CN103007681A - Activated carbon flue gas desulfurization and regeneration device and method - Google Patents
Activated carbon flue gas desulfurization and regeneration device and method Download PDFInfo
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Abstract
The invention provides an activated carbon flue gas desulfurization and regeneration device and method. The activated carbon flue gas desulfurization and regeneration device comprises a tower body, a plurality of activated carbon channels and a temperature adjusting and control system, wherein the activated carbon channels and the temperature adjusting and control system are arranged in the tower body; an original flue gas inlet, an ammonia inlet, a nitrogen inlet, a cleaned flue gas outlet and a sulfurous gas outlet are arranged on the tower body; the nitrogen inlet and the cleaned flue gas outlet are opened in an activated carbon desulfurization process and closed in an activated carbon regeneration process, and the nitrogen inlet and the sulfurous gas outlet are closed in the activated carbon desulfurization process and opened in the activated carbon regeneration process; and the temperature adjusting and control system is used for adjusting and controlling the temperature of the interior of the tower body in the activated carbon regeneration process. The activated carbon flue gas desulfurization and regeneration device integrally combines two functions of flue gas cleaning and activated carbon regeneration, so that the structure is simple, the losses caused by the frequent conveying of the activated carbon are omitted, and the operating expenses and the investment costs are greatly saved.
Description
Technical field
The present invention relates to the flue gas processing technology field, relate in particular to a kind of active carbon flue gas desulfurizing and regenerating unit and method.
Background technology
In the tradition active carbon desulfurization method, adsorption tower separates with the regenerating active carbon tower, and active carbon need to be transported to regenerator from adsorption tower and regenerate, and then transports back in the adsorption tower and use.In this process, large carbon content active is worn and needs conveying equipment to open in 24 hours, and energy consumption is larger.
Summary of the invention
The technical problem that (one) will solve
The technical problem to be solved in the present invention provides a kind of active carbon flue gas desulfurizing and regenerating unit and method that integrates gas cleaning and two kinds of functions of regenerating active carbon.
(2) technical scheme
For reaching above-mentioned purpose, active carbon flue gas desulfurizing of the present invention and regenerating unit comprise several active carbon passages and the temperature adjusting system that is provided with in tower body, the tower body; Described tower body is provided with former smoke inlet, ammonia entrance, nitrogen inlet, clean exhanst gas outlet, sulfurous gas outlet; Described former smoke inlet, ammonia entrance and clean exhanst gas outlet are opened in the active carbon desulfurization process and are closed in the regenerating active carbon process, and described nitrogen inlet and sulfurous gas outlet are closed in the active carbon desulfurization process and opened in the regenerating active carbon process; Described temperature adjusting system is used for the temperature of regulation activity charcoal regenerative process tower body inside.
Described temperature adjusting system comprises cold air inlet, cold wind outlet, hot-wind inlet and the hot-blast outlet that is located on the described tower body.
Described active carbon channel axis is to being vertical direction; Described former smoke inlet, ammonia entrance, nitrogen inlet, cold wind outlet and hot-wind inlet are positioned at described active carbon passage bottom, and described clean exhanst gas outlet, sulfurous gas outlet, cold air inlet and hot-blast outlet are positioned at described active carbon passage top.
Preferably, described active carbon flue gas desulfurizing and regenerating unit also comprise the axial exhaust gases passes of horizontal direction that is, described exhaust gases passes one end is communicated with described former smoke inlet and described ammonia entrance and the other end and is communicated with described active carbon passage, and the cross section of described exhaust gases passes is provided with for the active carbon layer that adsorbs former flue gas dust.
Preferably, be respectively equipped with one group of flase floor on two end faces that described active carbon layer is vertical with the exhaust gases passes axis.
Preferably, described exhaust gases passes is provided with the first active carbon storehouse that links to each other with described active carbon layer outward, and described the first active carbon position in storehouse is on described active carbon layer; Described tower body is provided with the second active carbon storehouse that links to each other with described active carbon passage outward, and described the second active carbon position in storehouse is on described active carbon passage.
Preferably, be provided with the first blocking valve between the first active carbon storehouse and the described active carbon layer; Described active carbon layer bottom is provided with hopper, and described hopper outlet is provided with the second blocking valve; Be provided with the 3rd blocking valve between described the second active carbon storehouse and the described active carbon passage; Described tower body bottom is provided with collection bucket, and described collection bucket outlet is provided with the 4th blocking valve.
