CN103007680A - Activated carbon desulphurization regeneration system capable of using afterheat of ring cooler - Google Patents
Activated carbon desulphurization regeneration system capable of using afterheat of ring cooler Download PDFInfo
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- CN103007680A CN103007680A CN2012105519364A CN201210551936A CN103007680A CN 103007680 A CN103007680 A CN 103007680A CN 2012105519364 A CN2012105519364 A CN 2012105519364A CN 201210551936 A CN201210551936 A CN 201210551936A CN 103007680 A CN103007680 A CN 103007680A
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Abstract
The invention provides an activated carbon desulphurization regeneration system capable of using the afterheat of a ring cooler. The system comprises a reaction tower (21) and the ring cooler (22), wherein the reaction tower (21) is connected with a high-temperature cooling area (IV) of the ring cooler (22); and the temperature of waste hot gas generated by the high-temperature cooling area (IV) is within a range of 380-550 DEG C. The system fully uses the high-temperature waste hot gas discharged by the ring cooler as a heat source of the reaction tower (21), so that the smooth regeneration process of activated carbon is guaranteed, the waste hot gas resource generated by the high-temperature cooling area of the ring cooler is fully used, the pollution to the atmospheric environment from the waste hot gas is reduced, and good effect is brought to the earth which has severe energy shortage and severe pollution.
Description
Technical field
The present invention relates to the flue gases purification field, relate in particular to a kind of active carbon desulfurization regenerative system that can utilize the central cooler waste heat.
Background technology
Regenerating active carbon process need in the reaction tower carries out in hot environment, need to provide a large amount of thermals source by the external world.At present, generally obtain the thermal source of regenerating active carbon by combustion fuel, consumed mass energy, also increased the discharge capacity of greenhouse gases simultaneously.
Capital equipment blowing-type central cooler (hereinafter to be referred as " central cooler ") in the sintering process can produce a large amount of high temperature waste hot gas in its High-temperature cooling district, if directly be thrown in the atmosphere, can produce pollution effect to atmospheric environment, and for the earth that the energy extremely lacks, also be great waste.
The basic functional principle of central cooler is: the sintering deposit that sintering machine unloads, after single roller fragmentation, enter the feed chute, by feed chute continuous uniform ground with sintering deposit cloth on the trolley grating plate of central cooler, drive unit drives the trolley body of central cooler and makes uniform circular motion in horizontal rail; Meanwhile, air blast is sent cold air into annular passage, has on the annular passage and each trolley body airduct one to one, cold wind passes grate plate and enters the heat sinter bed of material under positive pressure, and carries out heat exchange with it, and hot blast is constantly discharged from charge level, or UTILIZATION OF VESIDUAL HEAT IN, or directly discharging.As seen, the part waste gas of central cooler cooling procedure output has the value of heat recovery.
According to the distribution situation of central cooler EGT, the mode of UTILIZATION OF VESIDUAL HEAT IN and the value of UTILIZATION OF VESIDUAL HEAT IN, the central cooler exhaust emission system can be divided into three districts from high temperature to low temperature, the High-temperature cooling district is (more than 350 ℃, refer in particular to 350 ℃～500 ℃), middle temperature cooling zone (200 ℃～350 ℃) and sub-cooled district (below 200 ℃, referring in particular to 150 ℃～200 ℃).When the heatrejection in UTILIZATION OF VESIDUAL HEAT IN technological requirement High-temperature cooling district reaches more than 400 ℃, the waste gas of middle warm area can be used as the cooling air of high-temperature region sintering deposit, hot waste gas by warm area in the absorption of high temperature circulation blower fan carries out the air blast cooling to the high-temperature region, to satisfy the demand of UTILIZATION OF VESIDUAL HEAT IN technique.
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 high temperature waste hot gas of central cooler discharging that can take full advantage of as the active carbon desulfurization regenerative system of reaction tower thermal source.
(2) technical scheme
For reaching above-mentioned purpose, the active carbon desulfurization regenerative system of central cooler waste heat that can utilize of the present invention comprises reaction tower and central cooler, and described reaction tower is connected with the High-temperature cooling district of central cooler, and the waste hot gas that described High-temperature cooling district produces is 380 ℃-550 ℃.
Preferably, the waste hot gas temperature of described High-temperature cooling district's generation is 420 ℃-480 ℃.
Preferably, the waste hot gas temperature of described High-temperature cooling district's generation is 430 ℃-460 ℃.
Preferably, described reaction tower comprises 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 is connected with described High-temperature cooling district.
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, and described hot-wind inlet is connected by the first pipeline with described High-temperature cooling district.
