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Flue gas exchange type activated carbon desulfurization and denitrification integrated process system and application

A process system, desulfurization and denitrification technology, applied in the field of activated carbon desulfurization and denitrification integrated process system, can solve the problems of large production process system structure, high equipment investment cost, high production failure rate, etc., to reduce production and operation energy consumption and simplify production The technological process and the effect of reducing construction investment costs

Pending Publication Date: 2020-09-25
山东耀华能源投资管理有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The outstanding feature of this type of system is that the adsorption system and the analysis system are independently set up and operated, and the activated carbon conveying system between the two is used for closed-loop reciprocating transport of activated carbon particles weighing up to thousands of tons. During this process, the activated carbon The transportation capacity undertaken by the conveying system is huge, which has resulted in the disadvantages of the entire production process system, such as large and complex structure, complex process production process, high equipment investment cost, high transportation energy consumption, and high production failure rate.

Method used

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  • Flue gas exchange type activated carbon desulfurization and denitrification integrated process system and application
  • Flue gas exchange type activated carbon desulfurization and denitrification integrated process system and application
  • Flue gas exchange type activated carbon desulfurization and denitrification integrated process system and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0093] Such as figure 2 As shown, this embodiment provides a flue gas exchange type activated carbon desulfurization and denitrification integrated process system, including two adsorption towers that cooperate with each other, two identical adsorption towers, one left and one right, and the left adsorption tower is used below As an example;

[0094] The adsorption tower includes a denitrification box 5, a desulfurization box 9, and an ash hopper 20 sequentially connected from top to bottom. The denitrification box 5 and the desulfurization box 9 are separately arranged up and down, and the ash hopper 20 is connected to the bottom of the desulfurization box 9; The denitrification box 5 and the desulfurization box 9 are connected separately, with a heat insulation layer in the middle, and the ash hopper 20 is connected to the desulfurization box 9; The air guide plate 6 divides the interior of the denitrification box 5 into upper and lower parts. The bottom of the honeycomb a...

Embodiment 2

[0115] Repeat Example 1, the difference is that three agitators 18 are arranged in the desulfurization box, and the agitators 18 are located 10 cm above the grid air guide plate 19 . The three agitators are installed equidistantly in the same horizontal direction in the desulfurization box.

[0116] The agitator 18 includes a stirring paddle, a rotating shaft, a driving chain 41 and a motor 42, the stirring paddle is installed on the rotating shaft by welding, one end of the rotating shaft is connected to the inner wall of the desulfurization box, and the other end of the rotating shaft passes through the desulfurization box It is connected with the output shaft of the motor through a driving chain 41, and the two ends of the rotating shaft are fixed in the fixed bearings on the inner wall of the desulfurization box.

[0117] The outer wall of the desulfurization box body 9 is provided with a motor airtight compartment 39, the motor, drive chain and the end of the rotating sha...

Embodiment 3

[0119] Repeat Example 1, the difference is that the wet scrubber is also connected to the sewage treatment system 29, and the sewage treatment system uses conventional equipment. After the washing solution in the wet scrubber reaches a certain concentration, it is discharged to the sewage treatment system for purification treatment.

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Abstract

The invention relates to a flue gas exchange type activated carbon desulfurization and denitrification integrated process system and application. A desulfurization and denitrification process unit ofthe system comprises two adsorption towers with double functions of flue gas adsorption and activated carbon desorption at the same time. Each adsorption tower comprises a denitration box body, a desulfurization box body and an ash bucket bin, the denitration box body and the desulfurization box body are arranged in an up-down separation manner, and the ash bucket bin is connected to the bottom ofthe desulfurization box body; the space above a grid gas guide plate in each desulfurization box body is connected with the space below a honeycomb gas guide plate in the corresponding denitration box body through an external pipeline A; the ash bucket bins of the two adsorption towers are respectively connected with an external pipeline B; smoke outlets of the desulfurization box bodies of the two adsorption towers are respectively connected with an external pipeline C. The two adsorption towers which have completely identical functions and integrate adsorption and desorption functions are arranged, and when the flue gas adsorption function of one adsorption tower tends to be in a saturated state, the flue gas adsorption function is transferred to the other adsorption tower for replacement operation, and the adsorption tower start the activated carbon desorption and regeneration function by itself.

Description

technical field [0001] The invention relates to a flue gas exchange-type activated carbon desulfurization and denitrification integrated process system and its application, belonging to the technical field of industrial flue gas pollution control. Background technique [0002] For the comprehensive treatment of sintering flue gas, there are currently three technical solutions for sintering flue gas treatment in iron and steel enterprises, namely SCR method, oxidation method, and activated carbon method. Among them, according to a large number of studies at home and abroad, the only method that can simultaneously remove multiple pollutants in flue gas is the activated carbon method. The interior of activated carbon has a highly developed pore structure and a huge specific surface area, and its chemical stability and thermal stability are good. The surface contains a variety of oxygen-containing functional groups, which can be used as both an adsorbent and a catalyst carrier, ...

Claims

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Application Information

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IPC IPC(8): B01D53/04B01D53/86B01D53/56B01F5/02B01D46/10B65G47/74B65G37/00F16J15/02
CPCB01D53/04B01D53/8631B01D46/10B65G47/74B65G37/00F16J15/02B01D2259/4009B01D2257/302B01D2257/40B01D2251/2062B01D2258/0283B01F25/20B01F2101/25
Inventor 刘洪亮张希胜盛振江段崇涛
Owner 山东耀华能源投资管理有限公司
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