Adopt active carbon flue gas desulfurizing and the renovation process of described active carbon flue gas desulfurizing and regenerating unit, comprise gas cleaning process and regenerating active carbon process, described gas cleaning process and described regenerating active carbon process alternate cycles are carried out.
Wherein, gas cleaning process may further comprise the steps:
S101. open former smoke inlet, clean exhanst gas outlet and ammonia entrance; Close nitrogen inlet, sulfurous gas outlet, cold air inlet, cold wind outlet, hot-wind inlet and hot-blast outlet;
S102. after former flue gas enters the dedusting of exhaust gases passes process active carbon layer from former smoke inlet, enter the active carbon passage and carry out desulphurization reaction, clean flue gas is discharged through clean exhanst gas outlet.
Wherein, the regenerating active carbon process may further comprise the steps:
S201. when charcoal absorption is saturated in the active carbon passage, close former smoke inlet, clean exhanst gas outlet and ammonia entrance; Open successively nitrogen inlet, sulfurous gas outlet, hot-wind inlet and hot-blast outlet;
S202. pass into 380 ℃-550 ℃ hot blast and begin active carbon in heat activated charcoal flue gas desulfurization and the regenerating unit, the sulfur dioxide of charcoal absorption is discharged gradually, and utilize system along with nitrogen enters sulfur dioxide through the sulfurous gas outlet;
S203. sulfur dioxide discharge complete after, close hot-wind inlet and hot-blast outlet; Open the outlet of cold air inlet and cold wind;
S204. the cold wind that passes into drops to 150 ℃ below the degree with the active carbon temperature, then closes cold air inlet and cold wind outlet, nitrogen inlet, sulfurous gas outlet, after the regenerating active carbon process is complete.
When described active carbon layer absorption dust is saturated, stop described gas cleaning process and described regenerating active carbon process, close described former smoke inlet, ammonia entrance, nitrogen inlet, clean exhanst gas outlet, sulfurous gas outlet, cold air inlet, cold wind outlet, hot-wind inlet and hot-blast outlet, open blocking valve, the active carbon of described active carbon layer drops out from hopper, enter the active carbon bobbing machine, make the dust releasing of charcoal absorption, then send into the first active carbon storehouse and continue to adsorb dust; Open the 4th blocking valve, the dust that deposits is drawn off transport.
When needs replenish the active carbon of active carbon passage loss in the regenerating active carbon process, stop described gas cleaning process and described regenerating active carbon process, close described former smoke inlet, ammonia entrance, nitrogen inlet, clean exhanst gas outlet, sulfurous gas outlet, cold air inlet, cold wind outlet, hot-wind inlet and hot-blast outlet, open blocking valve, replenish active carbon.
(3) beneficial effect
The apparatus and method that the present invention adopts technique scheme to provide integrate two kinds of functions of gas cleaning and regenerating active carbon, and simple in structure, operating cost and cost of investment have been saved in the loss of having saved the frequent course of conveying of active carbon greatly.
Apparatus of the present invention are separately carried out dedusting and desulfurization, after active carbon layer absorption dust is saturated, are delivered to the active carbon bobbing machine, and the dust that it is surperficial returns to reuse after removing again.This process is intermittently, and blanking time is long, and is relatively energy-conservation, and reduced the wearing and tearing to active carbon.
Description of drawings
Fig. 1 is the front view of active carbon flue gas desulfurizing of the present invention and regenerating unit;
Fig. 2 is the left view of active carbon flue gas desulfurizing of the present invention and regenerating unit;
Fig. 3 is the A-A cutaway view of active carbon flue gas desulfurizing of the present invention and regenerating unit;
Fig. 4 is the C-C cutaway view of exhaust gases passes of the present invention;
Fig. 5 is the B-B cutaway view of exhaust gases passes of the present invention.
Among the figure, 1: former smoke inlet; 2: the ammonia entrance; 3: flase floor; 4: the first air locks; 5: the first active carbon storehouses; 6: the cold wind outlet; 7: hot-blast outlet; 8: the sulfurous gas outlet; 9: the three air locks; 10: the second active carbon storehouses; 11: clean exhanst gas outlet; 12: cold air inlet; 13: the active carbon passage; 14: hot-wind inlet; 15: wire netting; 16: nitrogen inlet; 17: the four air locks; 18: the second air locks; 19: tower body; 20: active carbon layer.
