Method and device for highly purifying gas

A purification device and gas technology, applied in chemical instruments and methods, separation methods, dispersed particle separation, etc., can solve the problems of affecting, reducing the efficiency of purified working gas, and difficult to eliminate the hidden danger of gradual oxidation of alkali metals, etc. It has the effect of practicality and simple structure

Active Publication Date: 2013-09-18
武汉中科极化医疗科技有限公司
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Problems solved by technology

However, the results of its use show that: 1) it can slow down the oxidation process of alkali metals in the laser prepolarization system of magnetic resonance contrast agents, but it is still difficult to eliminate the hidden danger of gradual oxidation of alkali metals; 2) when they are newly installed, due to The different sizes of the deoxygenation capacity wi

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  • Method and device for highly purifying gas

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Embodiment Construction

[0040] The following combination figure 1 Shown device structure, the present invention is described, and protection scope of the present invention is not limited to figure 1 The structure shown, what those skilled in the art implement according to the record of the claims of the present invention is different from figure 1 The structures shown are also within the protection scope of the present invention.

[0041] Such as figure 1 As shown, the non-magnetic casing 6 is made of aluminum in a box-like structure; the non-magnetic casing 6 is provided with a fixed insulation layer 7; the insulation layer 7 is made of PEEK material. Guarantee that the operating temperature of the device of the present invention is not lost.

[0042] A non-magnetic purification container is arranged in the cavity formed by the housing 6 . In this embodiment, the non-magnetic purification container includes a first pipeline 16 , and the first pipeline 16 extends out of the housing 6 . The first ...

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Abstract

The invention discloses a method and a device for highly purifying gas. The method comprises the steps that: alkali metal in a closed container is heated to produce alkali metal atom steam, then gas required to be purified is fed into the container, and alkali metal surface, the alkali metal atom steam and water, oxygen and oxygen impurities contained in the gas required to be purified are subjected to reaction and purification; the gas required to be purified flows out of the container after reaction and purification. The device has excellent property of highly gas purifying, particularly has pertinency, and eliminates the hidden danger that alkali metal in a laser pre-polarization system of a magnetic resonance contrast medium is oxidized. The method can be applied to the manufacture of similar operating systems or devices containing alkali metal, such as highly purifying working gas of atomic steam bubbles in an atomic frequency standard, an atomic filter, an atomic magnetometer and other systems.

Description

technical field [0001] The invention belongs to the field of gas purification, and specifically relates to a highly purified gas purification method based on the chemical reaction of alkali metals and their alkali atom vapors with impurities such as trace water and oxygen in the gas, and provides a safe and stable anti-oxidation The gas purification device is especially suitable for the laser prepolarization system of the magnetic resonance contrast agent in the continuous flow and intermittent working mode. Background technique [0002] Magnetic resonance contrast agents (such as 3 He, 129 Xe and other inert gases) after laser prepolarization, can improve the detection sensitivity of contrast agents by ~100,000 times, and it is expected to establish a new scientific research or clinical equipment for the visualization of lung and brain functions. [0003] For the laser prepolarization system of magnetic resonance contrast agents that work in continuous flow or intermitten...

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Application Information

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IPC IPC(8): B01D53/81B01D53/76B01D46/30
Inventor 孙献平李海东赵修超李昭周欣
Owner 武汉中科极化医疗科技有限公司
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