CN108499322A - A kind of vertical exhaust gas washing tower - Google Patents
A kind of vertical exhaust gas washing tower Download PDFInfo
- Publication number
- CN108499322A CN108499322A CN201810545334.5A CN201810545334A CN108499322A CN 108499322 A CN108499322 A CN 108499322A CN 201810545334 A CN201810545334 A CN 201810545334A CN 108499322 A CN108499322 A CN 108499322A
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- China
- Prior art keywords
- exhaust gas
- gas washing
- vertical exhaust
- washing tower
- air intake
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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
- B01D53/005—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 heat treatment
-
- 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
- B01D53/1431—Pretreatment by other processes
-
- 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
- B01D53/185—Liquid distributors
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/38—Removing components of undefined structure
- B01D53/44—Organic components
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/30—Loose or shaped packing elements, e.g. Raschig rings or Berl saddles, for pouring into the apparatus for mass or heat transfer
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Organic Chemistry (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The present invention relates to a kind of vertical exhaust gas washing towers, it is characterised in that：Air intake is set in the middle part of the vertical exhaust gas washing tower, gas outlet is set at the top of vertical exhaust gas washing tower；Inside vertical exhaust gas washing tower, above air intake, it is disposed with packing layer, spray system, demisting layer from the bottom to top；Inside the vertical exhaust gas washing tower, liquid storing part is provided with below air intake；The liquid storing part is connected by circulating line with spray system, and circulating pump is provided on the circulating line, and described filler layer is made of the unit of structured packing for being internally provided with thin columnar protrusions.Have many advantages, such as thin columnar protrusions and lamellar structure inside the filler of the present invention, so that filler is had, large specific surface area, pressure drop are small, fluid point is uniform, mass-transfer efficiency is high.Exhaust gas heating part is arranged at air intake to may advantageously facilitate exhaust gas and absorb reacting for treatment fluid, improves clean-up effect, also functions to the effect of energy-saving and emission-reduction.
Description
Technical field
The present invention relates to exhaust-gas treatment field more particularly to a kind of vertical exhaust gas washing towers.
Background technology
The production and experiment of chemical industry and pharmaceuticals industry will produce large quantity of exhaust gas, and there are two main classes for these exhaust gas.One kind be with
Chlorine, hydrogen sulfide, nitrogen dioxide, hydrogen chloride, sulfur dioxide etc. are the acid waste gas of representative；It is another kind of be with methanol, ethyl alcohol,
Benzene,toluene,xylene, formaldehyde, the organic exhaust gas that organic naphthalene is representative.These gases often have corrosivity or irritation gas
Taste or carcinogenic property, so they, which are discharged into air, will cause environment prodigious influence.
It is current a kind of more commonly used method to exhaust gas absorb using scrubbing tower.Equipment is vertical used by usually
Formula scrubbing tower is absorbed the harmful components in exhaust gas by exhaust gas and liquid for treating waste gas counter current contacting, to reach purification exhaust gas
Effect.Current vertical scrubbing tower there is fluid flow resistances big, the problem that mass transfer effect is poor, pressure drop is big.Therefore it provides
The small vertical exhaust gas washing tower of a kind of simple in structure, energy saving, good purification, pressure drop is problem to be solved by this invention.
Invention content
The present invention overcomes the deficiencies in the prior art, it is small to provide a kind of simple in structure, energy saving, good purification, pressure drop
Vertical exhaust gas washing tower.
In order to achieve the above objectives, the technical solution adopted by the present invention is：Provide a kind of vertical exhaust gas washing tower, feature
It is：Air intake is set in the middle part of the vertical exhaust gas washing tower, gas outlet is set at the top of vertical exhaust gas washing tower；It is described vertical useless
Inside gas wash tower, above air intake, it is disposed with packing layer, spray system, demisting layer from the bottom to top；It is described vertical useless
Inside gas wash tower, liquid storing part is provided with below air intake；The liquid storing part is connected by circulating line with spray system,
It is provided with circulating pump on the circulating line；
Described filler layer is made of unit of structured packing；The unit of structured packing is cylindrical frame structure；In the filler list
Member is internally provided with several and filler unit plane perpendicular lamella；Several thin columnar protrusions are set on the lamella.
As a preferred embodiment, the lamella has wedge-shaped end face.
As a kind of more preferable scheme, the thin columnar protrusions have arc-shaped end face.
As a preferred embodiment, the vertical exhaust gas washing tower is provided with exhaust gas heating part at air intake.
As a preferred embodiment, several agitating devices are provided in the liquid storing part.
As a preferred embodiment, the circulating line bifurcated goes out subsidiary conduit, and one is connected with circulating line, one
It is passed through inside vertical exhaust gas washing tower；PH indicators are provided on the subsidiary conduit.
