Furnace gas purification device
An air purification device and furnace gas purification technology, which is applied in the direction of combined devices, climate change adaptation, gas treatment, etc., can solve the problems of short activation time, low purification efficiency of purification devices, and reduced activity of getter materials, and achieve high activity, Efficient suction and purification ability, the effect of high suction capacity
Inactive Publication Date: 2018-12-11
东营骐丰钛业科技有限公司 +1
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Problems solved by technology
In the above technical solution, the titanium sponge is directly placed on the electrode, and the electrolyte vapor is easily condensed on the surface of the getter material, and the activity of the getter material is reduced, or even completely lost.
[0008] In order to overcome the problems of low purification efficiency, short active time, and inability to filter furnace gas and dust in the purification device in the electrochemical reactor, the present invention provides a high-activity and high-efficiency getter material, and at the same time provides a continuous, capable A purification device that replaces the getter material and efficiently removes residual impurity gas and electrolyte volatile dust in the furnace gas
Method used
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[0024] For ease of understanding, here is a description of the device:
[0025] High-temperature vacuum tube (3): Material: 310s stainless steel, the outer surface is coated with a high-temperature anti-oxidation coating to prevent high-temperature oxidation. 310s stainless steel is a kind of high temperature resistant stainless steel, but it will be oxidized by furnace gas to form oxide scale after working at 1100℃ for a long time, especially after the weld is severely oxidized, the gaps of welding slag are easily exposed, forming air leaks. Once the furnace gas enters the high-temperature vacuum tube, it reacts quickly with the getter material, seriously poisoning the getter material, and causing the getter material to fail. Micropore air leakage is generally difficult to be found during operation, so it is necessary to apply a high-temperature anti-oxidation coating.
[0026] Titanium-zirconium alloy getter material (4): titanium content 80%, zirconium content 20%, titaniu...
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Abstract
The invention provides a furnace gas purification device, which uses high-purity zirconium titanium alloy as gas suction materials and provides efficient air suction purification capability. The zirconium titanium alloy belongs to a gas suction material with high activity and high gas suction efficiency. The work temperature of the air suction material is precisely controlled; the best effect of the gas suction material is sufficiently achieved; an external vacuum blast blowing device is used; the forced convection of the electrochemical reactor atmosphere is realized, so that the gas suctionmaterial is in sufficient contact with the atmosphere in an electrochemical reactor, so that the best gas suction effect is ensured. Through a dust filtering device, the furnace gas dust is sufficiently filtered; the gas suction material is prevented from being toxified by dust and losing the activity; therefore the goal that the material maintains high activity and high gas suction capability fora long time is achieved.
Description
technical field [0001] The invention is applied to the field of electrolytic purification of nuclear-grade high-purity zirconium, and specifically relates to a method and device for purifying nuclear-grade high-purity zirconium electrochemical reactor furnace gas. Background technique [0002] Zirconium and its alloy materials have unique properties such as high temperature resistance, corrosion resistance, and small thermal neutron absorption cross section. In the atomic energy industry, zirconium alloys are used as reactor cladding and structural materials. Zirconium metal and its alloy materials are also widely used in aviation, aerospace, energy, chemical industry, metallurgy, electronics, light industry, machinery, medical and other fields. In the world's major zirconium and hafnium producing countries, the industrialization of zirconium and hafnium is closely linked with the nuclear industry. [0003] Zirconium and hafnium are naturally symbiotic, and they belong to G...
Claims
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IPC IPC(8): B01D46/00B01D50/00B01D53/18C25C3/26C25C7/06
CPCB01D53/18C25C3/26C25C7/06B01D2257/80B01D2257/502B01D2257/108B01D2257/104B01D2257/102B01D46/56B01D50/20Y02A50/2351
Inventor 贾文成胡国静
Owner 东营骐丰钛业科技有限公司