A production process of krypton and xenon gas and its production line

A production process and production line technology, applied in the production of bulk chemicals, inert gas compounds, specific gas purification/separation, etc., can solve the problems of low preparation purity and poor heat exchange effect, and achieve full reaction and improved full contact Effect

Active Publication Date: 2019-10-01
衢州杭氧特种气体有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a production process of krypton and xenon and its production line, aiming to solve the problems of low preparation purity and poor heat exchange effect in the above-mentioned background technology

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  • A production process of krypton and xenon gas and its production line
  • A production process of krypton and xenon gas and its production line
  • A production process of krypton and xenon gas and its production line

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Embodiment 1

[0033] like figure 1 As shown, the present invention discloses a production process of krypton and xenon, which is characterized in that: comprising the following steps:

[0034] (1) Separating 1# and 2# air-separated liquid oxygen containing poor krypton and xenon into the liquid oxygen storage tank, entering the lean krypton tower through the liquid oxygen pump, initially concentrating in the lean krypton tower, pumping out and compressing to supercritical pressure;

[0035] (2) Send the initially concentrated liquid oxygen containing krypton and xenon to the oxygen vaporization heat exchanger for vaporization, and the temperature rises to normal temperature. The vaporized oxygen is throttled to 1.0MPa(A) through the high-pressure throttle valve, and then sent to the The oxygen regenerator exchanges heat with the high-temperature recirculating oxygen, and enters the electric heater for heating, and the temperature reaches 450°C;

[0036] (3) The heated liquid oxygen contain...

Embodiment 2

[0043] like Figure 2~Figure 6 As shown, the present invention discloses a production line for krypton and xenon gas production processes. In a specific embodiment of the present invention, it includes liquid oxygen storage tank 1, liquid oxygen pump 2, lean krypton tower 3, oxygen vaporization heat exchange device 4, high-pressure throttle valve 5, methane reaction furnace 6, oxygen regenerator 7, molecular sieve adsorber 8, precooling heat exchanger 9, krypton-xenon concentration tower 10 and krypton-xenon separation tower 11, the krypton-xenon separation tower 11 is respectively connected with pure xenon tower 13 and pure krypton tower 12, and pure xenon tower 13 and pure krypton tower 12 are all connected with vaporization filling bottle 14.

[0044] In a specific embodiment of the present invention, the methane reaction furnace 6 includes a furnace body 61, the upper part of the furnace body 61 is provided with a feed inlet 611, the lower part of the furnace body 61 is pr...

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Abstract

The invention relates to a production technological process of krypton and xenon. The production technological process mainly aims to extract a krypton gas product and an xenon gas product from liquidoxygen containing krypton and xenon. By mainly utilizing a discharging device in a molecular sieve adsorber, staged purification and adsorption on the liquid oxygen are realized; moreover, through integrally-arranged pre-cooling heat exchanger, good pre-cooling and heat exchange environments are realized. The production technological process of the krypton and the xenon has the beneficial effectsthat the purity of the prepared krypton and xenon gas is high.

Description

technical field [0001] The invention relates to the technical field of gas production, in particular to a krypton and xenon gas production process and a production line thereof. Background technique [0002] Xenon refers to a gas widely used in the electronics and electric light source industries. Compared with argon-filled bulbs of the same power, bulbs filled with xenon gas have the advantages of high luminous rate, small size, long life, and power saving. Because of its particularly strong ability to penetrate fog, it is often used as a foggy navigation light, and is widely used in airports, stations, and docks. The concave surface of the xenon lamp can generate 2500°C high temperature after focusing, which can be used for welding or cutting refractory metals such as titanium and molybdenum. In medicine, xenon is a contrast agent for deeply anesthetic X-ray photography without side effects. [0003] Krypton refers to a gas that is widely used in the electronics industr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B23/00
CPCC01B23/0094C01B2210/0035C01B2210/0037C01B2210/0042Y02P20/54
Inventor 毛玲玲柴晓明徐庆松李春胜楼阳晓崔静涛叶长宇郭增军汪雨土
Owner 衢州杭氧特种气体有限公司
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