A crude neon and helium extraction device and extraction method suitable for pumping nitrogen and air separation
An extraction device and extraction method technology, which are applied in the directions of cold treatment separation, solidification, lighting and heating equipment, etc., can solve the problems of low extraction rate of neon and helium in air separation, which will not exceed 60%, and achieve improved economic benefits, convenient operation, The effect of reducing the energy consumption of air separation
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[0022] The present invention will be further described below in conjunction with the accompanying drawings, but the present invention is not limited to the following examples.
[0023] Such as figure 2 Shown is a kind of concrete embodiment of the thick neon-helium extracting device that is applicable to pumping nitrogen air separation of the present invention, and this embodiment is a kind of thick neon-helium extracting device being applicable to pumping nitrogen air separation, comprises air separation tower 1, Depleted neon helium tower 2, thick neon helium tower 3, air separation tower 1 includes a lower tower 4 with liquid nitrogen and an upper tower 5 with liquid oxygen, and a condensing evaporator 6 is connected between the upper tower 5 and the lower tower 4 , a circulation pipeline 7 is connected between the lower end near the top of the depleted neon helium tower 2 and the bottom of the upper tower 5, and the liquid oxygen at the bottom of the upper tower 5 is tran...
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