CN106861408A - Desulfurization demisting integration absorption tower - Google Patents
Desulfurization demisting integration absorption tower Download PDFInfo
- Publication number
- CN106861408A CN106861408A CN201710146680.1A CN201710146680A CN106861408A CN 106861408 A CN106861408 A CN 106861408A CN 201710146680 A CN201710146680 A CN 201710146680A CN 106861408 A CN106861408 A CN 106861408A
- Authority
- CN
- China
- Prior art keywords
- demisting
- pipe
- flue gas
- layer
- absorption tower
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- 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
- B01D53/80—Semi-solid phase processes, i.e. by using slurries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
- B01D45/08—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators
-
- 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
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
Abstract
The present invention provides a kind of desulfurization demisting integration absorption tower, including as a tower body of flue gas path, with a smoke inlet and an exhanst gas outlet；It has been sequentially arranged along flue gas flow direction in the tower body：One reinforcing member layer, is used to make flue gas form turbulence state；Some spraying layers；One tubulature type demister layer, is arranged by spaced apart pipe and removes drop in flue gas；One ridge type demister layer.Desulfuration absorbing tower can further be improved to SO2With the removing that flue gas carries droplet.By SO in coal-fired flue-gas2Concentration of emission decreases below 35mg/Nm3, the droplet in coal-fired flue-gas is carried and decreases below 10mg/Nm3。
Description
Technical field
The present invention relates to coal-fired flue-gas pollutant removing technical field, more particularly to desulfurization demisting absorption tower, and in particular to
A kind of desulfurization demisting integration absorption tower.
Background technology
Due to the energy resource structure of the oil-poor few gas richness coal of China, the energy consumption structure based on coal will continue in China
A very long time, the consumption of coal is concentrated mainly on the industries such as electric power, steel, cement.Coal burning is China's haze weather
Take place frequently, the main cause that air pollution emission situation is increasingly severe.
Therefore, under the environment protection emission increasingly strict pressure of requirement, on September 12nd, 2014, three ministries and commissions combine and issue《Coal electricity
Energy-saving and emission-reduction upgrading and transformation plan (2014-2020)》, it is desirable to eastern region (Liaoning, Beijing, Tianjin, Hebei, Shandong, on
The provinces and cities of sea, Jiangsu, Zhejiang, Fujian, Guangdong, Hainan etc. 11) newly-built Thermal generation unit Air Pollutant Emission concentration reaches substantially
To gas turbine group emission limit, (i.e. under the conditions of benchmark oxygen content 6%, flue dust, sulfur dioxide, discharged nitrous oxides concentration are divided
Bu Gaoyu 10,35,50 milligrams/cubic metre).Middle part (Heilungkiang, Jilin, Shanxi, Anhui, Hubei, Hunan, Henan, river
Wait 8 provinces in west) new-built unit in principle close to or up gas turbine group emission limit, encourage west area new-built unit close to or
Reach gas turbine group emission limit.
To the year two thousand twenty, 300,000 kilowatts of eastern region active service and the public Thermal generation unit of the above, 100,000 kilowatts and the above are certainly
Standby Thermal generation unit and other conditional Thermal generation units, Air Pollutant Emission concentration basically reaches combustion after transformation
Turbine unit emission limit.In view of Coal Combustion in China quality, is required for carrying out at desulfurization to the flue gas that all of coal-burning power plant produces
Reason, and the sulfur dioxide in flue gas content of discharge is met above-mentioned related environmental requirement.
In Desulphurization for Coal-fired Power Plant method wet desulfurization of flue gas by limestone-gypsum method technology due to technology maturation, desulfuration efficiency it is high
The features such as be most widely used.Using spray void tower desulphurization system more than most power plant, desulfuration efficiency often between 95%~98%,
It is higher than 2000mg/Nm for content of sulfur dioxide3Coal-fired flue-gas, qualified discharge is difficult to using above-mentioned technology.And
And, the droplet of spray void tower desulphurization system discharge flue gas carries universal all in 50mg/Nm3More than, easily cause that " gypsum rain is existing
As ".
