CN201855651U - Smoke adsorbing and purifying device - Google Patents
Smoke adsorbing and purifying device Download PDFInfo
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- CN201855651U CN201855651U CN2010205970340U CN201020597034U CN201855651U CN 201855651 U CN201855651 U CN 201855651U CN 2010205970340 U CN2010205970340 U CN 2010205970340U CN 201020597034 U CN201020597034 U CN 201020597034U CN 201855651 U CN201855651 U CN 201855651U
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Abstract
The utility model discloses a smoke adsorbing and purifying device which comprises an absorption tower (2) provided with a smoke inlet (9) and a smoke out (10). An adsorbent inlet (1) is arranged at the top of the absorption tower (2); at least one adsorbent feeding ventilating hopper (5) is arranged in the absorption tower (2), is used for supporting an adsorbent bed layer (4), and is gradually narrowed from top to bottom; a discharge pipe (8) is arranged at the bottom of the adsorbent feeding ventilating hopper (5) and leads downwards to the exterior of the absorption tower (2); and a gas locking machine (7) is installed on the discharge pipe (8). With the smoke adsorbing and purifying device, adsorbents in the absorption tower are discharged and supplemented uniformly, the absorption saturation degree and the utilization ratio of the absorbent are improved effectively, and the circulation quantity of the adsorbent is reduced, therefore, the loss of energy is reduced; and an adsorbent bed layer is distributed uniformly and has weaker resistance, so that smoke can be processed conveniently and effectively, and the purifying efficiency of desulfuration, denitration and dedusting is improved obviously.
Description
Technical field
The utility model relates to environmental technology field, relates in particular to a kind of flue gas adsorptive purifier.
Background technology
In stronger industries of contaminative such as chemical industry, metallurgy, glass, pharmacy, equipment exhausting such as industry coal-boiler, glass furnace goes out to contain in a large number the flue gas of harmful substances such as oxysulfide, nitrogen oxide, these flue gases need carry out being disposed in the atmosphere after the purified treatment, just can not pollute environment.
In the prior art, can adopt wet method or dry method carry out desulfurization, denitration according to concrete needs, wherein, dry desulfurization, denitration technology mainly utilize material such as active carbon as adsorbent, to the SO in the flue gas
2, NOx, HF and dust carry out adsorption treatment.In the existing adsorptive purifier, activated carbon granule is piled into can supply flue gas to see through adsorbent bed as desulfuration adsorbent and denitrating catalyst, at first the harmful substance in the flue gas is adsorbed on the inner surface of active carbon, again under the catalytic action of active site on the inner surface, with SO
2Catalytic oxidation is SO
3, and further become sulfuric acid to be stored in the micropore of active carbon with hydration.NOx under the activated carbon catalysis effect with the NH that adds
3Reaction generates innocuous substance N
2And H
2O; Flue gas is in passing adsorbent bed process, and dust is filtered by activated carbon granule and removes.This adsorptive purifier not only complete function, adsorptivity is strong, and economical and practical.
Utilize two kinds of forms that exist in the dry desulfurization, denitration technology of adsorbent at present: a kind of is the cross-flow adsorption technology, and another kind is the convection current adsorption technology.The development of cross-flow adsorption technology relatively early, flue gas enters the absorption tower from the side of adsorptive purifier, and level passes the absorption tower, active carbon is imported the absorption tower from top to bottom.The advantage of this mode is that the air inlet area is big, and gas air speed in the absorption tower is low, and the adsorbent bed layer resistance is little, owing in the tower air inlet need not be set, goes out the headroom, and space availability ratio is big in the absorption tower; Shortcoming is that flue gas enters the absorption tower from the side, adsorption reaction at first takes place and reaches capacity at first in the active carbon of close gas approach, the adsorbance that moves horizontally the direction active carbon along flue gas reduces successively, the fresh active carbon of part of close exhanst gas outlet does not reach capacity as yet and just is discharged from, thereby its internal circulating load is strengthened, increased power consumption and breakage simultaneously.In addition, because the charcoal absorption amount of bottom, absorption tower is bigger, desulfuration efficiency is lower, top active carbon is relatively fresh, desulfuration efficiency is higher, and total desulfurization, the denitration efficiency of exhanst gas outlet is the mean value of upper-lower position purification efficiency, so desulfurization, denitration efficiency are lower than the convection current adsorption technology.