The specific embodiment
Below in conjunction with drawings and Examples active carbon flue gas desulfurizing of the present invention and regenerating unit and method are described in further detail.Following examples are used for explanation the present invention, but are not used for limiting the scope of the invention.
In description of the invention, need to prove, term " " center "; " "; " laterally "; " on "; D score; " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of indications such as " outward " are based on orientation shown in the drawings or position relationship, only be for convenience of description the present invention and simplified characterization, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second ", " the 3rd " only are used for describing purpose, and can not be interpreted as indication or hint relative importance.
In description of the invention, need to prove, unless clear and definite regulation and restriction are arranged in addition, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be to be fixedly connected with, and also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can indirectly link to each other by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand above-mentioned term concrete meaning in the present invention.
In addition, in description of the invention, except as otherwise noted, the implication of " a plurality of " is two or more.
To shown in Figure 5, active carbon flue gas desulfurizing of the present invention and regenerating unit comprise several active carbon passages 13 and the temperature adjusting system that is provided with in the tower body 19, tower body 19 of tubular, and active carbon passage 13 is vertical direction axially such as Fig. 1.Tower body 19 is provided with former smoke inlet 1, ammonia entrance 2, nitrogen inlet 16, clean exhanst gas outlet 11, sulfurous gas outlet 8, cold air inlet 12, cold wind outlet 6, hot-wind inlet 14 and hot-blast outlet 7.Described former smoke inlet 1, ammonia entrance 2 and clean exhanst gas outlet 11 are opened in the active carbon desulfurization process and are closed in the regenerating active carbon process, and described nitrogen inlet 16 and sulfurous gas outlet 8 are closed in the active carbon desulfurization process and opened in the regenerating active carbon process.Cold air inlet 12, cold wind outlet 6, hot-wind inlet 14 and hot-blast outlet 7 belong to the temperature adjusting system.Described temperature adjusting system is used for the temperature of regulation activity charcoal regenerative process tower body 19 inside.Wherein, former smoke inlet 1, ammonia entrance 2, nitrogen inlet 16, cold wind outlet 6 and hot-wind inlet 14 are positioned at active carbon passage 13 bottoms, and clean exhanst gas outlet 11, sulfurous gas outlet 8, cold air inlet 12 and hot-blast outlet 7 are positioned at active carbon passage 13 tops.Active carbon flue gas desulfurizing and regenerating unit also comprise and axially be that the exhaust gases passes of horizontal direction, exhaust gases passes one end are communicated with former smoke inlet 1 and ammonia entrance 2 and other end connection active carbon passage 13.The cross section of exhaust gases passes is provided with for the active carbon layer 20 that adsorbs former flue gas dust.Active carbon layer 20 is positioned at the end that exhaust gases passes is communicated with former smoke inlet 1 and ammonia entrance 2 near exhaust gases passes.
As shown in Figure 4 and Figure 5, active carbon layer 20 namely on two end faces vertical with the exhaust gases passes axis, is respectively equipped with one group of flase floor 3 along the axial both ends of the surface of exhaust gases passes.Wherein, the about 0.3m ~ 1m of the distance between two groups of flase floors 3.Flase floor 3 two ends and tower body 19 welding, the quantity of every group of flase floor is determined by the width of tower body.
Exhaust gases passes is provided with the first active carbon storehouse 5 that links to each other with active carbon layer 20 outward, and the first active carbon storehouse 5 is positioned on the active carbon layer 20; Be provided with the second active carbon storehouse 10 that links to each other with active carbon passage 13 outside the tower body 19, and the second active carbon storehouse 10 is positioned on the active carbon passage 13.Wherein, the first active carbon storehouse 5 is used for to active carbon layer 20 interior interpolation active carbons, and the second active carbon storehouse 10 is used for to active carbon passage 13 interior interpolation active carbons.
Fill up active carbon in the active carbon passage 13, former flue gas is therefrom by being purified.Active carbon passage 13 bottoms are provided with wire netting 15.The hole of wire netting 15 is less, can prevent that the active carbon in the active carbon passage 13 from falling down.
