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Flue gas desulfurization and denitrification treatment device for tubular furnace

A technology for desulfurization, denitrification, and treatment devices, which is applied in gas treatment, dispersed particle separation, membrane technology, etc., can solve problems such as non-compliance with emission standards, and achieve the effects of easy structural design, low investment, and convenient manufacturing and installation.

Pending Publication Date: 2021-10-01
SHANDONG SHIHENG SPECIAL STEEL GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

After testing, the content of SO2 in the flue gas after combustion is about 300mg / m 3 , both exceeding the current national standard GB16171-2012 "Coking Chemical Industry Pollutant Discharge Standard" and the local standard DB37 / 2376-2019 "Regional Air Pollutant Discharge Standard" issued by Shandong, which is not more than 30mg / m 3 ; Does not meet national and local emission standards

Method used

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  • Flue gas desulfurization and denitrification treatment device for tubular furnace

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Embodiment Construction

[0010] This device is composed of frequency conversion fan, frequency converter, pressure transmitter, automatic quick cut valve, flue gas collection cover, pipeline and so on. Make a gas collection hood and install it on the top of the chimney for flue gas collection; install a pressure transmitter on the top gas collection hood, and interlock the suction setting (-160Pa) with the fan operating frequency; install a fan on the ground , laying pipes to connect the gas collecting hood with the inlet of the fan, laying pipes at the outlet of the fan to connect the catalyst chamber of the desulfurization and denitrification system of the power plant; one automatic quick-cut valve is installed at the inlet and outlet of the fan, which is used for effective cut-off in the maintenance state. After the fan is turned on, the collected flue gas is sent to the desulfurization and denitrification system of the boiler in the power plant for treatment, and the treated flue gas meets the stan...

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Abstract

The invention discloses a flue gas desulfurization and denitrification treatment device for a tube furnace. The flue gas desulfurization and denitrification treatment device consists of a variable-frequency fan, a frequency converter, a pressure transmitter, an automatic quick switching valve, a flue gas collecting cover and a pipeline. According to the device, a gas-collecting hood is mounted at the top of a chimney of a tubular furnace, and a fan is adopted to directly send flue gas into a desulfurization and denitrification system of a boiler in a power generation workshop for treatment. The phenomenon that flue gas of the tubular furnace is directly discharged out of limits is avoided, and the purpose of ultralow flue gas emission is achieved.

Description

technical field [0001] The invention belongs to the technical field of flue gas treatment, and relates to a treatment device for desulfurization and denitrification of flue gas from a tube furnace. Background technique [0002] The benzene elution process in the coking plant uses a tube furnace to heat the rich oil and generate superheated steam for use in the regeneration tower; the tube furnace generally uses coke oven gas combustion as a heating source, and the flue gas generated after combustion is directly discharged to the air. After testing, the content of SO2 in the flue gas after combustion is about 300mg / m 3 , both exceeding the current national standard GB16171-2012 "Coking Chemical Industry Pollutant Discharge Standard" and the local standard DB37 / 2376-2019 "Regional Air Pollutant Discharge Standard" issued by Shandong, which is not more than 30mg / m 3 ; Does not meet national and local emission standards. [0003] Therefore, if the heating process of the tube f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/86B01D53/56B01D53/50
CPCB01D53/8628B01D53/8609B01D2258/0283
Inventor 李亮李培松李希宝荣爱军周秀银李强马玉涛
Owner SHANDONG SHIHENG SPECIAL STEEL GROUP
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