The convection current adsorption technology refers to the technology that flue gas is upward through the absorption tower from absorption tower bottom and active carbon carries out adsorption reaction, fresh active carbon flows downward from the top, absorption tower and flue gas contacts, thereby the adsorbance of the active carbon in adsorbent bed is reduced from bottom to top successively, the active carbon that reaches capacity is at first discharged from the bottom, absorption tower, and the adsorbance of active carbon is identical on the same plane, not only improved the utilization rate of active carbon, reduced internal circulating load, and because adsorbent bed thickness is even, flue gas is formed uniform resistance, significantly improved purification efficiency, desulfurization, nitric efficiency reaches as high as more than 99%.Yet, in the prior art, when the adsorptive purifier that utilizes the convection current adsorption technology is directly discharged the absorption tower with the saturated active carbon in bottom, absorption tower, be difficult to realize that the adsorbent in the absorption tower realizes discharge and feed supplement equably from top to bottom, cause the utilization rate of active carbon lower, influenced the purification efficiency of flue gas simultaneously.
The utility model content
The main technical problems to be solved in the utility model is, the flue gas adsorptive purifier of a kind of even discharge of realizing adsorbent and feed supplement, raising gas cleaning efficient is provided.
For solving the problems of the technologies described above, the utility model provides a kind of flue gas adsorptive purifier, comprise absorption tower with gas approach and exhanst gas outlet, the top on described absorption tower is provided with the adsorbent charging aperture, also be provided with at least one in the described absorption tower and be used to support the ventilative bucket of adsorbent bed adsorbent blanking, the ventilative reducing setting from top to bottom that struggles against of described adsorbent blanking, its bottom is provided with the discharge nozzle that leads to outside, described absorption tower downwards, on the described discharge nozzle flapper is installed.
In a kind of embodiment, described gas approach is positioned at the ventilative bucket of described adsorbent blanking below, and described exhanst gas outlet is between ventilative bucket of described adsorbent blanking and described adsorbent charging aperture.
Described gas approach lays respectively on two relative sidewalls on described absorption tower with exhanst gas outlet.
Preferably, the ventilative bucket of described adsorbent blanking has at least two, and the ventilative bucket of all adsorbent blankings upper end links to each other and forms ventilative bucket assembly, and the edge of described ventilative bucket assembly is connected to the sidewall on described absorption tower.
Described flapper can be the electric rotary flapper.
Preferably, the ventilative bucket of adsorbent blanking top is provided with and is used to distribute the adsorbent of adsorbent to distribute bucket, and described adsorbent distributes also reducing setting from top to bottom of bucket.
Described adsorbent distributes bucket corresponding mutually with the quantity and the position of the ventilative bucket of described adsorbent blanking.
Further, comprise that also the ammonia that at least one sidewall from described absorption tower stretches in the described absorption tower sprays into pipe, described ammonia sprays into pipe and is positioned at the ventilative bucket of described adsorbent blanking top, and described ammonia spray into spray orifice on the pipe probe into described adsorbent bed in.
Preferably, described ammonia sprays into outer surface that pipe is provided with the part of spray orifice and also coats and have catch net, and described catch net has hole, and the diameter of described hole is less than the diameter of described spray orifice.
The bottom on described absorption tower seals by seal diaphragm, and described discharge nozzle passes described seal diaphragm and leads to outside, described absorption tower downwards.
The beneficial effects of the utility model are: the utility model flue gas adsorptive purifier is provided with the ventilative bucket of adsorbent blanking in the absorption tower, and after utilizing flapper to realize discharge control, the even discharge and the feed supplement of adsorbent have been realized, the absorption saturation degree and the utilization rate of adsorbent have effectively been improved, reduce the internal circulating load of adsorbent, thereby reduced energy consumption; And, be convenient to the flue gas processing of evolving effectively, the purification efficiency that has significantly improved desulfurization, denitration and taken off dirt because adsorbent bed even distribution, resistance are less.
