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Anthracene oil hydrogenating circulating hydrogen recycling and purifying device

A technology of hydrogen circulation and anthracene oil, which is applied in the directions of hydrogen separation, liquid contact hydrogen separation, and dispersed particle separation, etc., can solve the problems of poor economy of hydrogen combustion in anthracene oil hydrogenation cycle, pollution of combustion gas emission, etc., and achieve saving of raw materials The effect of increasing the amount of hydrogen, increasing the recycling rate, and increasing the purity of hydrogen

Inactive Publication Date: 2017-01-11
HEBEI XINQIYUAN ENERGY TECH DEV
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  • Claims
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AI Technical Summary

Problems solved by technology

[0004] The invention provides an anthracene oil hydrogenation cycle hydrogen recovery and purification device to solve the problems in the prior art that the hydrogen combustion economy of the anthracene oil hydrogenation cycle is poor and the combustion gas discharge pollutes the environment

Method used

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  • Anthracene oil hydrogenating circulating hydrogen recycling and purifying device

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Embodiment Construction

[0012] As shown in the figure, an anthracene oil hydrogenation cycle hydrogen recovery and purification device includes a desulfurization mechanism and a pressure swing adsorption mechanism. The desulfurization mechanism consists of a desulfurization solvent tank 1, a solvent circulation pump 2 and a desulfurization tower 3. The pump 2 is connected with the upper part of the desulfurization tower 3, the inlet of the lower part of the desulfurization tower 3 is connected with the anthracene oil discharge hydrogen pipeline and the fluidized bed discharge hydrogen pipeline, the bottom outlet of the desulfurization tower 3 is connected with the filter 6, and the pressure swing adsorption mechanism is composed of cryocooler 4 and two Two parallel pressure swing adsorption tanks 5 are formed, the desulfurization tower 3 top gas outlet is connected with cryocooler 4, the outlet of cryocooler 4 is connected with parallel pressure swing adsorption tank 5, and the bottom outlet of cryocoo...

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Abstract

The invention relates to an anthracene oil hydrogenating circulating hydrogen recycling and purifying device. The device comprises a desulphurization mechanism and a variable pressure adsorption mechanism, wherein the desulphurization mechanism comprises a desulphurization solvent slot, a solvent circulating pump and a desulphurization tower, the desulphurization solvent slot is connected with the upper part of the desulphurization tower by virtue of the solvent circulating pump, an inlet in the lower part of the desulphurization tower is connected with an anthracene oil discharging hydrogen pipeline and a fluidized bed discharging hydrogen pipeline, an outlet in the bottom of the desulphurization tower is connected with a filter, the variable pressure adsorption mechanism is composed of a deep freezer and two variable pressure adsorption tanks which are connected in parallel, a gas outlet in the top of the desulphurization tower is communicated with the deep freezer, an outlet of the deep freezer is connected with the variable pressure adsorption tank which are connected in parallel, and an outlet in the bottom of the deep freezer is connected with the filter. The anthracene oil hydrogenating circulating hydrogen recycling and purifying device greatly improves anthracene oil hydrogenating circulating hydrogen recovery utilization rate, raw material hydrogen amount of a hydrogenating device is saved through recycling, and hydrogen purity of a reaction system is improved, intra-system hydrogen partial pressure is guaranteed, forward reaction of a catalyst is promoted, and the device provided by the invention has the advantages of reasonable design, easy operation, energy conservation and environmental protection.

Description

technical field [0001] The invention relates to the technical field of anthracene oil hydrogenation production, in particular to a hydrogen recovery and purification device for hydrogenation cycle of anthracene oil. Background technique [0002] Anthracene oil, the English name is Anthracene oil, CAS No. 90640-80-5, mainly used to extract crude anthracene, phenanthrene, fluorene, acenaphthene, carbazole and other products, and can also be used to produce carbon black, wood preservative oil and pesticides In recent years, the rapid development of anthracene oil hydrogenation and cracking to produce naphtha and diesel technology has opened up the application and value of anthracene oil. [0003] At present, the anthracene oil hydrogenation unit regularly discharges circulating hydrogen in order to improve the purity of circulating hydrogen. Now the discharged hydrogen passes through the dry gas desulfurization system and then discharges hydrogen as fuel gas into the fuel gas p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B3/52B01D53/78B01D53/48B01D53/047
CPCC01B3/52B01D53/047B01D53/48B01D53/78
Inventor 郑拥军张胜许建云范艳斌张文超田风宾刘永亮王星杰刘建伟于华丽
Owner HEBEI XINQIYUAN ENERGY TECH DEV
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