Flue gas treating device capable of synchronously removing sulfur, saltpeter, mercury and dedusting and its method

A technology for desulfurization, denitration, mercury removal, and flue gas treatment, which is applied in the field of flue gas treatment of synchronous desulfurization, denitrification, mercury removal and dust removal, and flue gas treatment devices for synchronous desulfurization, denitration, mercury removal and dust removal, which can solve the problem of large volume, large initial investment, and operating costs. High-level problems, to achieve the effect of preventing dust clogging, preventing the decline of removal rate, and rapid desulfurization, denitrification and demercury

Active Publication Date: 2014-02-19
张博 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a flue gas treatment device for synchronous desulfurization, denitrification, mercury removal and dust removal, which solves the problems of large equipment volume, large initial investment and high operating cost of existing flue gas treatment devices

Method used

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  • Flue gas treating device capable of synchronously removing sulfur, saltpeter, mercury and dedusting and its method
  • Flue gas treating device capable of synchronously removing sulfur, saltpeter, mercury and dedusting and its method

Examples

Experimental program
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Effect test

Embodiment 1

[0052] The flue gas treatment device of the synchronous desulfurization, denitrification, dedusting and dedusting of the present embodiment, such as figure 1 As shown, the reactor housing 21 is included, and the reactor housing 21 is provided with a flue gas inlet 4 for communicating with the intake flue 1 and a flue gas outlet 19 for communicating with the exhaust flue 16 The interior of the reactor housing 21 is longitudinally provided with two parallel porous partition devices 9, which divide the interior of the reactor housing 21 into a front chamber 5, a middle chamber 6, and a rear chamber in sequence along the flue gas flow direction. 7. The porous partition device 9 is a porous partition, and the aperture of the porous partition is 20mm; the front chamber 5, the middle chamber 6, and the rear chamber 7 are used to hold the medium-microporous activated carbon adsorbent. The volume ratio of the front chamber 5, the middle chamber 6 and the rear chamber 7 is 20:35:45.

...

Embodiment 2

[0065] The flue gas treatment device of the synchronous desulfurization, denitrification, dedusting and dedusting of the present embodiment, such as figure 2 As shown, the difference from Example 1 is: the volume ratio of the front chamber 5, the middle chamber 6, and the rear chamber 7 is 33:33:33; it also includes an adsorbent regeneration device, and the adsorbent regeneration device is A high-temperature desorption tower 20; the high-temperature desorption tower 20 is provided with an adsorbent inlet 26 and an adsorbent outlet 27, and the adsorbent outlet 27 communicates with the feed port 12 of the reactor shell 21 through a regenerated material pipeline 28 , the adsorbent inlet 26 communicates with the saturated material outlet 17 of the reactor shell 21 through the saturated material pipeline 18, and the saturated material outlet 17 is provided with a rotary valve 14; the regenerated material pipeline 28 and the saturated material pipeline 18 There are transmission and...

Embodiment 3

[0076] The flue gas treatment device for synchronous desulfurization, denitrification, dedusting and dedusting in this embodiment is the same as that in Embodiment 2.

[0077] The flue gas treatment method for synchronous desulfurization, denitrification, mercury removal and dust removal of this embodiment comprises the following steps:

[0078] 1) Fill a total of 6,000t of microporous activated carbon evenly from the feed port to the front, middle, and rear chambers. The filling volume of each chamber is 1,200t in the front chamber, 2,100t in the middle chamber, and Indoor 2700t; the adsorbent flows downward due to gravity, adjust the discharge valve at the bottom of each chamber, so that the discharge speed of the front chamber is 60t / hour, the discharge speed of the middle chamber is 48t / hour, and the discharge speed of the rear chamber The speed is 30t / hour;

[0079] 2) After the flue gas to be treated is uniformly mixed with ammonia in the flue (the temperature of the fl...

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Abstract

The invention discloses a flue gas treating device capable of synchronously removing sulfur, saltpeter, mercury and dedusting and its method, the flue gas treating device comprises a reactor case, an flue gas inlet and a flue gas outlet are provided on the reactor case, two parallel porous isolation devices are provided on a vertical direction in the reactor case, the isolation devices divides the inner part into a front chamber, a middle chamber and a rear chamber; a first shutter guide plate is provided at a communication part of the flue gas inlet and the front chamber, a second shutter guide plate is provided at the communication part of the flue gas outlet and the rear chamber, a feed inlet is provided at the top of the reactor case, and is communicated with the front chamber, the middle chamber and the rear chamber; a feed outlet is respectively provided at the bottom of the front chamber, the middle chamber and the rear bottom; and an ammonia gas distribution apparatus is provided in the middle chamber. The flue gas treating device has the advantages of small equipment volume and high treating efficiency, and can reach the flue gas treating effect with characteristics of removing sulfur, saltpeter, mercury and dedusting; has the characteristics of simple structure, energy saving and high efficiency, has advantages of agility, stabilization, high efficiency and low operation cost, and has wide application prospect.

Description

technical field [0001] The invention belongs to the technical field of flue gas treatment, and in particular relates to a flue gas treatment device for synchronous desulfurization, denitrification, mercury removal and dust removal, and also relates to a flue gas treatment method for synchronous desulfurization, denitrification, mercury removal and dust removal. Background technique [0002] Global warming, ozone depletion, and acid rain are three major issues of global concern, among which the main precursor substances that cause acid rain or acid deposition are sulfur oxides (SO 2 and SO 3 ) and nitrogen oxides (NO and NO 2 ). At present, my country's air pollution discharge load is huge, and air pollution is very serious. SO 2 with NO x Emissions are ranked first in the world. The area of ​​acid rain has reached more than 30% of the country's land area, and the economic losses caused by acid rain and sulfur dioxide pollution in the country reach hundreds of billions ...

Claims

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Application Information

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IPC IPC(8): B01D53/75B01D53/56B01D53/50B01D46/32
Inventor 张博
Owner 张博
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