Described hot-blast outlet is connected with the waste heat boiler import, and waste hot gas returns and is delivered to described High-temperature cooling district after described waste heat boiler utilizes; When hot-wind inlet was closed, described High-temperature cooling district also can directly link to each other with described waste heat boiler import by second pipe simultaneously.
Described the first pipeline and described second pipe are provided with valve.
Preferably, 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.
(3) beneficial effect
The system that the present invention adopts technique scheme to provide, take full advantage of the high temperature waste hot gas of central cooler discharging, with this thermal source as reaction tower, guaranteed that not only the regenerating active carbon process carries out smoothly, also take full advantage of the waste hot gas resource that central cooler High-temperature cooling district produces, and reduced the pollution that waste hot gas produces atmospheric environment, for the energy extremely lack and pollution and the serious earth thereof desirable influence is arranged; Secondly, the reaction tower among the present invention integrates gas cleaning and two kinds of functions of 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; In addition, the present invention separately carries out dedusting and desulfurization, after active carbon layer absorption dust is saturated, is 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 structure chart that the present invention can utilize the active carbon desulfurization regenerative system of central cooler waste heat;
Fig. 2 is the front view of reaction tower;
Fig. 3 is the left view of reaction tower;
Fig. 4 is the A-A cutaway view of reaction tower;
Fig. 5 is the C-C cutaway view of exhaust gases passes;
Fig. 6 is the B-B cutaway view of exhaust gases passes.
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; 21: reaction tower; 22: central cooler; 23: waste heat boiler; I: non-cooling zone; II: sub-cooled district; III: middle temperature cooling zone; IV: High-temperature cooling district.
The specific embodiment
Can utilize the active carbon desulfurization regenerative system of central cooler waste heat to be described in further detail below in conjunction with drawings and Examples to the present invention.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 that 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, 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 6, the active carbon desulfurization regenerative system of central cooler waste heat that can utilize of the present invention comprises reaction tower 21 and central cooler 22 such as Fig. 1, and reaction tower 21 is connected with the High-temperature cooling district IV of central cooler 22, and the waste hot gas that High-temperature cooling district IV produces is 380 ℃-550 ℃.Preferably, the waste hot gas temperature of High-temperature cooling district IV generation is 420 ℃-480 ℃.Preferred, the waste hot gas temperature that High-temperature cooling district IV produces is 430 ℃-460 ℃.Reaction tower 21 comprises several active carbon passage 13 and temperature control systems that are provided with in the tower body 19, tower body 19 of tubular.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.Cold air inlet 12, cold wind outlet 6, hot-wind inlet 14 and hot-blast outlet 7 belong to the temperature adjusting system.Hot-wind inlet 14 is connected by the first pipeline with described High-temperature cooling district IV; Hot-blast outlet 7 is connected with waste heat boiler 23 imports, and 300 ℃ of-400 ℃ of waste hot gas of hot-blast outlet 7 output return as cooling-air after waste heat boiler 23 is collected and are delivered to High-temperature cooling district IV.In addition, High-temperature cooling district IV is connected by second pipe with waste heat boiler 23 imports, and the first pipeline and second pipe are provided with valve.When reaction tower 21 is in the gas cleaning process, the valve closing on the first pipeline and the valve open on the second pipe, the waste hot gas that High-temperature cooling district IV produces enters waste heat boiler 23 through second pipe; When reaction tower 21 is in the regenerating active carbon process, valve open on the first pipeline and the valve closing on the second pipe, the waste hot gas that High-temperature cooling district IV produces enters reaction tower 21 for regenerating active carbon provides heat through the first pipeline, then enters waste heat boiler 23.
Non-cooling zone I immediate shipment discharge zone, the thermal sintering material is served central cooler 22 from here, and central cooler 22 moves in a circle clockwise, and the thermal sintering material is cooled off by the cooling zone, and from this district's discharging, material is transported to next operation to cooled sintering feed again.
The cooling zone is divided into three parts: High-temperature cooling district IV, and middle temperature cooling zone III, sub-cooled district II, each cooling zone has blower fan to blast air the thermal sintering material is cooled off, and air is heated through heat exchange in cooling procedure.The EGT that different cooling sections produce is also different, and it is 380 ℃-550 ℃ that the present invention need to use the waste hot gas temperature that High-temperature cooling district IV produces.
