the tops of the first adsorption tower and the second adsorption tower is communicated with the finished product tank, a middle-position pipeline is connected between middles of the first adsorption tower and the second adsorption tower, the gas delivery pipeline at the bottoms of the first adsorption tower and the second adsorption tower is communicated with the middle-position pipeline, valves are also arranged on the middle-position pipeline, and an oxygen recovery device is connected onto the gas delivery pipeline at the bottoms of the first adsorption tower and the second adsorption tower. On the basis of the structural arrangement of the nitrogen production device, an asynchronous stepped pressure equalizing process can be implemented, nitrogen production purity and efficiency can be improved during working, high-oxygen gas separated during nitrogen production can also be recovered, and waste of helpful resources is reduced.
Description
technical field [0001] The present invention relates to a kind of gas preparation equipment, more specifically, it relates to a kind of nitrogen making device with oxygen recovery system. Background technique [0002] Pressure swing adsorption nitrogen generator, referred to as PSA nitrogen generator, is an advanced gas separation device and has an irreplaceable position in normal temperature gas production. Nitrogen production using PSA nitrogen production equipment is a high-tech and energy-saving separation technology that directly produces nitrogen from the air at room temperature. It uses compressed air to enter the adsorption tower and undergoes a series of purification such as oil removal, water removal, and dust removal. Nitrogen is separated under the action of pressure swing adsorption. Due to the kinetic effect, the diffusion rate of oxygen on the carbon molecular sieve in the adsorption tower is significantly higher than that of nitrogen. When the adsorption does...
Claims
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IPC IPC(8): B01D53/04C01B21/04C01B13/02
Inventor 侯秋华蒋建荣何彦甫彭海波
Owner 杭州天利空分设备制造有限公司