Be provided with the first blocking valve 4 between the first active carbon storehouse 5 and the described active carbon layer 20; Active carbon layer 20 bottom discharging buckets, the hopper outlet is provided with the second blocking valve 18.The gas of active carbon flue gas desulfurizing and regenerating unit inside was altered outward when the first blocking valve 4 and the second blocking valve 18 were used for preventing from moving.Active carbon layer 20 bottoms arrange hopper, when the charcoal absorption dust is saturated, active carbon are discharged from hopper.Be provided with the 3rd blocking valve 9 between the second active carbon storehouse 10 and the active carbon passage 13; Described tower body 19 bottoms are provided with collection bucket, and collection bucket is in the position of active carbon passage below 13, and the collection bucket outlet is provided with the 4th blocking valve 17.The gas of active carbon flue gas desulfurizing and regenerating unit inside was altered outward when the 3rd blocking valve 9 and the 4th blocking valve 17 were used for preventing from moving.Wherein, the active carbon in the active carbon passage 13 is owing to autophage diminishes, and falls when treating the hole less than wire netting 15, is concentrated to collection bucket.Operating personnel are regularly with discharges such as the active carbon in the collection bucket, particle and dust.
Adopt active carbon flue gas desulfurizing and the renovation process of described active carbon flue gas desulfurizing and regenerating unit, comprise gas cleaning process and regenerating active carbon process, described gas cleaning process and described regenerating active carbon process are taken over and are looped.
The gas cleaning process may further comprise the steps:
S101. open former smoke inlet 1, clean exhanst gas outlet 11 and ammonia entrance 2; Close nitrogen inlet 16, sulfurous gas outlet 8, cold air inlet 12, cold wind outlet 6, hot-wind inlet 14 and hot-blast outlet 7.
S102. after former flue gas enters 20 dedustings of exhaust gases passes process active carbon layer from former smoke inlet 1, enter active carbon passage 13, the pollutants such as the sulfur dioxide in the former flue gas, nitrogen oxide, bioxin are by charcoal absorption, nitrogen oxide is broken down into nitrogen under the effect of ammonia, and clean flue gas is discharged through clean exhanst gas outlet 11.
The regenerating active carbon process may further comprise the steps:
S201. when charcoal absorption is saturated in the active carbon passage 13, close former smoke inlet 1, clean exhanst gas outlet 11 and ammonia entrance 2; Open successively nitrogen inlet 16, sulfurous gas outlet 8, hot-wind inlet 14 and hot-blast outlet 7.
S202. pass into 380 ℃-550 ℃ hot blast and begin active carbon in heat activated charcoal flue gas desulfurization and the regenerating unit, the sulfur dioxide of charcoal absorption is discharged gradually, and utilize system along with nitrogen enters sulfur dioxide through sulfurous gas outlet 8.
S203. sulfur dioxide discharge complete after, close hot-wind inlet 14 and hot-blast outlet 7; Open cold air inlet 12 and cold wind outlet 6;
S204. the cold wind that passes into drops to 150 ℃ below the degree with the active carbon temperature, then closes cold air inlet 12 and cold wind outlet 6, nitrogen inlet 16, sulfurous gas outlet 8, after the regenerating active carbon process is complete.
When described active carbon layer 20 absorption dust are saturated, stop described gas cleaning process and described regenerating active carbon process, close described former smoke inlet 1, ammonia entrance 2, nitrogen inlet 16, clean exhanst gas outlet 11, sulfurous gas outlet 8, cold air inlet 12, cold wind outlet 6, hot-wind inlet 14 and hot-blast outlet 7, open blocking valve 18, the active carbon of described active carbon layer 20 drops out from hopper, enter the active carbon bobbing machine, make the dust releasing of charcoal absorption, then send into the first active carbon storehouse 5 and continue to adsorb dust; Open the 4th blocking valve 17, the dust that deposits is drawn off transport.
When needs replenish the active carbon of active carbon passage 13 loss in the regenerating active carbon process, stop described gas cleaning process and described regenerating active carbon process, close described former smoke inlet 1, ammonia entrance 2, nitrogen inlet 16, clean exhanst gas outlet 11, sulfurous gas outlet 8, cold air inlet 12, cold wind outlet 6, hot-wind inlet 14 and hot-blast outlet 7, open blocking valve 9, replenish active carbon.
The saturated required time of charcoal absorption in the described active carbon passage 13 is 6 ~ 7 days; Regenerating active carbon process required time is 5 ~ 8 hours.