As a kind of more preferable scheme, ball valve is respectively provided on the pipeline before and after the pH indicators.
As a preferred embodiment, it inside the vertical exhaust gas washing tower, above air intake, is also set up below packing layer
There is grid layer.
As a kind of more preferable scheme, it is additionally provided with guide ring on the vertical exhaust gas washing tower inner periphery, is located at filler
Above layer lower section, grid layer.
As a preferred embodiment, liquid uniform distributor is equipped with above described filler layer；The spray system is equipped with rotation
Rotatable nozzle.
The advantageous effects of the present invention essentially consist in：Provide one kind simple in structure, energy saving, good purification, pressure drop
Small vertical exhaust gas washing tower.
（1）This vertical exhaust gas washing tower is provided with structured packing.Several lamellas are arranged in filler of the present invention, are arranged thereon several
Thin columnar protrusions.Thin columnar protrusions are conducive to increase the specific surface area of filler, increase substance in the attachment trend on filler surface, carry
The wettability of high filler, to improve the efficiency of mass transfer.The fluid that is set as of lamella constructs moving conduit, not only increases
The chance that fluid is contacted with thin columnar protrusions also makes Flow Field Distribution more uniform.So being designed compared to conventional fillers, the present invention
Filler has many advantages, such as that large specific surface area, pressure drop are small, fluid point is uniform, mass-transfer efficiency is high, is conducive to absorption of the steam to waste water
Cleaning function improves the effect of purification of waste water.
（2）Compared to conventional design, this system is provided with heating device, is conducive to the reaction activity for increasing emission molecule,
To promote exhaust gas and absorb reacting for treatment fluid, keeps the absorption of exhaust gas more thorough, improve clean-up effect.Increase simultaneously
The ascending motion of off-gas flows to mitigate the work load of air-introduced machine saves energy consumption.
（3）It is provided with several agitating devices in the vertical exhaust gas washing tower liquid storing part of this system.It ensure that in liquid storing part
It absorbs treatment fluid ingredient and persistently keeps uniform, be conducive to improve the efficiency for absorbing processing, improve the effect of waste gas purification.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of the preferred embodiment of the present invention.
Fig. 2 is the structural schematic diagram of the filler unit of the present invention.
Fig. 3 is the schematic diagram of the filler unit lamella of the present invention.
In figure：1 for vertical exhaust gas washing tower air intake, 11 be exhaust gas heating part, 2 be vertical exhaust gas washing tower outlet
Mouthful, 3 be packing layer, 31 be liquid uniform distributor, 32 be filler unit, 321 be lamella, 322 be thin columnar protrusions, 4 be spray
Leaching system, 41 be nozzle, 5 be demisting layer, 6 be liquid storing part, 61 be agitating device, 62 be fluid level indicator, 63 be fluid infusion hole, 64
It is liquid overflow hole for drainage hole, 65,7 be circulating line, 71 be subsidiary conduit, 72 be pH indicators, 73 be ball valve, 74 is pressure
Meter, 75 be check-valves, 8 be circulating pump, 9 be grid layer, 10 be guide ring.
Specific implementation mode
Presently in connection with drawings and examples, the present invention is described in further detail, these attached drawings are simplified signal
Figure, the basic structure of the invention will be illustrated schematically only, therefore it only shows the composition relevant to the invention.
As shown in Figure 1, a kind of vertical exhaust gas washing tower, inside above air intake 1, be disposed with lattice from the bottom to top
Grid layer 9, guide ring 10, packing layer 3, spray system 4 and demisting layer 5；It is whole in order to be carried out to air-flow to be provided with grid layer 9
Stream, keeps Flow Field Distribution more uniform.Some granule foreigns in exhaust gas can also be filtered simultaneously.Guide ring 10 is arranged in scrubbing tower
Inner periphery on.Its upper surface is downward slope, lower surface is upward inclined-plane.It can effectively be kept away with strengthening flow toward center flow
Exempt from exhaust gas and move to the poor tower wall of mass-transfer efficiency, improves the effect of exhaust-gas treatment.