Chinese utility model patent ZL 20132002891.4 discloses a kind of combined type that can be used in desulfuration absorbing tower
Demister, composition includes the superiors' spraying layer, and the superiors' spraying layer top is sequentially provided with lower layer support beam and upper strata support beam, under
The top of layer support beam is provided with one-level ridge type demister and one-level ridge type mist eliminator flushing mechanism, the bottom of lower layer support beam
Tubular demister is provided with, the top of upper strata support beam is provided with two grades of ridge type demisters and two grades of ridge type mist eliminator flushing machines
Structure.Although the service life of ridge type demister can be ensured to a certain extent, its demisting effect promoting is not obvious,
And it mainly removes the droplet more than 400-500 μm, most importantly, the combined type demister structure of the patent is very multiple
It is miscellaneous, it is necessary to tubular demister and ridge type demister are combined as into an entirety, it is clear that improvement project is not suitable for, if right
Existing equipment transform, it is necessary to cost it is higher, the duration is more long, transformation difficulty it is also big.Also, it is right due to the complexity of its structure
Also be increased the need for mist eliminator flushing, it is necessary to configure substantial amounts of flushing water to prevent choking phenomenon, therefore, it is more likely that shadow
Ring the water system of desulphurization plant.
With the proposition of minimum discharge standard, existing spray void tower desulphurization system cannot meet minimum discharge requirement,
Need a kind of new absorption tower system of exploitation badly, can simultaneously meet minimum discharge standard, and reduce the carrying amount of droplet.
The content of the invention
Regarding to the issue above, it is an object of the invention to provide a kind of desulfurization demisting integration absorption tower, can further improve
Desulfuration absorbing tower is to SO2With the removing that flue gas carries droplet.By SO in coal-fired flue-gas2Concentration of emission decreases below 35mg/Nm3,
Droplet in coal-fired flue-gas is carried and decreases below 10mg/Nm3。
In order to achieve the above object, the concrete technical scheme taken of the present invention is：
A kind of desulfurization demisting integration absorption tower, including as a tower body of flue gas path, with a smoke inlet and
Exhanst gas outlet；
It has been sequentially arranged along flue gas flow direction in the tower body：
One reinforcing member layer, if including the dried layer pipe that is sequentially arranged along flue gas flow direction arrange, each Guan Liezhong include many it is parallel
The pipe of arrangement, each pipe of any Guan Liezhong is parallel with the pipe of other Guan Liezhong staggeredly or projection intersects；Any Guan Liezhong adjacent tubes
Spacing with the flow field change by flue gas, between the pipe in the tube pitch in the flue gas flow rate region high region low less than flue gas flow rate
Away from；
Some spraying layers；
One tubulature type demister layer, if including being arranged along the dried layer demisting pipe that flue gas flow direction is sequentially arranged, each demisting Guan Liezhong
Including many demisting pipes of parallel arrangement, each demisting pipe of any demisting Guan Liezhong is parallel with the demisting pipe of other demistings Guan Liezhong
Staggeredly or projection intersect；The percent opening that any demisting pipe is listed in the horizontal cross-section of tower body where it makes the flue gas flow rate model for passing through
It is trapped among between 5m/s~8m/s；
One ridge type demister layer.
Further, the pipe is isometrical corrosion-resistant pipe or similar round pipe.
Further, in any Guan Liezhong, the pipe of the tube pitch less than zone line of the outer peripheral areas inside tower body
Spacing.
Further, the overall percent opening of the reinforcing member layer is 25%~60%.
Further, the number of plies of the spraying layer is 3~5 layers, and the coverage rate of sprayed slurry is more than 250%.Specific layer
Several sizes according to entrance sulfur content are selected；High atomization nozzle is selected on spraying layer, the nozzle on every layer of spraying layer is uniform
Distribution.
Further, the demisting pipe is isometrical corrosion-resistant pipe or similar round pipe.
Further, the preferred elliptical tube of demisting pipe, the short axle horizontal direction arrangement of the elliptical tube；Elliptical tube it is short
The ratio between axle and major axis are 1:1.2~2.5.
Further, the ratio between caliber of the pipe and demisting pipe is 1:1.1~1.8.
