CN106039937A - Waste gas absorption tower and waste gas absorption method - Google Patents
Waste gas absorption tower and waste gas absorption method Download PDFInfo
- Publication number
- CN106039937A CN106039937A CN201610389832.6A CN201610389832A CN106039937A CN 106039937 A CN106039937 A CN 106039937A CN 201610389832 A CN201610389832 A CN 201610389832A CN 106039937 A CN106039937 A CN 106039937A
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- China
- Prior art keywords
- waste gas
- absorption tower
- tower body
- tower
- pipe
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1487—Removing organic compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/702—Hydrocarbons
- B01D2257/7027—Aromatic hydrocarbons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The invention provides a waste gas absorption tower. The waste gas absorption tower comprises an adsorption tower body and a tower body external connection device, wherein the adsorption tower body adopts a hollow structure made of a steel concrete material, a gas outlet pipe is arranged on the upper end surface of the adsorption tower body, and a circulating water tank is arranged at the bottom of the adsorption tower body and connected with the tower body external connection device; a primary spraying layer and a secondary spraying layer arranged below the primary spraying layer in parallel are arranged in the middle of the adsorption tower body, and the spraying layers are adsorption layers; demisting layers are arranged at the upper part in the adsorption tower body; a waste gas inlet pipe is inserted into the lower part in the adsorption tower body. A treatment process is simple and convenient to operate, limitation of materials to process parameters is eliminated, and the pollutant removal efficiency and the demisting effect of the waste gas are improved.
Description
Technical field
The present invention relates to waste gas absorption field, particularly relate to a kind of waste gas absorption tower and waste gas absorption method thereof.
Background technology
Food organic exhaust gas contains the volatile organic matter such as arene, aldehydes, and the foul smell of generation has a strong impact on ring around
Border.Be soluble in the food industry organic exhaust gas of liquid containing only arene or aldehydes etc. for great majority, absorption process is because of equipment system
Work is simple, cost is relatively low and has preferable treatment effect, it has also become the common method of such exhaust-gas treatment.
Conventional processing means in food organic exhaust gas absorption system is the spray made based on polypropylene (PP) material at present
Drenching absorption tower, including tower body, tower body inner cavity top is equipped with one layer of spray equipment with except fog-zone, and middle and upper part is filler loading area, the end
Portion is liquid storage district, and applied cyclic drenches liquid pump.But, this device need to be placed on indoor with sun-proof, it is to avoid aging, and because of material
Characteristic, all has stricter size limitation to spray column height and cross-sectional area, causes absorption system to be difficult at reasonable process bar
Run under part, as short in gas-liquid contact time, go to space, fog-zone narrow, poor, except fog effect reaches to the adaptability of exhausted air quantity change
Less than requiring.It addition, conventional gas introduction pipe does not stretch in tower, on transverse section, gas distribution is the most uneven, circulation easily occurs, affects place
Reason effect, still needs to the most perfect.
Summary of the invention
The present invention proposes a kind of waste gas absorption tower and waste gas absorption method thereof, solves waste gas absorption in prior art the completeest
Entirely, the problem that circulation easily occurs.
The technical scheme is that and be achieved in that:
A kind of waste gas absorption tower, including absorption tower tower body and tower body outer connecting device, described absorption tower tower body is steel concrete material
The hollow structure of matter, its upper surface is provided with escape pipe, is circulating water pool bottom it, described circulating water pool and described tower Ligation in vitro
Device connects；In described absorbing tower body, middle part is provided with one-level spraying layer and the parallel two grades of spraying layers being arranged below, spray
Fix absorbed layer between Ceng, in described absorbed layer, be provided with a large amount of hollow ball；In described absorbing tower body, top is provided with except mist layer；Institute
In stating absorbing tower body, bottom is plugged with an exhaust inlet pipe.
As the preferred version of the present invention, described include a filler demister and a V-type tubular demister except mist layer, described
V-type tubular demister is located at below described filler demister, and described V-type tubular demister is V-shaped structure.