Packing layer 3 is made of unit of structured packing 32.Unit of structured packing 32 is cylindrical frame structure, is internally provided with
Several lamellas 321 with 32 plane perpendicular of filler unit, with wedge-shaped end face；It is circular arc that several end faces are arranged on lamella 321
The thin columnar protrusions 322 of shape.The specific surface area that thin columnar protrusions 322 are conducive to increase filler is set, increases substance in filler table
The attachment trend in face, improves the wettability of filler, to improve the efficiency of mass transfer.Its end face is set as arc-shaped, relative to
Conventional design can further increase attachment of the substance on filler surface, improve the effect of mass-transfer efficiency and purification.It simultaneously can also
The resistance of fluid motion is reduced, the pressure drop of packing layer 3 is reduced.Perpendicular to the setting of the lamella 321 of 32 bottom surface of filler unit, for stream
Body constructs moving conduit, not only increases the chance that fluid is contacted with thin columnar protrusions 322, also keeps Flow Field Distribution more equal
It is even.The setting of wedge-shaped end face helps to introduce fluid into the moving conduit of structure.Multiple lamellas 321 parallel can be set
It sets, can also be staggered.32 cylindrical frame structure of unit of structured packing, inside are arranged being designed with for several lamellas and are conducive to reduce
The pressure drop of filler.Columnar structure be conducive to it is very stable pile up, be conducive to entire packing layer 3 stabilization.
Liquid uniform distributor 31 is equipped with above packing layer 3, to make waste gas absorption treatment fluid enter 3 time-division of packing layer
Cloth is more uniform, keeps absorption more abundant.Spray system 4 equally played equipped with rotating sprinkler 41 make waste gas absorption treatment fluid into
Distribution is more uniform when entering packing layer 3, and absorption is made more fully to act on.
Inside vertical exhaust gas washing tower, liquid storing part 6 is provided with below air intake 1.Liquid storing part 6 by circulating line 7 with
Spray system 4 is connected, and circulating pump 8 is provided on circulating line 7, the waste gas absorption treatment fluid in liquid storing part 6 is transported to spray
System 4.Bifurcated goes out subsidiary conduit 71 on circulating line 7, and one head is connected with circulation pipe 7, and one is passed through vertical exhaust gas and washes
It washs inside tower.PH indicators 72 are provided on subsidiary conduit 71.By pH indicators 72 setting be connected with circulating line 7 but relatively
On independent subsidiary conduit 71, and front and back it is respectively provided with ball valve 73.The pH value of waste gas absorption treatment fluid is not only accurately detected, simultaneously
Also effective protection pH indicators 72 improve the service life of pH indicators 72.In addition pressure gauge 74 is provided on circulating line 7 to be had
It is effectively controlled conducive to spray process.Simultaneously ball valve 73 is also provided on the pipeline before and after circulating pump 8 to be conducive to pair
Liquid circulation and spray process are manipulated.And check-valves 75 is set on the pipeline of 8 liquid flow outgoing direction of circulating pump, it avoids
Liquid pours in down a chimney, and is to protect well for circulating pump 8.
It is provided with several agitating devices 61 in liquid storing part 6 to be stirred, the absorption treatment fluid ingredient in liquid storing part 6 is made to hold
Uniform, the efficiency of raising absorption processing is held in continuation of insurance.In addition fluid level indicator 62 is arranged in liquid storing part 6, in vertical exhaust gas washing tower tower
Fluid infusion hole 63, drainage hole 64 and liquid overflow hole 65 is arranged in wall, ensures the stabilization of the absorption processing liquid measure in liquid storing part 6.Lead to simultaneously
Crossing drainage hole 64 can also will be except waste liquid device for transferring.Vertical exhaust gas washing tower by pipeline and adds in the position of liquid storing part 6
Medicine device（It is not shown）It is connected.Necessary complement is given to be reduced in the consumption of waste gas absorption treatment fluid active ingredient later.
In addition it is provided with exhaust gas heating part 11 at vertical exhaust gas washing tower air intake 1.Exhaust gas heating part 11 acts on
In the molecular motion for increasing exhaust gas by heating, promotes exhaust gas and absorb reacting for treatment fluid, to make to filter absorption of more
Thoroughly, while increasing the ascending motion of air-flow, promote the progress of washing process.
This vertical exhaust gas washing tower is provision for sealing, exhaust gas from into system be discharged to the end under closed environment into
Row, it is therefore prevented that pollution of the leakage of exhaust gas to environment.
With reference to embodiment, the operation principle of this system is introduced：
Exhaust gas（Including acid gas, alkali gas, poison gas etc.）Exhaust gas heating part 11 is first passed around, gas is heated, and gas molecule activity carries
Height, gas ascendant trend increase.Into after vertical exhaust gas washing tower, due to itself and air-introduced machine（It is not shown）Effect under
It moves upwards；Waste gas absorption treatment fluid passes through circulating line 7 and circulating pump by the liquid storing part 6 of vertical exhaust gas washing tower bottom simultaneously
8, which are transported to spray in spray system 4, comes out, and moves from top to bottom；The inverse position of exhaust gas and waste gas absorption treatment fluid in packing layer 3
Stream contacts, and the harmful substance in exhaust gas reacts with the active ingredient in waste gas absorption treatment fluid, the harmful components in exhaust gas
It is neutralized or absorbs, fall back to liquid storing part 6 together with treatment fluid is absorbed, be further recycled.And after being cleaned
Gas pass through after demisting layer 5 removes steam and be discharged at the top of the vertical exhaust gas washing tower.