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 5 and Figure 6, 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 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 reaction tower 21 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; Be provided with collection bucket at the described tower body 19 of described active carbon passage below 13, described collection bucket outlet is provided with the 4th blocking valve 17.The gas of reaction tower 21 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 described active carbon flue gas desulfurizing and the regeneration technology that can utilize the active carbon desulfurization regenerative system of central cooler waste heat, 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 to heat active carbon in the reaction tower 21, 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 present invention adopts dedusting and desulfurization is separately carried out, and the active carbon layer 20 that reaction tower 21 arranges 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 in the situation that does not 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. active carbon desulfurization regenerative system that can utilize the central cooler waste heat, it is characterized in that: the described active carbon desulfurization regenerative system of central cooler waste heat that can utilize comprises reaction tower (21) and central cooler (22), described reaction tower (21) is connected with the High-temperature cooling district (IV) of central cooler (22), and the waste hot gas temperature that described High-temperature cooling district (IV) produces is 380 ℃-550 ℃.
2. the active carbon desulfurization regenerative system that can utilize the central cooler waste heat according to claim 1 is characterized in that: the waste hot gas temperature that described High-temperature cooling district (IV) produces is 420 ℃-480 ℃.
3. the active carbon desulfurization regenerative system that can utilize the central cooler waste heat according to claim 2 is characterized in that: the waste hot gas temperature that described High-temperature cooling district (IV) produces is 430 ℃-460 ℃.
4. each described active carbon desulfurization regenerative system that can utilize the central cooler waste heat according to claim 1-3, it is characterized in that: described reaction tower (21) comprises 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); Described temperature adjusting system is connected with described High-temperature cooling district (IV).
5. the active carbon desulfurization regenerative system that can utilize the central cooler waste heat according to claim 4, it 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), and described hot-wind inlet (14) is connected by the first pipeline with described High-temperature cooling district (IV).
6. the active carbon desulfurization regenerative system that can utilize the central cooler waste heat according to claim 5, it is characterized in that: described hot-blast outlet (7) is connected with waste heat boiler (23) import, waste hot gas returns and is delivered to described High-temperature cooling district (IV) after described waste heat boiler (23) utilizes; Described High-temperature cooling district (IV) also directly links to each other with described waste heat boiler (23) import by second pipe.
7. the active carbon desulfurization regenerative system that can utilize the central cooler waste heat according to claim 6, it is characterized in that: described the first pipeline and described second pipe are provided with valve.
8. the active carbon desulfurization regenerative system that can utilize the central cooler waste heat according to claim 7 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.
9. the active carbon desulfurization regenerative system that can utilize the central cooler waste heat according to claim 8, 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).
10. active carbon flue gas desulfurizing according to claim 9 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.
11. the active carbon desulfurization regenerative system that can utilize the central cooler waste heat according to claim 10, 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).
12. the active carbon desulfurization regenerative system that can utilize the central cooler waste heat according to claim 11 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).
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| CN103585868A (en) * | 2013-11-27 | 2014-02-19 | 张博 | Flue gas treating device capable of synchronously removing sulfur, saltpeter, mercury and dedusting and its method |
| CN104006673A (en) * | 2014-06-09 | 2014-08-27 | 鞍钢股份有限公司 | Desulfurization and denitrification system and method for sintering flue gas |
| CN104190388A (en) * | 2014-08-27 | 2014-12-10 | 中冶长天国际工程有限责任公司 | Activated carbon thermal desorption method and device capable of utilizing afterheat |
| CN106621616A (en) * | 2015-07-16 | 2017-05-10 | 江苏中科睿赛污染控制工程有限公司 | Gas dust removing apparatus, dust removing method, and uses thereof |
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| CN104190388A (en) * | 2014-08-27 | 2014-12-10 | 中冶长天国际工程有限责任公司 | Activated carbon thermal desorption method and device capable of utilizing afterheat |
| CN106621616B (en) * | 2015-07-16 | 2020-12-29 | 江苏中科睿赛污染控制工程有限公司 | Gas dust removal device and dust removal method and application thereof |
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| CN111871173A (en) * | 2020-07-03 | 2020-11-03 | 河北唯沃环境工程科技有限公司 | Desulfurization and denitrification integrated treatment device |
| CN112758931A (en) * | 2021-01-08 | 2021-05-07 | 湖南中冶长天节能环保技术有限公司 | Method and system for high-temperature detection of activated carbon and cooling and extinguishing of spontaneous combustion activated carbon |
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| CN113916011A (en) * | 2021-09-10 | 2022-01-11 | 马鞍山钢铁股份有限公司 | Sintering cooling waste heat micro-positive pressure recovery control system and method |
| CN115259477A (en) * | 2022-08-26 | 2022-11-01 | 陕西延长石油（集团）有限责任公司 | Continuous adsorption and regeneration device and method for activated carbon |
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