As the preferred version of the present invention, described spraying layer includes water distributor and is connected to water distributor lower surface and uniformly arranges
Some cloth (operating) water nozzles of cloth, described water distributor upper surface connects an absorbing liquid feed tube, the described absorbing liquid feed tube other end with
External equipment UNICOM.
As the preferred version of the present invention, described absorbed layer includes that packing layer, described packing layer upper and lower surface are fixed with not
Rust steel lattice.
As the preferred version of the present invention, described absorption tower tower body medial side wall is provided with a discharge port, described discharge port
It is connected with described packing layer.
As the preferred version of the present invention, described air inlet pipe includes that connecting portion and inlet end, described connecting portion are horizontally inserted
Absorption tower, its absorption tower inside end connects the bending tube of a bending downwards, and described bending tube lower end connects inlet end.
As the preferred version of the present invention, described inlet end is bowl shaped structure, and its slot end is connected with bending tube, its wealthy mouth
End face is to described circulating water pool.
As the preferred version of the present invention, bottom described absorption tower tower body 1, left and right sides wall is provided with circulatory pool drain pipe
With discharging of waste liquid pipe, described circulatory pool drain pipe and discharging of waste liquid pipe and described circulating water pool UNICOM, described absorbing tower side
Wall is additionally provided with hand-hole, and described hand-hole is located at above described circulating water pool.
As the preferred version of the present invention, described circulatory pool drain pipe is connected with described tower body outer connecting device, described tower
Ligation in vitro device includes absorbing liquid circulated sprinkling pump and an outlet pipe, and described outlet pipe is connected to described circulatory pool drain pipe
Connection end with absorbing liquid circulated sprinkling pump.
A kind of waste gas absorption method, uses the waste gas absorption tower in claim 1 to absorb waste gas, specifically comprise the following steps that through
The waste gas crossing dust arrester dedusting enters described absorption tower tower body by air inlet pipe, rises after contacting with circulating water pool；Two grades of sprays
Drenching layer ejection absorbing liquid and absorb waste gas, the waste gas after process ascends into absorbed layer, and one-level spraying layer sprays to absorbed layer simultaneously
Absorbing liquid；Gas after absorption ascends into except mist layer, through being got rid of by escape pipe after except mist layer；Circulation fluid is gone out by circulatory pool
Liquid pipe enters absorption tower tower body, and discarded circulation fluid is gone out by discharging of waste liquid bank of tubes.
Beneficial effects of the present invention, 1) waste gas absorption tower of the present invention is with steel concrete as agent structure, eliminates tradition PP
The material restriction to tower body size, can require to increase tower body cross-sectional area according to technological parameter, improve gas-to-liquid contact scope, increase
Tower height, not only ensures gas-liquid contact time but also can expand except territory, fog-zone, thus improves pollutants removal rate and waste gas mist elimination in waste gas
Effect.
2) present invention uses double layers of sprinkling system, arranges one-level spraying layer at exhaust gas inlet, and waste gas carries out pretreatment, increases
Add spray contact area, improve treatment effeciency；
3) in the present invention, air inlet pipe outlet extends to tower internal cavity center, and exports for horn mouth turning downwards,
Waste gas is made to be more evenly distributed before entering filler.
4) present invention uses two grades to remove mist, and wherein one-level uses V-type tubular demister, stops that big drop enters subordinate except mist
Device, can effectively reduce the risk of subordinate's demister blocking, improves subordinate's demister work efficiency, thus improves and remove fog effect.
5) being provided with a large amount of hollow ball in absorbed layer, its rotation under turbulence state and collision form gas, liquid, solid three-phase flow
The structure of state system, by improving the mass-transfer efficiency of gas-liquid two-phase, thus improves exhaust treatment efficiency.The collision of air balls,
Play cleaning action, it is not easy to blocked by solid and stickum, have great advantage compared with fixed bed packed tower.