By taking above-mentioned technical proposal, reinforcing member layer is added, by adjusting the tube pitch that reinforcing member each pipe of layer is arranged
Arrangement, the effectively uniform Flow Field Distribution of flue gas coordinates high-efficient atomizing spray, increased the reinforcing mass transfer of slurries and flue gas,
Increased SO2Removal efficiency, SO can be realized2Concentration is less than 35mg/Nm3Discharge.And use the tubulature type based on elliptical tube to remove
Day with fog, because elliptical tube is relative to pipe, it is possible to decrease the resistance of flue gas, and the lateral area of elliptical tube is big, increase droplet with
The collision of elliptical tube, and then the Caragana seed pests of mist drop are increased, promote the removing of droplet.The droplet that flue gas will be discharged is carried
It is reduced to 10mg/Nm3Hereinafter, effectively prevent the generation of " gypsum rain " phenomenon.
Also, it is particularly suitable for being transformed by existing equipment and obtains, it is only necessary between existing ridge type demister and spraying layer
Install tubulature type demister additional, and suitably adjust tower body height.Further, since tubulature type demister block it is several
Rate is almost nil, therefore, the demister system after improvement will not increase extra flushing water demand, it is to avoid because transformation demister
And influence water system of interlocking.
Brief description of the drawings
The structural representation on the desulfurization demisting integration absorption tower with reinforcing member in Fig. 1 one embodiment of the invention.
Description of reference numerals：1- tower bodies, 2- reinforcing members layer, 3- spraying layers, 4- tubulature type demisters, 5- ridge type demistings
Device.
Specific embodiment
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
Whole description.
As described in Figure 1, in one embodiment, there is provided a kind of desulfurization demisting integration absorption tower, including as flue gas path
Tower body 1, with a smoke inlet and an exhanst gas outlet；It has been sequentially arranged along flue gas flow direction in tower body 1：Reinforcing member layer 2, bag
If include being arranged along the dried layer pipe that flue gas flow direction is sequentially arranged, each Guan Liezhong includes many pipes of parallel arrangement, and any Guan Liezhong's is each
Pipe it is parallel with the pipe of other Guan Liezhong staggeredly or project intersect；The adjacent tube pitch of any Guan Liezhong becomes with the flow field by flue gas
Change, the tube pitch in flue gas flow rate region high is less than the tube pitch in the low region of flue gas flow rate；Some spraying layers 3；Tubulature type is removed
Day with fog layer 4, if including the dried layer demisting pipe that is sequentially arranged along flue gas flow direction arrange, each demisting Guan Liezhong includes many parallel arrangements
Demisting pipe, each demisting pipe of any demisting Guan Liezhong is parallel with the demisting pipe of other demistings Guan Liezhong staggeredly or projection intersects；Appoint
The percent opening that one demisting pipe is listed in the horizontal cross-section of tower body where it make the flue gas flow rate scope that passes through 5m/s~8m/s it
Between；Ridge type demister layer 5.
Specifically, manage is isometrical corrosion-resistant pipe or similar round pipe.In any Guan Liezhong, the periphery inside tower body
Tube pitch of the tube pitch in region less than zone line.The overall percent opening of reinforcing member layer 2 is 25%~60%.Between coordinating pipe
Away from adjustment, flue gas flow field can be made more uniform, by Fluent flow field simulations test show, change tube pitch synergy structure
For the reinforcing member layer that part layer is relatively equally spaced, the flue gas uniformity after can be made higher, it is next to be more beneficial for
Step and the slurry liquid contacts reaction of spraying layer injection, make desulphurization reaction more abundant.
The number of plies of spraying layer is not limited to three layers in figure, it is general it is optional set two to seven layers, the specific number of plies is according to entering to suck
The size of sulfur content is selected；The coverage rate for ensuring sprayed slurry is more than 250%.High atomization nozzle is selected on spraying layer, often
Nozzle on layer spraying layer is uniformly distributed.
In tubulature type demister, demisting pipe is isometrical corrosion-resistant pipe or similar round pipe.It is preferred that elliptical tube, the ellipse
The short axle horizontal direction arrangement of pipe；The ratio between short axle and major axis of elliptical tube are 1:1.2~2.5.
