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Oxygen-argon separator

A separator, oxygen and argon technology, applied in the field of chromatographic separation, can solve problems such as the inability to realize the separation of oxygen and argon

Pending Publication Date: 2021-07-02
北京高麦克仪器科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides an oxygen and argon separator, which is used to solve the problem that the adsorption performance of the adsorbent is oxidized by the substances in the sample after the separation of oxygen and argon for many times. Argon Separation Problems

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] The embodiment of the present invention provides an oxygen-argon separator, such as Figure 1-4 As shown, it includes a separator body 1 and a body upper cover, the separator body 1 is a hollow structure, and the separator body 1 is provided with an oxygen-argon separation column 2 (the oxygen-argon separation column 2 is provided with a selective adsorption molecular sieve) and a heating device, the oxygen-argon separation column 2 is sleeved on the heating device, and the separator body 1 is provided with a sample injector 3, a reducing gas inlet 100 and an outlet 101;

[0056] The reducing gas inlet 100 communicates with one end of the oxygen-argon separation column 2 through one port of the sampler 3 , and the other end of the oxygen-argon separation column 2 communicates with the other port of the sampler 3 . The discharge ports 101 communicate with each other to form a reducing gas path.

[0057] The beneficial effects of the above technical solutions are: the de...

Embodiment 2

[0060] On the basis of the above Example 1, as Figure 1-4 As shown, a chromatograph 4 is provided on the outside of the separator body 1. The chromatograph 4 is provided with a chromatographic air inlet 400 and a chromatographic air outlet 401. The separator body 1 is provided with a chromatographic output port 402 and a chromatographic input port. port 403, the chromatographic air inlet 400 is connected to the chromatographic output port 402, and the chromatographic air outlet 401 is connected to the chromatographic input port 403;

[0061] The separator body 1 is provided with a power switch 102, the heating device is a heating column 103, the oxygen-argon separation column 2 is sleeved on the heating column 103, the power switch 102 and the heating device 103 electrical connection;

[0062] The separator body 1 is provided with a carrier gas port 104 and a switch device. The switch device includes a three-way switch 105 and a needle valve 106. The three-way switch 105 inc...

Embodiment 3

[0071] On the basis of Embodiment 1 or 2, a carrying handle 5 is provided on the upper cover of the main body, and the carrying handle 5 includes a handle body 500 and two symmetrically arranged buffer adjustment devices, and the buffer adjustment device includes a sliding plug groove 501 , a sliding plug 502, a sliding plug rod 503 and a buffer spring 504, the sliding plug groove 501 is set in the upper cover of the body, the sliding plug 502 is slidably connected in the sliding plug groove 501, and the sliding plug rod 503 is coaxially arranged in the sliding plug groove 501, one end of the sliding plug rod 503 is fixedly connected with the sliding plug 502, the other end of the sliding plug rod 503 is hingedly connected with the handle body 500, the buffer The spring 504 is disposed in the sliding plug groove 501 and sleeved on the sliding plug rod 503 .

[0072] The beneficial effects of the above technical solutions are: the design of the carrying handle 5 facilitates the...

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Abstract

The invention provides an oxygen-argon separator which comprises a separator body and a body upper cover, the separator body is of a hollow structure, an oxygen-argon separation column and a heating device are arranged in the separator body, the heating device is sleeved with the oxygen-argon separation column, and a sample injector, a reducing gas inlet and a reducing gas outlet are formed in the separator body; the reducing gas inlet is communicated with one end of the oxygen-argon separation column through one port of the sample injector, and the other end of the oxygen-argon separation column is communicated with the exhaust port through the other port of the sample injector. The problems that a solid-phase adsorbent possibly needs to be replaced after oxygen-argon separation at present, operation is complex, and resources are wasted are solved. The special molecular sieve type packed column is adopted, argon and oxygen can be separated at the temperature higher than the room temperature, the loading capacity of the special molecular sieve type packed column is far higher than that of a molecular sieve PLOT capillary column, the special molecular sieve type packed column can be used for a conventional semi-diffusion type TCD detector, hydrogen or helium can serve as carrier gas, constant or trace oxygen / argon can be separated, and the trace argon content in high-purity oxygen can be analyzed.

Description

technical field [0001] The invention relates to the technical field of chromatographic separation, in particular to an oxygen-argon separator. Background technique [0002] Gas chromatography is a new separation and analysis technology that has been widely used in industry, agriculture, national defense, construction and scientific research in recent years. The invention relates to gas-solid chromatography. Gas-solid chromatography refers to a chromatographic separation method in which the mobile phase is a gas and the stationary phase is a solid substance. Due to the fast transfer of the sample in the gas phase, the sample components can reach equilibrium between the mobile and stationary phases instantaneously. In addition, there are many substances that can be selected as stationary phase, so gas chromatography is a separation and analysis method with fast analysis speed and high separation efficiency. In recent years, the use of high-sensitivity and selective detectors...

Claims

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Application Information

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IPC IPC(8): B01D53/04G01N30/54
CPCB01D53/0407B01D53/0438B01D53/0454G01N30/54B01D2253/108B01D2256/12B01D2256/18
Inventor 牛艳东王冲
Owner 北京高麦克仪器科技有限公司
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