The present invention provides a kind of waste gas absorption tower with steel concrete as agent structure and processes technique, changes tower body material,
To eliminate the material size limitation to tower body, make absorption system properly functioning under rational process conditions, improve Organic substance and go
Except efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used
To obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is present configuration schematic diagram；
Fig. 2 is exhaust-gas treatment overall flow figure.
In figure, absorption tower tower body 1, packing layer 2, rustless steel grid 3, filler demister 4, V-type tubular demister 5, absorb
Liquid feed tube 6, water distributor 7, cloth (operating) water nozzle 8, air inlet pipe 9, circulating water pool 10, circulatory pool drain pipe 11, discharging of waste liquid pipe 12, go out
Trachea 13, discharge port 14, hand-hole 15, absorbing liquid circulated sprinkling pump 16, outlet pipe 17.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Embodiment 1
The structural representation of the present invention, as it is shown in figure 1, the waste gas absorption tower of the present invention, includes absorption tower tower body 1, filler
Layer 2, filler demister 4, V-type tubular demister 5, absorbing liquid feed tube 6, cloth (operating) water nozzle 8, air inlet pipe 9, circulating water pool 10, follow
Cisterna ambiens drain pipe 11, discharging of waste liquid pipe 12, escape pipe 13, discharge port 14, hand-hole 15, absorbing liquid circulated sprinkling pump 16, water distribution sprays
Mouth 8 is loaded on upper and lower two layers of cloth water pipe 7, water distributor 7 and circulation feed tube 6 UNICOM, and lower floor's cloth (operating) water nozzle 8 is positioned at exhaust inlet pipe 9
Near above, upper strata cloth (operating) water nozzle 8 is positioned at filler 2 near above in porch, and circulating water pool 10 drain pipe connects circulated sprinkling pump 16,
Circulated sprinkling pump 16 upper water-out pipe 17 is connected with absorbing liquid feed tube 6.
In the present embodiment, above-mentioned tower body 1 can be the cylindric tubular with steel concrete as agent structure, and packing layer 2 is loaded on stainless
In steel grid 3, rustless steel grid 3 supports filler 2, the most uniformly gas distribution.
Embodiment 2
Such as the waste gas absorption tower in embodiment 1, wherein tower body 1 can be square or other shapes with steel concrete as agent structure
Shape, selects flexibly according to place.
The operation principle of the present invention is as follows: it is internal that waste gas enters tower body 1 by air inlet pipe 9 after dedusting, court of waste gas elder generation
Circulating water pool 10 sprays downwards, after buffering, more upwards, inversely contacts with the absorbing liquid of one-level cloth (operating) water nozzle 8 ejection,
After one-level pretreatment, waste gas enters filler 2 by rustless steel grid 3, and meanwhile, two grades of cloth (operating) water nozzles 8 spray to filler 2 continuously
Liquid, in filler 2, waste gas is fully contacted with absorbing liquid, falls to follow with absorbing liquid after in waste gas, pollutant are absorbed by liquid absorption
Ring pond 10, in absorbing liquid absorbs waste gas after pollutant, waste gas enters one-level V-type tubular demister 5, removes bulky grain liquid
Drip, subsequently into the further mist elimination of two grades of filler demisters 4, discharge except entering aiutage by escape pipe 13 after mist.
Wherein, in circulatory pool 10, circulation fluid is contacted with waste gas circulation, when in circulatory pool 10, pollutant are dense by circulating pump 16
Degree reaches finite concentration, absorb saturated after, change absorbing liquid, the saturated waste liquid of high density pollution thing is then emitted into by discharging tube 12
Sewage treatment plant processes.
The main uses of the present invention:
Waste gas absorption tower can be used for the absorption to organic exhaust gas and processes, and requires to change gas-to-liquid contact flexibly according to technological parameter
Area and time, improve waste gas and remove fog effect it can also be used to the process of other inorganic waste gases that can be absorbed by liquid absorption, because of this dress
Putting and have certain dust collection capacity, waste gas relatively low to dust content also can be directly entered this device without cleaner unit and purify
Qualified discharge after process.