In addition, the ratio between caliber of pipe and demisting pipe is 1:1.1~1.8, reinforcing member layer is abided by with both tubulature type demisters
Follow such specification to coordinate, be more beneficial for improving except fog effect.
Lower mask body introduces several groups of Fluent flow field simulation experiment analysis results：
Experiment 1：Reinforcing member layer, caliber 45~Φ of Φ 100mm, one layer are configured to pipe arrangement with reference to the foregoing embodiments
In tube pitch be 0.5-1.0 times of alloy pipe diameter, the pipe row interlamellar spacing of adjacent layer is the 0.5 of the alloy pipe diameter
~1.0 times, reinforcing member layer is located at 1.5~2.5m of spraying layer lower section, and arrangement is uniform, and flue gas is by preceding distribution
Situation is uneven flow field, the phenomenon that there is flue gas bias current and short circuit, by rear, is analyzed by flow field simulation, its smoke distribution
As a result Flow Field Distribution situation is greatly improved, and gas-liquid contact effect is good.
Experiment 2：Arranged as reinforcing member with ellipse tube-arraying, further, the major axis of ellipse bar is 60mm~80mm, every layer of rapids
The percent opening for flowing grid is 30%~60%, and every layer of pitch-row of turbulent flow grid is 25.7mm~97.5mm, adjacent two layers turbulent flow grid spacing
It is 80mm~120mm, reinforcing member layer is located at 1.5~2.5m of spraying layer lower section, and arrangement is uniform, and flue gas is in turbosphere
Strong turbulent flow is formed on component, but, near tower body inwall, still there is the Flow Field Distribution for showing slightly uneven, slurries exist
Formed on turbosphere component and hold liquid layer, the mass transport process of conventional liquid-in-gas is changed into gas-in-liquid by flue gas bubbling through liquid layer is held
Mass transport process, increased gas-liquid mass transfer area, enhance SO2To the mass transfer of slurries, and then improve desulfuration efficiency.
Experiment 3：Based on testing 2 reinforcing member, adjustment arrangement spacing, the tube pitch for increasing zone line (can be managed
Solve to be arranged in several long tubes positioned at close centre position in a section), the tube pitch reduced near the region of tower wall (can
It is interpreted as being arranged in several short tubes that centre position is located remotely from a section).Eliminate uneven situation, whole circulation passage
In be respectively formed uniform turbulent flow.
Result of the test shows, compared with desulfurization sprays void tower, desulfuration efficiency is improved 2.5 using reinforcing member layer
More than percentage point, can reduce by one layer of spraying layer, liquid-gas ratio reduction by more than 25% effectively reduces the power of slurry circulating pump,
Reduce power consumption.In addition, flue gas is by the sprayed slurry haptoreaction that reinforcing member is spraying layer, because reaction is more uniformly filled
Point, flue gas carries the particle diameter of droplet also all than more uniform after causing reaction, typically below 260 μm.And such symmetrical liquid drop
The compound ridge type demister of tubulature type demister for being more suitable for being described by above-described embodiment is removed.
Illustrate that above-described embodiment describes making for desulfurization demisting integration absorption tower below by specific engineering example
Use effect.