Description of drawings
Fig. 1 is the flue gas adsorptive purifier schematic diagram of a kind of embodiment of the utility model;
Fig. 2 sprays into the structural representation of pipe for the ammonia of a kind of embodiment of the utility model.
The specific embodiment
In conjunction with the accompanying drawings the utility model is described in further detail below by the specific embodiment.
Please refer to Fig. 1, the flue gas adsorptive purifier of present embodiment comprises the absorption tower 2 with gas approach 9 and exhanst gas outlet 10, and the top on absorption tower 2 is provided with adsorbent charging aperture 1, and adsorbents such as active carbon can be by in this adsorbent charging aperture 1 input absorption tower 2.Also be provided with the ventilative bucket 5 of two adsorbent blankings in the absorption tower 2, a large amount of adsorbents of 2 inside, absorption tower are piled up to form and are had certain thickness adsorbent bed 4, the ventilative bucket of adsorbent blanking is played a supporting role for 5 pairs adsorbent bed 4, except that supporting role, the shape reducing setting from top to bottom of the ventilative bucket 5 of adsorbent blanking, the saturated adsorbent in adsorbent bed 4 bottoms is flowed downward from reducing, enter the ventilative bucket of adsorbent blanking 5 bottoms and lead to the outer discharge nozzles 8 in absorption tower 2 and discharge, so that recycling.
The ventilative bucket 5 of adsorbent blanking is made by flase floor or sheet material with air-vent, flue gas can see through grid or air-vent, and granular adsorbent can't spill downwards, according to concrete needs, the cross sectional shape of the ventilative bucket 5 of adsorbent blanking can be circle, square or other shapes, angle between the relative inclined-plane that reducing is provided with can be between 36～65 degree, and quantity also can have one or more.When the ventilative bucket 5 of adsorbent blanking had two or more, the ventilative bucket of all adsorbent blankings 5 upper ends linked to each other and form as shown in Figure 1 ventilative bucket assembly, and the sidewall that the edge of ventilative bucket assembly is connected to absorption tower 2 avoids adsorbent to spill from the edge.Flapper 7 also is installed on the discharge nozzle 8, only allow granular adsorbent to discharge downwards, and the flue gas in the absorption tower 2 can't be leaked by discharge nozzle 8.Flapper 7 can adopt electric rotary, gravity is convertible or other forms of flapper.
Further, the flue gas adsorptive purifier of present embodiment is preferably the convection current adsorptive purifier, be bottom-up the flowing of flue gas in the absorption tower 2, particularly, gas approach 9 is positioned at the ventilative bucket of adsorbent blanking 5 belows, exhanst gas outlet 10 is between ventilative bucket 5 of adsorbent blanking and adsorbent charging aperture 1, and the position on close 2 tops, absorption tower.Preferably, gas approach 9 lays respectively on two relative sidewalls on absorption tower 2 with exhanst gas outlet 10, and for example gas approach 9 is positioned at the lower-left side on absorption tower 2, and exhanst gas outlet 10 is positioned at the upper right side on absorption tower 2.
In the present embodiment, also flapper 7 can be installed on the adsorbent charging aperture 1, allow adsorbent smoothly by and avoid gas leakage.Also be provided with at least one adsorbent in the absorption tower 2 and distribute bucket 2, it is positioned at adsorbent charging aperture 1 below, adsorbent blanking ventilative bucket 5 tops, be used for to the adsorbent that enters absorption tower 2 distribute in case its evenly flow form that thickness is even, resistance is less adsorbent bed 4.Similar with the shape of the ventilative bucket 5 of adsorbent blanking, adsorbent distributes bucket 3 also reducing settings from top to bottom, but do not have grid or air-vent, adsorbent distributes the adsorbent on the bucket 3 only to distribute the pipeline of bucket 3 reducings place to flow downward by adsorbent, and is deposited in the ventilative bucket of adsorbent blanking 5 tops and forms adsorbent bed 4.Preferably, adsorbent distributes bucket 3 corresponding mutually with the quantity and the position of the ventilative bucket 5 of adsorbent blanking, the adsorbent that just in time can make each adsorbent distribute bucket 3 to distribute is deposited on the reinforced ventilative bucket 5 of corresponding adsorbent, discharges by discharge nozzle 8 so that it evenly flows downward.Similarly, all adsorbent distributes bucket 3 upper ends also can interconnect, and forms distribution bucket assembly as shown in the figure, and the sidewall that distributes the edge of bucket assembly to be connected to absorption tower 2 avoids adsorbent to spill from the edge.