Waste gas absorption tower with steel concrete as agent structure processes the typical process flow of waste gas as shown in Figure 2:
After waste gas enters cleaner unit pretreatment, enter the waste gas absorption tower with steel concrete as agent structure, in tower, in waste gas
The effects such as pollutant and absorbing liquid are dissolved, absorption, remove pollutant after-purification gas two grades of demister mist eliminations in tower
Rear discharge absorption tower, up to standard after enter air by delivery pipe.In circulatory pool, in circulation fluid, pollutant levels are low and still have suction
When receiving pollutant function, using circulating pump to rise to spraying layer and continue with waste gas, inhaling until changing when circulation fluid absorbs saturated
Receiving liquid, former high concentration saturated circulation discharging of waste liquid is to sewage treatment plant.
The treatment effect of the present invention:
Waste gas absorption tower with steel concrete as agent structure and process the technique process for food organic exhaust gas, with tradition
PP absorption tower compare, eliminate the material restriction to technological parameter, can according to technological parameter require increase contact area and time
Between, improve waste gas absorption efficiency and except fog effect, it is ensured that waste gas qualified discharge.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (10)
1. a waste gas absorption tower, it is characterised in that include absorption tower tower body (1) and tower body outer connecting device, described absorption tower
Tower body (1) is the hollow structure of steel concrete material, and its upper surface is provided with escape pipe (13), is circulating water pool (10) bottom it, described
Circulating water pool (10) is connected with described tower body outer connecting device；In described absorption tower tower body (1) middle part be provided with one-level spraying layer and
The parallel two grades of spraying layers being arranged below, are absorbed layer between spraying layer, are provided with a large amount of hollow ball in described absorbed layer；Described
Absorption tower tower body (1) internal upper part is provided with except mist layer；Tower body (1) interior bottom, described absorption tower is plugged with an exhaust inlet pipe (9).
A kind of waste gas absorption tower the most according to claim 1, it is characterised in that described include a filler demister except mist layer
(4) and one V-type tubular demister (5), described V-type tubular demister (5) is located at described filler demister (4) lower section, described V-type
Tubular demister (5) is V-shaped structure.
A kind of waste gas absorption tower the most according to claim 1, it is characterised in that described spraying layer include water distributor (7) and
Being connected to water distributor (7) lower surface the some cloth (operating) water nozzles (8) uniformly arranged, described water distributor (7) upper surface connects a suction
Receive liquid feed tube (6), described absorbing liquid feed tube (6) other end and external equipment UNICOM.
A kind of waste gas absorption tower the most according to claim 1, it is characterised in that described absorbed layer includes packing layer (2), institute
State and below packing layer (2), be fixed with Stainless steel mesh (3).
A kind of waste gas absorption tower the most according to claim 4, it is characterised in that middle part, described absorption tower tower body (1) sidewall
Being provided with a discharge port (14), described discharge port (14) is connected with described packing layer (2).
A kind of waste gas absorption tower the most according to claim 1, it is characterised in that described air inlet pipe (9) include connecting portion and
Inlet end, described connecting portion is horizontally inserted absorption tower, and its absorption tower inside end connects the bending tube of a bending downwards, described bending
Pipe lower end connects inlet end.
A kind of waste gas absorption tower the most according to claim 6, it is characterised in that described inlet end is bowl shaped structure, and it is narrow
Mouth end is connected with bending tube, and its wealthy mouth end face is to described circulating water pool (10).
A kind of waste gas absorption tower the most according to claim 1, it is characterised in that about bottom, described absorption tower tower body (1)
Two side is provided with circulatory pool drain pipe (11) and discharging of waste liquid pipe (12), described circulatory pool drain pipe (11) and discharging of waste liquid pipe
(12) with described circulating water pool (10) UNICOM, described absorption tower tower body (1) sidewall is additionally provided with hand-hole (15), and described hand-hole (15) sets
In described circulating water pool (10) top.