This method is separately carried out dedusting and desulfurization, and the active carbon layer 20 of active carbon flue gas desulfurizing and regenerating unit setting is used for dedusting specially, and purpose is to prevent that too much dust from entering the active carbon passage 13 of back segment.Because the active carbon of active carbon passage 13 is fixed, after entering, may cause in too much dust the obstruction of active carbon passage 13.After charcoal absorption dust in the active carbon layer 20 is saturated, be delivered to the active carbon bobbing machine, return again to reuse after the dust of activated carbon surface is removed.This process is intermittently, and blanking time is long, and is relatively energy-conservation, and reduced the wearing and tearing to active carbon.
Because the sulfur dioxide adsorption process is exothermic reaction, during excess Temperature, active carbon can with flue gas in the oxygen reaction, produce spontaneous combustion.When the active carbon temperature that monitors active carbon passage 13 exceeds warning value, can open cold air inlet 12 and cold wind outlet 6, active carbon passage 13 is cooled off, do not affect sweetening process in the safing while.
The active carbon desulfurization principle: the active carbon desulfurization technology is to utilize to have the activated carbon of unique absorption property to the SO in the flue gas
2Carry out selective absorption, the SO of ADSORPTION STATE
2Be oxidized to H under the condition that oxygen and steam exist in flue gas
2SO
4, H
2SO
4Be stored in the activated carbon hole.Under the condition that has ammonia to exist, NO
XSCR and non-SCR reaction occur under the catalysis of activated carbon, with NO
XChange into N
2The active carbon adsorption layer is equivalent to high-efficient granule layer filter simultaneously, and under inertial collision and the effect of interception effect, the most of dust granules in the flue gas is captured at the inner different parts of bed, finishes flue gas desulfurization and purifies.
SO
2Absorption detailed process following (* represents adsorbed state):
1) physical absorption (SO
2Moving to the AC pore of molecule)
SO
2→SO
2*
2) chemisorbed (chemical reaction in AC Fine hole)
SO
2*＋O*→SO
3*
SO
3*＋nH
2O*→H
2SO
4*+(n-1)H
2O*
The activated carbon denitrification process has comprised SCR reaction and non-SCR reaction.The process of reaction is as follows:
1) SCR reaction
NO＋NH
3+1/2O*→N
2+3/2H
2O
2) non-SCR reaction (reducing substances that generates when breaking away from directly reacts)
NO＋C…Red→N
2
(C ... Red: the reducing substances of activated carbon surface)
Regenerating active carbon principle: absorption SO
2After activated carbon, under heating state, the H that it adsorbs
2SO
4, sulfate is reduced to SO
2, activated carbon recovers absorption property simultaneously, recycles; The thermal regeneration reaction of activated carbon is equivalent to activated carbon is activated again.Absorption and catalytic activity not only can not reduce, and also can be improved to some extent.
The regenerative response detailed process is as follows:
1) decomposition reaction of sulfuric acid
H
2SO
4·H
2O→SO
3＋2H
2O
SO
3+ 1/2C → SO
2+ 1/2CO
2(chemical wear)
H
2SO
4·H
2O＋1/2C→SO
2＋2H
2O＋1/2CO
2
2) decomposition reaction of sour sulfur ammonia
NH
4HSO
4→SO
3＋NH
3＋H2O
SO
3＋2/3NH
3→SO
2＋H
2O＋1/3N
2
NH
4HSO
4→SO
2＋2H
2O＋1/3N
2＋1/3NH
3
3) generation of alkali compounds (reducing substances)
－C··O＋NH
3＝－C··Red+H
2O
4) generation of oxide on surface and elimination
－C··＋O＝－C··O
－C··O+2/3NH
3＝－C··+H
2O+1/3N
2
Above embodiment only is used for explanation the present invention, and be not limitation of the present invention, the those of ordinary skill in relevant technologies field is not in the situation that break away from the spirit and scope of the present invention, can also make a variety of changes and modification, so all technical schemes that are equal to also belong to category of the present invention.
Claims (12)
1. an active carbon flue gas desulfurizing and regenerating unit, it is characterized in that: described active carbon flue gas desulfurizing and regenerating unit comprise several active carbon passage (13) and temperature adjusting systems that are provided with in tower body (19), the tower body (19); Described tower body (19) is provided with former smoke inlet (1), ammonia entrance (2), nitrogen inlet (16), clean exhanst gas outlet (11), sulfurous gas outlet (8); Described former smoke inlet (1), ammonia entrance (2) and clean exhanst gas outlet (11) are opened in the active carbon desulfurization process and are closed in the regenerating active carbon process, and described nitrogen inlet (16) and sulfurous gas outlet (8) are closed in the active carbon desulfurization process and opened in the regenerating active carbon process; Described temperature adjusting system is used for the inner temperature of regulation activity charcoal regenerative process tower body (19).