As depicted in figs. 1 and 2, the flue gas adsorptive purifier of present embodiment comprises that also the ammonia that the sidewall of at least one self-absorption tower 2 stretches in the absorption tower 2 sprays into pipe 11, is used for spraying into the denitration processing that ammonia is realized flue gas to adsorbent bed 4.Ammonia sprays into pipe 11 and is positioned at the ventilative bucket of adsorbent blanking 5 tops, and ammonia sprays into the spray orifice 111 that is used for spraying ammonia on the pipe 11 and probes into adsorbent bed 4.The outer surface that ammonia sprays into the part that is provided with spray orifice 11 of pipe 11 also coats the catch net 112 that has hole; for example adopt steel wire; the diameter of its hole is less than the diameter of spray orifice 111, can stop that adsorbent blocks spray orifice 111 or enter spray orifice 111 and jet effect is exerted an influence.
In addition, the bottom on absorption tower 2 also avoids smoke spillage, discharge nozzle 8 to pass seal diaphragm 6 towards 2 outsides, absorption tower by seal diaphragm 6 sealings, can be after treatment from the adsorbent that discharge nozzle 8 is discharged, and it is recycling to import adsorbent charging aperture 1 once more.
The flue gas processing procedure of the flue gas adsorptive purifier of present embodiment is as follows:
Contain SO
2, sour gas such as NOx flue gas at first enter absorption tower 2 by gas approach 9, the grid or the hole that see through on the ventilative bucket 5 of adsorbent blanking upwards enter adsorbent bed 4, in adsorbent bed 4, utilize the broad-spectrum adsorptivity of adsorbents such as active carbon, harmful substance in the flue gas is adsorbed on the inner surface of active carbon, go up under the catalytic action of active site, with SO on the surface within it again
2Catalytic oxidation is SO
3, and further become sulfuric acid to be stored in the micropore of active carbon with hydration.NOx sprays into pipe 11 NH that spray into ammonia under the activated carbon catalysis effect
3Reaction generates innocuous substance N
2And H
2O.Flue gas is in passing adsorbent bed 4 flow process, and its dust that contains is also filtered by activated carbon granule simultaneously and removes.At last, flue gas after being purified is converged the back by exhanst gas outlet 10 discharges above adsorbent bed 4.In the whole process that flue gas is handled, fresh active carbon constantly adds in the absorption tower 2 by adsorbent charging aperture 1, at first after storing on the adsorbent distribution bucket 3 and distributing, flow downward and be supplemented in adsorbent bed 4, and absorption saturated active carbon in adsorbent bed 4 belows constantly flows downward along the ventilative bucket 5 of adsorbent blanking, and the discharge nozzle bottom it 8 is discharged, flapper 7 has the effect of gas leakage of preventing and even discharge feed supplement, makes whole device stable more, reliable for the discharge and the feed supplement process of adsorbent.
The utility model flue gas adsorptive purifier is provided with the ventilative bucket 5 of adsorbent blanking in absorption tower 2, and after utilizing flapper 7 to realize discharge control, the even discharge and the feed supplement of adsorbent have been realized, the absorption saturation degree and the utilization rate of adsorbent have effectively been improved, reduce the internal circulating load of adsorbent, thereby reduced energy consumption; And because adsorbent bed 4 evenly distribute, resistance is less, be convenient to the flue gas processing of evolving effectively, the purification efficiency that has significantly improved desulfurization, denitration and taken off dirt.Simultaneously, the utility model flue gas adsorptive purifier has absorption tower space availability ratio height, characteristics that equipment cost is low concurrently, can be widely used in the stronger industries of multiple contaminative such as chemical industry, metallurgy, glass, pharmacy and carry out exhaust-gas treatment.