A kind of waste gas absorption tower the most according to claim 8, it is characterised in that described circulatory pool drain pipe (11) is with described
Tower body outer connecting device connects, and described tower body outer connecting device includes absorbing liquid circulated sprinkling pump (16) and an outlet pipe
(17), described outlet pipe (17) is connected to the connection end of described circulatory pool drain pipe (11) and absorbing liquid circulated sprinkling pump (16).
10. a waste gas absorption method, it is characterised in that use the waste gas absorption tower in claim 1 to absorb waste gas, specifically walk
Rapid as follows: the waste gas through dust arrester dedusting enters described absorption tower tower body (1), with circulating water pool by air inlet pipe (9)
(10) rise after contact；Two grades of spraying layers ejection absorbing liquids absorb waste gas, and the waste gas after process ascends into absorbed layer, and simultaneously one
Level spraying layer is to absorbed layer spray-absorption liquid；After absorption, gas ascends into except mist layer, through by escape pipe after except mist layer
(13) get rid of；Circulation fluid is entered absorption tower tower body (1) by circulatory pool drain pipe (11), and discarded circulation fluid is by discharging of waste liquid pipe
(12) discharge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610389832.6A CN106039937A (en) | 2016-06-01 | 2016-06-01 | Waste gas absorption tower and waste gas absorption method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610389832.6A CN106039937A (en) | 2016-06-01 | 2016-06-01 | Waste gas absorption tower and waste gas absorption method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106039937A true CN106039937A (en) | 2016-10-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610389832.6A Pending CN106039937A (en) | 2016-06-01 | 2016-06-01 | Waste gas absorption tower and waste gas absorption method |
Country Status (1)
| Country | Link |
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| CN (1) | CN106039937A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106422649A (en) * | 2016-12-06 | 2017-02-22 | 南京大学环境规划设计研究院有限公司 | Integrated laboratory mixed waste gas purification device and purification method |
| CN107485970A (en) * | 2017-10-12 | 2017-12-19 | 杨露 | A kind of titanium dioxide calcines exhaust gas processing device |
| CN107617631A (en) * | 2017-09-26 | 2018-01-23 | 航天环境工程有限公司 | A kind of portable continuous filter cloth thermal desorption processing system of organic material contaminated soil and application |
| CN109999614A (en) * | 2019-05-20 | 2019-07-12 | 深圳特力自动化工程有限公司 | The production technology of organic gas recovery system and adsorbent equipment and adsorption module |
| CN110665340A (en) * | 2019-11-26 | 2020-01-10 | 程鹏 | Spray set for scrubbing tower |
| CN112121610A (en) * | 2020-10-12 | 2020-12-25 | 南京鼎靔达工程技术有限公司 | Odor collecting and treating system for sewage treatment workshop |
| CN114950053A (en) * | 2022-05-18 | 2022-08-30 | 鞍山科德轧辊表面处理有限公司 | Chromium plating electroplating waste gas treatment device and method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106422649A (en) * | 2016-12-06 | 2017-02-22 | 南京大学环境规划设计研究院有限公司 | Integrated laboratory mixed waste gas purification device and purification method |
| CN107617631A (en) * | 2017-09-26 | 2018-01-23 | 航天环境工程有限公司 | A kind of portable continuous filter cloth thermal desorption processing system of organic material contaminated soil and application |
| CN107485970A (en) * | 2017-10-12 | 2017-12-19 | 杨露 | A kind of titanium dioxide calcines exhaust gas processing device |
| CN109999614A (en) * | 2019-05-20 | 2019-07-12 | 深圳特力自动化工程有限公司 | The production technology of organic gas recovery system and adsorbent equipment and adsorption module |
| CN110665340A (en) * | 2019-11-26 | 2020-01-10 | 程鹏 | Spray set for scrubbing tower |
| CN112121610A (en) * | 2020-10-12 | 2020-12-25 | 南京鼎靔达工程技术有限公司 | Odor collecting and treating system for sewage treatment workshop |
| CN114950053A (en) * | 2022-05-18 | 2022-08-30 | 鞍山科德轧辊表面处理有限公司 | Chromium plating electroplating waste gas treatment device and method |
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Application publication date: 20161026 |