Based on the above description of the preferred embodiments of the present invention, through the above description, related personnel completely can be with
Without departing from the scope of the technological thought of the present invention', various changes and amendments are carried out.The technical scope of this invention
It is not limited to the contents of the specification, it is necessary to determine the technical scope according to the scope of the claims.
Claims (10)
1. a kind of vertical exhaust gas washing tower, it is characterised in that：Air intake, vertical exhaust gas are set in the middle part of the vertical exhaust gas washing tower
Gas port is provided at the top of scrubbing tower；Inside the vertical exhaust gas washing tower, above air intake, it is disposed with fills out from the bottom to top
The bed of material, spray system, demisting layer；Inside the vertical exhaust gas washing tower, liquid storing part is provided with below air intake；The liquid storage
Portion is connected by circulating line with spray system, and circulating pump is provided on the circulating line；
Described filler layer is made of unit of structured packing；The unit of structured packing is cylindrical frame structure；In the filler list
Member is internally provided with several and filler unit plane perpendicular lamella；Several thin columnar protrusions are set on the lamella.
2. vertical exhaust gas washing tower according to claim 1, it is characterised in that：The lamella has wedge-shaped end face.
3. vertical exhaust gas washing tower according to claim 2, it is characterised in that：The thin columnar protrusions have arc-shaped end
Face.
4. according to any vertical exhaust gas washing towers of claim 1-3, it is characterised in that：The vertical exhaust gas washing tower exists
Exhaust gas heating part is provided at air intake.
5. according to any vertical exhaust gas washing towers of claim 1-3, it is characterised in that：If being provided in the liquid storing part
Dry agitating device.
6. according to any vertical exhaust gas washing towers of claim 1-3, it is characterised in that：The circulating line bifurcated goes out auxiliary
Pipeline is helped, one is connected with circulating line, and one is passed through inside vertical exhaust gas washing tower；It is provided with pH on the subsidiary conduit
Indicator.
7. vertical exhaust gas washing tower according to claim 6, it is characterised in that：On pipeline before and after the pH indicators
Ball valve is set.
8. according to any vertical exhaust gas washing towers of claim 1-3, it is characterised in that：In the vertical exhaust gas washing tower
Portion is additionally provided with grid layer above air intake below packing layer.
9. vertical exhaust gas washing tower according to claim 8, it is characterised in that：On the vertical exhaust gas washing tower inner periphery
It is additionally provided with guide ring, is located at below packing layer, above grid layer.
10. according to any vertical exhaust gas washing towers of claim 1-3, it is characterised in that：It is equipped with above described filler layer
Liquid uniform distributor；The spray system is equipped with rotating sprinkler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810545334.5A CN108499322A (en) | 2018-05-31 | 2018-05-31 | A kind of vertical exhaust gas washing tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810545334.5A CN108499322A (en) | 2018-05-31 | 2018-05-31 | A kind of vertical exhaust gas washing tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108499322A true CN108499322A (en) | 2018-09-07 |
Family
ID=63402071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810545334.5A Withdrawn CN108499322A (en) | 2018-05-31 | 2018-05-31 | A kind of vertical exhaust gas washing tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108499322A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630904A (en) * | 2018-12-31 | 2019-04-16 | 江苏旭龙环境科技有限公司 | A kind of chlorine leakage emergency disposal system and application method |
| TWI839693B (en) * | 2022-02-25 | 2024-04-21 | 千附實業股份有限公司 | Improvement of exhaust gas washing tower |
-
2018
- 2018-05-31 CN CN201810545334.5A patent/CN108499322A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630904A (en) * | 2018-12-31 | 2019-04-16 | 江苏旭龙环境科技有限公司 | A kind of chlorine leakage emergency disposal system and application method |
| TWI839693B (en) * | 2022-02-25 | 2024-04-21 | 千附實業股份有限公司 | Improvement of exhaust gas washing tower |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 215000 no.1688 Ruyuan Road, Yuanhe street, Xiangcheng District, Suzhou City, Jiangsu Province Applicant after: SUZHOU AIYUAN ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Address before: 215000 first floor, building 6, 88 Zhen Bei Road, Suzhou high tech Zone, Suzhou, Jiangsu. Applicant before: SUZHOU AIYUAN ENVIRONMENTAL TECHNOLOGY Co.,Ltd. |
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| CB02 | Change of applicant information | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180907 |
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| WW01 | Invention patent application withdrawn after publication |