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A device for synthesizing nitrogen oxides by air plasma

A plasma, nitrogen oxide technology, applied in nitrogen compounds, chemical/physical process, chemical/physical/physical chemical process, etc., can solve the limitation of plasma nitrogen fixation technology application, complicated discharge device fabrication, and inability to bring economic benefits and other problems, to achieve the effect of improving the generation efficiency, improving the nitrogen fixation efficiency and high practicability

Active Publication Date: 2022-05-13
CHONGQING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the nitrogen fixation efficiency of the above studies is far lower than that of the Haber-Bosch method, which cannot bring economic benefits, and some discharge devices are complicated to manufacture and difficult to achieve mass production. These factors have greatly limited the existing plasma nitrogen fixation. application of technology

Method used

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  • A device for synthesizing nitrogen oxides by air plasma
  • A device for synthesizing nitrogen oxides by air plasma
  • A device for synthesizing nitrogen oxides by air plasma

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Such as figure 1 As shown, a device for synthesizing nitrogen oxides by air plasma is proposed in this embodiment, including a high-voltage end fixed block 1 and a grounded end fixed block 2, and a high-voltage electrode 4 is respectively fixed on the high-voltage end fixed block 1 and the grounded end fixed block 2 and the grounding electrode 5, the side of the high-voltage end fixing block 1 and the grounding end fixing block 2 are fixedly installed with the same dielectric tube 3, and the ends of the high-voltage electrode 4 and the grounding electrode 5 that are close to each other extend into the dielectric tube 3, and the medium The heat dissipation mechanism 9 and the cooling container 10 are fixedly set on the pipe 3, the displacement control platform 8 is fixedly installed on the bottom of the ground electrode 5, and the high voltage power supply 7, the high voltage electrode 4 and the high voltage power supply 7 are connected to one side of the high voltage end...

Embodiment 2

[0034] The high-voltage electrode 4 runs through the high-voltage end fixing block 1 and is fixedly connected with the high-voltage end fixing block 1 , and the ground electrode 5 runs through the grounding end fixing block 2 and is slidably connected with the grounding end fixing block 2 .

[0035] The sides of the high-voltage end fixing block 1 and the grounding end fixing block 2 are provided with threaded holes, and the inner threads of the two threaded holes are fixed with the same connecting bolt 6. The cooling container 10 is provided with a water inlet hole and a water outlet hole. The water inlet hole is located below the water outlet hole.

[0036] The high-voltage end fixing block 1 and the grounding end fixing block 2 are respectively provided with a high-pressure end gas inlet 11 and a grounding end gas inlet 21, and both the high-pressure end gas inlet 11 and the grounding end gas inlet 21 are connected to the medium pipe 3, The sides of the high-voltage end fix...

Embodiment 3

[0043] Such as Figure 6 As shown, the difference from Embodiment 1 lies in that the shape of the medium pipe 3 is adjusted, and the internal apertures are the same, making it more convenient to manufacture and lower in cost.

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Abstract

The invention belongs to the technical field of plasma generating equipment, in particular to an air plasma nitrogen oxide synthesis device, comprising a high-voltage end fixed block and a grounded end fixed block, and the high-voltage end fixed block and the grounded end fixed block are respectively fixed with high-voltage electrodes and the grounding electrode, the side of the high-voltage end fixing block and the grounding end fixing block that are close to each other is fixedly installed with the same dielectric tube, and the ends of the high-voltage electrode and the grounding electrode that are close to each other extend into the medium tube, and the medium tube The fixed sleeve is provided with a heat dissipation mechanism and a cooling container, a displacement control platform is fixedly installed at the bottom of the ground electrode, and a high voltage power supply is connected to one side of the fixed block at the high voltage end. The invention uses an intersecting air flow field to promote the air to pass through the plasma region and participate in the plasma process to improve the generation efficiency of nitrogen oxides; it can be combined with an external cooling method to effectively reduce the high temperature in the plasma region and further improve the generation of nitrogen oxides efficiency.

Description

technical field [0001] The invention relates to the technical field of plasma generating equipment, in particular to an air plasma synthesis nitrogen oxide device. Background technique [0002] Plasma is the fourth state of matter besides solid, liquid, and gas. When the temperature of the gaseous substance is raised to a certain value, the gaseous molecules will be ionized due to the violent collision with each other, thereby producing a similar number of positive ions and electrons, so the plasma is composed of a large number of positive ions, electrons and neutral particles. The electrically neutral mixture (highly ionized gas), is thus called a plasma. [0003] Nitrogen is an important element needed to sustain life, and nitrogen fixation is the process of converting free nitrogen in the air into nitrogen-containing compounds. At present, the Haber-Bosch process is the most commonly used in industry, but the Haber-Bosch process needs to consume a large amount of global...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J19/08C01B21/20
CPCB01J19/088C01B21/20
Inventor 宋一嘉熊青汪传奇乔俊杰王大智杨琦
Owner CHONGQING UNIV
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