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Air inlet denitrogen system of oxygenator and control method of air inlet denitrogen system

An oxygen generator, oxygen technology, applied in chemical instruments and methods, oxygen/ozone/oxide/hydroxide, inorganic chemistry, etc., can solve the problems of complicated production and assembly, complicated production process, and increased overall cost, etc. To achieve the effect of improving the effective utilization rate, high oxygen production efficiency and precise control

Pending Publication Date: 2017-12-15
武汉美氧科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, most of the PSA oxygen concentrators currently on the market are piston-mechanical, with many structural parts, complex manufacturing processes, difficult assembly, and unstable operation, making it difficult to meet customer requirements.
Due to the complexity of manufacturing and assembly, the overall cost is increased

Method used

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  • Air inlet denitrogen system of oxygenator and control method of air inlet denitrogen system
  • Air inlet denitrogen system of oxygenator and control method of air inlet denitrogen system
  • Air inlet denitrogen system of oxygenator and control method of air inlet denitrogen system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Embodiment 1: Taking the first sieve chamber 111 to produce oxygen and the second sieve chamber 112 to exhaust nitrogen as an example, the oxygen production process, backflushing nitrogen exhaust process, and overpressure protection process are as follows:

[0024] Oxygen production process

[0025] Such as Figure 4 As shown, the power is turned on, the intake valve 7 is opened, the processor controls to open the first solenoid valve 1, the air enters the first sieve chamber 111 for screening, and the oxygen enters the oxygen storage chamber 113 through the first one-way valve 13, when When the pressure sensor 8 detects that the gas pressure in the oxygen storage chamber 113 is lower than the first threshold (that is, it is judged to be in the state of human inhalation), the processor controls to open the fifth solenoid valve 5, and the oxygen is discharged from the oxygen outlet 9; when the pressure sensor The device 8 detects that the gas pressure in the oxygen stor...

Embodiment 2

[0030] Embodiment 2: When the second sieve chamber 112 produces oxygen and the first sieve chamber 111 exhausts nitrogen, the flow is symmetrical to that of Embodiment 1.

[0031] Oxygen production process

[0032] Turn on the power, the intake valve 7 is opened, the processor controls to open the second solenoid valve 2, the air enters the second sieve chamber 112 for screening, and the oxygen enters the oxygen storage chamber 113 through the second one-way valve 14, when the pressure sensor 8. When it is detected that the gas pressure in the oxygen storage chamber 113 is lower than the first threshold (that is, it is judged as the human body inhalation state), the processor controls to open the fifth solenoid valve 5, and the oxygen is discharged from the oxygen outlet 9; when the pressure sensor 8 detects When the gas pressure in the oxygen storage chamber 113 is greater than the second threshold (that is, it is determined that the human body is exhaling), the processor con...

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PUM

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Abstract

The invention discloses an air inlet denitrogen system of an oxygenator. The system comprises a sifting cylinder, an air inlet, an oxygen outlet and two denitrogen openings, wherein the sifting cylinder comprises two sifting chambers, an oxygen storage chamber, electromagnetic valves and a one-way valve, the sifting chambers are filled with sifting stone, the air inlet is internally provided with an air inlet valve, and the first electromagnetic valve is located between the air inlet and the first sifting chamber and controls gas paths between the air inlet and the first sifting chamber to be opened and closed; the second electromagnetic valve is arranged between the air inlet and the second sifting chamber and controls gas paths between the air inlet and the second sifting chamber to be opened and closed; the third electromagnetic valve is arranged between the first sifting chamber and the denitrogen openings and controls gas paths among the first sifting chamber and the denitrogen openings to be opened and closed; the fourth electromagnetic valve is arranged among the second sifting chamber and the denitrogen openings and controls gas paths among the second sifting chamber and the denitrogen openings to be opened and closed; the fifth electromagnetic valve is arranged between the oxygen storage chamber and the oxygen outlet and controls gas paths between the oxygen storage chamber and the oxygen outlet to be opened and closed; the sixth electromagnetic valve controls gas paths between the first sifting chamber and the second sifting chamber to be opened and closed. The air inlet denitrogen system can precisely control gas flow and runs steadily, and is high in oxygen generation efficiency.

Description

technical field [0001] The invention relates to a pressure swing adsorption type oxygen generator, in particular to an intake nitrogen exhaust system and a control method of the oxygen generator. Background technique [0002] In recent years, due to the rapid development of pressure swing adsorption (PSA) technology, the application field of pressure swing adsorption oxygen production is also becoming wider and wider. Pressure swing adsorption (PSA) air separation oxygen production technology, it realizes the separation of oxygen and nitrogen based on the difference in the adsorption capacity of the adsorbent for oxygen and nitrogen in the air under pressure. When the compressed air enters the bed layer containing the adsorbent, the nitrogen adsorption capacity is strong and the oxygen is not adsorbed, so that a high concentration of oxygen can be obtained at the outlet of the adsorption bed. PSA oxygen production technology uses air as the raw material for oxygen productio...

Claims

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Application Information

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IPC IPC(8): C01B13/02
CPCC01B13/0259C01B2210/0028
Inventor 代家慧
Owner 武汉美氧科技有限公司