Above content be in conjunction with concrete embodiment to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (10)
1. flue gas adsorptive purifier, the absorption tower (2) that comprises have gas approach (9) and exhanst gas outlet (10), the top on described absorption tower (2) is provided with adsorbent charging aperture (1), it is characterized in that, also be provided with the ventilative bucket of adsorbent blanking (5) that at least one is used to support adsorbent bed (4) in the described absorption tower (2), (5) the reducing setting from top to bottom of the ventilative bucket of described adsorbent blanking, its bottom is provided with and leads to the outside discharge nozzle (8) in described absorption tower (2) downwards, and described discharge nozzle (8) is gone up flapper (7) is installed.
2. flue gas adsorptive purifier as claimed in claim 1, it is characterized in that, described gas approach (9) is positioned at the ventilative bucket of described adsorbent blanking (5) below, and described exhanst gas outlet (10) is positioned between ventilative bucket of described adsorbent blanking (5) and the described adsorbent charging aperture (1).
3. flue gas adsorptive purifier as claimed in claim 2 is characterized in that, described gas approach (9) lays respectively on two relative sidewalls on described absorption tower (2) with exhanst gas outlet (10).
4. flue gas adsorptive purifier as claimed in claim 1, it is characterized in that, the ventilative bucket of described adsorbent blanking (5) has at least two, the ventilative bucket of all adsorbent blankings (5) upper end links to each other and forms ventilative bucket assembly, and the edge of described ventilative bucket assembly is connected to the sidewall of described absorption tower (2).
5. as each described flue gas adsorptive purifier in the claim 1 to 4, it is characterized in that described flapper (7) is the electric rotary flapper.
6. as each described flue gas adsorptive purifier in the claim 1 to 4, it is characterized in that, the ventilative bucket of described adsorbent blanking (5) top is provided with and is used to distribute the adsorbent of adsorbent to distribute bucket (3), and described adsorbent distributes bucket (3) also reducing setting from top to bottom.
7. flue gas adsorptive purifier as claimed in claim 6 is characterized in that, described adsorbent distributes bucket (3) corresponding mutually with the quantity and the position of the ventilative bucket of described adsorbent blanking (5).
8. as each described flue gas adsorptive purifier in the claim 1 to 4, comprise that also the ammonia that at least one sidewall from described absorption tower (2) stretches in the described absorption tower (2) sprays into pipe (11), described ammonia sprays into pipe (11) and is positioned at the ventilative bucket of described adsorbent blanking (5) top, and the spray orifice (111) that described ammonia sprays on the pipe (11) probes in described adsorbent bed (4).
9. flue gas adsorptive purifier as claimed in claim 8; it is characterized in that; described ammonia sprays into the outer surface that pipe (11) is provided with the part of spray orifice (111) and also coats catch net (112); described catch net (112) has hole, and the diameter of described hole is less than the diameter of described spray orifice (111).
