Activated carbon nitrogen desorption system

CN224854256UActive Publication Date: 2026-10-16FOSHAN SHUNDE DISTRICT TENGYUAN ENVIRONMENTAL PROTECTION WATER CO LTD
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Patent Information

Application Number
CN202522113535.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-30
Publication Date
2026-10-16
Estimated Expiration
2035-09-30

AI Technical Summary

Technical Problem

[0002]目前,通过热氮气降低活性炭中的VOCs与活性炭的亲和力,从而将VOCs从活性炭孔隙中“挤”出来,是活性炭脱附的常用手段;但是上述手段具有以下缺点:1、脱附后的高浓度的VOCs与氮气的混合气体需要大量时间进行冷凝才能将VOCs冷凝成液体,耗时久;2、电加热器的加热时间长,且冷凝循环后的氮气温度相对较低,从而延长了氮气降低活性炭中的VOCs与活性炭的亲和力的时间

Benefits of technology

[0007] The advantages of this invention compared to existing technologies are: the activated carbon desorption cycle is relatively short, excess heat is recovered and reused, saving energy, and the dirt after desorption is effectively treated, reducing the occurrence of secondary pollution.

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Abstract

The utility model relates to an active carbon nitrogen desorption system, including hydraulic module and energy storage water tank, its features include nitrogen unit, active carbon steam desorption jar, G G heat exchanger, normal temperature condenser equipment, low temperature condenser equipment, solvent jar, desorption fan, incondensable gas adsorption jar, steam unit, steam heater and electric heater, the gas outlet of active carbon nitrogen desorption jar is connected with the a mouth of G G heat exchanger, the b mouth of G G heat exchanger is connected with normal temperature condenser equipment, normal temperature condenser equipment is connected with low temperature condenser equipment, the liquid outlet of low temperature condenser equipment is connected with solvent jar, the gas outlet of low temperature condenser equipment is connected with the c mouth of G G heat exchanger. Its advantage is that active carbon nitrogen desorption period is relatively shorter, circulates when condensing, and the excess cold quantity is used again, the temperature of nitrogen is improved, the energy consumption of condensation is reduced, the temperature of circulating nitrogen is improved through heating by steam, the time of electric heater heating is reduced, and the efficiency is improved.
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