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Oxygen purification and regeneration equipment in multi-tower molecular sieve oxygen generation system and use method of oxygen purification and regeneration equipment

A technology of oxygen production system and regeneration equipment, which is applied in the field of oxygen production system, can solve the problems of poor use effect and inability to collect oxygen, and achieve the effect of increasing oxygen concentration

Pending Publication Date: 2022-05-27
WEIHAI DONGXING ELECTRONICS +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] The object of the present invention is to provide oxygen purification and regeneration equipment and its use method in the multi-tower molecular sieve oxygen production system, to solve the problem that the pressure of unqualified oxygen is lower than that of compressed air. Compressed air sources are collected, so the problem of poor use effect

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  • Oxygen purification and regeneration equipment in multi-tower molecular sieve oxygen generation system and use method of oxygen purification and regeneration equipment
  • Oxygen purification and regeneration equipment in multi-tower molecular sieve oxygen generation system and use method of oxygen purification and regeneration equipment

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Embodiment 1

[0034] see figure 1 In the embodiment of the present invention, the oxygen purification and regeneration equipment in the multi-tower molecular sieve oxygen production system and its use method are described with two towers instead of multiple adsorption towers. The two-tower structure includes at least two adsorption towers filled with zeolite molecular sieves. 1 and adsorption tower two 7, the air inlet of adsorption tower one 6 communicates with pressure equalizing tower 12 through solenoid valve V1, and the air inlet of pressure equalizing tower 12 is connected with compressor 5, secondary filter 4, dehumidifier 3 and one in turn. Stage filter 2, the air inlet of the first stage filter 2 is communicated with the air inlet pipe 1, the air inlets of the adsorption tower one 6 and the adsorption tower two 7 are all connected with the rotary valve 9, and the rotary valve 9 is communicated with the bacterial filter 10 air inlet and The air outlet of the oxygen buffer tower 8 is...

Embodiment 2

[0039] see figure 2 The difference between the embodiment of the present invention and the first embodiment is that an intelligent rotary valve is used instead of a solenoid valve or a one-way valve, an oxygen buffer tank is provided at the oxygen outlet, and 4-6 adsorption towers are provided, each with the intelligent rotary valve. The valve is connected and set separately, and the oxygen in the oxygen buffer tower 8 is transported to different adsorption towers through the intelligent rotary valve for secondary purification, so that the oxygen concentration can be rapidly increased.

[0040] Using method of the present invention, the specific implementation process is as follows:

[0041] S1: The air is extracted by the compressor 5, passes through the primary filter 2, the dehumidifier 3, the secondary filter 4 in turn, and finally enters the pressure equalizing tower 12, the solenoid valves V1 and V21 are opened, and the high-pressure air enters the intelligent rotary va...

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Abstract

The invention discloses oxygen purification and regeneration equipment in a multi-tower molecular sieve oxygen generation system and a use method thereof.The equipment comprises a first adsorption tower and a second adsorption tower which are filled with zeolite molecular sieves, a gas inlet of the first adsorption tower is communicated with a pressure equalizing tower through an electromagnetic valve V, and a gas inlet of the pressure equalizing tower is sequentially communicated with a compressor, a secondary filter, a dehumidifier and a primary filter; a gas inlet of the primary filter is communicated with a gas inlet pipe, gas inlets of the adsorption tower I and the adsorption tower II are communicated with a rotary valve, and the rotary valve is communicated with a gas inlet of the bacterial filter and a gas outlet of the oxygen buffer tower. High-purity oxygen which does not meet the oxygen concentration requirement in the oxygen buffer tank is conveyed into the adsorption tower for secondary purification, a large amount of oxygen in the buffer tank can be conveyed into the adsorption tower, and then the following working procedures are carried out, so that secondary purification of unqualified oxygen is realized.

Description

technical field [0001] The invention relates to the technical field of oxygen production systems, in particular to oxygen purification and regeneration equipment in a multi-tower molecular sieve oxygen production system and a method for using the same. Background technique [0002] Molecular sieve oxygen production system: at room temperature, the pressure swing adsorption process is used to separate oxygen and nitrogen in the air by molecular sieve, thereby extracting oxygen. The principle is: using molecular sieve physical adsorption and desorption technology, the oxygen generator is filled with molecular sieve, which can adsorb nitrogen in the air when pressurized, and the remaining unabsorbed oxygen is collected, and it becomes high-purity oxygen after purification. . The molecular sieve discharges the adsorbed nitrogen back into the ambient air during decompression, and can absorb nitrogen and produce oxygen during the next pressurization. The whole process is a period...

Claims

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Application Information

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IPC IPC(8): C01B13/02
CPCC01B13/027C01B13/0259C01B2210/0068C01B2210/0062C01B2210/0028C01B2210/0046
Inventor 张立刚
Owner WEIHAI DONGXING ELECTRONICS
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