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Monitoring and managing system for flue gas desulfurization and denitration process

A management system and process monitoring technology, applied in the denitration process monitoring and management system and the field of flue gas desulfurization, can solve the problems of unwillingness to desulfurization transformation of power plants, low-price bidding, high operating costs, large engineering investment, etc., to ensure scientific and Safety, Ease of Judgment and Statistical Effects

Active Publication Date: 2016-07-06
福建省恒创环保科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Due to the low level of localization of the desulfurization system, large project investment, and high operating costs, the power plant is unwilling to carry out desulfurization transformation, bids at low prices, or even installs desulfurization facilities and does not operate

Method used

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  • Monitoring and managing system for flue gas desulfurization and denitration process
  • Monitoring and managing system for flue gas desulfurization and denitration process
  • Monitoring and managing system for flue gas desulfurization and denitration process

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Embodiment 1

[0063] The flue gas desulfurization method in the present invention adopts a conventional limestone-gypsum wet desulfurization process.

[0064] Such as Figure 1-3 As shown, a flue gas desulfurization process monitoring and management system in the present invention includes a flue gas desulfurization system 1 and a monitoring and management system 2 . The monitoring management system 2 monitors the operation process of the flue gas desulfurization system 1 . The flue gas desulfurization system includes a flue gas system 11, a limestone slurry preparation and delivery system 12, an absorption tower system 13, a gypsum dehydration and storage system 14, a process water system 15, a compressed air system, and an electrical instrument and control system.

[0065] The outlet flue of the flue gas system 11 is connected to the flue gas inlet of the absorption tower system 13, the outlet pipe of the limestone slurry preparation and delivery system 12 is connected to the slurry inle...

Embodiment 2

[0088] The flue gas denitration method in the present invention adopts a conventional SCR denitrification process, and the SCR catalyst adopts an ammonia catalyst.

[0089] In coal-fired boilers, due to the high dust content in the flue gas, vertical airflow is generally used. Such as Figure 4 and 5 As shown, a flue gas denitrification process monitoring and management system in the present invention includes a flue gas denitrification system 3 and a monitoring management system 4 . The monitoring management system 4 monitors the operation process of the flue gas denitrification system 3 . The flue gas denitrification system 3 includes an SCR reactor 31 connected by pipelines, an ammonia storage and supply system 32, an ammonia / air spray system 33, and related SCR control systems. The outlet pipe of the ammonia storage and supply system 32 is connected to the ammonia gas inlet of the ammonia / air spray system 33 , and the outlet pipe of the ammonia / air spray system 33 is co...

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Abstract

The invention discloses a monitoring and managing system for the flue gas desulfurization process. The monitoring and managing system comprises a monitoring and managing system for monitoring a flue gas desulfurization system, wherein the monitoring and managing system comprises a real-time data acquisition system for the flue gas desulfurization process, a real-time monitoring system for the flue gas desulfurization process, and a center end monitoring system; the real-time monitoring system comprises a pollutant monitoring subsystem and a parameter monitoring subsystem; and parameters monitored by the parameter monitoring subsystem comprise thermal parameters and equipment parameters. All composed systems of the flue gas desulfurization system are internally and correspondingly provided with pollutant monitoring systems or parameter monitoring subsystems. After the technical scheme is adopted, the monitoring and managing system is arranged in a conventional flue gas desulfurization system, and is used for monitoring the desulfurization system in real time, including real-time monitoring for the thermal parameters, the equipment parameters and the like, so that the in-time judgment and statistics for the operating states of treatment facilities are convenient, and the scientificity, the safety and the like in the implementation process of flue gas desulfurization are guaranteed.

Description

technical field [0001] The invention relates to a monitoring and management system, in particular to a monitoring and management system for flue gas desulfurization and denitrification processes. Background technique [0002] Flue gas desulfurization (FGD), in FGD technology, can be divided into the following five methods according to the type of desulfurizer: CaCO 3 (limestone) based calcium method, MgO based magnesium method, Na 2 SO 3 Sodium-based method to NH 3 Ammonia-based method, organic alkali method based on organic alkali. Various flue gas desulfurization technologies currently developed, although the equipment structure and process flow are different, but the basic principle is to use alkaline substances as SO 2 absorbent. Limestone-gypsum wet desulfurization technology is currently the most mature and widely used desulfurization process in the world. With the establishment of the national scientific outlook on development, the country's emphasis on environm...

Claims

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Application Information

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IPC IPC(8): B01D53/78B01D53/50B01D53/90B01D53/56G01D21/02
CPCB01D53/502B01D53/78B01D53/8625B01D53/90B01D2251/2062B01D2251/404B01D2258/0283G01D21/02
Inventor 赖锦灿
Owner 福建省恒创环保科技有限公司
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