2. active carbon flue gas desulfurizing according to claim 1 and regenerating unit is characterized in that: described temperature adjusting system comprises cold air inlet (12), cold wind outlet (6), hot-wind inlet (14) and the hot-blast outlet (7) that is located on the described tower body (19).
3. active carbon flue gas desulfurizing according to claim 2 and regenerating unit is characterized in that: described active carbon passage (13) axially is vertical direction; Described former smoke inlet (1), ammonia entrance (2), nitrogen inlet (16), cold wind outlet (6) and hot-wind inlet (14) are positioned at described active carbon passage (13) bottom, and described clean exhanst gas outlet (11), sulfurous gas outlet (8), cold air inlet (12) and hot-blast outlet (7) are positioned at described active carbon passage (13) top.
4. according to claim 1-3 each described active carbon flue gas desulfurizing and regenerating unit, it is characterized in that: described active carbon flue gas desulfurizing and regenerating unit also comprise the axial exhaust gases passes of horizontal direction that is, described exhaust gases passes one end is communicated with described former smoke inlet (1) and described ammonia entrance (2) and the other end and is communicated with described active carbon passage (13), and the cross section of described exhaust gases passes is provided with for the active carbon layer that adsorbs former flue gas dust (20).
5. active carbon flue gas desulfurizing according to claim 4 and regenerating unit is characterized in that: be respectively equipped with one group of flase floor (3) on described active carbon layer (20) two end faces vertical with the exhaust gases passes axis.
6. active carbon flue gas desulfurizing according to claim 5 and regenerating unit, it is characterized in that: described exhaust gases passes is provided with the first active carbon storehouse (5) that links to each other with described active carbon layer (20) outward, and described the first active carbon storehouse (5) is positioned on the described active carbon layer (20); Described tower body (19) is outer to be provided with the second active carbon storehouse (10) that links to each other with described active carbon passage (13), and described the second active carbon storehouse (10) is positioned on the described active carbon passage (13).
7. active carbon flue gas desulfurizing according to claim 6 and regenerating unit is characterized in that: be provided with the first blocking valve (4) between the first active carbon storehouse (5) and the described active carbon layer (20); Described active carbon layer (20) bottom is provided with hopper, and described hopper outlet is provided with the second blocking valve (18); Be provided with the 3rd blocking valve (9) between described the second active carbon storehouse (10) and the described active carbon passage (13); Described tower body (19) bottom is provided with collection bucket, and described collection bucket outlet is provided with the 4th blocking valve (17).
8. adopt active carbon flue gas desulfurizing and the renovation process of claim each described active carbon flue gas desulfurizing of 1-7 and regenerating unit, it is characterized in that: comprise gas cleaning process and regenerating active carbon process, described gas cleaning process and described regenerating active carbon process alternate cycles are carried out.
9. active carbon flue gas desulfurizing according to claim 8 and renovation process is characterized in that, the gas cleaning process may further comprise the steps:
S101. open former smoke inlet (1), clean exhanst gas outlet (11) and ammonia entrance (2); Close nitrogen inlet (16), sulfurous gas outlet (8), cold air inlet (12), cold wind outlet (6), hot-wind inlet (14) and hot-blast outlet (7);
S102. after former flue gas enters the dedusting of exhaust gases passes process active carbon layer (20) from former smoke inlet (1), enter active carbon passage (13) and carry out desulphurization reaction, clean flue gas is discharged through clean exhanst gas outlet (11).
10. active carbon flue gas desulfurizing according to claim 9 and renovation process is characterized in that, the regenerating active carbon process may further comprise the steps:
S201. when charcoal absorption is saturated in the active carbon passage (13), close former smoke inlet (1), clean exhanst gas outlet (11) and ammonia entrance (2); Open successively nitrogen inlet (16), sulfurous gas outlet (8), hot-wind inlet (14) and hot-blast outlet (7);
S202. pass into 380 ℃-550 ℃ hot blast and begin active carbon in heat activated charcoal flue gas desulfurization and the regenerating unit, the sulfur dioxide of charcoal absorption is discharged gradually, and utilize system along with nitrogen enters sulfur dioxide through sulfurous gas outlet (8);
S203. sulfur dioxide discharge complete after, close hot-wind inlet (14) and hot-blast outlet (7); Open cold air inlet (12) and cold wind outlet (6);
S204. the cold wind that passes into drops to 150 ℃ below the degree with the active carbon temperature, then closes the outlet of cold air inlet (12) and cold wind (6), nitrogen inlet (16), sulfurous gas outlet (8), after the regenerating active carbon process is complete.