Engineering example 1：
One Thermal generation unit boiler smoke discharge capacity is 1218400mg/Nm3, after flue gas enters absorption tower, its titanium dioxide
Sulfur content is 2980mg/Nm3, dust concentration is 14.9mg/Nm3, flue gas enters desulfurizing tower by gas approach, by synergy structure
Part, by spraying layer, elliptical tube demister, ridge type demister are discharged eventually through exhaust pass.By the synergy structure arranged
Part, the elliptical tube of the use rebuilding of the reinforcing member, arrangement is staggered in arrangement for equidistantly parallel, spraying layer design 5
Layer, actually puts into operation 4 layers, and elliptical tube major axis is 80 in tubular demister, and the short axle of elliptical tube is 40, horizontal distance between axles 100, in warp
Cross in the flue gas discharged after ridge type demister, content of sulfur dioxide is reduced to 17.3mg/Nm3, dust concentration is 3.8mg/Nm3,
It is 8.9mg/Nm that droplet is carried3。
Engineering example 2：
One Thermal generation unit boiler smoke discharge capacity is 1218400mg/Nm3, after flue gas enters absorption tower, its titanium dioxide
Sulfur content is 2980mg/Nm3, dust concentration is 14.9mg/Nm3, flue gas enters desulfurizing tower by gas approach, by synergy structure
Part, by spraying layer, elliptical tube demister, ridge type demister are discharged eventually through exhaust pass.By the synergy structure arranged
Part, the elliptical tube of the use rebuilding of the reinforcing member, arrangement is staggered in arrangement for equidistantly parallel, spraying layer design 5
Layer, actually puts into operation 4 layers, and elliptical tube major axis is 48mm in tubular demister, and the short axle of elliptical tube is 40mm, horizontal distance between axles
80mm, by the flue gas discharged after ridge type demister, content of sulfur dioxide is reduced to 18.2mg/Nm3, dust concentration is
3.7mg/Nm3, it is 11.2mg/Nm that droplet is carried3。
Engineering example 3：
One Thermal generation unit boiler smoke discharge capacity is 1218400mg/Nm3, after flue gas enters absorption tower, its titanium dioxide
Sulfur content is 2980mg/Nm3, dust concentration is 14.9mg/Nm3, flue gas enters desulfurizing tower by gas approach, by synergy structure
Part, by spraying layer, elliptical tube demister, ridge type demister are discharged eventually through exhaust pass.By the synergy structure arranged
Part, the elliptical tube of the use rebuilding of the reinforcing member, arrangement is staggered in arrangement for equidistantly parallel, spraying layer design 5
Layer, actually puts into operation 4 layers, and elliptical tube major axis is 100mm in tubular demister, and the short axle of elliptical tube is 40mm, horizontal distance between axles
85mm, by the flue gas discharged after ridge type demister, content of sulfur dioxide is reduced to 17.2mg/Nm3, dust concentration is
3.6mg/Nm3, it is 8.6mg/Nm that droplet is carried3。
Engineering example 4：
One Thermal generation unit boiler smoke discharge capacity is 1218400mg/Nm3, after flue gas enters absorption tower, its titanium dioxide
Sulfur content is 2980mg/Nm3, dust concentration is 14.9mg/Nm3, flue gas enters desulfurizing tower by gas approach, by synergy structure
Part, by spraying layer, elliptical tube demister, ridge type demister are discharged eventually through exhaust pass.By the synergy structure arranged
Part, the elliptical tube of the use rebuilding of the reinforcing member, arrangement is staggered in arrangement for equidistantly parallel, spraying layer design 5
Layer, actually puts into operation 4 layers, and elliptical tube major axis is 75mm in tubular demister, and the short axle of elliptical tube is 40mm, horizontal distance between axles
90mm, by the flue gas discharged after ridge type demister, content of sulfur dioxide is reduced to 17.1mg/Nm3, dust concentration is
3.7mg/Nm3, it is 9.1mg/Nm that droplet is carried3。
Engineering example 5：
One Thermal generation unit boiler smoke discharge capacity is 1218400mg/Nm3, after flue gas enters absorption tower, its titanium dioxide
Sulfur content is 2980mg/Nm3, dust concentration is 14.9mg/Nm3, flue gas enters desulfurizing tower by gas approach, by synergy structure
Part, by spraying layer, elliptical tube demister, ridge type demister are discharged eventually through exhaust pass.By the synergy structure arranged
Part, the elliptical tube of the use rebuilding of the reinforcing member, arrangement is staggered in arrangement for equidistantly parallel, spraying layer design 5
Layer, actually puts into operation 4 layers, and elliptical tube major axis is 120mm in tubular demister, and the short axle of elliptical tube is 40mm, horizontal distance between axles
90mm, by the flue gas discharged after ridge type demister, content of sulfur dioxide is reduced to 17.3mg/Nm3, dust concentration is
3.8mg/Nm3, it is 8.7mg/Nm that droplet is carried3。
Comparative example 1：
One Thermal generation unit boiler smoke discharge capacity is 1218400mg/Nm3, after flue gas enters absorption tower, its titanium dioxide
