Device and method for refinery catalytic regeneration flue gas Venturi scrubbing desulphurization

A Venturi washing and regenerating flue gas technology, applied in chemical instruments and methods, separation methods, water/sludge/sewage treatment, etc., can solve problems such as frequent maintenance and maintenance, and achieve the effect of small footprint and low investment

Inactive Publication Date: 2015-05-27
DALIAN KANGSAIPU TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to avoid the shortcomings and deficiencies in the above-mentioned technologies, the purpose of the present invention is to provide a refinery catalytic regeneration flue gas Venturi scrubbing desulfurization device and method, to avoid frequent failures caused by the refinery catalytic regeneration flue gas desulfurization section system failure Overhaul and maintenance, which solves the problem of long-term and stable desulfurization of flue gas in the catalytic regeneration section of the refinery, and ensures that the catalytic regeneration flue gas desulfurization section of the refinery is mature, stable, efficient and energy-saving, and runs stably for a long period of time

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  • Device and method for refinery catalytic regeneration flue gas Venturi scrubbing desulphurization

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with accompanying drawing.

[0023] A refinery catalytic regeneration flue gas Venturi scrubbing and desulfurization device, which consists of a Venturi scrubbing device 1, a packed tower 2, a chimney 3, a circulation pump 4, a drainage pump 5, a settler 6, a sewage pump 7, and an aeration tank 8 , filter press 9 forms;

[0024] The Venturi scrubber 1 is connected to the inlet of the packed tower 2; the gas phase outlet of the packed tower 2 is connected to the chimney 3; the liquid phase outlet of the packed tower 2 is connected to the inlet of the circulation pump 4; the circulation pump 4 The outlet is connected to the inlet of the Venturi washing device 1; the outlet of the packed tower 2 is connected to the inlet of the drainage pump 5, and the outlet of the drainage pump 5 is connected to the inlet of the settler 6; the outlet of the upper part of the settler 6 It is connected to the inlet of th...

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Abstract

The invention discloses a device and method for refinery catalytic regeneration flue gas Venturi scrubbing desulphurization. The device comprises a Venturi scrubbing device, a filler tower, a chimney, a circulating pump, a draw-off pump, a settlement device, a dirty solution pump, an aeration tank and a filter press. The device utilizes the Venturi scrubbing device to realize catalytic regeneration flue gas desulphurization, and the scrubbing absorption liquid subjected to aeration and press filtration satisfies discharge standards and is discharged and embedded. The device for Venturi scrubbing desulphurization is in a direct abutting joint relationship with an upstream device, is free of change of an upstream flue gas turbine and a waste heat boiler, and adopts a desulphurization device suitable for working conditions of large fluctuation of refinery catalytic regeneration system sulfur dioxide discharge capacity and content so that operation elasticity is large.

Description

technical field [0001] The invention relates to a refinery catalytic regeneration flue gas Venturi scrubbing desulfurization device and method, mainly a wet Venturi scrubbing device for catalytic regeneration flue gas desulfurization, and then through sedimentation, aeration and pressure filtration treatment to realize sewage, sewage A device and method for treating mud up to standard. [0002] Background technique [0003] The flue gas emitted by the FCC regenerator has gradually become the largest source of air pollution in refineries. The pollutants include sulfur oxides (SOx), oxidation (NO), particulate matter and CO, etc. SOx is the most concerned, and SOx emitted by refineries accounts for about Its total emission is 6%~7%, while the SOx emitted by catalytic cracking accounts for about 5%; the "Guidelines for the Key Areas of High-tech Industrialization with Priority Development" formulated by my country's National Development Planning Commission and the Ministry of S...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/18B01D47/00C02F9/04
CPCY02P70/10
Inventor 鞠洪建
Owner DALIAN KANGSAIPU TECH DEV
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