11. active carbon flue gas desulfurizing according to claim 10 and renovation process, it is characterized in that, when described active carbon layer (20) absorption dust is saturated, stop described gas cleaning process and described regenerating active carbon process, close described former smoke inlet (1), ammonia entrance (2), nitrogen inlet (16), clean exhanst gas outlet (11), sulfurous gas outlet (8), cold air inlet (12), cold wind outlet (6), hot-wind inlet (14) and hot-blast outlet (7), open blocking valve (18), the active carbon of described active carbon layer (20) drops out from hopper, enter the active carbon bobbing machine, make the dust releasing of charcoal absorption, then send into the first active carbon storehouse (5) and continue to adsorb dust; Open the 4th blocking valve (17), the dust that deposits is drawn off transport.
12. active carbon flue gas desulfurizing according to claim 10 and renovation process, it is characterized in that, when needs replenish the active carbon of active carbon passage (13) loss in the regenerating active carbon process, stop described gas cleaning process and described regenerating active carbon process, close described former smoke inlet (1), ammonia entrance (2), nitrogen inlet (16), clean exhanst gas outlet (11), sulfurous gas outlet (8), cold air inlet (12), cold wind outlet (6), hot-wind inlet (14) and hot-blast outlet (7), open blocking valve (9), replenish active carbon.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1451480A (en) * | 2002-04-19 | 2003-10-29 | 汉城夏普重工业株式会社 | Wet desulfurization electrostatic dust-collector |
| CN1583219A (en) * | 2004-05-26 | 2005-02-23 | 中国海洋大学 | Process for eliminating SOx in flue by activated carbon based adsorbent |
| CN2748157Y (en) * | 2004-12-07 | 2005-12-28 | 雷拾清 | Wet-dry method integral dedusting desulfurizing purifier of industrial fume gas |
| CN201848204U (en) * | 2010-09-21 | 2011-06-01 | 鞍钢股份有限公司 | Sintering fume seawater desulfurization tower |
-
2012
- 2012-12-18 CN CN201210552327.0A patent/CN103007681B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1451480A (en) * | 2002-04-19 | 2003-10-29 | 汉城夏普重工业株式会社 | Wet desulfurization electrostatic dust-collector |
| CN1583219A (en) * | 2004-05-26 | 2005-02-23 | 中国海洋大学 | Process for eliminating SOx in flue by activated carbon based adsorbent |
| CN2748157Y (en) * | 2004-12-07 | 2005-12-28 | 雷拾清 | Wet-dry method integral dedusting desulfurizing purifier of industrial fume gas |
| CN201848204U (en) * | 2010-09-21 | 2011-06-01 | 鞍钢股份有限公司 | Sintering fume seawater desulfurization tower |
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| CN108246043A (en) * | 2018-01-29 | 2018-07-06 | 中冶长天国际工程有限责任公司 | Interface arrangement, activated carbon transportation system and method for multi-process gas cleaning |
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| CN112495183A (en) * | 2020-11-30 | 2021-03-16 | 江苏新中金环保科技股份有限公司 | Activated carbon-based catalytic flue gas deep desulfurization device |
| CN112495108A (en) * | 2020-11-30 | 2021-03-16 | 江苏新中金环保科技股份有限公司 | A dust removal defogging device for SOx/NOx control system |
| CN112495132A (en) * | 2020-11-30 | 2021-03-16 | 江苏新中金环保科技股份有限公司 | Coke oven flue gas desulfurization system |
| CN112495133A (en) * | 2020-11-30 | 2021-03-16 | 江苏新中金环保科技股份有限公司 | Activated carbon-based catalytic desulfurization process |
| CN112857578A (en) * | 2021-01-08 | 2021-05-28 | 湖南中冶长天节能环保技术有限公司 | High-temperature detection and dust removal method and system for activated carbon flue gas purification device |
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