Sulfur content is 2960mg/Nm3, Inlet dust content is 15.3mg/Nm3, flue gas enters desulfurizing tower by gas approach, by increasing
Effect component, by spraying layer, by ridge type demister, desulfurizing tower is discharged eventually through exhaust pass.By the synergy arranged
Component, the elliptical tube of the use rebuilding of the reinforcing member, arrangement is the uniform form of parallel stagger arrangement, and spraying layer is 5 layers,
Actually put into operation 4 layers, only discharged after arrangement ridge type demister, content of sulfur dioxide is reduced to 20.5mg/Nm3, dust concentration is
7.8mg/Nm3, it is 14.6mg/Nm that droplet is carried3
Comparative example 2：
One Thermal generation unit boiler smoke discharge capacity is 1218400mg/Nm3, after flue gas enters absorption tower, its titanium dioxide
Sulfur content is 2985mg/Nm3, flue gas enters desulfurizing tower by gas approach, by reinforcing member, by spraying layer, by pipe
Formula demister (existing), ridge type demister, desulfurizing tower is discharged eventually through exhaust pass.By the reinforcing member arranged, should
The elliptical tube of the use rebuilding of reinforcing member, arrangement is the uniform form of parallel stagger arrangement, and spraying layer is 5 layers, actual to throw
4 layers of fortune, arranges in existing background technology and is discharged after tubular demister+ridge type demister disclosed in patent of invention, titanium dioxide
Sulfur content is reduced to 19.8mg/Nm3, dust concentration is 6.2mg/Nm3, it is 12.5mg/Nm that droplet is carried3。
Reinforcing member with tubulature type demister can be seen that from above-mentioned engineering construction example and comparative example, can substantially subtract
Few flue gas carries drop, so as to realize that sweetening process cooperates with the ideal effect of demisting.In addition, by being not limited to above-mentioned case history
And comparative example, it is found that the ratio between the short axle of the elliptical tube of demisting and major axis are defined to 1:1.2~2.5 is relatively more reasonable, with major axis
Growth, except fog effect is gradually lifted, but the just basic lifting effect without tomorrow after more than certain limit, specifically and
Speech, more than 1:It is basic except fog effect is no longer lifted after 2.5.
To sum up, using desulfurization demisting of the invention integration absorption tower, the concentration of various pollutants can be greatly reduced, can
Realize SO2Concentration is less than 35mg/Nm3, dust concentration be less than 5mg/Nm3, droplet carry be less than 10mg/Nm3Discharge.And certain
The energy consumption and treatment cost of desulfurized treatment can be reduced in degree, the requirement of minimum discharge is reached, and meets the row of energy-saving and emission-reduction
Industry developing direction and theory of managing state affairs.And, it is adaptable to transformed by existing desulphurization plant and obtained, because China is constantly improving at present
The discharge index of coal-fired flue-gas, so improvement project amount is very large, in deisgn product structure, it is considered to its realizability and reality
It is ready-made be originally it is very important, for such actual demand, the absorption tower that the application is provided undoubtedly has efficient demisting
Can, and easily realize, improvement cost and difficulty are all relatively low, with great dissemination.
Obviously, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
Claims (8)
1. a kind of desulfurization demisting integration absorption tower, it is characterised in that including the tower body as flue gas path, with a flue gas
Entrance and an exhanst gas outlet；
It has been sequentially arranged along flue gas flow direction in the tower body：
One reinforcing member layer, if including the dried layer pipe that is sequentially arranged along flue gas flow direction arrange, each Guan Liezhong includes many parallel arrangements
Pipe, each pipe of any Guan Liezhong is parallel with the pipe of other Guan Liezhong staggeredly or projection intersects；The adjacent tube pitch of any Guan Liezhong
With the flow field change by flue gas, the tube pitch in flue gas flow rate region high is less than the tube pitch in the low region of flue gas flow rate；
Some spraying layers；
One tubulature type demister layer, if including the dried layer demisting pipe that is sequentially arranged along flue gas flow direction arrange, each demisting Guan Liezhong includes
The many demisting pipes of parallel arrangement, each demisting pipe of any demisting Guan Liezhong is parallel with the demisting pipe of other demistings Guan Liezhong staggeredly
Or projection intersects；The percent opening that any demisting pipe is listed in the horizontal cross-section of tower body where it makes the flue gas flow rate scope for passing through exist
Between 5m/s~8m/s；
One ridge type demister layer.