10. as each described flue gas adsorptive purifier in the claim 1 to 4, it is characterized in that, the bottom on described absorption tower (2) is by seal diaphragm (6) sealing, and described discharge nozzle (8) passes described seal diaphragm (6) and leads to outside, described absorption tower (2) downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205970340U CN201855651U (en) | 2010-11-08 | 2010-11-08 | Smoke adsorbing and purifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205970340U CN201855651U (en) | 2010-11-08 | 2010-11-08 | Smoke adsorbing and purifying device |
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| Publication Number | Publication Date |
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| CN201855651U true CN201855651U (en) | 2011-06-08 |
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| CN2010205970340U Expired - Fee Related CN201855651U (en) | 2010-11-08 | 2010-11-08 | Smoke adsorbing and purifying device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102824810A (en) * | 2012-09-21 | 2012-12-19 | 中冶长天国际工程有限责任公司 | Adsorption column |
| CN102824809A (en) * | 2012-09-21 | 2012-12-19 | 中冶长天国际工程有限责任公司 | Adsorption tower |
| CN104645740A (en) * | 2015-02-26 | 2015-05-27 | 河南龙成煤高效技术应用有限公司 | Dust removing equipment for oil gas generated in coal material decomposition and dust removing method |
| CN104857854A (en) * | 2015-05-18 | 2015-08-26 | 杨祝红 | Reverse-flow type flue gas purifying device and purifying units thereof |
| CN106796217A (en) * | 2014-07-21 | 2017-05-31 | 泰克年研究发展基金会公司 | For the composition of directly breathing sampling |
| CN109482053A (en) * | 2019-01-07 | 2019-03-19 | 中冶东方工程技术有限公司 | Flue-gas purification equipment |
| CN110385029A (en) * | 2018-04-20 | 2019-10-29 | 中国石化工程建设有限公司 | Activated coke flue gas purification system and method |
| CN110575740A (en) * | 2019-08-29 | 2019-12-17 | 唐钢美锦（唐山）煤化工有限公司 | Flue gas purification device capable of continuously adsorbing |
| CN112337262A (en) * | 2019-08-07 | 2021-02-09 | 江苏赛隆节能技术工程股份有限公司 | Dry desulfurization device |
| CN113941218A (en) * | 2020-07-15 | 2022-01-18 | 中冶长天国际工程有限责任公司 | Adsorption tower flue gas leakage-prevention control system, method and device |
| CN114534437A (en) * | 2021-12-30 | 2022-05-27 | 福建恒嘉环保设备有限公司 | Waste gas adsorbs retrieves purifier |
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2010
- 2010-11-08 CN CN2010205970340U patent/CN201855651U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102824809A (en) * | 2012-09-21 | 2012-12-19 | 中冶长天国际工程有限责任公司 | Adsorption tower |
| CN102824809B (en) * | 2012-09-21 | 2015-05-13 | 中冶长天国际工程有限责任公司 | Adsorption tower |
| CN102824810B (en) * | 2012-09-21 | 2015-05-13 | 中冶长天国际工程有限责任公司 | Adsorption column |
| CN102824810A (en) * | 2012-09-21 | 2012-12-19 | 中冶长天国际工程有限责任公司 | Adsorption column |
| CN106796217A (en) * | 2014-07-21 | 2017-05-31 | 泰克年研究发展基金会公司 | For the composition of directly breathing sampling |
| CN104645740A (en) * | 2015-02-26 | 2015-05-27 | 河南龙成煤高效技术应用有限公司 | Dust removing equipment for oil gas generated in coal material decomposition and dust removing method |
| CN104645740B (en) * | 2015-02-26 | 2016-08-24 | 河南龙成煤高效技术应用有限公司 | A kind of coal substance decomposition oil gas cleaner and dust collection method |
| CN104857854A (en) * | 2015-05-18 | 2015-08-26 | 杨祝红 | Reverse-flow type flue gas purifying device and purifying units thereof |
| CN110385029A (en) * | 2018-04-20 | 2019-10-29 | 中国石化工程建设有限公司 | Activated coke flue gas purification system and method |
| CN109482053A (en) * | 2019-01-07 | 2019-03-19 | 中冶东方工程技术有限公司 | Flue-gas purification equipment |
| CN112337262A (en) * | 2019-08-07 | 2021-02-09 | 江苏赛隆节能技术工程股份有限公司 | Dry desulfurization device |
| CN110575740A (en) * | 2019-08-29 | 2019-12-17 | 唐钢美锦（唐山）煤化工有限公司 | Flue gas purification device capable of continuously adsorbing |
| CN113941218A (en) * | 2020-07-15 | 2022-01-18 | 中冶长天国际工程有限责任公司 | Adsorption tower flue gas leakage-prevention control system, method and device |
| CN113941218B (en) * | 2020-07-15 | 2023-09-29 | 中冶长天国际工程有限责任公司 | Adsorption tower flue gas leakage prevention control system, method and device |
| CN114534437A (en) * | 2021-12-30 | 2022-05-27 | 福建恒嘉环保设备有限公司 | Waste gas adsorbs retrieves purifier |
| CN114534437B (en) * | 2021-12-30 | 2022-12-30 | 福建恒嘉环保设备有限公司 | Waste gas adsorbs retrieves purifier |
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Granted publication date: 20110608 Termination date: 20111108 |