2. desulfurization demisting as claimed in claim 1 integration absorption tower, it is characterised in that the pipe is isometrical corrosion-resistant circle
Pipe or similar round pipe.
3. desulfurization demisting as claimed in claim 1 integration absorption tower, it is characterised in that in any Guan Liezhong, near tower body
Tube pitch of the tube pitch of internal outer peripheral areas less than zone line.
4. the desulfurization demisting integration absorption tower of reinforcing member is carried as claimed in claim 1, it is characterised in that the synergy
The overall percent opening of components layer is 25%~60%.
5. desulfurization demisting as claimed in claim 1 integration absorption tower, it is characterised in that the number of plies of the spraying layer is 3~5
Layer, the coverage rate of sprayed slurry is more than 250%.
6. desulfurization demisting as claimed in claim 1 integration absorption tower, it is characterised in that the demisting pipe is isometrical corrosion resistant
Erosion pipe or similar round pipe.
7. desulfurization demisting as claimed in claim 6 integration absorption tower, it is characterised in that the preferred elliptical tube of demisting pipe,
The short axle horizontal direction arrangement of the elliptical tube；The ratio between short axle and major axis of elliptical tube are 1:1.2~2.5.
8. desulfurization demisting as claimed in claim 1 integration absorption tower, it is characterised in that the caliber of the pipe and demisting pipe it
Than being 1:1.1~1.8..
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710146680.1A CN106861408A (en) | 2017-03-13 | 2017-03-13 | Desulfurization demisting integration absorption tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710146680.1A CN106861408A (en) | 2017-03-13 | 2017-03-13 | Desulfurization demisting integration absorption tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106861408A true CN106861408A (en) | 2017-06-20 |
Family
ID=59170702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710146680.1A Pending CN106861408A (en) | 2017-03-13 | 2017-03-13 | Desulfurization demisting integration absorption tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106861408A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109663439A (en) * | 2018-08-30 | 2019-04-23 | 广东雪迪龙环境科技有限公司 | A kind of quenching flue gas ash removal tower |
| CN114570191A (en) * | 2022-03-22 | 2022-06-03 | 东方电气集团东方锅炉股份有限公司 | Double-circulation wet flue gas desulfurization absorption tower |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201208542Y (en) * | 2008-05-29 | 2009-03-18 | 武汉凯迪电力环保有限公司 | Desulfuration spray tower with load regulation and flue gas flow equalizing function |
| CN202161915U (en) * | 2011-07-18 | 2012-03-14 | 晏华 | Venturi rod layer |
| CN102527193A (en) * | 2010-12-23 | 2012-07-04 | 江苏德克环保设备有限公司 | Defogging device for absorption tower |
| CN204147759U (en) * | 2014-06-23 | 2015-02-11 | 大唐科技产业集团有限公司 | A kind of device improving wet desulfurization system mass-transfer efficiency |
| CN204768168U (en) * | 2015-07-14 | 2015-11-18 | 中国华电工程(集团)有限公司 | Minimum discharge absorption tower |
| CN105233657A (en) * | 2015-11-03 | 2016-01-13 | 广州市天赐三和环保工程有限公司 | Flue gas desulphurization and dedusting advanced treatment technology and apparatus thereof |
| CN105879645A (en) * | 2014-06-18 | 2016-08-24 | 大唐环境产业集团股份有限公司 | Turbulent tube grid tower capable of improving desulfurization efficiency |
| CN206837843U (en) * | 2017-03-13 | 2018-01-05 | 大唐环境产业集团股份有限公司 | Desulfurization demisting integration absorption tower |
-
2017
- 2017-03-13 CN CN201710146680.1A patent/CN106861408A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201208542Y (en) * | 2008-05-29 | 2009-03-18 | 武汉凯迪电力环保有限公司 | Desulfuration spray tower with load regulation and flue gas flow equalizing function |
| CN102527193A (en) * | 2010-12-23 | 2012-07-04 | 江苏德克环保设备有限公司 | Defogging device for absorption tower |
| CN202161915U (en) * | 2011-07-18 | 2012-03-14 | 晏华 | Venturi rod layer |
| CN105879645A (en) * | 2014-06-18 | 2016-08-24 | 大唐环境产业集团股份有限公司 | Turbulent tube grid tower capable of improving desulfurization efficiency |
| CN204147759U (en) * | 2014-06-23 | 2015-02-11 | 大唐科技产业集团有限公司 | A kind of device improving wet desulfurization system mass-transfer efficiency |
| CN204768168U (en) * | 2015-07-14 | 2015-11-18 | 中国华电工程(集团)有限公司 | Minimum discharge absorption tower |
| CN105233657A (en) * | 2015-11-03 | 2016-01-13 | 广州市天赐三和环保工程有限公司 | Flue gas desulphurization and dedusting advanced treatment technology and apparatus thereof |
| CN206837843U (en) * | 2017-03-13 | 2018-01-05 | 大唐环境产业集团股份有限公司 | Desulfurization demisting integration absorption tower |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109663439A (en) * | 2018-08-30 | 2019-04-23 | 广东雪迪龙环境科技有限公司 | A kind of quenching flue gas ash removal tower |
| CN114570191A (en) * | 2022-03-22 | 2022-06-03 | 东方电气集团东方锅炉股份有限公司 | Double-circulation wet flue gas desulfurization absorption tower |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205055807U (en) | Coke oven low -sulfur tail gas desulfurization dust collector | |
| CN204891568U (en) | Distributed SOx/NOx control device of boiler flue gas integration | |
| CN105561776A (en) | Industrial coal-fired boiler flue gas multi-pollutant ultra-low emission and removal cooperated system | |
| CN105854551A (en) | Double-alkali double-circulation desulfurization absorption system and method | |
| CN101579601B (en) | Venturi ring efficient mass transfer layer absorption tower | |
| CN205288078U (en) | Flue gas thick liquid distributes again sprays desulfurization dust collector | |
| CN106861408A (en) | Desulfurization demisting integration absorption tower | |
| CN205586763U (en) | Square chest formula desulfurizing tower | |
| CN206837843U (en) | Desulfurization demisting integration absorption tower | |
| CN205796897U (en) | Two-way Cycle reducing desulfurizing adsorption system | |
| CN107243248A (en) | A kind of folded plate type gas-liquid part flow arrangement | |
| CN105879588A (en) | Double-circulation diameter-variable desulfurization and absorption system and method | |
| CN205127726U (en) | Double tower is two -way to spray multicycle desulfurization absorption tower | |
| CN203507747U (en) | Wet-process desulfurization system provided with electrostatic humidifying device | |
| CN205850546U (en) | Double alkali double circulation desulphurization absorption systems | |
| CN205850545U (en) | Double alkali Two-way Cycle coordinated desulfurization denitrating systems | |
| CN212999229U (en) | Multistage sulfur recovery system | |
| CN107335332A (en) | A kind of fold-line-shaped gas-liquid part flow arrangement with collecting tank | |
| CN103446837A (en) | Wet desulfurization system with electrostatic humidifier and anode demister | |
| CN205127727U (en) | Efficient desulfurizing absorption tower | |
| CN106139946A (en) | A kind of denitration ammonia air mixing device | |
| CN207153466U (en) | A kind of fold-line-shaped gas-liquid part flow arrangement with collecting tank | |
| CN205182492U (en) | Novel vortex desulfurization absorption tower | |
| CN105126550B (en) | Desulfurizing absorption tower | |
| CN206198999U (en) | A kind of desulfuration absorbing tower pallet apparatus and desulfuration absorbing tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20200211 |
|
| AD01 | Patent right deemed abandoned |